AyeCode / invoicing

includes/class-wpinv-api.php

Spacing +12 added lines, -12 removed lines

@@ -7,7 +7,7 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
+if (!defined('WPINC')) {
     exit;
 }
 
@@ -19,7 +19,7 @@ 
     /**
      * @param string A prefix for our REST routes
      */
-    public $api_namespace    = '';
+    public $api_namespace = '';
 
     /**
      * @param WPInv_REST_Invoice_Controller Invoices controller
@@ -42,19 +42,19 @@ 
      * @since 1.0.13
      * Sets the API namespace and inits hooks
      */
-    public function __construct( $api_namespace = 'invoicing/v1' ) {
+    public function __construct($api_namespace = 'invoicing/v1') {
 
         // Include controllers and related files
         $this->includes();
 
         // Set up class variables
-        $this->api_namespace       = apply_filters( 'wpinv_rest_api_namespace', $api_namespace );
-        $this->invoices_controller = new WPInv_REST_Invoice_Controller( $this->api_namespace );
-        $this->items_controller    = new WPInv_REST_Items_Controller( $this->api_namespace );
-        $this->discounts_controller= new WPInv_REST_Discounts_Controller( $this->api_namespace );
+        $this->api_namespace       = apply_filters('wpinv_rest_api_namespace', $api_namespace);
+        $this->invoices_controller = new WPInv_REST_Invoice_Controller($this->api_namespace);
+        $this->items_controller    = new WPInv_REST_Items_Controller($this->api_namespace);
+        $this->discounts_controller = new WPInv_REST_Discounts_Controller($this->api_namespace);
 
         //Register REST routes
-        add_action( 'rest_api_init', array( $this, 'register_rest_routes' ) );
+        add_action('rest_api_init', array($this, 'register_rest_routes'));
     }
 
 
@@ -84,7 +84,7 @@ 
 		 * @param array           $invoice_data Invoice properties.
 		 * @param WP_REST_Request $request The request used.
 		 */
-        do_action( "wpinv_register_rest_routes", $this );
+        do_action("wpinv_register_rest_routes", $this);
         
     }
 
@@ -97,13 +97,13 @@ 
     protected function includes() {
         
         // Invoices
-        require_once( WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-invoice-controller.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-invoice-controller.php');
 
         // Items
-        require_once( WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-items-controller.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-items-controller.php');
 
         // Discounts
-        require_once( WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-discounts-controller.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/api/class-wpinv-rest-discounts-controller.php');
 
     }
     

includes/wpinv-subscription.php

Spacing +168 added lines, -168 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -38,15 +38,15 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	function __construct( $_id_or_object = 0, $_by_profile_id = false ) {
+	function __construct($_id_or_object = 0, $_by_profile_id = false) {
 
 		$this->subs_db = new WPInv_Subscriptions_DB;
 
-		if( $_by_profile_id ) {
+		if ($_by_profile_id) {
 
-			$_sub = $this->subs_db->get_by( 'profile_id', $_id_or_object );
+			$_sub = $this->subs_db->get_by('profile_id', $_id_or_object);
 
-			if( empty( $_sub ) ) {
+			if (empty($_sub)) {
 				return false;
 			}
 
@@ -54,7 +54,7 @@ 
 
 		}
 
-		return $this->setup_subscription( $_id_or_object );
+		return $this->setup_subscription($_id_or_object);
 	}
 
 	/**
@@ -63,34 +63,34 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	private function setup_subscription( $id_or_object = 0 ) {
+	private function setup_subscription($id_or_object = 0) {
 
-		if( empty( $id_or_object ) ) {
+		if (empty($id_or_object)) {
 			return false;
 		}
 
-		if( is_numeric( $id_or_object ) ) {
+		if (is_numeric($id_or_object)) {
 
-			$sub = $this->subs_db->get( $id_or_object );
+			$sub = $this->subs_db->get($id_or_object);
 
-		} elseif( is_object( $id_or_object ) ) {
+		} elseif (is_object($id_or_object)) {
 
 			$sub = $id_or_object;
 
 		}
 
-		if( empty( $sub ) ) {
+		if (empty($sub)) {
 			return false;
 		}
 
-		foreach( $sub as $key => $value ) {
+		foreach ($sub as $key => $value) {
 			$this->$key = $value;
 		}
 
-		$this->customer = get_userdata( $this->customer_id );
-		$this->gateway  = wpinv_get_payment_gateway( $this->parent_payment_id );
+		$this->customer = get_userdata($this->customer_id);
+		$this->gateway  = wpinv_get_payment_gateway($this->parent_payment_id);
 
-		do_action( 'wpinv_recurring_setup_subscription', $this );
+		do_action('wpinv_recurring_setup_subscription', $this);
 
 		return $this;
 	}
@@ -100,15 +100,15 @@ 
 	 *
 	 * @since 1.0.0
 	 */
-	public function __get( $key ) {
+	public function __get($key) {
 
-		if( method_exists( $this, 'get_' . $key ) ) {
+		if (method_exists($this, 'get_' . $key)) {
 
-			return call_user_func( array( $this, 'get_' . $key ) );
+			return call_user_func(array($this, 'get_' . $key));
 
 		} else {
 
-			return new WP_Error( 'wpinv-subscription-invalid-property', sprintf( __( 'Can\'t get property %s', 'invoicing' ), $key ) );
+			return new WP_Error('wpinv-subscription-invalid-property', sprintf(__('Can\'t get property %s', 'invoicing'), $key));
 
 		}
 
@@ -121,9 +121,9 @@ 
 	 * @param  array  $data Array of attributes for a subscription
 	 * @return mixed  false if data isn't passed and class not instantiated for creation
 	 */
-	public function create( $data = array() ) {
+	public function create($data = array()) {
 
-		if ( $this->id != 0 ) {
+		if ($this->id != 0) {
 			return false;
 		}
 
@@ -142,11 +142,11 @@ 
 			'profile_id'        => '',
 		);
 
-		$args = wp_parse_args( $data, $defaults );
+		$args = wp_parse_args($data, $defaults);
 
-		if( $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
+		if ($args['expiration'] && strtotime('NOW', current_time('timestamp')) > strtotime($args['expiration'], current_time('timestamp'))) {
 
-			if( 'active' == $args['status'] || 'trialling' == $args['status'] ) {
+			if ('active' == $args['status'] || 'trialling' == $args['status']) {
 
 				// Force an active subscription to expired if expiration date is in the past
 				$args['status'] = 'expired';
@@ -154,13 +154,13 @@ 
 			}
 		}
 
-		do_action( 'wpinv_subscription_pre_create', $args );
+		do_action('wpinv_subscription_pre_create', $args);
 
-		$id = $this->subs_db->insert( $args, 'subscription' );
+		$id = $this->subs_db->insert($args, 'subscription');
 
-		do_action( 'wpinv_subscription_post_create', $id, $args );
+		do_action('wpinv_subscription_post_create', $id, $args);
 
-		return $this->setup_subscription( $id );
+		return $this->setup_subscription($id);
 
 	}
 
@@ -171,11 +171,11 @@ 
 	 * @param  array $args Array of fields to update
 	 * @return bool
 	 */
-	public function update( $args = array() ) {
+	public function update($args = array()) {
 
-		$ret = $this->subs_db->update( $this->id, $args );
+		$ret = $this->subs_db->update($this->id, $args);
 
-		do_action( 'wpinv_recurring_update_subscription', $this->id, $args, $this );
+		do_action('wpinv_recurring_update_subscription', $this->id, $args, $this);
 
 		return $ret;
 
@@ -188,7 +188,7 @@ 
 	 * @return bool
 	 */
 	public function delete() {
-		return $this->subs_db->delete( $this->id );
+		return $this->subs_db->delete($this->id);
 	}
 
     /**
@@ -208,14 +208,14 @@ 
      * @return array
      */
     public function get_child_payments() {
-        $payments = get_posts( array(
+        $payments = get_posts(array(
             'post_parent'    => (int) $this->parent_payment_id,
             'posts_per_page' => '999',
-            'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+            'post_status'    => array('publish', 'wpi-processing', 'wpi-renewal'),
             'orderby'           => 'ID',
             'order'             => 'DESC',
             'post_type'      => 'wpi_invoice'
-        ) );
+        ));
 
         return $payments;
     }
@@ -228,9 +228,9 @@ 
      */
     public function get_total_payments() {
         $child_payments = $this->get_child_payments();
-        $total_payments = !empty( $child_payments ) ? count( $child_payments ) : 0;
+        $total_payments = !empty($child_payments) ? count($child_payments) : 0;
 
-        if ( 'pending' != $this->status ) {
+        if ('pending' != $this->status) {
                 $total_payments++;
         }
 
@@ -244,9 +244,9 @@ 
      * @return int
      */
     public function get_times_billed() {
-        $times_billed = (int)$this->get_total_payments();
+        $times_billed = (int) $this->get_total_payments();
 
-        if ( ! empty( $this->trial_period ) && $times_billed > 0 ) {
+        if (!empty($this->trial_period) && $times_billed > 0) {
             $times_billed--;
         }
 
@@ -260,51 +260,51 @@ 
      * @param  array $args Array of values for the payment, including amount and transaction ID
      * @return bool
      */
-    public function add_payment( $args = array() ) {
-        if ( ! $this->parent_payment_id ) {
+    public function add_payment($args = array()) {
+        if (!$this->parent_payment_id) {
             return false;
         }
 
-        $args = wp_parse_args( $args, array(
+        $args = wp_parse_args($args, array(
             'amount'         => '',
             'transaction_id' => '',
             'gateway'        => ''
-        ) );
+        ));
         
-        if ( empty( $args['transaction_id'] ) || $this->payment_exists( $args['transaction_id'] ) ) {
+        if (empty($args['transaction_id']) || $this->payment_exists($args['transaction_id'])) {
             return false;
         }
         
-        $parent_invoice = wpinv_get_invoice( $this->parent_payment_id );
-        if ( empty( $parent_invoice->ID ) ) {
+        $parent_invoice = wpinv_get_invoice($this->parent_payment_id);
+        if (empty($parent_invoice->ID)) {
             return false;
         }
 
         $invoice = new WPInv_Invoice();
-        $invoice->set( 'post_type', 'wpi_invoice' );
-        $invoice->set( 'parent_invoice', $this->parent_payment_id );
-        $invoice->set( 'currency', $parent_invoice->get_currency() );
-        $invoice->set( 'transaction_id', $args['transaction_id'] );
-        $invoice->set( 'key', $parent_invoice->generate_key() );
-        $invoice->set( 'ip', $parent_invoice->ip );
-        $invoice->set( 'user_id', $parent_invoice->get_user_id() );
-        $invoice->set( 'first_name', $parent_invoice->get_first_name() );
-        $invoice->set( 'last_name', $parent_invoice->get_last_name() );
-        $invoice->set( 'phone', $parent_invoice->phone );
-        $invoice->set( 'address', $parent_invoice->address );
-        $invoice->set( 'city', $parent_invoice->city );
-        $invoice->set( 'country', $parent_invoice->country );
-        $invoice->set( 'state', $parent_invoice->state );
-        $invoice->set( 'zip', $parent_invoice->zip );
-        $invoice->set( 'company', $parent_invoice->company );
-        $invoice->set( 'vat_number', $parent_invoice->vat_number );
-        $invoice->set( 'vat_rate', $parent_invoice->vat_rate );
-        $invoice->set( 'adddress_confirmed', $parent_invoice->adddress_confirmed );
-
-        if ( empty( $args['gateway'] ) ) {
-            $invoice->set( 'gateway', $parent_invoice->get_gateway() );
+        $invoice->set('post_type', 'wpi_invoice');
+        $invoice->set('parent_invoice', $this->parent_payment_id);
+        $invoice->set('currency', $parent_invoice->get_currency());
+        $invoice->set('transaction_id', $args['transaction_id']);
+        $invoice->set('key', $parent_invoice->generate_key());
+        $invoice->set('ip', $parent_invoice->ip);
+        $invoice->set('user_id', $parent_invoice->get_user_id());
+        $invoice->set('first_name', $parent_invoice->get_first_name());
+        $invoice->set('last_name', $parent_invoice->get_last_name());
+        $invoice->set('phone', $parent_invoice->phone);
+        $invoice->set('address', $parent_invoice->address);
+        $invoice->set('city', $parent_invoice->city);
+        $invoice->set('country', $parent_invoice->country);
+        $invoice->set('state', $parent_invoice->state);
+        $invoice->set('zip', $parent_invoice->zip);
+        $invoice->set('company', $parent_invoice->company);
+        $invoice->set('vat_number', $parent_invoice->vat_number);
+        $invoice->set('vat_rate', $parent_invoice->vat_rate);
+        $invoice->set('adddress_confirmed', $parent_invoice->adddress_confirmed);
+
+        if (empty($args['gateway'])) {
+            $invoice->set('gateway', $parent_invoice->get_gateway());
         } else {
-            $invoice->set( 'gateway', $args['gateway'] );
+            $invoice->set('gateway', $args['gateway']);
         }
         
         $recurring_details = $parent_invoice->get_recurring_details();
@@ -312,11 +312,11 @@ 
         // increase the earnings for each item in the subscription
         $items = $recurring_details['cart_details'];
         
-        if ( $items ) {        
+        if ($items) {        
             $add_items      = array();
             $cart_details   = array();
             
-            foreach ( $items as $item ) {
+            foreach ($items as $item) {
                 $add_item             = array();
                 $add_item['id']       = $item['id'];
                 $add_item['quantity'] = $item['quantity'];
@@ -326,7 +326,7 @@ 
                 break;
             }
             
-            $invoice->set( 'items', $add_items );
+            $invoice->set('items', $add_items);
             $invoice->cart_details = $cart_details;
         }
         
@@ -336,32 +336,32 @@ 
         $tax                = $recurring_details['tax'];
         $discount           = $recurring_details['discount'];
         
-        if ( $discount > 0 ) {
-            $invoice->set( 'discount_code', $parent_invoice->discount_code );
+        if ($discount > 0) {
+            $invoice->set('discount_code', $parent_invoice->discount_code);
         }
         
-        $invoice->subtotal = wpinv_round_amount( $subtotal );
-        $invoice->tax      = wpinv_round_amount( $tax );
-        $invoice->discount = wpinv_round_amount( $discount );
-        $invoice->total    = wpinv_round_amount( $total );
+        $invoice->subtotal = wpinv_round_amount($subtotal);
+        $invoice->tax      = wpinv_round_amount($tax);
+        $invoice->discount = wpinv_round_amount($discount);
+        $invoice->total    = wpinv_round_amount($total);
 
-        $invoice  = apply_filters( 'wpinv_subscription_add_payment_save', $invoice, $this, $args );
+        $invoice = apply_filters('wpinv_subscription_add_payment_save', $invoice, $this, $args);
 
         $invoice->save();
-        $invoice->update_meta( '_wpinv_subscription_id', $this->id );
+        $invoice->update_meta('_wpinv_subscription_id', $this->id);
         
-        if ( !empty( $invoice->ID ) ) {
-            wpinv_update_payment_status( $invoice->ID, 'publish' );
+        if (!empty($invoice->ID)) {
+            wpinv_update_payment_status($invoice->ID, 'publish');
             sleep(1);
-            wpinv_update_payment_status( $invoice->ID, 'wpi-renewal' );
+            wpinv_update_payment_status($invoice->ID, 'wpi-renewal');
             
-            $invoice = wpinv_get_invoice( $invoice->ID );
+            $invoice = wpinv_get_invoice($invoice->ID);
 
 			// Send email notifications.
-			wpinv_completed_invoice_notification( $invoice->ID );
+			wpinv_completed_invoice_notification($invoice->ID);
 
-            do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $this );
-            do_action( 'wpinv_recurring_record_payment', $invoice->ID, $this->parent_payment_id, $args['amount'], $args['transaction_id'] );
+            do_action('wpinv_recurring_add_subscription_payment', $invoice, $this);
+            do_action('wpinv_recurring_record_payment', $invoice->ID, $this->parent_payment_id, $args['amount'], $args['transaction_id']);
             
             return $invoice->ID;
         }
@@ -377,12 +377,12 @@ 
 	 */
 	public function get_transaction_id() {
 
-		if( empty( $this->transaction_id ) ) {
+		if (empty($this->transaction_id)) {
 
-			$txn_id = wpinv_get_payment_transaction_id( $this->parent_payment_id );
+			$txn_id = wpinv_get_payment_transaction_id($this->parent_payment_id);
 
-			if( ! empty( $txn_id ) && (int) $this->parent_payment_id !== (int) $txn_id ) {
-				$this->set_transaction_id( $txn_id );
+			if (!empty($txn_id) && (int) $this->parent_payment_id !== (int) $txn_id) {
+				$this->set_transaction_id($txn_id);
 			}
 
 		}
@@ -397,8 +397,8 @@ 
 	 * @since  1.0.0.4
 	 * @return bool
 	 */
-	public function set_transaction_id( $txn_id = '' ) {
-		$this->update( array( 'transaction_id' => $txn_id ) );
+	public function set_transaction_id($txn_id = '') {
+		$this->update(array('transaction_id' => $txn_id));
 		$this->transaction_id = $txn_id;
 	}
 
@@ -414,35 +414,35 @@ 
 
 
 		// Determine what date to use as the start for the new expiration calculation
-		if( $expires > current_time( 'timestamp' ) && $this->is_active() ) {
+		if ($expires > current_time('timestamp') && $this->is_active()) {
 
-			$base_date  = $expires;
+			$base_date = $expires;
 
 		} else {
 
-			$base_date  = current_time( 'timestamp' );
+			$base_date = current_time('timestamp');
 
 		}
 
-		$last_day = wpinv_cal_days_in_month( CAL_GREGORIAN, date( 'n', $base_date ), date( 'Y', $base_date ) );
+		$last_day = wpinv_cal_days_in_month(CAL_GREGORIAN, date('n', $base_date), date('Y', $base_date));
 
 
 		$frequency = isset($this->frequency) ? $this->frequency : 1;
-		$expiration = date( 'Y-m-d H:i:s', strtotime( '+' . $frequency . ' ' . $this->period  . ' 23:59:59', $base_date ) );
+		$expiration = date('Y-m-d H:i:s', strtotime('+' . $frequency . ' ' . $this->period . ' 23:59:59', $base_date));
 
-		if( date( 'j', $base_date ) == $last_day && 'day' != $this->period ) {
-			$expiration = date( 'Y-m-d H:i:s', strtotime( $expiration . ' +2 days' ) );
+		if (date('j', $base_date) == $last_day && 'day' != $this->period) {
+			$expiration = date('Y-m-d H:i:s', strtotime($expiration . ' +2 days'));
 		}
 
-		$expiration  = apply_filters( 'wpinv_subscription_renewal_expiration', $expiration, $this->id, $this );
+		$expiration  = apply_filters('wpinv_subscription_renewal_expiration', $expiration, $this->id, $this);
 
-		do_action( 'wpinv_subscription_pre_renew', $this->id, $expiration, $this );
+		do_action('wpinv_subscription_pre_renew', $this->id, $expiration, $this);
 
 		$this->status = 'active';
 		$times_billed = $this->get_times_billed();
 
 		// Complete subscription if applicable
-		if ( $this->bill_times > 0 && $times_billed >= $this->bill_times ) {
+		if ($this->bill_times > 0 && $times_billed >= $this->bill_times) {
 			$this->complete();
 			$this->status = 'completed';
 		}
@@ -452,10 +452,10 @@ 
 			'status'     => $this->status,
 		);
 
-        $this->subs_db->update( $this->id, $args );
+        $this->subs_db->update($this->id, $args);
 
-		do_action( 'wpinv_subscription_post_renew', $this->id, $expiration, $this );
-		do_action( 'wpinv_recurring_set_subscription_status', $this->id, $this->status, $this );
+		do_action('wpinv_subscription_post_renew', $this->id, $expiration, $this);
+		do_action('wpinv_recurring_set_subscription_status', $this->id, $this->status, $this);
 
 	}
 
@@ -470,7 +470,7 @@ 
 	public function complete() {
 
 		// Only mark a subscription as complete if it's not already cancelled.
-		if ( 'cancelled' === $this->status ) {
+		if ('cancelled' === $this->status) {
 			return;
 		}
 
@@ -478,11 +478,11 @@ 
 			'status' => 'completed'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'completed';
 
-			do_action( 'wpinv_subscription_completed', $this->id, $this );
+			do_action('wpinv_subscription_completed', $this->id, $this);
 
 		}
 
@@ -497,15 +497,15 @@ 
 	 * @param  $check_expiration bool True if expiration date should be checked with merchant processor before expiring
 	 * @return void
 	 */
-	public function expire( $check_expiration = false ) {
+	public function expire($check_expiration = false) {
 
 		$expiration = $this->expiration;
 
-		if( $check_expiration ) {
+		if ($check_expiration) {
 
 			// check_expiration() updates $this->expiration so compare to $expiration above
 
-			if( $expiration < $this->get_expiration() && current_time( 'timestamp' ) < $this->get_expiration_time() ) {
+			if ($expiration < $this->get_expiration() && current_time('timestamp') < $this->get_expiration_time()) {
 
 				return false; // Do not mark as expired since real expiration date is in the future
 			}
@@ -516,11 +516,11 @@ 
 			'status' => 'expired'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'expired';
 
-			do_action( 'wpinv_subscription_expired', $this->id, $this );
+			do_action('wpinv_subscription_expired', $this->id, $this);
 
 		}
 
@@ -538,11 +538,11 @@ 
 			'status' => 'failing'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'failing';
 
-			do_action( 'wpinv_subscription_failing', $this->id, $this );
+			do_action('wpinv_subscription_failing', $this->id, $this);
 
 
 		}
@@ -556,7 +556,7 @@ 
      * @return void
      */
     public function cancel() {
-        if ( 'cancelled' === $this->status ) {
+        if ('cancelled' === $this->status) {
             return; // Already cancelled
         }
 
@@ -564,20 +564,20 @@ 
             'status' => 'cancelled'
         );
 
-        if ( $this->subs_db->update( $this->id, $args ) ) {
-            if ( is_user_logged_in() ) {
-                $userdata = get_userdata( get_current_user_id() );
+        if ($this->subs_db->update($this->id, $args)) {
+            if (is_user_logged_in()) {
+                $userdata = get_userdata(get_current_user_id());
                 $user     = $userdata->display_name;
             } else {
-                $user = __( 'gateway', 'invoicing' );
+                $user = __('gateway', 'invoicing');
             }
 
-            $note = sprintf( __( 'Subscription has been cancelled by %s', 'invoicing' ), $user );
-            wpinv_insert_payment_note( $this->parent_payment_id, $note, '', '', true );
+            $note = sprintf(__('Subscription has been cancelled by %s', 'invoicing'), $user);
+            wpinv_insert_payment_note($this->parent_payment_id, $note, '', '', true);
 
             $this->status = 'cancelled';
 
-            do_action( 'wpinv_subscription_cancelled', $this->id, $this );
+            do_action('wpinv_subscription_cancelled', $this->id, $this);
         }
     }
 
@@ -592,10 +592,10 @@ 
 	 */
 	public function can_cancel() {
         $ret = false;
-	    if( $this->gateway === 'manual' || in_array( $this->status, $this->get_cancellable_statuses() ) ) {
+	    if ($this->gateway === 'manual' || in_array($this->status, $this->get_cancellable_statuses())) {
             $ret = true;
         }
-		return apply_filters( 'wpinv_subscription_can_cancel', $ret, $this );
+		return apply_filters('wpinv_subscription_can_cancel', $ret, $this);
 	}
 
     /**
@@ -606,7 +606,7 @@ 
      * @return      array
      */
     public function get_cancellable_statuses() {
-        return apply_filters( 'wpinv_recurring_cancellable_statuses', array( 'active', 'trialling', 'failing' ) );
+        return apply_filters('wpinv_recurring_cancellable_statuses', array('active', 'trialling', 'failing'));
     }
 
 	/**
@@ -617,9 +617,9 @@ 
 	 */
 	public function get_cancel_url() {
 
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-cancel' );
+		$url = wp_nonce_url(add_query_arg(array('wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id)), 'wpinv-recurring-cancel');
 
-		return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+		return apply_filters('wpinv_subscription_cancel_url', $url, $this);
 	}
 
 	/**
@@ -633,7 +633,7 @@ 
 	 */
 	public function can_renew() {
 
-		return apply_filters( 'wpinv_subscription_can_renew', true, $this );
+		return apply_filters('wpinv_subscription_can_renew', true, $this);
 	}
 
 	/**
@@ -644,9 +644,9 @@ 
 	 */
 	public function get_renew_url() {
 
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'renew_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-renew' );
+		$url = wp_nonce_url(add_query_arg(array('wpinv_action' => 'renew_subscription', 'sub_id' => $this->id)), 'wpinv-recurring-renew');
 
-		return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
+		return apply_filters('wpinv_subscription_renew_url', $url, $this);
 	}
 
 	/**
@@ -656,7 +656,7 @@ 
 	 * @return bool
 	 */
 	public function can_update() {
-		return apply_filters( 'wpinv_subscription_can_update', false, $this );
+		return apply_filters('wpinv_subscription_can_update', false, $this);
 	}
 
 	/**
@@ -667,9 +667,9 @@ 
 	 */
 	public function get_update_url() {
 
-		$url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->id ) );
+		$url = add_query_arg(array('action' => 'update', 'subscription_id' => $this->id));
 
-		return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+		return apply_filters('wpinv_subscription_update_url', $url, $this);
 	}
 
 	/**
@@ -682,11 +682,11 @@ 
 
 		$ret = false;
 
-		if( ! $this->is_expired() && ( $this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling' ) ) {
+		if (!$this->is_expired() && ($this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling')) {
 			$ret = true;
 		}
 
-		return apply_filters( 'wpinv_subscription_is_active', $ret, $this->id, $this );
+		return apply_filters('wpinv_subscription_is_active', $ret, $this->id, $this);
 
 	}
 
@@ -700,26 +700,26 @@ 
 
 		$ret = false;
 
-		if ( $this->status == 'expired' ) {
+		if ($this->status == 'expired') {
 
 			$ret = true;
 
-		} elseif( 'active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling'  ) {
+		} elseif ('active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling') {
 
 			$ret        = false;
 			$expiration = $this->get_expiration_time();
 
-			if( $expiration && strtotime( 'NOW', current_time( 'timestamp' ) ) > $expiration ) {
+			if ($expiration && strtotime('NOW', current_time('timestamp')) > $expiration) {
 				$ret = true;
 
-				if ( 'active' === $this->status || $this->status == 'trialling'  ) {
+				if ('active' === $this->status || $this->status == 'trialling') {
 					$this->expire();
 				}
 			}
 
 		}
 
-		return apply_filters( 'wpinv_subscription_is_expired', $ret, $this->id, $this );
+		return apply_filters('wpinv_subscription_is_expired', $ret, $this->id, $this);
 
 	}
 
@@ -740,7 +740,7 @@ 
 	 * @return int
 	 */
 	public function get_expiration_time() {
-		return strtotime( $this->expiration, current_time( 'timestamp' ) );
+		return strtotime($this->expiration, current_time('timestamp'));
 	}
 
 	/**
@@ -764,37 +764,37 @@ 
 	 */
 	public function get_status_label() {
 
-		switch( $this->get_status() ) {
+		switch ($this->get_status()) {
 			case 'active' :
-				$status = __( 'Active', 'invoicing' );
+				$status = __('Active', 'invoicing');
 				break;
 
 			case 'cancelled' :
-				$status = __( 'Cancelled', 'invoicing' );
+				$status = __('Cancelled', 'invoicing');
 				break;
 
 			case 'expired' :
-				$status = __( 'Expired', 'invoicing' );
+				$status = __('Expired', 'invoicing');
 				break;
 
 			case 'pending' :
-				$status = __( 'Pending', 'invoicing' );
+				$status = __('Pending', 'invoicing');
 				break;
 
 			case 'failing' :
-				$status = __( 'Failing', 'invoicing' );
+				$status = __('Failing', 'invoicing');
 				break;
 
 			case 'trialling' :
-				$status = __( 'Trialling', 'invoicing' );
+				$status = __('Trialling', 'invoicing');
 				break;
 
 			case 'completed' :
-				$status = __( 'Completed', 'invoicing' );
+				$status = __('Completed', 'invoicing');
 				break;
 
 			default:
-				$status = ucfirst( $this->get_status() );
+				$status = ucfirst($this->get_status());
 				break;
 		}
 
@@ -809,51 +809,51 @@ 
      */
     public function get_status_label_html() {
 
-        switch( $get_status = $this->get_status() ) {
+        switch ($get_status = $this->get_status()) {
             case 'active' :
-                $status = __( 'Active', 'invoicing' );
+                $status = __('Active', 'invoicing');
                 $class = 'label-info';
                 break;
 
             case 'cancelled' :
-                $status = __( 'Cancelled', 'invoicing' );
+                $status = __('Cancelled', 'invoicing');
                 $class = 'label-danger';
                 break;
 
             case 'expired' :
-                $status = __( 'Expired', 'invoicing' );
+                $status = __('Expired', 'invoicing');
                 $class = 'label-default';
                 break;
 
             case 'pending' :
-                $status = __( 'Pending', 'invoicing' );
+                $status = __('Pending', 'invoicing');
                 $class = 'label-primary';
                 break;
 
             case 'failing' :
-                $status = __( 'Failing', 'invoicing' );
+                $status = __('Failing', 'invoicing');
                 $class = 'label-danger';
                 break;
 
             case 'trialling' :
-                $status = __( 'Trialling', 'invoicing' );
+                $status = __('Trialling', 'invoicing');
                 $class = 'label-info';
                 break;
 
             case 'completed' :
-                $status = __( 'Completed', 'invoicing' );
+                $status = __('Completed', 'invoicing');
                 $class = 'label-success';
                 break;
 
             default:
-                $status = ucfirst( $this->get_status() );
+                $status = ucfirst($this->get_status());
                 $class = 'label-default';
                 break;
         }
 
         $label = '<span class="sub-status label label-sub-' . $get_status . ' ' . $class . '">' . $status . '</span>';
 
-        return apply_filters( 'wpinv_subscription_status_label_html', $label, $get_status, $status );
+        return apply_filters('wpinv_subscription_status_label_html', $label, $get_status, $status);
     }
 
     /**
@@ -863,18 +863,18 @@ 
      * @param  string $txn_id The transaction ID from the merchant processor
      * @return bool
      */
-    public function payment_exists( $txn_id = '' ) {
+    public function payment_exists($txn_id = '') {
         global $wpdb;
 
-        if ( empty( $txn_id ) ) {
+        if (empty($txn_id)) {
             return false;
         }
 
-        $txn_id = esc_sql( $txn_id );
+        $txn_id = esc_sql($txn_id);
 
-        $purchase = $wpdb->get_var( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1" );
+        $purchase = $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1");
 
-        if ( $purchase != null ) {
+        if ($purchase != null) {
             return true;
         }
 

includes/class-wpinv-invoice.php

Spacing +619 added lines, -619 removed lines

@@ -7,12 +7,12 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 final class WPInv_Invoice {
-    public $ID  = 0;
+    public $ID = 0;
     public $title;
     public $post_type;
     
@@ -65,17 +65,17 @@ 
     public $full_name = '';
     public $parent_invoice = 0;
     
-    public function __construct( $invoice_id = false ) {
-        if( empty( $invoice_id ) ) {
+    public function __construct($invoice_id = false) {
+        if (empty($invoice_id)) {
             return false;
         }
 
-        $this->setup_invoice( $invoice_id );
+        $this->setup_invoice($invoice_id);
     }
 
-    public function get( $key ) {
-        if ( method_exists( $this, 'get_' . $key ) ) {
-            $value = call_user_func( array( $this, 'get_' . $key ) );
+    public function get($key) {
+        if (method_exists($this, 'get_' . $key)) {
+            $value = call_user_func(array($this, 'get_' . $key));
         } else {
             $value = $this->$key;
         }
@@ -83,51 +83,51 @@ 
         return $value;
     }
 
-    public function set( $key, $value ) {
-        $ignore = array( 'items', 'cart_details', 'fees', '_ID' );
+    public function set($key, $value) {
+        $ignore = array('items', 'cart_details', 'fees', '_ID');
 
-        if ( $key === 'status' ) {
+        if ($key === 'status') {
             $this->old_status = $this->status;
         }
 
-        if ( ! in_array( $key, $ignore ) ) {
-            $this->pending[ $key ] = $value;
+        if (!in_array($key, $ignore)) {
+            $this->pending[$key] = $value;
         }
 
-        if( '_ID' !== $key ) {
+        if ('_ID' !== $key) {
             $this->$key = $value;
         }
     }
 
-    public function _isset( $name ) {
-        if ( property_exists( $this, $name) ) {
-            return false === empty( $this->$name );
+    public function _isset($name) {
+        if (property_exists($this, $name)) {
+            return false === empty($this->$name);
         } else {
             return null;
         }
     }
 
-    private function setup_invoice( $invoice_id ) {
+    private function setup_invoice($invoice_id) {
         $this->pending = array();
 
-        if ( empty( $invoice_id ) ) {
+        if (empty($invoice_id)) {
             return false;
         }
 
-        $invoice = get_post( $invoice_id );
+        $invoice = get_post($invoice_id);
 
-        if( !$invoice || is_wp_error( $invoice ) ) {
+        if (!$invoice || is_wp_error($invoice)) {
             return false;
         }
 
-        if( !('wpi_invoice' == $invoice->post_type OR 'wpi_quote' == $invoice->post_type) ) {
+        if (!('wpi_invoice' == $invoice->post_type OR 'wpi_quote' == $invoice->post_type)) {
             return false;
         }
 
-        do_action( 'wpinv_pre_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_pre_setup_invoice', $this, $invoice_id);
         
         // Primary Identifier
-        $this->ID              = absint( $invoice_id );
+        $this->ID              = absint($invoice_id);
         $this->post_type       = $invoice->post_type;
         
         // We have a payment, get the generic payment_meta item to reduce calls to it
@@ -139,7 +139,7 @@ 
         $this->post_status     = $this->status;
         $this->mode            = $this->setup_mode();
         $this->parent_invoice  = $invoice->post_parent;
-        $this->post_name       = $this->setup_post_name( $invoice );
+        $this->post_name       = $this->setup_post_name($invoice);
         $this->status_nicename = $this->setup_status_nicename($invoice->post_status);
 
         // Items
@@ -161,8 +161,8 @@ 
         
         // User based
         $this->ip              = $this->setup_ip();
-        $this->user_id         = !empty( $invoice->post_author ) ? $invoice->post_author : get_current_user_id();///$this->setup_user_id();
-        $this->email           = get_the_author_meta( 'email', $this->user_id );
+        $this->user_id         = !empty($invoice->post_author) ? $invoice->post_author : get_current_user_id(); ///$this->setup_user_id();
+        $this->email           = get_the_author_meta('email', $this->user_id);
         
         $this->user_info       = $this->setup_user_info();
                 
@@ -171,7 +171,7 @@ 
         $this->company         = $this->user_info['company'];
         $this->vat_number      = $this->user_info['vat_number'];
         $this->vat_rate        = $this->user_info['vat_rate'];
-        $this->adddress_confirmed  = $this->user_info['adddress_confirmed'];
+        $this->adddress_confirmed = $this->user_info['adddress_confirmed'];
         $this->address         = $this->user_info['address'];
         $this->city            = $this->user_info['city'];
         $this->country         = $this->user_info['country'];
@@ -186,39 +186,39 @@ 
         // Other Identifiers
         $this->key             = $this->setup_invoice_key();
         $this->number          = $this->setup_invoice_number();
-        $this->title           = !empty( $invoice->post_title ) ? $invoice->post_title : $this->number;
+        $this->title           = !empty($invoice->post_title) ? $invoice->post_title : $this->number;
         
-        $this->full_name       = trim( $this->first_name . ' '. $this->last_name );
+        $this->full_name       = trim($this->first_name . ' ' . $this->last_name);
         
         // Allow extensions to add items to this object via hook
-        do_action( 'wpinv_setup_invoice', $this, $invoice_id );
+        do_action('wpinv_setup_invoice', $this, $invoice_id);
 
         return true;
     }
     
-    private function setup_status_nicename( $status ) {
-        $all_invoice_statuses  = wpinv_get_invoice_statuses( true, true, $this );
+    private function setup_status_nicename($status) {
+        $all_invoice_statuses = wpinv_get_invoice_statuses(true, true, $this);
 
-        if ( $this->is_quote() && class_exists( 'Wpinv_Quotes_Shared' ) ) {
-            $all_invoice_statuses  = Wpinv_Quotes_Shared::wpinv_get_quote_statuses();
+        if ($this->is_quote() && class_exists('Wpinv_Quotes_Shared')) {
+            $all_invoice_statuses = Wpinv_Quotes_Shared::wpinv_get_quote_statuses();
         }
-        $status   = isset( $all_invoice_statuses[$status] ) ? $all_invoice_statuses[$status] : __( $status, 'invoicing' );
+        $status = isset($all_invoice_statuses[$status]) ? $all_invoice_statuses[$status] : __($status, 'invoicing');
 
-        return apply_filters( 'setup_status_nicename', $status );
+        return apply_filters('setup_status_nicename', $status);
     }
     
-    private function setup_post_name( $post = NULL ) {
+    private function setup_post_name($post = NULL) {
         global $wpdb;
         
         $post_name = '';
         
-        if ( !empty( $post ) ) {
-            if( !empty( $post->post_name ) ) {
+        if (!empty($post)) {
+            if (!empty($post->post_name)) {
                 $post_name = $post->post_name;
-            } else if ( !empty( $post->ID ) ) {
-                $post_name = wpinv_generate_post_name( $post->ID );
+            } else if (!empty($post->ID)) {
+                $post_name = wpinv_generate_post_name($post->ID);
 
-                $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) );
+                $wpdb->update($wpdb->posts, array('post_name' => $post_name), array('ID' => $post->ID));
             }
         }
 
@@ -226,12 +226,12 @@ 
     }
     
     private function setup_due_date() {
-        $due_date = $this->get_meta( '_wpinv_due_date' );
+        $due_date = $this->get_meta('_wpinv_due_date');
         
-        if ( empty( $due_date ) ) {
-            $overdue_time = strtotime( $this->date ) + ( DAY_IN_SECONDS * absint( wpinv_get_option( 'overdue_days' ) ) );
-            $due_date = date_i18n( 'Y-m-d', $overdue_time );
-        } else if ( $due_date == 'none' ) {
+        if (empty($due_date)) {
+            $overdue_time = strtotime($this->date) + (DAY_IN_SECONDS * absint(wpinv_get_option('overdue_days')));
+            $due_date = date_i18n('Y-m-d', $overdue_time);
+        } else if ($due_date == 'none') {
             $due_date = '';
         }
         
@@ -239,66 +239,66 @@ 
     }
     
     private function setup_completed_date() {
-        $invoice = get_post( $this->ID );
+        $invoice = get_post($this->ID);
 
-        if ( 'wpi-pending' == $invoice->post_status || 'preapproved' == $invoice->post_status ) {
+        if ('wpi-pending' == $invoice->post_status || 'preapproved' == $invoice->post_status) {
             return false; // This invoice was never paid
         }
 
-        $date = ( $date = $this->get_meta( '_wpinv_completed_date', true ) ) ? $date : $invoice->modified_date;
+        $date = ($date = $this->get_meta('_wpinv_completed_date', true)) ? $date : $invoice->modified_date;
 
         return $date;
     }
     
     private function setup_cart_details() {
-        $cart_details = isset( $this->payment_meta['cart_details'] ) ? maybe_unserialize( $this->payment_meta['cart_details'] ) : array();
+        $cart_details = isset($this->payment_meta['cart_details']) ? maybe_unserialize($this->payment_meta['cart_details']) : array();
         return $cart_details;
     }
     
     public function array_convert() {
-        return get_object_vars( $this );
+        return get_object_vars($this);
     }
     
     private function setup_items() {
-        $items = isset( $this->payment_meta['items'] ) ? maybe_unserialize( $this->payment_meta['items'] ) : array();
+        $items = isset($this->payment_meta['items']) ? maybe_unserialize($this->payment_meta['items']) : array();
         return $items;
     }
     
     private function setup_fees() {
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
         return $payment_fees;
     }
         
     private function setup_currency() {
-        $currency = isset( $this->payment_meta['currency'] ) ? $this->payment_meta['currency'] : apply_filters( 'wpinv_currency_default', wpinv_get_currency(), $this );
+        $currency = isset($this->payment_meta['currency']) ? $this->payment_meta['currency'] : apply_filters('wpinv_currency_default', wpinv_get_currency(), $this);
         return $currency;
     }
     
     private function setup_discount() {
         //$discount = $this->get_meta( '_wpinv_discount', true );
-        $discount = (float)$this->subtotal - ( (float)$this->total - (float)$this->tax - (float)$this->fees_total );
-        if ( $discount < 0 ) {
+        $discount = (float) $this->subtotal - ((float) $this->total - (float) $this->tax - (float) $this->fees_total);
+        if ($discount < 0) {
             $discount = 0;
         }
-        $discount = wpinv_round_amount( $discount );
+        $discount = wpinv_round_amount($discount);
         
         return $discount;
     }
     
     private function setup_discount_code() {
-        $discount_code = !empty( $this->discounts ) ? $this->discounts : $this->get_meta( '_wpinv_discount_code', true );
+        $discount_code = !empty($this->discounts) ? $this->discounts : $this->get_meta('_wpinv_discount_code', true);
         return $discount_code;
     }
     
     private function setup_tax() {
-        $tax = $this->get_meta( '_wpinv_tax', true );
+        $tax = $this->get_meta('_wpinv_tax', true);
 
         // We don't have tax as it's own meta and no meta was passed
-        if ( '' === $tax ) {            
-            $tax = isset( $this->payment_meta['tax'] ) ? $this->payment_meta['tax'] : 0;
+        if ('' === $tax) {            
+            $tax = isset($this->payment_meta['tax']) ? $this->payment_meta['tax'] : 0;
         }
         
-        if ( $tax < 0 ) {
+        if ($tax < 0) {
             $tax = 0;
         }
 
@@ -309,9 +309,9 @@ 
         $subtotal     = 0;
         $cart_details = $this->cart_details;
 
-        if ( is_array( $cart_details ) ) {
-            foreach ( $cart_details as $item ) {
-                if ( isset( $item['subtotal'] ) ) {
+        if (is_array($cart_details)) {
+            foreach ($cart_details as $item) {
+                if (isset($item['subtotal'])) {
                     $subtotal += $item['subtotal'];
                 }
             }
@@ -325,23 +325,23 @@ 
     }
     
     private function setup_discounts() {
-        $discounts = ! empty( $this->payment_meta['user_info']['discount'] ) ? $this->payment_meta['user_info']['discount'] : array();
+        $discounts = !empty($this->payment_meta['user_info']['discount']) ? $this->payment_meta['user_info']['discount'] : array();
         return $discounts;
     }
     
     private function setup_total() {
-        $amount = $this->get_meta( '_wpinv_total', true );
+        $amount = $this->get_meta('_wpinv_total', true);
 
-        if ( empty( $amount ) && '0.00' != $amount ) {
-            $meta   = $this->get_meta( '_wpinv_payment_meta', true );
-            $meta   = maybe_unserialize( $meta );
+        if (empty($amount) && '0.00' != $amount) {
+            $meta   = $this->get_meta('_wpinv_payment_meta', true);
+            $meta   = maybe_unserialize($meta);
 
-            if ( isset( $meta['amount'] ) ) {
+            if (isset($meta['amount'])) {
                 $amount = $meta['amount'];
             }
         }
 
-        if($amount < 0){
+        if ($amount < 0) {
             $amount = 0;
         }
 
@@ -349,13 +349,13 @@ 
     }
     
     private function setup_mode() {
-        return $this->get_meta( '_wpinv_mode' );
+        return $this->get_meta('_wpinv_mode');
     }
 
     private function setup_gateway() {
-        $gateway = $this->get_meta( '_wpinv_gateway' );
+        $gateway = $this->get_meta('_wpinv_gateway');
         
-        if ( empty( $gateway ) && 'publish' === $this->status ) {
+        if (empty($gateway) && 'publish' === $this->status) {
             $gateway = 'manual';
         }
         
@@ -363,23 +363,23 @@ 
     }
     
     private function setup_gateway_title() {
-        $gateway_title = wpinv_get_gateway_checkout_label( $this->gateway );
+        $gateway_title = wpinv_get_gateway_checkout_label($this->gateway);
         return $gateway_title;
     }
 
     private function setup_transaction_id() {
-        $transaction_id = $this->get_meta( '_wpinv_transaction_id' );
+        $transaction_id = $this->get_meta('_wpinv_transaction_id');
 
-        if ( empty( $transaction_id ) || (int) $transaction_id === (int) $this->ID ) {
+        if (empty($transaction_id) || (int) $transaction_id === (int) $this->ID) {
             $gateway        = $this->gateway;
-            $transaction_id = apply_filters( 'wpinv_get_invoice_transaction_id-' . $gateway, $this->ID );
+            $transaction_id = apply_filters('wpinv_get_invoice_transaction_id-' . $gateway, $this->ID);
         }
 
         return $transaction_id;
     }
 
     private function setup_ip() {
-        $ip = $this->get_meta( '_wpinv_user_ip' );
+        $ip = $this->get_meta('_wpinv_user_ip');
         return $ip;
     }
 
@@ -389,62 +389,62 @@ 
     ///}
         
     private function setup_first_name() {
-        $first_name = $this->get_meta( '_wpinv_first_name' );
+        $first_name = $this->get_meta('_wpinv_first_name');
         return $first_name;
     }
     
     private function setup_last_name() {
-        $last_name = $this->get_meta( '_wpinv_last_name' );
+        $last_name = $this->get_meta('_wpinv_last_name');
         return $last_name;
     }
     
     private function setup_company() {
-        $company = $this->get_meta( '_wpinv_company' );
+        $company = $this->get_meta('_wpinv_company');
         return $company;
     }
     
     private function setup_vat_number() {
-        $vat_number = $this->get_meta( '_wpinv_vat_number' );
+        $vat_number = $this->get_meta('_wpinv_vat_number');
         return $vat_number;
     }
     
     private function setup_vat_rate() {
-        $vat_rate = $this->get_meta( '_wpinv_vat_rate' );
+        $vat_rate = $this->get_meta('_wpinv_vat_rate');
         return $vat_rate;
     }
     
     private function setup_adddress_confirmed() {
-        $adddress_confirmed = $this->get_meta( '_wpinv_adddress_confirmed' );
+        $adddress_confirmed = $this->get_meta('_wpinv_adddress_confirmed');
         return $adddress_confirmed;
     }
     
     private function setup_phone() {
-        $phone = $this->get_meta( '_wpinv_phone' );
+        $phone = $this->get_meta('_wpinv_phone');
         return $phone;
     }
     
     private function setup_address() {
-        $address = $this->get_meta( '_wpinv_address', true );
+        $address = $this->get_meta('_wpinv_address', true);
         return $address;
     }
     
     private function setup_city() {
-        $city = $this->get_meta( '_wpinv_city', true );
+        $city = $this->get_meta('_wpinv_city', true);
         return $city;
     }
     
     private function setup_country() {
-        $country = $this->get_meta( '_wpinv_country', true );
+        $country = $this->get_meta('_wpinv_country', true);
         return $country;
     }
     
     private function setup_state() {
-        $state = $this->get_meta( '_wpinv_state', true );
+        $state = $this->get_meta('_wpinv_state', true);
         return $state;
     }
     
     private function setup_zip() {
-        $zip = $this->get_meta( '_wpinv_zip', true );
+        $zip = $this->get_meta('_wpinv_zip', true);
         return $zip;
     }
 
@@ -453,7 +453,7 @@ 
             'user_id'        => $this->user_id,
             'first_name'     => $this->first_name,
             'last_name'      => $this->last_name,
-            'email'          => get_the_author_meta( 'email', $this->user_id ),
+            'email'          => get_the_author_meta('email', $this->user_id),
             'phone'          => $this->phone,
             'address'        => $this->address,
             'city'           => $this->city,
@@ -468,12 +468,12 @@ 
         );
         
         $user_info = array();
-        if ( isset( $this->payment_meta['user_info'] ) ) {
-            $user_info = maybe_unserialize( $this->payment_meta['user_info'] );
+        if (isset($this->payment_meta['user_info'])) {
+            $user_info = maybe_unserialize($this->payment_meta['user_info']);
             
-            if ( !empty( $user_info ) && isset( $user_info['user_id'] ) && $post = get_post( $this->ID ) ) {
+            if (!empty($user_info) && isset($user_info['user_id']) && $post = get_post($this->ID)) {
                 $this->user_id = $post->post_author;
-                $this->email = get_the_author_meta( 'email', $this->user_id );
+                $this->email = get_the_author_meta('email', $this->user_id);
                 
                 $user_info['user_id'] = $this->user_id;
                 $user_info['email'] = $this->email;
@@ -482,13 +482,13 @@ 
             }
         }
         
-        $user_info    = wp_parse_args( $user_info, $defaults );
+        $user_info = wp_parse_args($user_info, $defaults);
         
         // Get the user, but only if it's been created
-        $user = get_userdata( $this->user_id );
+        $user = get_userdata($this->user_id);
         
-        if ( !empty( $user ) && $user->ID > 0 ) {
-            if ( empty( $user_info ) ) {
+        if (!empty($user) && $user->ID > 0) {
+            if (empty($user_info)) {
                 $user_info = array(
                     'user_id'    => $user->ID,
                     'first_name' => $user->first_name,
@@ -497,23 +497,23 @@ 
                     'discount'   => '',
                 );
             } else {
-                foreach ( $user_info as $key => $value ) {
-                    if ( ! empty( $value ) ) {
+                foreach ($user_info as $key => $value) {
+                    if (!empty($value)) {
                         continue;
                     }
 
-                    switch( $key ) {
+                    switch ($key) {
                         case 'user_id':
-                            $user_info[ $key ] = $user->ID;
+                            $user_info[$key] = $user->ID;
                             break;
                         case 'first_name':
-                            $user_info[ $key ] = $user->first_name;
+                            $user_info[$key] = $user->first_name;
                             break;
                         case 'last_name':
-                            $user_info[ $key ] = $user->last_name;
+                            $user_info[$key] = $user->last_name;
                             break;
                         case 'email':
-                            $user_info[ $key ] = $user->user_email;
+                            $user_info[$key] = $user->user_email;
                             break;
                     }
                 }
@@ -524,25 +524,25 @@ 
     }
 
     private function setup_invoice_key() {
-        $key = $this->get_meta( '_wpinv_key', true );
+        $key = $this->get_meta('_wpinv_key', true);
         
         return $key;
     }
 
     private function setup_invoice_number() {
-        $number = $this->get_meta( '_wpinv_number', true );
+        $number = $this->get_meta('_wpinv_number', true);
 
-        if ( !$number ) {
+        if (!$number) {
             $number = $this->ID;
 
-            if ( $this->status == 'auto-draft' ) {
-                if ( wpinv_sequential_number_active( $this->post_type ) ) {
-                    $next_number = wpinv_get_next_invoice_number( $this->post_type );
+            if ($this->status == 'auto-draft') {
+                if (wpinv_sequential_number_active($this->post_type)) {
+                    $next_number = wpinv_get_next_invoice_number($this->post_type);
                     $number      = $next_number;
                 }
             }
             
-            $number = wpinv_format_invoice_number( $number, $this->post_type );
+            $number = wpinv_format_invoice_number($number, $this->post_type);
         }
 
         return $number;
@@ -551,10 +551,10 @@ 
     private function insert_invoice() {
         global $wpdb;
 
-        if ( empty( $this->post_type ) ) {
-            if ( !empty( $this->ID ) && $post_type = get_post_type( $this->ID ) ) {
+        if (empty($this->post_type)) {
+            if (!empty($this->ID) && $post_type = get_post_type($this->ID)) {
                 $this->post_type = $post_type;
-            } else if ( !empty( $this->parent_invoice ) && $post_type = get_post_type( $this->parent_invoice ) ) {
+            } else if (!empty($this->parent_invoice) && $post_type = get_post_type($this->parent_invoice)) {
                 $this->post_type = $post_type;
             } else {
                 $this->post_type = 'wpi_invoice';
@@ -562,16 +562,16 @@ 
         }
 
         $invoice_number = $this->ID;
-        if ( $number = $this->get_meta( '_wpinv_number', true ) ) {
+        if ($number = $this->get_meta('_wpinv_number', true)) {
             $invoice_number = $number;
         }
 
-        if ( empty( $this->key ) ) {
+        if (empty($this->key)) {
             $this->key = self::generate_key();
             $this->pending['key'] = $this->key;
         }
 
-        if ( empty( $this->ip ) ) {
+        if (empty($this->ip)) {
             $this->ip = wpinv_get_ip();
             $this->pending['ip'] = $this->ip;
         }
@@ -608,61 +608,61 @@ 
                         'post_status'   => $this->status,
                         'post_author'   => $this->user_id,
                         'post_type'     => $this->post_type,
-                        'post_date'     => ! empty( $this->date ) && $this->date != '0000-00-00 00:00:00' ? $this->date : current_time( 'mysql' ),
-                        'post_date_gmt' => ! empty( $this->date ) && $this->date != '0000-00-00 00:00:00' ? get_gmt_from_date( $this->date ) : current_time( 'mysql', 1 ),
+                        'post_date'     => !empty($this->date) && $this->date != '0000-00-00 00:00:00' ? $this->date : current_time('mysql'),
+                        'post_date_gmt' => !empty($this->date) && $this->date != '0000-00-00 00:00:00' ? get_gmt_from_date($this->date) : current_time('mysql', 1),
                         'post_parent'   => $this->parent_invoice,
                     );
-        $args = apply_filters( 'wpinv_insert_invoice_args', $post_data, $this );
+        $args = apply_filters('wpinv_insert_invoice_args', $post_data, $this);
 
         // Create a blank invoice
-        if ( !empty( $this->ID ) ) {
-            $args['ID']         = $this->ID;
+        if (!empty($this->ID)) {
+            $args['ID'] = $this->ID;
 
-            $invoice_id = wp_update_post( $args, true );
+            $invoice_id = wp_update_post($args, true);
         } else {
-            $invoice_id = wp_insert_post( $args, true );
+            $invoice_id = wp_insert_post($args, true);
         }
 
-        if ( is_wp_error( $invoice_id ) ) {
+        if (is_wp_error($invoice_id)) {
             return false;
         }
 
-        if ( !empty( $invoice_id ) ) {
+        if (!empty($invoice_id)) {
             $this->ID  = $invoice_id;
             $this->_ID = $invoice_id;
 
-            $this->payment_meta = apply_filters( 'wpinv_payment_meta', $this->payment_meta, $payment_data );
-            if ( ! empty( $this->payment_meta['fees'] ) ) {
-                $this->fees = array_merge( $this->fees, $this->payment_meta['fees'] );
-                foreach( $this->fees as $fee ) {
-                    $this->increase_fees( $fee['amount'] );
+            $this->payment_meta = apply_filters('wpinv_payment_meta', $this->payment_meta, $payment_data);
+            if (!empty($this->payment_meta['fees'])) {
+                $this->fees = array_merge($this->fees, $this->payment_meta['fees']);
+                foreach ($this->fees as $fee) {
+                    $this->increase_fees($fee['amount']);
                 }
             }
 
-            $this->update_meta( '_wpinv_payment_meta', $this->payment_meta );            
+            $this->update_meta('_wpinv_payment_meta', $this->payment_meta);            
             $this->new = true;
         }
 
         return $this->ID;
     }
 
-    public function save( $setup = false ) {
+    public function save($setup = false) {
         global $wpi_session;
         
         $saved = false;
-        if ( empty( $this->items ) ) {
+        if (empty($this->items)) {
             return $saved; // Don't save empty invoice.
         }
         
-        if ( empty( $this->key ) ) {
+        if (empty($this->key)) {
             $this->key = self::generate_key();
             $this->pending['key'] = $this->key;
         }
         
-        if ( empty( $this->ID ) ) {
+        if (empty($this->ID)) {
             $invoice_id = $this->insert_invoice();
 
-            if ( false === $invoice_id ) {
+            if (false === $invoice_id) {
                 $saved = false;
             } else {
                 $this->ID = $invoice_id;
@@ -670,27 +670,27 @@ 
         }
 
         // If we have something pending, let's save it
-        if ( !empty( $this->pending ) ) {
+        if (!empty($this->pending)) {
             $total_increase = 0;
             $total_decrease = 0;
 
-            foreach ( $this->pending as $key => $value ) {
-                switch( $key ) {
+            foreach ($this->pending as $key => $value) {
+                switch ($key) {
                     case 'items':
                         // Update totals for pending items
-                        foreach ( $this->pending[ $key ] as $item ) {
-                            switch( $item['action'] ) {
+                        foreach ($this->pending[$key] as $item) {
+                            switch ($item['action']) {
                                 case 'add':
                                     $price = $item['price'];
                                     $taxes = $item['tax'];
 
-                                    if ( 'publish' === $this->status ) {
+                                    if ('publish' === $this->status) {
                                         $total_increase += $price;
                                     }
                                     break;
 
                                 case 'remove':
-                                    if ( 'publish' === $this->status ) {
+                                    if ('publish' === $this->status) {
                                         $total_decrease += $item['price'];
                                     }
                                     break;
@@ -698,16 +698,16 @@ 
                         }
                         break;
                     case 'fees':
-                        if ( 'publish' !== $this->status ) {
+                        if ('publish' !== $this->status) {
                             break;
                         }
 
-                        if ( empty( $this->pending[ $key ] ) ) {
+                        if (empty($this->pending[$key])) {
                             break;
                         }
 
-                        foreach ( $this->pending[ $key ] as $fee ) {
-                            switch( $fee['action'] ) {
+                        foreach ($this->pending[$key] as $fee) {
+                            switch ($fee['action']) {
                                 case 'add':
                                     $total_increase += $fee['amount'];
                                     break;
@@ -719,83 +719,83 @@ 
                         }
                         break;
                     case 'status':
-                        $this->update_status( $this->status );
+                        $this->update_status($this->status);
                         break;
                     case 'gateway':
-                        $this->update_meta( '_wpinv_gateway', $this->gateway );
+                        $this->update_meta('_wpinv_gateway', $this->gateway);
                         break;
                     case 'mode':
-                        $this->update_meta( '_wpinv_mode', $this->mode );
+                        $this->update_meta('_wpinv_mode', $this->mode);
                         break;
                     case 'transaction_id':
-                        $this->update_meta( '_wpinv_transaction_id', $this->transaction_id );
+                        $this->update_meta('_wpinv_transaction_id', $this->transaction_id);
                         break;
                     case 'ip':
-                        $this->update_meta( '_wpinv_user_ip', $this->ip );
+                        $this->update_meta('_wpinv_user_ip', $this->ip);
                         break;
                     ///case 'user_id':
                         ///$this->update_meta( '_wpinv_user_id', $this->user_id );
                         ///$this->user_info['user_id'] = $this->user_id;
                         ///break;
                     case 'first_name':
-                        $this->update_meta( '_wpinv_first_name', $this->first_name );
+                        $this->update_meta('_wpinv_first_name', $this->first_name);
                         $this->user_info['first_name'] = $this->first_name;
                         break;
                     case 'last_name':
-                        $this->update_meta( '_wpinv_last_name', $this->last_name );
+                        $this->update_meta('_wpinv_last_name', $this->last_name);
                         $this->user_info['last_name'] = $this->last_name;
                         break;
                     case 'phone':
-                        $this->update_meta( '_wpinv_phone', $this->phone );
+                        $this->update_meta('_wpinv_phone', $this->phone);
                         $this->user_info['phone'] = $this->phone;
                         break;
                     case 'address':
-                        $this->update_meta( '_wpinv_address', $this->address );
+                        $this->update_meta('_wpinv_address', $this->address);
                         $this->user_info['address'] = $this->address;
                         break;
                     case 'city':
-                        $this->update_meta( '_wpinv_city', $this->city );
+                        $this->update_meta('_wpinv_city', $this->city);
                         $this->user_info['city'] = $this->city;
                         break;
                     case 'country':
-                        $this->update_meta( '_wpinv_country', $this->country );
+                        $this->update_meta('_wpinv_country', $this->country);
                         $this->user_info['country'] = $this->country;
                         break;
                     case 'state':
-                        $this->update_meta( '_wpinv_state', $this->state );
+                        $this->update_meta('_wpinv_state', $this->state);
                         $this->user_info['state'] = $this->state;
                         break;
                     case 'zip':
-                        $this->update_meta( '_wpinv_zip', $this->zip );
+                        $this->update_meta('_wpinv_zip', $this->zip);
                         $this->user_info['zip'] = $this->zip;
                         break;
                     case 'company':
-                        $this->update_meta( '_wpinv_company', $this->company );
+                        $this->update_meta('_wpinv_company', $this->company);
                         $this->user_info['company'] = $this->company;
                         break;
                     case 'vat_number':
-                        $this->update_meta( '_wpinv_vat_number', $this->vat_number );
+                        $this->update_meta('_wpinv_vat_number', $this->vat_number);
                         $this->user_info['vat_number'] = $this->vat_number;
                         
-                        $vat_info = $wpi_session->get( 'user_vat_data' );
-                        if ( $this->vat_number && !empty( $vat_info ) && isset( $vat_info['number'] ) && isset( $vat_info['valid'] ) && $vat_info['number'] == $this->vat_number ) {
-                            $adddress_confirmed = isset( $vat_info['adddress_confirmed'] ) ? $vat_info['adddress_confirmed'] : false;
-                            $this->update_meta( '_wpinv_adddress_confirmed', (bool)$adddress_confirmed );
-                            $this->user_info['adddress_confirmed'] = (bool)$adddress_confirmed;
+                        $vat_info = $wpi_session->get('user_vat_data');
+                        if ($this->vat_number && !empty($vat_info) && isset($vat_info['number']) && isset($vat_info['valid']) && $vat_info['number'] == $this->vat_number) {
+                            $adddress_confirmed = isset($vat_info['adddress_confirmed']) ? $vat_info['adddress_confirmed'] : false;
+                            $this->update_meta('_wpinv_adddress_confirmed', (bool) $adddress_confirmed);
+                            $this->user_info['adddress_confirmed'] = (bool) $adddress_confirmed;
                         }
     
                         break;
                     case 'vat_rate':
-                        $this->update_meta( '_wpinv_vat_rate', $this->vat_rate );
+                        $this->update_meta('_wpinv_vat_rate', $this->vat_rate);
                         $this->user_info['vat_rate'] = $this->vat_rate;
                         break;
                     case 'adddress_confirmed':
-                        $this->update_meta( '_wpinv_adddress_confirmed', $this->adddress_confirmed );
+                        $this->update_meta('_wpinv_adddress_confirmed', $this->adddress_confirmed);
                         $this->user_info['adddress_confirmed'] = $this->adddress_confirmed;
                         break;
                     
                     case 'key':
-                        $this->update_meta( '_wpinv_key', $this->key );
+                        $this->update_meta('_wpinv_key', $this->key);
                         break;
                     case 'date':
                         $args = array(
@@ -804,49 +804,49 @@ 
                             'edit_date' => true,
                         );
 
-                        wp_update_post( $args );
+                        wp_update_post($args);
                         break;
                     case 'due_date':
-                        if ( empty( $this->due_date ) ) {
+                        if (empty($this->due_date)) {
                             $this->due_date = 'none';
                         }
                         
-                        $this->update_meta( '_wpinv_due_date', $this->due_date );
+                        $this->update_meta('_wpinv_due_date', $this->due_date);
                         break;
                     case 'completed_date':
-                        $this->update_meta( '_wpinv_completed_date', $this->completed_date );
+                        $this->update_meta('_wpinv_completed_date', $this->completed_date);
                         break;
                     case 'discounts':
-                        if ( ! is_array( $this->discounts ) ) {
-                            $this->discounts = explode( ',', $this->discounts );
+                        if (!is_array($this->discounts)) {
+                            $this->discounts = explode(',', $this->discounts);
                         }
 
-                        $this->user_info['discount'] = implode( ',', $this->discounts );
+                        $this->user_info['discount'] = implode(',', $this->discounts);
                         break;
                     case 'discount':
-                        $this->update_meta( '_wpinv_discount', wpinv_round_amount( $this->discount ) );
+                        $this->update_meta('_wpinv_discount', wpinv_round_amount($this->discount));
                         break;
                     case 'discount_code':
-                        $this->update_meta( '_wpinv_discount_code', $this->discount_code );
+                        $this->update_meta('_wpinv_discount_code', $this->discount_code);
                         break;
                     case 'parent_invoice':
                         $args = array(
                             'ID'          => $this->ID,
                             'post_parent' => $this->parent_invoice,
                         );
-                        wp_update_post( $args );
+                        wp_update_post($args);
                         break;
                     default:
-                        do_action( 'wpinv_save', $this, $key );
+                        do_action('wpinv_save', $this, $key);
                         break;
                 }
             }
 
-            $this->update_meta( '_wpinv_subtotal', wpinv_round_amount( $this->subtotal ) );
-            $this->update_meta( '_wpinv_total', wpinv_round_amount( $this->total ) );
-            $this->update_meta( '_wpinv_tax', wpinv_round_amount( $this->tax ) );
+            $this->update_meta('_wpinv_subtotal', wpinv_round_amount($this->subtotal));
+            $this->update_meta('_wpinv_total', wpinv_round_amount($this->total));
+            $this->update_meta('_wpinv_tax', wpinv_round_amount($this->tax));
             
-            $this->items    = array_values( $this->items );
+            $this->items = array_values($this->items);
             
             $new_meta = array(
                 'items'         => $this->items,
@@ -857,12 +857,12 @@ 
             );
             
             $meta        = $this->get_meta();
-            $merged_meta = array_merge( $meta, $new_meta );
+            $merged_meta = array_merge($meta, $new_meta);
 
             // Only save the payment meta if it's changed
-            if ( md5( serialize( $meta ) ) !== md5( serialize( $merged_meta) ) ) {
-                $updated     = $this->update_meta( '_wpinv_payment_meta', $merged_meta );
-                if ( false !== $updated ) {
+            if (md5(serialize($meta)) !== md5(serialize($merged_meta))) {
+                $updated = $this->update_meta('_wpinv_payment_meta', $merged_meta);
+                if (false !== $updated) {
                     $saved = true;
                 }
             }
@@ -870,15 +870,15 @@ 
             $this->pending = array();
             $saved         = true;
         } else {
-            $this->update_meta( '_wpinv_subtotal', wpinv_round_amount( $this->subtotal ) );
-            $this->update_meta( '_wpinv_total', wpinv_round_amount( $this->total ) );
-            $this->update_meta( '_wpinv_tax', wpinv_round_amount( $this->tax ) );
+            $this->update_meta('_wpinv_subtotal', wpinv_round_amount($this->subtotal));
+            $this->update_meta('_wpinv_total', wpinv_round_amount($this->total));
+            $this->update_meta('_wpinv_tax', wpinv_round_amount($this->tax));
         }
         
-        do_action( 'wpinv_invoice_save', $this, $saved );
+        do_action('wpinv_invoice_save', $this, $saved);
 
-        if ( true === $saved || $setup ) {
-            $this->setup_invoice( $this->ID );
+        if (true === $saved || $setup) {
+            $this->setup_invoice($this->ID);
         }
         
         $this->refresh_item_ids();
@@ -886,7 +886,7 @@ 
         return $saved;
     }
     
-    public function add_fee( $args, $global = true ) {
+    public function add_fee($args, $global = true) {
         $default_args = array(
             'label'       => '',
             'amount'      => 0,
@@ -896,75 +896,75 @@ 
             'item_id'     => 0,
         );
 
-        $fee = wp_parse_args( $args, $default_args );
+        $fee = wp_parse_args($args, $default_args);
         
-        if ( empty( $fee['label'] ) ) {
+        if (empty($fee['label'])) {
             return false;
         }
         
-        $fee['id']  = sanitize_title( $fee['label'] );
+        $fee['id'] = sanitize_title($fee['label']);
         
-        $this->fees[]               = $fee;
+        $this->fees[] = $fee;
         
         $added_fee               = $fee;
         $added_fee['action']     = 'add';
         $this->pending['fees'][] = $added_fee;
-        reset( $this->fees );
+        reset($this->fees);
 
-        $this->increase_fees( $fee['amount'] );
+        $this->increase_fees($fee['amount']);
         return true;
     }
 
-    public function remove_fee( $key ) {
+    public function remove_fee($key) {
         $removed = false;
 
-        if ( is_numeric( $key ) ) {
-            $removed = $this->remove_fee_by( 'index', $key );
+        if (is_numeric($key)) {
+            $removed = $this->remove_fee_by('index', $key);
         }
 
         return $removed;
     }
 
-    public function remove_fee_by( $key, $value, $global = false ) {
-        $allowed_fee_keys = apply_filters( 'wpinv_fee_keys', array(
+    public function remove_fee_by($key, $value, $global = false) {
+        $allowed_fee_keys = apply_filters('wpinv_fee_keys', array(
             'index', 'label', 'amount', 'type',
-        ) );
+        ));
 
-        if ( ! in_array( $key, $allowed_fee_keys ) ) {
+        if (!in_array($key, $allowed_fee_keys)) {
             return false;
         }
 
         $removed = false;
-        if ( 'index' === $key && array_key_exists( $value, $this->fees ) ) {
-            $removed_fee             = $this->fees[ $value ];
+        if ('index' === $key && array_key_exists($value, $this->fees)) {
+            $removed_fee             = $this->fees[$value];
             $removed_fee['action']   = 'remove';
             $this->pending['fees'][] = $removed_fee;
 
-            $this->decrease_fees( $removed_fee['amount'] );
+            $this->decrease_fees($removed_fee['amount']);
 
-            unset( $this->fees[ $value ] );
+            unset($this->fees[$value]);
             $removed = true;
-        } else if ( 'index' !== $key ) {
-            foreach ( $this->fees as $index => $fee ) {
-                if ( isset( $fee[ $key ] ) && $fee[ $key ] == $value ) {
+        } else if ('index' !== $key) {
+            foreach ($this->fees as $index => $fee) {
+                if (isset($fee[$key]) && $fee[$key] == $value) {
                     $removed_fee             = $fee;
                     $removed_fee['action']   = 'remove';
                     $this->pending['fees'][] = $removed_fee;
 
-                    $this->decrease_fees( $removed_fee['amount'] );
+                    $this->decrease_fees($removed_fee['amount']);
 
-                    unset( $this->fees[ $index ] );
+                    unset($this->fees[$index]);
                     $removed = true;
 
-                    if ( false === $global ) {
+                    if (false === $global) {
                         break;
                     }
                 }
             }
         }
 
-        if ( true === $removed ) {
-            $this->fees = array_values( $this->fees );
+        if (true === $removed) {
+            $this->fees = array_values($this->fees);
         }
 
         return $removed;
@@ -972,35 +972,35 @@ 
 
     
 
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
         // Bail if no note specified
-        if( !$note ) {
+        if (!$note) {
             return false;
         }
 
-        if ( empty( $this->ID ) )
+        if (empty($this->ID))
             return false;
         
-        if ( ( ( is_user_logged_in() && wpinv_current_user_can_manage_invoicing() ) || $added_by_user ) && !$system ) {
-            $user                 = get_user_by( 'id', get_current_user_id() );
+        if (((is_user_logged_in() && wpinv_current_user_can_manage_invoicing()) || $added_by_user) && !$system) {
+            $user                 = get_user_by('id', get_current_user_id());
             $comment_author       = $user->display_name;
             $comment_author_email = $user->user_email;
         } else {
             $comment_author       = 'System';
             $comment_author_email = 'system@';
-            $comment_author_email .= isset( $_SERVER['HTTP_HOST'] ) ? str_replace( 'www.', '', $_SERVER['HTTP_HOST'] ) : 'noreply.com';
-            $comment_author_email = sanitize_email( $comment_author_email );
+            $comment_author_email .= isset($_SERVER['HTTP_HOST']) ? str_replace('www.', '', $_SERVER['HTTP_HOST']) : 'noreply.com';
+            $comment_author_email = sanitize_email($comment_author_email);
         }
 
-        do_action( 'wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type );
+        do_action('wpinv_pre_insert_invoice_note', $this->ID, $note, $customer_type);
 
-        $note_id = wp_insert_comment( wp_filter_comment( array(
+        $note_id = wp_insert_comment(wp_filter_comment(array(
             'comment_post_ID'      => $this->ID,
             'comment_content'      => $note,
             'comment_agent'        => 'WPInvoicing',
             'user_id'              => is_admin() ? get_current_user_id() : 0,
-            'comment_date'         => current_time( 'mysql' ),
-            'comment_date_gmt'     => current_time( 'mysql', 1 ),
+            'comment_date'         => current_time('mysql'),
+            'comment_date_gmt'     => current_time('mysql', 1),
             'comment_approved'     => 1,
             'comment_parent'       => 0,
             'comment_author'       => $comment_author,
@@ -1008,53 +1008,53 @@ 
             'comment_author_url'   => '',
             'comment_author_email' => $comment_author_email,
             'comment_type'         => 'wpinv_note'
-        ) ) );
+        )));
 
-        do_action( 'wpinv_insert_payment_note', $note_id, $this->ID, $note );
+        do_action('wpinv_insert_payment_note', $note_id, $this->ID, $note);
         
-        if ( $customer_type ) {
-            add_comment_meta( $note_id, '_wpi_customer_note', 1 );
+        if ($customer_type) {
+            add_comment_meta($note_id, '_wpi_customer_note', 1);
 
-            do_action( 'wpinv_new_customer_note', array( 'invoice_id' => $this->ID, 'user_note' => $note ) );
+            do_action('wpinv_new_customer_note', array('invoice_id' => $this->ID, 'user_note' => $note));
         }
 
         return $note_id;
     }
 
-    private function increase_subtotal( $amount = 0.00 ) {
+    private function increase_subtotal($amount = 0.00) {
         $amount          = (float) $amount;
         $this->subtotal += $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
         $this->recalculate_total();
     }
 
-    private function decrease_subtotal( $amount = 0.00 ) {
+    private function decrease_subtotal($amount = 0.00) {
         $amount          = (float) $amount;
         $this->subtotal -= $amount;
-        $this->subtotal  = wpinv_round_amount( $this->subtotal );
+        $this->subtotal  = wpinv_round_amount($this->subtotal);
 
-        if ( $this->subtotal < 0 ) {
+        if ($this->subtotal < 0) {
             $this->subtotal = 0;
         }
 
         $this->recalculate_total();
     }
 
-    private function increase_fees( $amount = 0.00 ) {
-        $amount            = (float)$amount;
+    private function increase_fees($amount = 0.00) {
+        $amount            = (float) $amount;
         $this->fees_total += $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
         $this->recalculate_total();
     }
 
-    private function decrease_fees( $amount = 0.00 ) {
+    private function decrease_fees($amount = 0.00) {
         $amount            = (float) $amount;
         $this->fees_total -= $amount;
-        $this->fees_total  = wpinv_round_amount( $this->fees_total );
+        $this->fees_total  = wpinv_round_amount($this->fees_total);
 
-        if ( $this->fees_total < 0 ) {
+        if ($this->fees_total < 0) {
             $this->fees_total = 0;
         }
 
@@ -1065,54 +1065,54 @@ 
         global $wpi_nosave;
         
         $this->total = $this->subtotal + $this->tax + $this->fees_total;
-        $this->total = wpinv_round_amount( $this->total );
+        $this->total = wpinv_round_amount($this->total);
         
-        do_action( 'wpinv_invoice_recalculate_total', $this, $wpi_nosave );
+        do_action('wpinv_invoice_recalculate_total', $this, $wpi_nosave);
     }
     
-    public function increase_tax( $amount = 0.00 ) {
+    public function increase_tax($amount = 0.00) {
         $amount       = (float) $amount;
         $this->tax   += $amount;
 
         $this->recalculate_total();
     }
 
-    public function decrease_tax( $amount = 0.00 ) {
+    public function decrease_tax($amount = 0.00) {
         $amount     = (float) $amount;
         $this->tax -= $amount;
 
-        if ( $this->tax < 0 ) {
+        if ($this->tax < 0) {
             $this->tax = 0;
         }
 
         $this->recalculate_total();
     }
 
-    public function update_status( $new_status = false, $note = '', $manual = false ) {
-        $old_status = ! empty( $this->old_status ) ? $this->old_status : get_post_status( $this->ID );
+    public function update_status($new_status = false, $note = '', $manual = false) {
+        $old_status = !empty($this->old_status) ? $this->old_status : get_post_status($this->ID);
 
-        if ( $old_status === $new_status && in_array( $new_status, array_keys( wpinv_get_invoice_statuses( true ) ) ) ) {
+        if ($old_status === $new_status && in_array($new_status, array_keys(wpinv_get_invoice_statuses(true)))) {
             return false; // Don't permit status changes that aren't changes
         }
 
-        $do_change = apply_filters( 'wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status );
+        $do_change = apply_filters('wpinv_should_update_invoice_status', true, $this->ID, $new_status, $old_status);
         $updated = false;
 
-        if ( $do_change ) {
-            do_action( 'wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status );
+        if ($do_change) {
+            do_action('wpinv_before_invoice_status_change', $this->ID, $new_status, $old_status);
 
             $update_post_data                   = array();
             $update_post_data['ID']             = $this->ID;
             $update_post_data['post_status']    = $new_status;
-            $update_post_data['edit_date']      = current_time( 'mysql', 0 );
-            $update_post_data['edit_date_gmt']  = current_time( 'mysql', 1 );
+            $update_post_data['edit_date']      = current_time('mysql', 0);
+            $update_post_data['edit_date_gmt']  = current_time('mysql', 1);
             
-            $update_post_data = apply_filters( 'wpinv_update_invoice_status_fields', $update_post_data, $this->ID );
+            $update_post_data = apply_filters('wpinv_update_invoice_status_fields', $update_post_data, $this->ID);
 
-            $updated = wp_update_post( $update_post_data );     
+            $updated = wp_update_post($update_post_data);     
            
             // Process any specific status functions
-            switch( $new_status ) {
+            switch ($new_status) {
                 case 'wpi-refunded':
                     $this->process_refund();
                     break;
@@ -1125,9 +1125,9 @@ 
             }
             
             // Status was changed.
-            do_action( 'wpinv_status_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status );
-            do_action( 'wpinv_update_status', $this->ID, $new_status, $old_status );
+            do_action('wpinv_status_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_status_' . $old_status . '_to_' . $new_status, $this->ID, $old_status);
+            do_action('wpinv_update_status', $this->ID, $new_status, $old_status);
         }
 
         return $updated;
@@ -1141,20 +1141,20 @@ 
         $this->save();
     }
 
-    public function update_meta( $meta_key = '', $meta_value = '', $prev_value = '' ) {
-        if ( empty( $meta_key ) ) {
+    public function update_meta($meta_key = '', $meta_value = '', $prev_value = '') {
+        if (empty($meta_key)) {
             return false;
         }
 
-        if ( $meta_key == 'key' || $meta_key == 'date' ) {
+        if ($meta_key == 'key' || $meta_key == 'date') {
             $current_meta = $this->get_meta();
-            $current_meta[ $meta_key ] = $meta_value;
+            $current_meta[$meta_key] = $meta_value;
 
             $meta_key     = '_wpinv_payment_meta';
             $meta_value   = $current_meta;
         }
 
-        $meta_value = apply_filters( 'wpinv_update_payment_meta_' . $meta_key, $meta_value, $this->ID );
+        $meta_value = apply_filters('wpinv_update_payment_meta_' . $meta_key, $meta_value, $this->ID);
         
         // Do not update created date on invoice marked as paid.
         /*if ( $meta_key == '_wpinv_completed_date' && !empty( $meta_value ) ) {
@@ -1169,45 +1169,45 @@ 
             wp_update_post( $args );
         }*/
         
-        return update_post_meta( $this->ID, $meta_key, $meta_value, $prev_value );
+        return update_post_meta($this->ID, $meta_key, $meta_value, $prev_value);
     }
 
     private function process_refund() {
         $process_refund = true;
 
         // If the payment was not in publish, don't decrement stats as they were never incremented
-        if ( 'publish' != $this->old_status || 'wpi-refunded' != $this->status ) {
+        if ('publish' != $this->old_status || 'wpi-refunded' != $this->status) {
             $process_refund = false;
         }
 
         // Allow extensions to filter for their own payment types, Example: Recurring Payments
-        $process_refund = apply_filters( 'wpinv_should_process_refund', $process_refund, $this );
+        $process_refund = apply_filters('wpinv_should_process_refund', $process_refund, $this);
 
-        if ( false === $process_refund ) {
+        if (false === $process_refund) {
             return;
         }
 
-        do_action( 'wpinv_pre_refund_invoice', $this );
+        do_action('wpinv_pre_refund_invoice', $this);
         
-        $decrease_store_earnings = apply_filters( 'wpinv_decrease_store_earnings_on_refund', true, $this );
-        $decrease_customer_value = apply_filters( 'wpinv_decrease_customer_value_on_refund', true, $this );
-        $decrease_purchase_count = apply_filters( 'wpinv_decrease_customer_purchase_count_on_refund', true, $this );
+        $decrease_store_earnings = apply_filters('wpinv_decrease_store_earnings_on_refund', true, $this);
+        $decrease_customer_value = apply_filters('wpinv_decrease_customer_value_on_refund', true, $this);
+        $decrease_purchase_count = apply_filters('wpinv_decrease_customer_purchase_count_on_refund', true, $this);
         
-        do_action( 'wpinv_post_refund_invoice', $this );
+        do_action('wpinv_post_refund_invoice', $this);
     }
 
     private function process_failure() {
         $discounts = $this->discounts;
-        if ( empty( $discounts ) ) {
+        if (empty($discounts)) {
             return;
         }
 
-        if ( ! is_array( $discounts ) ) {
-            $discounts = array_map( 'trim', explode( ',', $discounts ) );
+        if (!is_array($discounts)) {
+            $discounts = array_map('trim', explode(',', $discounts));
         }
 
-        foreach ( $discounts as $discount ) {
-            wpinv_decrease_discount_usage( $discount );
+        foreach ($discounts as $discount) {
+            wpinv_decrease_discount_usage($discount);
         }
     }
     
@@ -1215,92 +1215,92 @@ 
         $process_pending = true;
 
         // If the payment was not in publish or revoked status, don't decrement stats as they were never incremented
-        if ( ( 'publish' != $this->old_status && 'revoked' != $this->old_status ) || 'wpi-pending' != $this->status ) {
+        if (('publish' != $this->old_status && 'revoked' != $this->old_status) || 'wpi-pending' != $this->status) {
             $process_pending = false;
         }
 
         // Allow extensions to filter for their own payment types, Example: Recurring Payments
-        $process_pending = apply_filters( 'wpinv_should_process_pending', $process_pending, $this );
+        $process_pending = apply_filters('wpinv_should_process_pending', $process_pending, $this);
 
-        if ( false === $process_pending ) {
+        if (false === $process_pending) {
             return;
         }
 
-        $decrease_store_earnings = apply_filters( 'wpinv_decrease_store_earnings_on_pending', true, $this );
-        $decrease_customer_value = apply_filters( 'wpinv_decrease_customer_value_on_pending', true, $this );
-        $decrease_purchase_count = apply_filters( 'wpinv_decrease_customer_purchase_count_on_pending', true, $this );
+        $decrease_store_earnings = apply_filters('wpinv_decrease_store_earnings_on_pending', true, $this);
+        $decrease_customer_value = apply_filters('wpinv_decrease_customer_value_on_pending', true, $this);
+        $decrease_purchase_count = apply_filters('wpinv_decrease_customer_purchase_count_on_pending', true, $this);
 
         $this->completed_date = '';
-        $this->update_meta( '_wpinv_completed_date', '' );
+        $this->update_meta('_wpinv_completed_date', '');
     }
     
     // get data
-    public function get_meta( $meta_key = '_wpinv_payment_meta', $single = true ) {
-        $meta = get_post_meta( $this->ID, $meta_key, $single );
+    public function get_meta($meta_key = '_wpinv_payment_meta', $single = true) {
+        $meta = get_post_meta($this->ID, $meta_key, $single);
 
-        if ( $meta_key === '_wpinv_payment_meta' ) {
+        if ($meta_key === '_wpinv_payment_meta') {
 
-            if(!is_array($meta)){$meta = array();} // we need this to be an array so make sure it is.
+            if (!is_array($meta)) {$meta = array(); } // we need this to be an array so make sure it is.
 
-            if ( empty( $meta['key'] ) ) {
+            if (empty($meta['key'])) {
                 $meta['key'] = $this->setup_invoice_key();
             }
 
-            if ( empty( $meta['date'] ) ) {
-                $meta['date'] = get_post_field( 'post_date', $this->ID );
+            if (empty($meta['date'])) {
+                $meta['date'] = get_post_field('post_date', $this->ID);
             }
         }
 
-        $meta = apply_filters( 'wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID );
+        $meta = apply_filters('wpinv_get_invoice_meta_' . $meta_key, $meta, $this->ID);
 
-        return apply_filters( 'wpinv_get_invoice_meta', $meta, $this->ID, $meta_key );
+        return apply_filters('wpinv_get_invoice_meta', $meta, $this->ID, $meta_key);
     }
     
     public function get_description() {
-        $post = get_post( $this->ID );
+        $post = get_post($this->ID);
         
-        $description = !empty( $post ) ? $post->post_content : '';
-        return apply_filters( 'wpinv_get_description', $description, $this->ID, $this );
+        $description = !empty($post) ? $post->post_content : '';
+        return apply_filters('wpinv_get_description', $description, $this->ID, $this);
     }
     
-    public function get_status( $nicename = false ) {
-        if ( !$nicename ) {
+    public function get_status($nicename = false) {
+        if (!$nicename) {
             $status = $this->status;
         } else {
             $status = $this->status_nicename;
         }
         
-        return apply_filters( 'wpinv_get_status', $status, $nicename, $this->ID, $this );
+        return apply_filters('wpinv_get_status', $status, $nicename, $this->ID, $this);
     }
     
     public function get_cart_details() {
-        return apply_filters( 'wpinv_cart_details', $this->cart_details, $this->ID, $this );
+        return apply_filters('wpinv_cart_details', $this->cart_details, $this->ID, $this);
     }
     
-    public function get_subtotal( $currency = false ) {
-        $subtotal = wpinv_round_amount( $this->subtotal );
+    public function get_subtotal($currency = false) {
+        $subtotal = wpinv_round_amount($this->subtotal);
         
-        if ( $currency ) {
-            $subtotal = wpinv_price( wpinv_format_amount( $subtotal, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $subtotal = wpinv_price(wpinv_format_amount($subtotal, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_subtotal', $subtotal, $this->ID, $this, $currency);
     }
     
-    public function get_total( $currency = false ) {        
-        if ( $this->is_free_trial() ) {
-            $total = wpinv_round_amount( 0 );
+    public function get_total($currency = false) {        
+        if ($this->is_free_trial()) {
+            $total = wpinv_round_amount(0);
         } else {
-            $total = wpinv_round_amount( $this->total );
+            $total = wpinv_round_amount($this->total);
         }
-        if ( $currency ) {
-            $total = wpinv_price( wpinv_format_amount( $total, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $total = wpinv_price(wpinv_format_amount($total, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_total', $total, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_total', $total, $this->ID, $this, $currency);
     }
     
-    public function get_recurring_details( $field = '', $currency = false ) {        
+    public function get_recurring_details($field = '', $currency = false) {        
         $data                 = array();
         $data['cart_details'] = $this->cart_details;
         $data['subtotal']     = $this->get_subtotal();
@@ -1308,164 +1308,164 @@ 
         $data['tax']          = $this->get_tax();
         $data['total']        = $this->get_total();
     
-        if ( !empty( $this->cart_details ) && ( $this->is_parent() || $this->is_renewal() ) ) {
+        if (!empty($this->cart_details) && ($this->is_parent() || $this->is_renewal())) {
             $is_free_trial = $this->is_free_trial();
-            $discounts = $this->get_discounts( true );
+            $discounts = $this->get_discounts(true);
             
-            if ( $is_free_trial || !empty( $discounts ) ) {
+            if ($is_free_trial || !empty($discounts)) {
                 $first_use_only = false;
                 
-                if ( !empty( $discounts ) ) {
-                    foreach ( $discounts as $key => $code ) {
-                        if ( wpinv_discount_is_recurring( $code, true ) && !$this->is_renewal() ) {
+                if (!empty($discounts)) {
+                    foreach ($discounts as $key => $code) {
+                        if (wpinv_discount_is_recurring($code, true) && !$this->is_renewal()) {
                             $first_use_only = true;
                             break;
                         }
                     }
                 }
                     
-                if ( !$first_use_only ) {
-                    $data['subtotal'] = wpinv_round_amount( $this->subtotal );
-                    $data['discount'] = wpinv_round_amount( $this->discount );
-                    $data['tax']      = wpinv_round_amount( $this->tax );
-                    $data['total']    = wpinv_round_amount( $this->total );
+                if (!$first_use_only) {
+                    $data['subtotal'] = wpinv_round_amount($this->subtotal);
+                    $data['discount'] = wpinv_round_amount($this->discount);
+                    $data['tax']      = wpinv_round_amount($this->tax);
+                    $data['total']    = wpinv_round_amount($this->total);
                 } else {
                     $cart_subtotal   = 0;
                     $cart_discount   = $this->discount;
                     $cart_tax        = 0;
 
-                    foreach ( $this->cart_details as $key => $item ) {
-                        $item_quantity  = $item['quantity'] > 0 ? absint( $item['quantity'] ) : 1;
-                        $item_subtotal  = !empty( $item['subtotal'] ) ? $item['subtotal'] : $item['item_price'] * $item_quantity;
+                    foreach ($this->cart_details as $key => $item) {
+                        $item_quantity  = $item['quantity'] > 0 ? absint($item['quantity']) : 1;
+                        $item_subtotal  = !empty($item['subtotal']) ? $item['subtotal'] : $item['item_price'] * $item_quantity;
                         $item_discount  = 0;
-                        $item_tax       = $item_subtotal > 0 && !empty( $item['vat_rate'] ) ? ( $item_subtotal * 0.01 * (float)$item['vat_rate'] ) : 0;
+                        $item_tax       = $item_subtotal > 0 && !empty($item['vat_rate']) ? ($item_subtotal * 0.01 * (float) $item['vat_rate']) : 0;
                         
-                        if ( wpinv_prices_include_tax() ) {
-                            $item_subtotal -= wpinv_round_amount( $item_tax );
+                        if (wpinv_prices_include_tax()) {
+                            $item_subtotal -= wpinv_round_amount($item_tax);
                         }
                         
                         $item_total     = $item_subtotal - $item_discount + $item_tax;
                         // Do not allow totals to go negative
-                        if ( $item_total < 0 ) {
+                        if ($item_total < 0) {
                             $item_total = 0;
                         }
                         
-                        $cart_subtotal  += (float)($item_subtotal);
-                        $cart_discount  += (float)($item_discount);
-                        $cart_tax       += (float)($item_tax);
+                        $cart_subtotal  += (float) ($item_subtotal);
+                        $cart_discount  += (float) ($item_discount);
+                        $cart_tax       += (float) ($item_tax);
                         
-                        $data['cart_details'][$key]['discount']   = wpinv_round_amount( $item_discount );
-                        $data['cart_details'][$key]['tax']        = wpinv_round_amount( $item_tax );
-                        $data['cart_details'][$key]['price']      = wpinv_round_amount( $item_total );
+                        $data['cart_details'][$key]['discount']   = wpinv_round_amount($item_discount);
+                        $data['cart_details'][$key]['tax']        = wpinv_round_amount($item_tax);
+                        $data['cart_details'][$key]['price']      = wpinv_round_amount($item_total);
                     }
 
 	                $total = $data['subtotal'] - $data['discount'] + $data['tax'];
-	                if ( $total < 0 ) {
+	                if ($total < 0) {
 		                $total = 0;
 	                }
 
-                    $data['subtotal'] = wpinv_round_amount( $cart_subtotal );
-                    $data['discount'] = wpinv_round_amount( $cart_discount );
-                    $data['tax']      = wpinv_round_amount( $cart_tax );
-                    $data['total']    = wpinv_round_amount( $total );
+                    $data['subtotal'] = wpinv_round_amount($cart_subtotal);
+                    $data['discount'] = wpinv_round_amount($cart_discount);
+                    $data['tax']      = wpinv_round_amount($cart_tax);
+                    $data['total']    = wpinv_round_amount($total);
                 }
             }
         }
         
-        $data = apply_filters( 'wpinv_get_invoice_recurring_details', $data, $this, $field, $currency );
+        $data = apply_filters('wpinv_get_invoice_recurring_details', $data, $this, $field, $currency);
 
-        if ( isset( $data[$field] ) ) {
-            return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
+        if (isset($data[$field])) {
+            return ($currency ? wpinv_price($data[$field], $this->get_currency()) : $data[$field]);
         }
         
         return $data;
     }
     
-    public function get_final_tax( $currency = false ) {        
-        $final_total = wpinv_round_amount( $this->tax );
-        if ( $currency ) {
-            $final_total = wpinv_price( wpinv_format_amount( $final_total, NULL, !$currency ), $this->get_currency() );
+    public function get_final_tax($currency = false) {        
+        $final_total = wpinv_round_amount($this->tax);
+        if ($currency) {
+            $final_total = wpinv_price(wpinv_format_amount($final_total, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_final_total', $final_total, $this, $currency );
+        return apply_filters('wpinv_get_invoice_final_total', $final_total, $this, $currency);
     }
     
-    public function get_discounts( $array = false ) {
+    public function get_discounts($array = false) {
         $discounts = $this->discounts;
-        if ( $array && $discounts ) {
-            $discounts = explode( ',', $discounts );
+        if ($array && $discounts) {
+            $discounts = explode(',', $discounts);
         }
-        return apply_filters( 'wpinv_payment_discounts', $discounts, $this->ID, $this, $array );
+        return apply_filters('wpinv_payment_discounts', $discounts, $this->ID, $this, $array);
     }
     
-    public function get_discount( $currency = false, $dash = false ) {
-        if ( !empty( $this->discounts ) ) {
+    public function get_discount($currency = false, $dash = false) {
+        if (!empty($this->discounts)) {
             global $ajax_cart_details;
             $ajax_cart_details = $this->get_cart_details();
             
-            if ( !empty( $ajax_cart_details ) && count( $ajax_cart_details ) == count( $this->items ) ) {
+            if (!empty($ajax_cart_details) && count($ajax_cart_details) == count($this->items)) {
                 $cart_items = $ajax_cart_details;
             } else {
                 $cart_items = $this->items;
             }
 
-            $this->discount = wpinv_get_cart_items_discount_amount( $cart_items , $this->discounts );
+            $this->discount = wpinv_get_cart_items_discount_amount($cart_items, $this->discounts);
         }
-        $discount   = wpinv_round_amount( $this->discount );
+        $discount   = wpinv_round_amount($this->discount);
         $dash       = $dash && $discount > 0 ? '&ndash;' : '';
         
-        if ( $currency ) {
-            $discount = wpinv_price( wpinv_format_amount( $discount, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $discount = wpinv_price(wpinv_format_amount($discount, NULL, !$currency), $this->get_currency());
         }
         
-        $discount   = $dash . $discount;
+        $discount = $dash . $discount;
         
-        return apply_filters( 'wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash );
+        return apply_filters('wpinv_get_invoice_discount', $discount, $this->ID, $this, $currency, $dash);
     }
     
     public function get_discount_code() {
         return $this->discount_code;
     }
     
-    public function get_tax( $currency = false ) {
-        $tax = wpinv_round_amount( $this->tax );
+    public function get_tax($currency = false) {
+        $tax = wpinv_round_amount($this->tax);
         
-        if ( $currency ) {
-            $tax = wpinv_price( wpinv_format_amount( $tax, NULL, !$currency ), $this->get_currency() );
+        if ($currency) {
+            $tax = wpinv_price(wpinv_format_amount($tax, NULL, !$currency), $this->get_currency());
         }
         
-        return apply_filters( 'wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency );
+        return apply_filters('wpinv_get_invoice_tax', $tax, $this->ID, $this, $currency);
     }
     
-    public function get_fees( $type = 'all' ) {
-        $fees    = array();
+    public function get_fees($type = 'all') {
+        $fees = array();
 
-        if ( ! empty( $this->fees ) && is_array( $this->fees ) ) {
-            foreach ( $this->fees as $fee ) {
-                if( 'all' != $type && ! empty( $fee['type'] ) && $type != $fee['type'] ) {
+        if (!empty($this->fees) && is_array($this->fees)) {
+            foreach ($this->fees as $fee) {
+                if ('all' != $type && !empty($fee['type']) && $type != $fee['type']) {
                     continue;
                 }
 
-                $fee['label'] = stripslashes( $fee['label'] );
-                $fee['amount_display'] = wpinv_price( $fee['amount'], $this->get_currency() );
-                $fees[]    = $fee;
+                $fee['label'] = stripslashes($fee['label']);
+                $fee['amount_display'] = wpinv_price($fee['amount'], $this->get_currency());
+                $fees[] = $fee;
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees', $fees, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees', $fees, $this->ID, $this);
     }
     
-    public function get_fees_total( $type = 'all' ) {
+    public function get_fees_total($type = 'all') {
         $fees_total = (float) 0.00;
 
-        $payment_fees = isset( $this->payment_meta['fees'] ) ? $this->payment_meta['fees'] : array();
-        if ( ! empty( $payment_fees ) ) {
-            foreach ( $payment_fees as $fee ) {
+        $payment_fees = isset($this->payment_meta['fees']) ? $this->payment_meta['fees'] : array();
+        if (!empty($payment_fees)) {
+            foreach ($payment_fees as $fee) {
                 $fees_total += (float) $fee['amount'];
             }
         }
 
-        return apply_filters( 'wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_fees_total', $fees_total, $this->ID, $this);
         /*
         $fees = $this->get_fees( $type );
 
@@ -1485,116 +1485,116 @@ 
     }
 
     public function get_user_id() {
-        return apply_filters( 'wpinv_user_id', $this->user_id, $this->ID, $this );
+        return apply_filters('wpinv_user_id', $this->user_id, $this->ID, $this);
     }
     
     public function get_first_name() {
-        return apply_filters( 'wpinv_first_name', $this->first_name, $this->ID, $this );
+        return apply_filters('wpinv_first_name', $this->first_name, $this->ID, $this);
     }
     
     public function get_last_name() {
-        return apply_filters( 'wpinv_last_name', $this->last_name, $this->ID, $this );
+        return apply_filters('wpinv_last_name', $this->last_name, $this->ID, $this);
     }
     
     public function get_user_full_name() {
-        return apply_filters( 'wpinv_user_full_name', $this->full_name, $this->ID, $this );
+        return apply_filters('wpinv_user_full_name', $this->full_name, $this->ID, $this);
     }
     
     public function get_user_info() {
-        return apply_filters( 'wpinv_user_info', $this->user_info, $this->ID, $this );
+        return apply_filters('wpinv_user_info', $this->user_info, $this->ID, $this);
     }
     
     public function get_email() {
-        return apply_filters( 'wpinv_user_email', $this->email, $this->ID, $this );
+        return apply_filters('wpinv_user_email', $this->email, $this->ID, $this);
     }
     
     public function get_address() {
-        return apply_filters( 'wpinv_address', $this->address, $this->ID, $this );
+        return apply_filters('wpinv_address', $this->address, $this->ID, $this);
     }
     
     public function get_phone() {
-        return apply_filters( 'wpinv_phone', $this->phone, $this->ID, $this );
+        return apply_filters('wpinv_phone', $this->phone, $this->ID, $this);
     }
     
     public function get_number() {
-        return apply_filters( 'wpinv_number', $this->number, $this->ID, $this );
+        return apply_filters('wpinv_number', $this->number, $this->ID, $this);
     }
     
     public function get_items() {
-        return apply_filters( 'wpinv_payment_meta_items', $this->items, $this->ID, $this );
+        return apply_filters('wpinv_payment_meta_items', $this->items, $this->ID, $this);
     }
     
     public function get_key() {
-        return apply_filters( 'wpinv_key', $this->key, $this->ID, $this );
+        return apply_filters('wpinv_key', $this->key, $this->ID, $this);
     }
     
     public function get_transaction_id() {
-        return apply_filters( 'wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_transaction_id', $this->transaction_id, $this->ID, $this);
     }
     
     public function get_gateway() {
-        return apply_filters( 'wpinv_gateway', $this->gateway, $this->ID, $this );
+        return apply_filters('wpinv_gateway', $this->gateway, $this->ID, $this);
     }
     
     public function get_gateway_title() {
-        $this->gateway_title = !empty( $this->gateway_title ) ? $this->gateway_title : wpinv_get_gateway_checkout_label( $this->gateway );
+        $this->gateway_title = !empty($this->gateway_title) ? $this->gateway_title : wpinv_get_gateway_checkout_label($this->gateway);
         
-        return apply_filters( 'wpinv_gateway_title', $this->gateway_title, $this->ID, $this );
+        return apply_filters('wpinv_gateway_title', $this->gateway_title, $this->ID, $this);
     }
     
     public function get_currency() {
-        return apply_filters( 'wpinv_currency_code', $this->currency, $this->ID, $this );
+        return apply_filters('wpinv_currency_code', $this->currency, $this->ID, $this);
     }
     
     public function get_created_date() {
-        return apply_filters( 'wpinv_created_date', $this->date, $this->ID, $this );
+        return apply_filters('wpinv_created_date', $this->date, $this->ID, $this);
     }
     
-    public function get_due_date( $display = false ) {
-        $due_date = apply_filters( 'wpinv_due_date', $this->due_date, $this->ID, $this );
+    public function get_due_date($display = false) {
+        $due_date = apply_filters('wpinv_due_date', $this->due_date, $this->ID, $this);
         
-        if ( !$display || empty( $due_date ) ) {
+        if (!$display || empty($due_date)) {
             return $due_date;
         }
         
-        return date_i18n( get_option( 'date_format' ), strtotime( $due_date ) );
+        return date_i18n(get_option('date_format'), strtotime($due_date));
     }
     
     public function get_completed_date() {
-        return apply_filters( 'wpinv_completed_date', $this->completed_date, $this->ID, $this );
+        return apply_filters('wpinv_completed_date', $this->completed_date, $this->ID, $this);
     }
     
-    public function get_invoice_date( $formatted = true ) {
+    public function get_invoice_date($formatted = true) {
         $date_completed = $this->completed_date;
         $invoice_date   = $date_completed != '' && $date_completed != '0000-00-00 00:00:00' ? $date_completed : '';
         
-        if ( $invoice_date == '' ) {
+        if ($invoice_date == '') {
             $date_created   = $this->date;
             $invoice_date   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? $date_created : '';
         }
         
-        if ( $formatted && $invoice_date ) {
-            $invoice_date   = date_i18n( get_option( 'date_format' ), strtotime( $invoice_date ) );
+        if ($formatted && $invoice_date) {
+            $invoice_date = date_i18n(get_option('date_format'), strtotime($invoice_date));
         }
 
-        return apply_filters( 'wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this );
+        return apply_filters('wpinv_get_invoice_date', $invoice_date, $formatted, $this->ID, $this);
     }
     
     public function get_ip() {
-        return apply_filters( 'wpinv_user_ip', $this->ip, $this->ID, $this );
+        return apply_filters('wpinv_user_ip', $this->ip, $this->ID, $this);
     }
         
-    public function has_status( $status ) {
-        return apply_filters( 'wpinv_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status ) ) || $this->get_status() === $status ? true : false, $this, $status );
+    public function has_status($status) {
+        return apply_filters('wpinv_has_status', (is_array($status) && in_array($this->get_status(), $status)) || $this->get_status() === $status ? true : false, $this, $status);
     }
     
-    public function add_item( $item_id = 0, $args = array() ) {
+    public function add_item($item_id = 0, $args = array()) {
         global $wpi_current_id, $wpi_item_id;
         
-        $item = new WPInv_Item( $item_id );
+        $item = new WPInv_Item($item_id);
 
         // Bail if this post isn't a item
-        if( !$item || $item->post_type !== 'wpi_item' ) {
+        if (!$item || $item->post_type !== 'wpi_item') {
             return false;
         }
         
@@ -1613,8 +1613,8 @@ 
             'fees'          => array()
         );
 
-        $args = wp_parse_args( apply_filters( 'wpinv_add_item_args', $args, $item->ID ), $defaults );
-        $args['quantity']   = $has_quantities && $args['quantity'] > 0 ? absint( $args['quantity'] ) : 1;
+        $args = wp_parse_args(apply_filters('wpinv_add_item_args', $args, $item->ID), $defaults);
+        $args['quantity'] = $has_quantities && $args['quantity'] > 0 ? absint($args['quantity']) : 1;
 
         $wpi_current_id         = $this->ID;
         $wpi_item_id            = $item->ID;
@@ -1626,19 +1626,19 @@ 
         $found_cart_key         = false;
         
         if ($has_quantities) {
-            $this->cart_details = !empty( $this->cart_details ) ? array_values( $this->cart_details ) : $this->cart_details;
+            $this->cart_details = !empty($this->cart_details) ? array_values($this->cart_details) : $this->cart_details;
             
-            foreach ( $this->items as $key => $cart_item ) {
-                if ( (int)$item_id !== (int)$cart_item['id'] ) {
+            foreach ($this->items as $key => $cart_item) {
+                if ((int) $item_id !== (int) $cart_item['id']) {
                     continue;
                 }
 
-                $this->items[ $key ]['quantity'] += $args['quantity'];
+                $this->items[$key]['quantity'] += $args['quantity'];
                 break;
             }
             
-            foreach ( $this->cart_details as $cart_key => $cart_item ) {
-                if ( $item_id != $cart_item['id'] ) {
+            foreach ($this->cart_details as $cart_key => $cart_item) {
+                if ($item_id != $cart_item['id']) {
                     continue;
                 }
 
@@ -1650,29 +1650,29 @@ 
         if ($has_quantities && $found_cart_key !== false) {
             $cart_item          = $this->cart_details[$found_cart_key];
             $item_price         = $cart_item['item_price'];
-            $quantity           = !empty( $cart_item['quantity'] ) ? $cart_item['quantity'] : 1;
-            $tax_rate           = !empty( $cart_item['vat_rate'] ) ? $cart_item['vat_rate'] : 0;
+            $quantity           = !empty($cart_item['quantity']) ? $cart_item['quantity'] : 1;
+            $tax_rate           = !empty($cart_item['vat_rate']) ? $cart_item['vat_rate'] : 0;
             
             $new_quantity       = $quantity + $args['quantity'];
             $subtotal           = $item_price * $new_quantity;
             
             $args['quantity']   = $new_quantity;
-            $discount           = !empty( $args['discount'] ) ? $args['discount'] : 0;
-            $tax                = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount           = !empty($args['discount']) ? $args['discount'] : 0;
+            $tax                = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float) $tax_rate) : 0;
             
-            $discount_increased = $discount > 0 && $subtotal > 0 && $discount > (float)$cart_item['discount'] ? $discount - (float)$cart_item['discount'] : 0;
-            $tax_increased      = $tax > 0 && $subtotal > 0 && $tax > (float)$cart_item['tax'] ? $tax - (float)$cart_item['tax'] : 0;
+            $discount_increased = $discount > 0 && $subtotal > 0 && $discount > (float) $cart_item['discount'] ? $discount - (float) $cart_item['discount'] : 0;
+            $tax_increased      = $tax > 0 && $subtotal > 0 && $tax > (float) $cart_item['tax'] ? $tax - (float) $cart_item['tax'] : 0;
             // The total increase equals the number removed * the item_price
-            $total_increased    = wpinv_round_amount( $item_price );
+            $total_increased    = wpinv_round_amount($item_price);
             
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total              = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
             
@@ -1688,25 +1688,25 @@ 
             $this->cart_details[$found_cart_key] = $cart_item;
         } else {
             // Set custom price.
-            if ( $args['custom_price'] !== '' ) {
+            if ($args['custom_price'] !== '') {
                 $item_price = $args['custom_price'];
             } else {
                 // Allow overriding the price
-                if ( false !== $args['item_price'] ) {
+                if (false !== $args['item_price']) {
                     $item_price = $args['item_price'];
                 } else {
-                    $item_price = wpinv_get_item_price( $item->ID );
+                    $item_price = wpinv_get_item_price($item->ID);
                 }
             }
 
             // Sanitizing the price here so we don't have a dozen calls later
-            $item_price = wpinv_sanitize_amount( $item_price );
-            $subtotal   = wpinv_round_amount( $item_price * $args['quantity'] );
+            $item_price = wpinv_sanitize_amount($item_price);
+            $subtotal   = wpinv_round_amount($item_price * $args['quantity']);
         
-            $discount   = !empty( $args['discount'] ) ? $args['discount'] : 0;
-            $tax_class  = !empty( $args['vat_class'] ) ? $args['vat_class'] : '';
-            $tax_rate   = !empty( $args['vat_rate'] ) ? $args['vat_rate'] : 0;
-            $tax        = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount   = !empty($args['discount']) ? $args['discount'] : 0;
+            $tax_class  = !empty($args['vat_class']) ? $args['vat_class'] : '';
+            $tax_rate   = !empty($args['vat_rate']) ? $args['vat_rate'] : 0;
+            $tax        = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float) $tax_rate) : 0;
 
             // Setup the items meta item
             $new_item = array(
@@ -1714,29 +1714,29 @@ 
                 'quantity' => $args['quantity'],
             );
 
-            $this->items[]  = $new_item;
+            $this->items[] = $new_item;
 
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total      = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
         
             $this->cart_details[] = array(
                 'name'          => !empty($args['name']) ? $args['name'] : $item->get_name(),
                 'id'            => $item->ID,
-                'item_price'    => wpinv_round_amount( $item_price ),
-                'custom_price'  => ( $args['custom_price'] !== '' ? wpinv_round_amount( $args['custom_price'] ) : '' ),
+                'item_price'    => wpinv_round_amount($item_price),
+                'custom_price'  => ($args['custom_price'] !== '' ? wpinv_round_amount($args['custom_price']) : ''),
                 'quantity'      => $args['quantity'],
                 'discount'      => $discount,
-                'subtotal'      => wpinv_round_amount( $subtotal ),
-                'tax'           => wpinv_round_amount( $tax ),
-                'price'         => wpinv_round_amount( $total ),
+                'subtotal'      => wpinv_round_amount($subtotal),
+                'tax'           => wpinv_round_amount($tax),
+                'price'         => wpinv_round_amount($total),
                 'vat_rate'      => $tax_rate,
                 'vat_class'     => $tax_class,
                 'meta'          => $args['meta'],
@@ -1746,18 +1746,18 @@ 
             $subtotal = $subtotal - $discount;
         }
         
-        $added_item = end( $this->cart_details );
-        $added_item['action']  = 'add';
+        $added_item = end($this->cart_details);
+        $added_item['action'] = 'add';
         
         $this->pending['items'][] = $added_item;
         
-        $this->increase_subtotal( $subtotal );
-        $this->increase_tax( $tax );
+        $this->increase_subtotal($subtotal);
+        $this->increase_tax($tax);
 
         return true;
     }
     
-    public function remove_item( $item_id, $args = array() ) {
+    public function remove_item($item_id, $args = array()) {
         // Set some defaults
         $defaults = array(
             'quantity'      => 1,
@@ -1765,51 +1765,51 @@ 
             'custom_price'  => '',
             'cart_index'    => false,
         );
-        $args = wp_parse_args( $args, $defaults );
+        $args = wp_parse_args($args, $defaults);
 
         // Bail if this post isn't a item
-        if ( get_post_type( $item_id ) !== 'wpi_item' ) {
+        if (get_post_type($item_id) !== 'wpi_item') {
             return false;
         }
         
-        $this->cart_details = !empty( $this->cart_details ) ? array_values( $this->cart_details ) : $this->cart_details;
+        $this->cart_details = !empty($this->cart_details) ? array_values($this->cart_details) : $this->cart_details;
 
-        foreach ( $this->items as $key => $item ) {
-            if ( !empty($item['id']) && (int)$item_id !== (int)$item['id'] ) {
+        foreach ($this->items as $key => $item) {
+            if (!empty($item['id']) && (int) $item_id !== (int) $item['id']) {
                 continue;
             }
 
-            if ( false !== $args['cart_index'] ) {
-                $cart_index = absint( $args['cart_index'] );
-                $cart_item  = ! empty( $this->cart_details[ $cart_index ] ) ? $this->cart_details[ $cart_index ] : false;
+            if (false !== $args['cart_index']) {
+                $cart_index = absint($args['cart_index']);
+                $cart_item  = !empty($this->cart_details[$cart_index]) ? $this->cart_details[$cart_index] : false;
 
-                if ( ! empty( $cart_item ) ) {
+                if (!empty($cart_item)) {
                     // If the cart index item isn't the same item ID, don't remove it
-                    if ( !empty($cart_item['id']) && $cart_item['id'] != $item['id'] ) {
+                    if (!empty($cart_item['id']) && $cart_item['id'] != $item['id']) {
                         continue;
                     }
                 }
             }
 
-            $item_quantity = $this->items[ $key ]['quantity'];
-            if ( $item_quantity > $args['quantity'] ) {
-                $this->items[ $key ]['quantity'] -= $args['quantity'];
+            $item_quantity = $this->items[$key]['quantity'];
+            if ($item_quantity > $args['quantity']) {
+                $this->items[$key]['quantity'] -= $args['quantity'];
                 break;
             } else {
-                unset( $this->items[ $key ] );
+                unset($this->items[$key]);
                 break;
             }
         }
 
         $found_cart_key = false;
-        if ( false === $args['cart_index'] ) {
-            foreach ( $this->cart_details as $cart_key => $item ) {
-                if ( $item_id != $item['id'] ) {
+        if (false === $args['cart_index']) {
+            foreach ($this->cart_details as $cart_key => $item) {
+                if ($item_id != $item['id']) {
                     continue;
                 }
 
-                if ( false !== $args['item_price'] ) {
-                    if ( isset( $item['item_price'] ) && (float) $args['item_price'] != (float) $item['item_price'] ) {
+                if (false !== $args['item_price']) {
+                    if (isset($item['item_price']) && (float) $args['item_price'] != (float) $item['item_price']) {
                         continue;
                     }
                 }
@@ -1818,13 +1818,13 @@ 
                 break;
             }
         } else {
-            $cart_index = absint( $args['cart_index'] );
+            $cart_index = absint($args['cart_index']);
 
-            if ( ! array_key_exists( $cart_index, $this->cart_details ) ) {
+            if (!array_key_exists($cart_index, $this->cart_details)) {
                 return false; // Invalid cart index passed.
             }
 
-            if ( (int) $this->cart_details[ $cart_index ]['id'] > 0 && (int) $this->cart_details[ $cart_index ]['id'] !== (int) $item_id ) {
+            if ((int) $this->cart_details[$cart_index]['id'] > 0 && (int) $this->cart_details[$cart_index]['id'] !== (int) $item_id) {
                 return false; // We still need the proper Item ID to be sure.
             }
 
@@ -1832,41 +1832,41 @@ 
         }
         
         $cart_item  = $this->cart_details[$found_cart_key];
-        $quantity   = !empty( $cart_item['quantity'] ) ? $cart_item['quantity'] : 1;
+        $quantity   = !empty($cart_item['quantity']) ? $cart_item['quantity'] : 1;
         
-        if ( count( $this->cart_details ) == 1 && ( $quantity - $args['quantity'] ) < 1 ) {
+        if (count($this->cart_details) == 1 && ($quantity - $args['quantity']) < 1) {
             //return false; // Invoice must contain at least one item.
         }
         
-        $discounts  = $this->get_discounts();
+        $discounts = $this->get_discounts();
         
-        if ( $quantity > $args['quantity'] ) {
+        if ($quantity > $args['quantity']) {
             $item_price         = $cart_item['item_price'];
-            $tax_rate           = !empty( $cart_item['vat_rate'] ) ? $cart_item['vat_rate'] : 0;
+            $tax_rate           = !empty($cart_item['vat_rate']) ? $cart_item['vat_rate'] : 0;
             
-            $new_quantity       = max( $quantity - $args['quantity'], 1);
+            $new_quantity       = max($quantity - $args['quantity'], 1);
             $subtotal           = $item_price * $new_quantity;
             
             $args['quantity']   = $new_quantity;
-            $discount           = !empty( $cart_item['discount'] ) ? $cart_item['discount'] : 0;
-            $tax                = $subtotal > 0 && $tax_rate > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+            $discount           = !empty($cart_item['discount']) ? $cart_item['discount'] : 0;
+            $tax                = $subtotal > 0 && $tax_rate > 0 ? (($subtotal - $discount) * 0.01 * (float) $tax_rate) : 0;
             
-            $discount_decrease  = (float)$cart_item['discount'] > 0 && $quantity > 0 ? wpinv_round_amount( ( (float)$cart_item['discount'] / $quantity ) ) : 0;
-            $discount_decrease  = $discount > 0 && $subtotal > 0 && (float)$cart_item['discount'] > $discount ? (float)$cart_item['discount'] - $discount : $discount_decrease; 
-            $tax_decrease       = (float)$cart_item['tax'] > 0 && $quantity > 0 ? wpinv_round_amount( ( (float)$cart_item['tax'] / $quantity ) ) : 0;
-            $tax_decrease       = $tax > 0 && $subtotal > 0 && (float)$cart_item['tax'] > $tax ? (float)$cart_item['tax'] - $tax : $tax_decrease;
+            $discount_decrease  = (float) $cart_item['discount'] > 0 && $quantity > 0 ? wpinv_round_amount(((float) $cart_item['discount'] / $quantity)) : 0;
+            $discount_decrease  = $discount > 0 && $subtotal > 0 && (float) $cart_item['discount'] > $discount ? (float) $cart_item['discount'] - $discount : $discount_decrease; 
+            $tax_decrease       = (float) $cart_item['tax'] > 0 && $quantity > 0 ? wpinv_round_amount(((float) $cart_item['tax'] / $quantity)) : 0;
+            $tax_decrease       = $tax > 0 && $subtotal > 0 && (float) $cart_item['tax'] > $tax ? (float) $cart_item['tax'] - $tax : $tax_decrease;
             
             // The total increase equals the number removed * the item_price
-            $total_decrease     = wpinv_round_amount( $item_price );
+            $total_decrease     = wpinv_round_amount($item_price);
             
-            if ( wpinv_prices_include_tax() ) {
-                $subtotal -= wpinv_round_amount( $tax );
+            if (wpinv_prices_include_tax()) {
+                $subtotal -= wpinv_round_amount($tax);
             }
 
-            $total              = $subtotal - $discount + $tax;
+            $total = $subtotal - $discount + $tax;
 
             // Do not allow totals to go negative
-            if( $total < 0 ) {
+            if ($total < 0) {
                 $total = 0;
             }
             
@@ -1885,16 +1885,16 @@ 
             
             $this->cart_details[$found_cart_key] = $cart_item;
             
-            $remove_item = end( $this->cart_details );
+            $remove_item = end($this->cart_details);
         } else {
             $item_price     = $cart_item['item_price'];
-            $discount       = !empty( $cart_item['discount'] ) ? $cart_item['discount'] : 0;
-            $tax            = !empty( $cart_item['tax'] ) ? $cart_item['tax'] : 0;
+            $discount       = !empty($cart_item['discount']) ? $cart_item['discount'] : 0;
+            $tax            = !empty($cart_item['tax']) ? $cart_item['tax'] : 0;
         
-            $subtotal_decrease  = ( $item_price * $quantity ) - $discount;
+            $subtotal_decrease  = ($item_price * $quantity) - $discount;
             $tax_decrease       = $tax;
 
-            unset( $this->cart_details[$found_cart_key] );
+            unset($this->cart_details[$found_cart_key]);
             
             $remove_item             = $args;
             $remove_item['id']       = $item_id;
@@ -1905,8 +1905,8 @@ 
         $remove_item['action']      = 'remove';
         $this->pending['items'][]   = $remove_item;
                
-        $this->decrease_subtotal( $subtotal_decrease );
-        $this->decrease_tax( $tax_decrease );
+        $this->decrease_subtotal($subtotal_decrease);
+        $this->decrease_tax($tax_decrease);
         
         return true;
     }
@@ -1914,7 +1914,7 @@ 
     public function update_items($temp = false) {
         global $wpinv_euvat, $wpi_current_id, $wpi_item_id, $wpi_nosave;
         
-        if ( !empty( $this->cart_details ) ) {
+        if (!empty($this->cart_details)) {
             $wpi_nosave             = $temp;
             $cart_subtotal          = 0;
             $cart_discount          = 0;
@@ -1924,61 +1924,61 @@ 
             $_POST['wpinv_country'] = $this->country;
             $_POST['wpinv_state']   = $this->state;
             
-            foreach ( $this->cart_details as $key => $item ) {
+            foreach ($this->cart_details as $key => $item) {
                 $item_price = $item['item_price'];
-                $quantity   = wpinv_item_quantities_enabled() && $item['quantity'] > 0 ? absint( $item['quantity'] ) : 1;
-                $amount     = wpinv_round_amount( $item_price * $quantity );
+                $quantity   = wpinv_item_quantities_enabled() && $item['quantity'] > 0 ? absint($item['quantity']) : 1;
+                $amount     = wpinv_round_amount($item_price * $quantity);
                 $subtotal   = $item_price * $quantity;
                 
                 $wpi_current_id         = $this->ID;
                 $wpi_item_id            = $item['id'];
                 
-                $discount   = wpinv_get_cart_item_discount_amount( $item, $this->get_discounts() );
+                $discount   = wpinv_get_cart_item_discount_amount($item, $this->get_discounts());
                 
-                $tax_rate   = wpinv_get_tax_rate( $this->country, $this->state, $wpi_item_id );
-                $tax_class  = $wpinv_euvat->get_item_class( $wpi_item_id );
-                $tax        = $item_price > 0 ? ( ( $subtotal - $discount ) * 0.01 * (float)$tax_rate ) : 0;
+                $tax_rate   = wpinv_get_tax_rate($this->country, $this->state, $wpi_item_id);
+                $tax_class  = $wpinv_euvat->get_item_class($wpi_item_id);
+                $tax        = $item_price > 0 ? (($subtotal - $discount) * 0.01 * (float) $tax_rate) : 0;
 
-                if ( wpinv_prices_include_tax() ) {
-                    $subtotal -= wpinv_round_amount( $tax );
+                if (wpinv_prices_include_tax()) {
+                    $subtotal -= wpinv_round_amount($tax);
                 }
 
-                $total      = $subtotal - $discount + $tax;
+                $total = $subtotal - $discount + $tax;
 
                 // Do not allow totals to go negative
-                if( $total < 0 ) {
+                if ($total < 0) {
                     $total = 0;
                 }
 
                 $cart_details[] = array(
                     'id'          => $item['id'],
                     'name'        => $item['name'],
-                    'item_price'  => wpinv_round_amount( $item_price ),
-                    'custom_price'=> ( isset( $item['custom_price'] ) ? $item['custom_price'] : '' ),
+                    'item_price'  => wpinv_round_amount($item_price),
+                    'custom_price'=> (isset($item['custom_price']) ? $item['custom_price'] : ''),
                     'quantity'    => $quantity,
                     'discount'    => $discount,
-                    'subtotal'    => wpinv_round_amount( $subtotal ),
-                    'tax'         => wpinv_round_amount( $tax ),
-                    'price'       => wpinv_round_amount( $total ),
+                    'subtotal'    => wpinv_round_amount($subtotal),
+                    'tax'         => wpinv_round_amount($tax),
+                    'price'       => wpinv_round_amount($total),
                     'vat_rate'    => $tax_rate,
                     'vat_class'   => $tax_class,
                     'meta'        => isset($item['meta']) ? $item['meta'] : array(),
                     'fees'        => isset($item['fees']) ? $item['fees'] : array(),
                 );
                 
-                $cart_subtotal  += (float)($subtotal - $discount); // TODO
-                $cart_discount  += (float)($discount);
-                $cart_tax       += (float)($tax);
+                $cart_subtotal  += (float) ($subtotal - $discount); // TODO
+                $cart_discount  += (float) ($discount);
+                $cart_tax       += (float) ($tax);
             }
-            if ( $cart_subtotal < 0 ) {
+            if ($cart_subtotal < 0) {
                 $cart_subtotal = 0;
             }
-            if ( $cart_tax < 0 ) {
+            if ($cart_tax < 0) {
                 $cart_tax = 0;
             }
-            $this->subtotal = wpinv_round_amount( $cart_subtotal );
-            $this->tax      = wpinv_round_amount( $cart_tax );
-            $this->discount = wpinv_round_amount( $cart_discount );
+            $this->subtotal = wpinv_round_amount($cart_subtotal);
+            $this->tax      = wpinv_round_amount($cart_tax);
+            $this->discount = wpinv_round_amount($cart_discount);
             
             $this->recalculate_total();
             
@@ -1990,177 +1990,177 @@ 
     
     public function recalculate_totals($temp = false) {        
         $this->update_items($temp);
-        $this->save( true );
+        $this->save(true);
         
         return $this;
     }
     
     public function needs_payment() {
-        $valid_invoice_statuses = apply_filters( 'wpinv_valid_invoice_statuses_for_payment', array( 'wpi-pending' ), $this );
+        $valid_invoice_statuses = apply_filters('wpinv_valid_invoice_statuses_for_payment', array('wpi-pending'), $this);
 
-        if ( $this->has_status( $valid_invoice_statuses ) && ( $this->get_total() > 0 || $this->is_free_trial() || $this->is_free() || $this->is_initial_free() ) ) {
+        if ($this->has_status($valid_invoice_statuses) && ($this->get_total() > 0 || $this->is_free_trial() || $this->is_free() || $this->is_initial_free())) {
             $needs_payment = true;
         } else {
             $needs_payment = false;
         }
 
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this, $valid_invoice_statuses );
+        return apply_filters('wpinv_needs_payment', $needs_payment, $this, $valid_invoice_statuses);
     }
     
-    public function get_checkout_payment_url( $with_key = false, $secret = false ) {
+    public function get_checkout_payment_url($with_key = false, $secret = false) {
         $pay_url = wpinv_get_checkout_uri();
 
-        if ( is_ssl() ) {
-            $pay_url = str_replace( 'http:', 'https:', $pay_url );
+        if (is_ssl()) {
+            $pay_url = str_replace('http:', 'https:', $pay_url);
         }
         
         $key = $this->get_key();
 
-        if ( $with_key ) {
-            $pay_url = add_query_arg( 'invoice_key', $key, $pay_url );
+        if ($with_key) {
+            $pay_url = add_query_arg('invoice_key', $key, $pay_url);
         } else {
-            $pay_url = add_query_arg( array( 'wpi_action' => 'pay_for_invoice', 'invoice_key' => $key ), $pay_url );
+            $pay_url = add_query_arg(array('wpi_action' => 'pay_for_invoice', 'invoice_key' => $key), $pay_url);
         }
         
-        if ( $secret ) {
-            $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $key ) ), $pay_url );
+        if ($secret) {
+            $pay_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $key)), $pay_url);
         }
 
-        return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $with_key, $secret );
+        return apply_filters('wpinv_get_checkout_payment_url', $pay_url, $this, $with_key, $secret);
     }
     
-    public function get_view_url( $with_key = false ) {
-        $invoice_url = get_permalink( $this->ID );
+    public function get_view_url($with_key = false) {
+        $invoice_url = get_permalink($this->ID);
 
-        if ( $with_key ) {
-            $invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
+        if ($with_key) {
+            $invoice_url = add_query_arg('invoice_key', $this->get_key(), $invoice_url);
         }
 
-        return apply_filters( 'wpinv_get_view_url', $invoice_url, $this, $with_key );
+        return apply_filters('wpinv_get_view_url', $invoice_url, $this, $with_key);
     }
     
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
-        return strtolower( md5( $string . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) ) );  // Unique key
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
+        return strtolower(md5($string . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))); // Unique key
     }
     
     public function is_recurring() {
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return false;
         }
         
         $has_subscription = false;
-        foreach( $this->cart_details as $cart_item ) {
-            if ( !empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] )  ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $has_subscription = true;
                 break;
             }
         }
         
-        if ( count( $this->cart_details ) > 1 ) {
+        if (count($this->cart_details) > 1) {
             $has_subscription = false;
         }
 
-        return apply_filters( 'wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details );
+        return apply_filters('wpinv_invoice_has_recurring_item', $has_subscription, $this->cart_details);
     }
     
     public function is_free_trial() {
         $is_free_trial = false;
         
-        if ( $this->is_parent() && $item = $this->get_recurring( true ) ) {
-            if ( !empty( $item ) && $item->has_free_trial() ) {
+        if ($this->is_parent() && $item = $this->get_recurring(true)) {
+            if (!empty($item) && $item->has_free_trial()) {
                 $is_free_trial = true;
             }
         }
 
-        return apply_filters( 'wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details );
+        return apply_filters('wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details);
     }
     
     public function is_initial_free() {
         $is_initial_free = false;
         
-        if ( ! ( (float)wpinv_round_amount( $this->get_total() ) > 0 ) && $this->is_parent() && $this->is_recurring() && ! $this->is_free_trial() && ! $this->is_free() ) {
+        if (!((float) wpinv_round_amount($this->get_total()) > 0) && $this->is_parent() && $this->is_recurring() && !$this->is_free_trial() && !$this->is_free()) {
             $is_initial_free = true;
         }
 
-        return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->cart_details );
+        return apply_filters('wpinv_invoice_is_initial_free', $is_initial_free, $this->cart_details);
     }
     
-    public function get_recurring( $object = false ) {
+    public function get_recurring($object = false) {
         $item = NULL;
         
-        if ( empty( $this->cart_details ) ) {
+        if (empty($this->cart_details)) {
             return $item;
         }
         
-        foreach( $this->cart_details as $cart_item ) {
-            if ( !empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] )  ) {
+        foreach ($this->cart_details as $cart_item) {
+            if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
                 $item = $cart_item['id'];
                 break;
             }
         }
         
-        if ( $object ) {
-            $item = $item ? new WPInv_Item( $item ) : NULL;
+        if ($object) {
+            $item = $item ? new WPInv_Item($item) : NULL;
             
-            apply_filters( 'wpinv_invoice_get_recurring_item', $item, $this );
+            apply_filters('wpinv_invoice_get_recurring_item', $item, $this);
         }
 
-        return apply_filters( 'wpinv_invoice_get_recurring_item_id', $item, $this );
+        return apply_filters('wpinv_invoice_get_recurring_item_id', $item, $this);
     }
     
     public function get_subscription_name() {
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return NULL;
         }
         
-        if ( !($name = $item->get_name()) ) {
+        if (!($name = $item->get_name())) {
             $name = $item->post_name;
         }
 
-        return apply_filters( 'wpinv_invoice_get_subscription_name', $name, $this );
+        return apply_filters('wpinv_invoice_get_subscription_name', $name, $this);
     }
     
     public function get_subscription_id() {
-        $subscription_id = $this->get_meta( '_wpinv_subscr_profile_id', true );
+        $subscription_id = $this->get_meta('_wpinv_subscr_profile_id', true);
         
-        if ( empty( $subscription_id ) && !empty( $this->parent_invoice ) ) {
-            $parent_invoice = wpinv_get_invoice( $this->parent_invoice );
+        if (empty($subscription_id) && !empty($this->parent_invoice)) {
+            $parent_invoice = wpinv_get_invoice($this->parent_invoice);
             
-            $subscription_id = $parent_invoice->get_meta( '_wpinv_subscr_profile_id', true );
+            $subscription_id = $parent_invoice->get_meta('_wpinv_subscr_profile_id', true);
         }
         
         return $subscription_id;
     }
     
     public function is_parent() {
-        $is_parent = empty( $this->parent_invoice ) ? true : false;
+        $is_parent = empty($this->parent_invoice) ? true : false;
 
-        return apply_filters( 'wpinv_invoice_is_parent', $is_parent, $this );
+        return apply_filters('wpinv_invoice_is_parent', $is_parent, $this);
     }
     
     public function is_renewal() {
         $is_renewal = $this->parent_invoice && $this->parent_invoice != $this->ID ? true : false;
 
-        return apply_filters( 'wpinv_invoice_is_renewal', $is_renewal, $this );
+        return apply_filters('wpinv_invoice_is_renewal', $is_renewal, $this);
     }
     
     public function get_parent_payment() {
         $parent_payment = NULL;
         
-        if ( $this->is_renewal() ) {
-            $parent_payment = wpinv_get_invoice( $this->parent_invoice );
+        if ($this->is_renewal()) {
+            $parent_payment = wpinv_get_invoice($this->parent_invoice);
         }
         
         return $parent_payment;
     }
     
     public function is_paid() {
-        $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
+        $is_paid = $this->has_status(array('publish', 'wpi-processing', 'wpi-renewal'));
 
-        return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
+        return apply_filters('wpinv_invoice_is_paid', $is_paid, $this);
     }
 
     /**
@@ -2173,23 +2173,23 @@ 
     }
     
     public function is_refunded() {
-        $is_refunded = $this->has_status( array( 'wpi-refunded' ) );
+        $is_refunded = $this->has_status(array('wpi-refunded'));
 
-        return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
+        return apply_filters('wpinv_invoice_is_refunded', $is_refunded, $this);
     }
     
     public function is_free() {
         $is_free = false;
         
-        if ( !( (float)wpinv_round_amount( $this->get_total() ) > 0 ) ) {
-            if ( $this->is_parent() && $this->is_recurring() ) {
-                $is_free = (float)wpinv_round_amount( $this->get_recurring_details( 'total' ) ) > 0 ? false : true;
+        if (!((float) wpinv_round_amount($this->get_total()) > 0)) {
+            if ($this->is_parent() && $this->is_recurring()) {
+                $is_free = (float) wpinv_round_amount($this->get_recurring_details('total')) > 0 ? false : true;
             } else {
                 $is_free = true;
             }
         }
         
-        return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
+        return apply_filters('wpinv_invoice_is_free', $is_free, $this);
     }
     
     public function has_vat() {
@@ -2197,41 +2197,41 @@ 
         
         $requires_vat = false;
         
-        if ( $this->country ) {
+        if ($this->country) {
             $wpi_country        = $this->country;
             
-            $requires_vat       = $wpinv_euvat->requires_vat( $requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule( $this ) );
+            $requires_vat       = $wpinv_euvat->requires_vat($requires_vat, $this->get_user_id(), $wpinv_euvat->invoice_has_digital_rule($this));
         }
         
-        return apply_filters( 'wpinv_invoice_has_vat', $requires_vat, $this );
+        return apply_filters('wpinv_invoice_has_vat', $requires_vat, $this);
     }
     
     public function refresh_item_ids() {
         $item_ids = array();
         
-        if ( !empty( $this->cart_details ) ) {
-            foreach ( $this->cart_details as $key => $item ) {
-                if ( !empty( $item['id'] ) ) {
+        if (!empty($this->cart_details)) {
+            foreach ($this->cart_details as $key => $item) {
+                if (!empty($item['id'])) {
                     $item_ids[] = $item['id'];
                 }
             }
         }
         
-        $item_ids = !empty( $item_ids ) ? implode( ',', array_unique( $item_ids ) ) : '';
+        $item_ids = !empty($item_ids) ? implode(',', array_unique($item_ids)) : '';
         
-        update_post_meta( $this->ID, '_wpinv_item_ids', $item_ids );
+        update_post_meta($this->ID, '_wpinv_item_ids', $item_ids);
     }
     
-    public function get_invoice_quote_type( $post_id ) {
-        if ( empty( $post_id ) ) {
+    public function get_invoice_quote_type($post_id) {
+        if (empty($post_id)) {
             return '';
         }
 
-        $type = get_post_type( $post_id );
+        $type = get_post_type($post_id);
 
-        if ( 'wpi_invoice' === $type ) {
+        if ('wpi_invoice' === $type) {
             $post_type = __('Invoice', 'invoicing');
-        } else{
+        } else {
             $post_type = __('Quote', 'invoicing');
         }
 

includes/wpinv-discount-functions.php

Spacing +396 added lines, -396 removed lines

@@ -7,110 +7,110 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_get_discount_types() {
     $discount_types = array(
-                        'percent'   => __( 'Percentage', 'invoicing' ),
-                        'flat'     => __( 'Flat Amount', 'invoicing' ),
+                        'percent'   => __('Percentage', 'invoicing'),
+                        'flat'     => __('Flat Amount', 'invoicing'),
                     );
-    return (array)apply_filters( 'wpinv_discount_types', $discount_types );
+    return (array) apply_filters('wpinv_discount_types', $discount_types);
 }
 
-function wpinv_get_discount_type_name( $type = '' ) {
+function wpinv_get_discount_type_name($type = '') {
     $types = wpinv_get_discount_types();
-    return isset( $types[ $type ] ) ? $types[ $type ] : '';
+    return isset($types[$type]) ? $types[$type] : '';
 }
 
-function wpinv_delete_discount( $data ) {
-    if ( ! isset( $data['_wpnonce'] ) || ! wp_verify_nonce( $data['_wpnonce'], 'wpinv_discount_nonce' ) ) {
-        wp_die( __( 'Trying to cheat or something?', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+function wpinv_delete_discount($data) {
+    if (!isset($data['_wpnonce']) || !wp_verify_nonce($data['_wpnonce'], 'wpinv_discount_nonce')) {
+        wp_die(__('Trying to cheat or something?', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
-    if( ! wpinv_current_user_can_manage_invoicing() ) {
-        wp_die( __( 'You do not have permission to delete discount codes', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    if (!wpinv_current_user_can_manage_invoicing()) {
+        wp_die(__('You do not have permission to delete discount codes', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
     $discount_id = $data['discount'];
-    wpinv_remove_discount( $discount_id );
+    wpinv_remove_discount($discount_id);
 }
-add_action( 'wpinv_delete_discount', 'wpinv_delete_discount' );
+add_action('wpinv_delete_discount', 'wpinv_delete_discount');
 
-function wpinv_activate_discount( $data ) {
-    if ( ! isset( $data['_wpnonce'] ) || ! wp_verify_nonce( $data['_wpnonce'], 'wpinv_discount_nonce' ) ) {
-        wp_die( __( 'Trying to cheat or something?', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+function wpinv_activate_discount($data) {
+    if (!isset($data['_wpnonce']) || !wp_verify_nonce($data['_wpnonce'], 'wpinv_discount_nonce')) {
+        wp_die(__('Trying to cheat or something?', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
-    if( ! wpinv_current_user_can_manage_invoicing() ) {
-        wp_die( __( 'You do not have permission to edit discount codes', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    if (!wpinv_current_user_can_manage_invoicing()) {
+        wp_die(__('You do not have permission to edit discount codes', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
-    $id = absint( $data['discount'] );
-    wpinv_update_discount_status( $id, 'publish' );
+    $id = absint($data['discount']);
+    wpinv_update_discount_status($id, 'publish');
 }
-add_action( 'wpinv_activate_discount', 'wpinv_activate_discount' );
+add_action('wpinv_activate_discount', 'wpinv_activate_discount');
 
-function wpinv_deactivate_discount( $data ) {
-    if ( ! isset( $data['_wpnonce'] ) || ! wp_verify_nonce( $data['_wpnonce'], 'wpinv_discount_nonce' ) ) {
-        wp_die( __( 'Trying to cheat or something?', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+function wpinv_deactivate_discount($data) {
+    if (!isset($data['_wpnonce']) || !wp_verify_nonce($data['_wpnonce'], 'wpinv_discount_nonce')) {
+        wp_die(__('Trying to cheat or something?', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
     }
 
-    if( ! wpinv_current_user_can_manage_invoicing() ) {
-        wp_die( __( 'You do not have permission to create discount codes', 'invoicing' ), array( 'response' => 403 ) );
+    if (!wpinv_current_user_can_manage_invoicing()) {
+        wp_die(__('You do not have permission to create discount codes', 'invoicing'), array('response' => 403));
     }
 
-    $id = absint( $data['discount'] );
-    wpinv_update_discount_status( $id, 'pending' );
+    $id = absint($data['discount']);
+    wpinv_update_discount_status($id, 'pending');
 }
-add_action( 'wpinv_deactivate_discount', 'wpinv_deactivate_discount' );
+add_action('wpinv_deactivate_discount', 'wpinv_deactivate_discount');
 
-function wpinv_get_discounts( $args = array() ) {
+function wpinv_get_discounts($args = array()) {
     $defaults = array(
         'post_type'      => 'wpi_discount',
         'posts_per_page' => 20,
         'paged'          => null,
-        'post_status'    => array( 'publish', 'pending', 'draft', 'expired' )
+        'post_status'    => array('publish', 'pending', 'draft', 'expired')
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $discounts = get_posts( $args );
+    $discounts = get_posts($args);
 
-    if ( $discounts ) {
+    if ($discounts) {
         return $discounts;
     }
 
-    if( ! $discounts && ! empty( $args['s'] ) ) {
+    if (!$discounts && !empty($args['s'])) {
         $args['meta_key']     = '_wpi_discount_code';
         $args['meta_value']   = $args['s'];
         $args['meta_compare'] = 'LIKE';
-        unset( $args['s'] );
-        $discounts = get_posts( $args );
+        unset($args['s']);
+        $discounts = get_posts($args);
     }
 
-    if( $discounts ) {
+    if ($discounts) {
         return $discounts;
     }
 
     return false;
 }
 
-function wpinv_get_all_discounts( $args = array() ) {
+function wpinv_get_all_discounts($args = array()) {
 
-    $args = wp_parse_args( $args, array(
-        'status'         => array( 'publish' ),
-        'limit'          => get_option( 'posts_per_page' ),
+    $args = wp_parse_args($args, array(
+        'status'         => array('publish'),
+        'limit'          => get_option('posts_per_page'),
         'page'           => 1,
         'exclude'        => array(),
         'orderby'        => 'date',
         'order'          => 'DESC',
-        'type'           => array_keys( wpinv_get_discount_types() ),
+        'type'           => array_keys(wpinv_get_discount_types()),
         'meta_query'     => array(),
         'return'         => 'objects',
         'paginate'       => false,
-    ) );
+    ));
 
     $wp_query_args = array(
         'post_type'      => 'wpi_discount',
@@ -120,18 +120,18 @@ 
         'fields'         => 'ids',
         'orderby'        => $args['orderby'],
         'order'          => $args['order'],
-        'paged'          => absint( $args['page'] ),
+        'paged'          => absint($args['page']),
     );
 
-    if ( ! empty( $args['exclude'] ) ) {
-        $wp_query_args['post__not_in'] = array_map( 'absint', $args['exclude'] );
+    if (!empty($args['exclude'])) {
+        $wp_query_args['post__not_in'] = array_map('absint', $args['exclude']);
     }
 
-    if ( ! $args['paginate' ] ) {
+    if (!$args['paginate']) {
         $wp_query_args['no_found_rows'] = true;
     }
 
-    if ( ! empty( $args['search'] ) ) {
+    if (!empty($args['search'])) {
 
         $wp_query_args['meta_query'][] = array(
             'key'     => '_wpi_discount_code',
@@ -141,11 +141,11 @@ 
 
     }
     
-    if ( ! empty( $args['type'] ) ) {
-        $types = wpinv_parse_list( $args['type'] );
+    if (!empty($args['type'])) {
+        $types = wpinv_parse_list($args['type']);
         $wp_query_args['meta_query'][] = array(
             'key'     => '_wpi_discount_type',
-            'value'   => implode( ',', $types ),
+            'value'   => implode(',', $types),
             'compare' => 'IN',
         );
     }
@@ -153,17 +153,17 @@ 
     $wp_query_args = apply_filters('wpinv_get_discount_args', $wp_query_args, $args);
 
     // Get results.
-    $discounts = new WP_Query( $wp_query_args );
+    $discounts = new WP_Query($wp_query_args);
 
-    if ( 'objects' === $args['return'] ) {
-        $return = array_map( 'get_post', $discounts->posts );
-    } elseif ( 'self' === $args['return'] ) {
+    if ('objects' === $args['return']) {
+        $return = array_map('get_post', $discounts->posts);
+    } elseif ('self' === $args['return']) {
         return $discounts;
     } else {
         $return = $discounts->posts;
     }
 
-    if ( $args['paginate' ] ) {
+    if ($args['paginate']) {
         return (object) array(
             'discounts'      => $return,
             'total'         => $discounts->found_posts,
@@ -180,9 +180,9 @@ 
 
     $discounts  = wpinv_get_discounts();
 
-    if ( $discounts) {
-        foreach ( $discounts as $discount ) {
-            if ( wpinv_is_discount_active( $discount->ID ) ) {
+    if ($discounts) {
+        foreach ($discounts as $discount) {
+            if (wpinv_is_discount_active($discount->ID)) {
                 $has_active = true;
                 break;
             }
@@ -191,16 +191,16 @@ 
     return $has_active;
 }
 
-function wpinv_get_discount( $discount_id = 0 ) {
-    if( empty( $discount_id ) ) {
+function wpinv_get_discount($discount_id = 0) {
+    if (empty($discount_id)) {
         return false;
     }
     
-    if ( get_post_type( $discount_id ) != 'wpi_discount' ) {
+    if (get_post_type($discount_id) != 'wpi_discount') {
         return false;
     }
 
-    $discount = get_post( $discount_id );
+    $discount = get_post($discount_id);
 
     return $discount;
 }
@@ -212,8 +212,8 @@ 
  * @since 1.0.15
  * @return WPInv_Discount
  */
-function wpinv_get_discount_obj( $discount = 0 ) {
-    return new WPInv_Discount( $discount );
+function wpinv_get_discount_obj($discount = 0) {
+    return new WPInv_Discount($discount);
 }
 
 /**
@@ -222,8 +222,8 @@ 
  * @param string $code The discount code.
  * @return bool|WP_Post
  */
-function wpinv_get_discount_by_code( $code = '' ) {
-    return wpinv_get_discount_by( 'code', $code );
+function wpinv_get_discount_by_code($code = '') {
+    return wpinv_get_discount_by('code', $code);
 }
 
 /**
@@ -233,13 +233,13 @@ 
  * @param string|int $value The field value
  * @return bool|WP_Post
  */
-function wpinv_get_discount_by( $field = '', $value = '' ) {
-    $data = WPInv_Discount::get_data_by( $field, $value );
-    if( empty( $data ) ) {
+function wpinv_get_discount_by($field = '', $value = '') {
+    $data = WPInv_Discount::get_data_by($field, $value);
+    if (empty($data)) {
         return false;
     }
 
-    return get_post( $data['ID'] );
+    return get_post($data['ID']);
 }
 
 /**
@@ -249,68 +249,68 @@ 
  * @param array $data The discount's properties.
  * @return bool
  */
-function wpinv_store_discount( $post_id, $data, $post, $update = false ) {
+function wpinv_store_discount($post_id, $data, $post, $update = false) {
     $meta = array(
-        'code'              => isset( $data['code'] )             ? sanitize_text_field( $data['code'] )              : '',
-        'type'              => isset( $data['type'] )             ? sanitize_text_field( $data['type'] )              : 'percent',
-        'amount'            => isset( $data['amount'] )           ? wpinv_sanitize_amount( $data['amount'] )          : '',
-        'start'             => isset( $data['start'] )            ? sanitize_text_field( $data['start'] )             : '',
-        'expiration'        => isset( $data['expiration'] )       ? sanitize_text_field( $data['expiration'] )        : '',
-        'min_total'         => isset( $data['min_total'] )        ? wpinv_sanitize_amount( $data['min_total'] )       : '',
-        'max_total'         => isset( $data['max_total'] )        ? wpinv_sanitize_amount( $data['max_total'] )       : '',
-        'max_uses'          => isset( $data['max_uses'] )         ? absint( $data['max_uses'] )                       : '',
-        'items'             => isset( $data['items'] )            ? $data['items']                                    : array(),
-        'excluded_items'    => isset( $data['excluded_items'] )   ? $data['excluded_items']                           : array(),
-        'is_recurring'      => isset( $data['recurring'] )        ? (bool)$data['recurring']                          : false,
-        'is_single_use'     => isset( $data['single_use'] )       ? (bool)$data['single_use']                         : false,
-        'uses'              => isset( $data['uses'] )             ? (int)$data['uses']                                : false,
+        'code'              => isset($data['code']) ? sanitize_text_field($data['code']) : '',
+        'type'              => isset($data['type']) ? sanitize_text_field($data['type']) : 'percent',
+        'amount'            => isset($data['amount']) ? wpinv_sanitize_amount($data['amount']) : '',
+        'start'             => isset($data['start']) ? sanitize_text_field($data['start']) : '',
+        'expiration'        => isset($data['expiration']) ? sanitize_text_field($data['expiration']) : '',
+        'min_total'         => isset($data['min_total']) ? wpinv_sanitize_amount($data['min_total']) : '',
+        'max_total'         => isset($data['max_total']) ? wpinv_sanitize_amount($data['max_total']) : '',
+        'max_uses'          => isset($data['max_uses']) ? absint($data['max_uses']) : '',
+        'items'             => isset($data['items']) ? $data['items'] : array(),
+        'excluded_items'    => isset($data['excluded_items']) ? $data['excluded_items'] : array(),
+        'is_recurring'      => isset($data['recurring']) ? (bool) $data['recurring'] : false,
+        'is_single_use'     => isset($data['single_use']) ? (bool) $data['single_use'] : false,
+        'uses'              => isset($data['uses']) ? (int) $data['uses'] : false,
     );
 
-    if ( $meta['type'] == 'percent' && (float)$meta['amount'] > 100 ) {
+    if ($meta['type'] == 'percent' && (float) $meta['amount'] > 100) {
         $meta['amount'] = 100;
     }
 
-    if ( !empty( $meta['start'] ) ) {
-        $meta['start']      = date_i18n( 'Y-m-d H:i:s', strtotime( $meta['start'] ) );
+    if (!empty($meta['start'])) {
+        $meta['start'] = date_i18n('Y-m-d H:i:s', strtotime($meta['start']));
     }
 
-    if ( !empty( $meta['expiration'] ) ) {
-        $meta['expiration'] = date_i18n( 'Y-m-d H:i:s', strtotime( $meta['expiration'] ) );
+    if (!empty($meta['expiration'])) {
+        $meta['expiration'] = date_i18n('Y-m-d H:i:s', strtotime($meta['expiration']));
 
-        if ( !empty( $meta['start'] ) && strtotime( $meta['start'] ) > strtotime( $meta['expiration'] ) ) {
+        if (!empty($meta['start']) && strtotime($meta['start']) > strtotime($meta['expiration'])) {
             $meta['expiration'] = $meta['start'];
         }
     }
     
-    if ( $meta['uses'] === false ) {
-        unset( $meta['uses'] );
+    if ($meta['uses'] === false) {
+        unset($meta['uses']);
     }
     
-    if ( ! empty( $meta['items'] ) ) {
-        foreach ( $meta['items'] as $key => $item ) {
-            if ( 0 === intval( $item ) ) {
-                unset( $meta['items'][ $key ] );
+    if (!empty($meta['items'])) {
+        foreach ($meta['items'] as $key => $item) {
+            if (0 === intval($item)) {
+                unset($meta['items'][$key]);
             }
         }
     }
     
-    if ( ! empty( $meta['excluded_items'] ) ) {
-        foreach ( $meta['excluded_items'] as $key => $item ) {
-            if ( 0 === intval( $item ) ) {
-                unset( $meta['excluded_items'][ $key ] );
+    if (!empty($meta['excluded_items'])) {
+        foreach ($meta['excluded_items'] as $key => $item) {
+            if (0 === intval($item)) {
+                unset($meta['excluded_items'][$key]);
             }
         }
     }
     
-    $meta = apply_filters( 'wpinv_update_discount', $meta, $post_id, $post );
+    $meta = apply_filters('wpinv_update_discount', $meta, $post_id, $post);
     
-    do_action( 'wpinv_pre_update_discount', $meta, $post_id, $post );
+    do_action('wpinv_pre_update_discount', $meta, $post_id, $post);
     
-    foreach( $meta as $key => $value ) {
-        update_post_meta( $post_id, '_wpi_discount_' . $key, $value );
+    foreach ($meta as $key => $value) {
+        update_post_meta($post_id, '_wpi_discount_' . $key, $value);
     }
     
-    do_action( 'wpinv_post_update_discount', $meta, $post_id, $post );
+    do_action('wpinv_post_update_discount', $meta, $post_id, $post);
     
     return $post_id;
 }
@@ -321,10 +321,10 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_remove_discount( $discount = 0 ) {
+function wpinv_remove_discount($discount = 0) {
 
-    $discount = wpinv_get_discount_obj( $discount );
-    if( ! $discount->exists() ) {
+    $discount = wpinv_get_discount_obj($discount);
+    if (!$discount->exists()) {
         return false;
     }
 
@@ -339,9 +339,9 @@ 
  * @param string $new_status
  * @return bool
  */
-function wpinv_update_discount_status( $discount = 0, $new_status = 'publish' ) {
-    $discount = wpinv_get_discount_obj( $discount );
-    return $discount->update_status( $new_status );
+function wpinv_update_discount_status($discount = 0, $new_status = 'publish') {
+    $discount = wpinv_get_discount_obj($discount);
+    return $discount->update_status($new_status);
 }
 
 /**
@@ -350,48 +350,48 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_discount_exists( $discount ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_discount_exists($discount) {
+    $discount = wpinv_get_discount_obj($discount);
     return $discount->exists();
 }
 
-function wpinv_is_discount_active( $code_id = null ) {
-    $discount = wpinv_get_discount(  $code_id );
+function wpinv_is_discount_active($code_id = null) {
+    $discount = wpinv_get_discount($code_id);
     $return   = false;
 
-    if ( $discount ) {
-        if ( wpinv_is_discount_expired( $code_id ) ) {
-            if( defined( 'DOING_AJAX' ) ) {
-                wpinv_set_error( 'wpinv-discount-error', __( 'This discount is expired.', 'invoicing' ) );
+    if ($discount) {
+        if (wpinv_is_discount_expired($code_id)) {
+            if (defined('DOING_AJAX')) {
+                wpinv_set_error('wpinv-discount-error', __('This discount is expired.', 'invoicing'));
             }
-        } elseif ( $discount->post_status == 'publish' ) {
+        } elseif ($discount->post_status == 'publish') {
             $return = true;
         } else {
-            if( defined( 'DOING_AJAX' ) ) {
-                wpinv_set_error( 'wpinv-discount-error', __( 'This discount is not active.', 'invoicing' ) );
+            if (defined('DOING_AJAX')) {
+                wpinv_set_error('wpinv-discount-error', __('This discount is not active.', 'invoicing'));
             }
         }
     }
 
-    return apply_filters( 'wpinv_is_discount_active', $return, $code_id );
+    return apply_filters('wpinv_is_discount_active', $return, $code_id);
 }
 
-function wpinv_get_discount_code( $code_id = null ) {
-    $code = get_post_meta( $code_id, '_wpi_discount_code', true );
+function wpinv_get_discount_code($code_id = null) {
+    $code = get_post_meta($code_id, '_wpi_discount_code', true);
 
-    return apply_filters( 'wpinv_get_discount_code', $code, $code_id );
+    return apply_filters('wpinv_get_discount_code', $code, $code_id);
 }
 
-function wpinv_get_discount_start_date( $code_id = null ) {
-    $start_date = get_post_meta( $code_id, '_wpi_discount_start', true );
+function wpinv_get_discount_start_date($code_id = null) {
+    $start_date = get_post_meta($code_id, '_wpi_discount_start', true);
 
-    return apply_filters( 'wpinv_get_discount_start_date', $start_date, $code_id );
+    return apply_filters('wpinv_get_discount_start_date', $start_date, $code_id);
 }
 
-function wpinv_get_discount_expiration( $code_id = null ) {
-    $expiration = get_post_meta( $code_id, '_wpi_discount_expiration', true );
+function wpinv_get_discount_expiration($code_id = null) {
+    $expiration = get_post_meta($code_id, '_wpi_discount_expiration', true);
 
-    return apply_filters( 'wpinv_get_discount_expiration', $expiration, $code_id );
+    return apply_filters('wpinv_get_discount_expiration', $expiration, $code_id);
 }
 
 /**
@@ -400,8 +400,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return int
  */
-function wpinv_get_discount_max_uses( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_max_uses($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return (int) $discount->max_uses;
 }
 
@@ -411,8 +411,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return int
  */
-function wpinv_get_discount_uses( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_uses($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return (int) $discount->uses;
 }
 
@@ -422,8 +422,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return float
  */
-function wpinv_get_discount_min_total( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_min_total($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return (float) $discount->min_total;
 }
 
@@ -433,8 +433,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return float
  */
-function wpinv_get_discount_max_total( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_max_total($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return (float) $discount->max_total;
 }
 
@@ -444,8 +444,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return float
  */
-function wpinv_get_discount_amount( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_amount($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return (float) $discount->amount;
 }
 
@@ -456,28 +456,28 @@ 
  * @param bool $name 
  * @return string
  */
-function wpinv_get_discount_type( $discount = array(), $name = false ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_type($discount = array(), $name = false) {
+    $discount = wpinv_get_discount_obj($discount);
 
     // Are we returning the name or just the type.
-    if( $name ) {
+    if ($name) {
         return $discount->type_name;
     }
 
     return $discount->type;
 }
 
-function wpinv_discount_status( $status ) {
-    switch( $status ){
+function wpinv_discount_status($status) {
+    switch ($status) {
         case 'expired' :
-            $name = __( 'Expired', 'invoicing' );
+            $name = __('Expired', 'invoicing');
             break;
         case 'publish' :
         case 'active' :
-            $name = __( 'Active', 'invoicing' );
+            $name = __('Active', 'invoicing');
             break;
         default :
-            $name = __( 'Inactive', 'invoicing' );
+            $name = __('Inactive', 'invoicing');
             break;
     }
     return $name;
@@ -489,8 +489,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return array
  */
-function wpinv_get_discount_excluded_items( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_excluded_items($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return $discount->excluded_items;
 }
 
@@ -500,17 +500,17 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return array
  */
-function wpinv_get_discount_item_reqs( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_get_discount_item_reqs($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     return $discount->items;
 }
 
-function wpinv_get_discount_item_condition( $code_id = 0 ) {
-    return get_post_meta( $code_id, '_wpi_discount_item_condition', true );
+function wpinv_get_discount_item_condition($code_id = 0) {
+    return get_post_meta($code_id, '_wpi_discount_item_condition', true);
 }
 
-function wpinv_is_discount_not_global( $code_id = 0 ) {
-    return (bool) get_post_meta( $code_id, '_wpi_discount_is_not_global', true );
+function wpinv_is_discount_not_global($code_id = 0) {
+    return (bool) get_post_meta($code_id, '_wpi_discount_is_not_global', true);
 }
 
 /**
@@ -519,14 +519,14 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_is_discount_expired( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_is_discount_expired($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
 
-    if ( $discount->is_expired() ) {
-        $discount->update_status( 'pending' );
+    if ($discount->is_expired()) {
+        $discount->update_status('pending');
 
-        if( empty( $started ) ) {
-            wpinv_set_error( 'wpinv-discount-error', __( 'This discount has expired.', 'invoicing' ) );
+        if (empty($started)) {
+            wpinv_set_error('wpinv-discount-error', __('This discount has expired.', 'invoicing'));
         }
         return true;
     }
@@ -540,12 +540,12 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_is_discount_started( $discount = array() ) {
-    $discount = wpinv_get_discount_obj( $discount );
+function wpinv_is_discount_started($discount = array()) {
+    $discount = wpinv_get_discount_obj($discount);
     $started  = $discount->has_started();
 
-    if( empty( $started ) ) {
-        wpinv_set_error( 'wpinv-discount-error', __( 'This discount is not active yet.', 'invoicing' ) );
+    if (empty($started)) {
+        wpinv_set_error('wpinv-discount-error', __('This discount is not active yet.', 'invoicing'));
     }
 
     return $started;
@@ -557,10 +557,10 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_check_discount_dates( $discount ) {
-    $discount = wpinv_get_discount_obj( $discount );
-    $return   = wpinv_is_discount_started( $discount ) && ! wpinv_is_discount_expired( $discount );
-    return apply_filters( 'wpinv_check_discount_dates', $return, $discount->ID, $discount, $discount->code );
+function wpinv_check_discount_dates($discount) {
+    $discount = wpinv_get_discount_obj($discount);
+    $return   = wpinv_is_discount_started($discount) && !wpinv_is_discount_expired($discount);
+    return apply_filters('wpinv_check_discount_dates', $return, $discount->ID, $discount, $discount->code);
 }
 
 /**
@@ -569,12 +569,12 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_is_discount_maxed_out( $discount ) {
-    $discount    = wpinv_get_discount_obj( $discount );
+function wpinv_is_discount_maxed_out($discount) {
+    $discount    = wpinv_get_discount_obj($discount);
     $maxed_out   = $discount->has_exceeded_limit();
 
-    if ( $maxed_out ) {
-        wpinv_set_error( 'wpinv-discount-error', __( 'This discount has reached its maximum usage.', 'invoicing' ) );
+    if ($maxed_out) {
+        wpinv_set_error('wpinv-discount-error', __('This discount has reached its maximum usage.', 'invoicing'));
     }
 
     return $maxed_out;
@@ -586,13 +586,13 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_discount_is_min_met( $discount ) {
-    $discount    = wpinv_get_discount_obj( $discount );
-    $cart_amount = (float)wpinv_get_cart_discountable_subtotal( $discount->ID );
-    $min_met     = $discount->is_minimum_amount_met( $cart_amount );
+function wpinv_discount_is_min_met($discount) {
+    $discount    = wpinv_get_discount_obj($discount);
+    $cart_amount = (float) wpinv_get_cart_discountable_subtotal($discount->ID);
+    $min_met     = $discount->is_minimum_amount_met($cart_amount);
 
-    if ( ! $min_met ) {
-        wpinv_set_error( 'wpinv-discount-error', sprintf( __( 'Minimum invoice amount should be %s', 'invoicing' ), wpinv_price( wpinv_format_amount( $discount->min_total ) ) ) );
+    if (!$min_met) {
+        wpinv_set_error('wpinv-discount-error', sprintf(__('Minimum invoice amount should be %s', 'invoicing'), wpinv_price(wpinv_format_amount($discount->min_total))));
     }
 
     return $min_met;
@@ -604,13 +604,13 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_discount_is_max_met( $discount ) {
-    $discount    = wpinv_get_discount_obj( $discount );
-    $cart_amount = (float)wpinv_get_cart_discountable_subtotal( $discount->ID );
-    $max_met     = $discount->is_maximum_amount_met( $cart_amount );
+function wpinv_discount_is_max_met($discount) {
+    $discount    = wpinv_get_discount_obj($discount);
+    $cart_amount = (float) wpinv_get_cart_discountable_subtotal($discount->ID);
+    $max_met     = $discount->is_maximum_amount_met($cart_amount);
 
-    if ( ! $max_met ) {
-        wpinv_set_error( 'wpinv-discount-error', sprintf( __( 'Maximum invoice amount should be %s', 'invoicing' ), wpinv_price( wpinv_format_amount( $discount->max_total ) ) ) );
+    if (!$max_met) {
+        wpinv_set_error('wpinv-discount-error', sprintf(__('Maximum invoice amount should be %s', 'invoicing'), wpinv_price(wpinv_format_amount($discount->max_total))));
     }
 
     return $max_met;
@@ -622,8 +622,8 @@ 
  * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
  * @return bool
  */
-function wpinv_discount_is_single_use( $discount ) {
-    $discount    = wpinv_get_discount_obj( $discount );
+function wpinv_discount_is_single_use($discount) {
+    $discount = wpinv_get_discount_obj($discount);
     return $discount->is_single_use;
 }
 
@@ -634,53 +634,53 @@ 
  * @param int|array|string|WPInv_Discount $code discount data, object, ID or code.
  * @return bool
  */
-function wpinv_discount_is_recurring( $discount = 0, $code = 0 ) {
+function wpinv_discount_is_recurring($discount = 0, $code = 0) {
 
-    if( ! empty( $discount ) ) {
-        $discount    = wpinv_get_discount_obj( $discount );
+    if (!empty($discount)) {
+        $discount    = wpinv_get_discount_obj($discount);
     } else {
-        $discount    = wpinv_get_discount_obj( $code );
+        $discount    = wpinv_get_discount_obj($code);
     }
     
     return $discount->is_recurring;
 }
 
-function wpinv_discount_item_reqs_met( $code_id = null ) {
-    $item_reqs    = wpinv_get_discount_item_reqs( $code_id );
-    $condition    = wpinv_get_discount_item_condition( $code_id );
-    $excluded_ps  = wpinv_get_discount_excluded_items( $code_id );
+function wpinv_discount_item_reqs_met($code_id = null) {
+    $item_reqs    = wpinv_get_discount_item_reqs($code_id);
+    $condition    = wpinv_get_discount_item_condition($code_id);
+    $excluded_ps  = wpinv_get_discount_excluded_items($code_id);
     $cart_items   = wpinv_get_cart_contents();
-    $cart_ids     = $cart_items ? wp_list_pluck( $cart_items, 'id' ) : null;
+    $cart_ids     = $cart_items ? wp_list_pluck($cart_items, 'id') : null;
     $ret          = false;
 
-    if ( empty( $item_reqs ) && empty( $excluded_ps ) ) {
+    if (empty($item_reqs) && empty($excluded_ps)) {
         $ret = true;
     }
 
     // Normalize our data for item requirements, exclusions and cart data
     // First absint the items, then sort, and reset the array keys
-    $item_reqs = array_map( 'absint', $item_reqs );
-    asort( $item_reqs );
-    $item_reqs = array_values( $item_reqs );
+    $item_reqs = array_map('absint', $item_reqs);
+    asort($item_reqs);
+    $item_reqs = array_values($item_reqs);
 
-    $excluded_ps  = array_map( 'absint', $excluded_ps );
-    asort( $excluded_ps );
-    $excluded_ps  = array_values( $excluded_ps );
+    $excluded_ps  = array_map('absint', $excluded_ps);
+    asort($excluded_ps);
+    $excluded_ps  = array_values($excluded_ps);
 
-    $cart_ids     = array_map( 'absint', $cart_ids );
-    asort( $cart_ids );
-    $cart_ids     = array_values( $cart_ids );
+    $cart_ids     = array_map('absint', $cart_ids);
+    asort($cart_ids);
+    $cart_ids     = array_values($cart_ids);
 
     // Ensure we have requirements before proceeding
-    if ( !$ret && ! empty( $item_reqs ) ) {
-        switch( $condition ) {
+    if (!$ret && !empty($item_reqs)) {
+        switch ($condition) {
             case 'all' :
                 // Default back to true
                 $ret = true;
 
-                foreach ( $item_reqs as $item_id ) {
-                    if ( !wpinv_item_in_cart( $item_id ) ) {
-                        wpinv_set_error( 'wpinv-discount-error', __( 'The item requirements for this discount are not met.', 'invoicing' ) );
+                foreach ($item_reqs as $item_id) {
+                    if (!wpinv_item_in_cart($item_id)) {
+                        wpinv_set_error('wpinv-discount-error', __('The item requirements for this discount are not met.', 'invoicing'));
                         $ret = false;
                         break;
                     }
@@ -689,15 +689,15 @@ 
                 break;
 
             default : // Any
-                foreach ( $item_reqs as $item_id ) {
-                    if ( wpinv_item_in_cart( $item_id ) ) {
+                foreach ($item_reqs as $item_id) {
+                    if (wpinv_item_in_cart($item_id)) {
                         $ret = true;
                         break;
                     }
                 }
 
-                if( ! $ret ) {
-                    wpinv_set_error( 'wpinv-discount-error', __( 'The item requirements for this discount are not met.', 'invoicing' ) );
+                if (!$ret) {
+                    wpinv_set_error('wpinv-discount-error', __('The item requirements for this discount are not met.', 'invoicing'));
                 }
 
                 break;
@@ -706,15 +706,15 @@ 
         $ret = true;
     }
 
-    if( ! empty( $excluded_ps ) ) {
+    if (!empty($excluded_ps)) {
         // Check that there are items other than excluded ones in the cart
-        if( $cart_ids == $excluded_ps ) {
-            wpinv_set_error( 'wpinv-discount-error', __( 'This discount is not valid for the cart contents.', 'invoicing' ) );
+        if ($cart_ids == $excluded_ps) {
+            wpinv_set_error('wpinv-discount-error', __('This discount is not valid for the cart contents.', 'invoicing'));
             $ret = false;
         }
     }
 
-    return (bool) apply_filters( 'wpinv_is_discount_item_req_met', $ret, $code_id, $condition );
+    return (bool) apply_filters('wpinv_is_discount_item_req_met', $ret, $code_id, $condition);
 }
 
 /**
@@ -725,53 +725,53 @@ 
  * @param int|array|string|WPInv_Discount $code_id discount data, object, ID or code.
  * @return bool
  */
-function wpinv_is_discount_used( $discount = array(), $user = '', $code_id = array() ) {
+function wpinv_is_discount_used($discount = array(), $user = '', $code_id = array()) {
     
-    if( ! empty( $discount ) ) {
-        $discount = wpinv_get_discount_obj( $discount );
+    if (!empty($discount)) {
+        $discount = wpinv_get_discount_obj($discount);
     } else {
-        $discount = wpinv_get_discount_obj( $code_id );
+        $discount = wpinv_get_discount_obj($code_id);
     }
 
-    $is_used = ! $discount->is_valid_for_user( $user );
-    $is_used = apply_filters( 'wpinv_is_discount_used', $is_used, $discount->code, $user, $discount->ID, $discount );
+    $is_used = !$discount->is_valid_for_user($user);
+    $is_used = apply_filters('wpinv_is_discount_used', $is_used, $discount->code, $user, $discount->ID, $discount);
 
-    if( $is_used ) {
-        wpinv_set_error( 'wpinv-discount-error', __( 'This discount has already been redeemed.', 'invoicing' ) );
+    if ($is_used) {
+        wpinv_set_error('wpinv-discount-error', __('This discount has already been redeemed.', 'invoicing'));
     }
 
     return $is_used;
 }
 
-function wpinv_is_discount_valid( $code = '', $user = '', $set_error = true ) {
+function wpinv_is_discount_valid($code = '', $user = '', $set_error = true) {
     $return      = false;
-    $discount_id = wpinv_get_discount_id_by_code( $code );
-    $user        = trim( $user );
+    $discount_id = wpinv_get_discount_id_by_code($code);
+    $user        = trim($user);
 
-    if ( wpinv_get_cart_contents() ) {
-        if ( $discount_id !== false ) {
+    if (wpinv_get_cart_contents()) {
+        if ($discount_id !== false) {
             if (
-                wpinv_is_discount_active( $discount_id ) &&
-                wpinv_check_discount_dates( $discount_id ) &&
-                !wpinv_is_discount_maxed_out( $discount_id ) &&
-                !wpinv_is_discount_used( $code, $user, $discount_id ) &&
-                wpinv_discount_is_min_met( $discount_id ) &&
-                wpinv_discount_is_max_met( $discount_id ) &&
-                wpinv_discount_item_reqs_met( $discount_id )
+                wpinv_is_discount_active($discount_id) &&
+                wpinv_check_discount_dates($discount_id) &&
+                !wpinv_is_discount_maxed_out($discount_id) &&
+                !wpinv_is_discount_used($code, $user, $discount_id) &&
+                wpinv_discount_is_min_met($discount_id) &&
+                wpinv_discount_is_max_met($discount_id) &&
+                wpinv_discount_item_reqs_met($discount_id)
             ) {
                 $return = true;
             }
-        } elseif( $set_error ) {
-            wpinv_set_error( 'wpinv-discount-error', __( 'This discount is invalid.', 'invoicing' ) );
+        } elseif ($set_error) {
+            wpinv_set_error('wpinv-discount-error', __('This discount is invalid.', 'invoicing'));
         }
     }
 
-    return apply_filters( 'wpinv_is_discount_valid', $return, $discount_id, $code, $user );
+    return apply_filters('wpinv_is_discount_valid', $return, $discount_id, $code, $user);
 }
 
-function wpinv_get_discount_id_by_code( $code ) {
-    $discount = wpinv_get_discount_by_code( $code );
-    if( $discount ) {
+function wpinv_get_discount_id_by_code($code) {
+    $discount = wpinv_get_discount_by_code($code);
+    if ($discount) {
         return $discount->ID;
     }
     return false;
@@ -784,9 +784,9 @@ 
  * @param float $base_price The number of usages to increase by
  * @return float
  */
-function wpinv_get_discounted_amount( $discount, $base_price ) {
-    $discount = wpinv_get_discount_obj( $discount );
-    return $discount->get_discounted_amount( $base_price );
+function wpinv_get_discounted_amount($discount, $base_price) {
+    $discount = wpinv_get_discount_obj($discount);
+    return $discount->get_discounted_amount($base_price);
 }
 
 /**
@@ -796,9 +796,9 @@ 
  * @param int $by The number of usages to increase by.
  * @return int the new number of uses.
  */
-function wpinv_increase_discount_usage( $discount, $by = 1 ) {
-    $discount   = wpinv_get_discount_obj( $discount );
-    return $discount->increase_usage( $by );
+function wpinv_increase_discount_usage($discount, $by = 1) {
+    $discount = wpinv_get_discount_obj($discount);
+    return $discount->increase_usage($by);
 }
 
 /**
@@ -808,72 +808,72 @@ 
  * @param int $by The number of usages to decrease by.
  * @return int the new number of uses.
  */
-function wpinv_decrease_discount_usage( $discount, $by = 1 ) {
-    $discount   = wpinv_get_discount_obj( $discount );
-    return $discount->increase_usage( 0 - $by );
+function wpinv_decrease_discount_usage($discount, $by = 1) {
+    $discount = wpinv_get_discount_obj($discount);
+    return $discount->increase_usage(0 - $by);
 }
 
-function wpinv_format_discount_rate( $type, $amount ) {
-    if ( $type == 'flat' ) {
-        $rate = wpinv_price( wpinv_format_amount( $amount ) );
+function wpinv_format_discount_rate($type, $amount) {
+    if ($type == 'flat') {
+        $rate = wpinv_price(wpinv_format_amount($amount));
     } else {
         $rate = $amount . '%';
     }
 
-    return apply_filters( 'wpinv_format_discount_rate', $rate, $type, $amount );
+    return apply_filters('wpinv_format_discount_rate', $rate, $type, $amount);
 }
 
-function wpinv_set_cart_discount( $code = '' ) {    
-    if ( wpinv_multiple_discounts_allowed() ) {
+function wpinv_set_cart_discount($code = '') {    
+    if (wpinv_multiple_discounts_allowed()) {
         // Get all active cart discounts
         $discounts = wpinv_get_cart_discounts();
     } else {
         $discounts = false; // Only one discount allowed per purchase, so override any existing
     }
 
-    if ( $discounts ) {
-        $key = array_search( strtolower( $code ), array_map( 'strtolower', $discounts ) );
-        if( false !== $key ) {
-            unset( $discounts[ $key ] ); // Can't set the same discount more than once
+    if ($discounts) {
+        $key = array_search(strtolower($code), array_map('strtolower', $discounts));
+        if (false !== $key) {
+            unset($discounts[$key]); // Can't set the same discount more than once
         }
         $discounts[] = $code;
     } else {
         $discounts = array();
         $discounts[] = $code;
     }
-    $discounts = array_values( $discounts );
+    $discounts = array_values($discounts);
     
     $data = wpinv_get_checkout_session();
-    if ( empty( $data ) ) {
+    if (empty($data)) {
         $data = array();
     } else {
-        if ( !empty( $data['invoice_id'] ) && $payment_meta = wpinv_get_invoice_meta( $data['invoice_id'] ) ) {
-            $payment_meta['user_info']['discount']  = implode( ',', $discounts );
-            update_post_meta( $data['invoice_id'], '_wpinv_payment_meta', $payment_meta );
+        if (!empty($data['invoice_id']) && $payment_meta = wpinv_get_invoice_meta($data['invoice_id'])) {
+            $payment_meta['user_info']['discount'] = implode(',', $discounts);
+            update_post_meta($data['invoice_id'], '_wpinv_payment_meta', $payment_meta);
         }
     }
     $data['cart_discounts'] = $discounts;
     
-    wpinv_set_checkout_session( $data );
+    wpinv_set_checkout_session($data);
     
     return $discounts;
 }
 
-function wpinv_unset_cart_discount( $code = '' ) {    
+function wpinv_unset_cart_discount($code = '') {    
     $discounts = wpinv_get_cart_discounts();
 
-    if ( $code && !empty( $discounts ) && in_array( $code, $discounts ) ) {
-        $key = array_search( $code, $discounts );
-        unset( $discounts[ $key ] );
+    if ($code && !empty($discounts) && in_array($code, $discounts)) {
+        $key = array_search($code, $discounts);
+        unset($discounts[$key]);
             
         $data = wpinv_get_checkout_session();
         $data['cart_discounts'] = $discounts;
-        if ( !empty( $data['invoice_id'] ) && $payment_meta = wpinv_get_invoice_meta( $data['invoice_id'] ) ) {
-            $payment_meta['user_info']['discount']  = !empty( $discounts ) ? implode( ',', $discounts ) : '';
-            update_post_meta( $data['invoice_id'], '_wpinv_payment_meta', $payment_meta );
+        if (!empty($data['invoice_id']) && $payment_meta = wpinv_get_invoice_meta($data['invoice_id'])) {
+            $payment_meta['user_info']['discount'] = !empty($discounts) ? implode(',', $discounts) : '';
+            update_post_meta($data['invoice_id'], '_wpinv_payment_meta', $payment_meta);
         }
         
-        wpinv_set_checkout_session( $data );
+        wpinv_set_checkout_session($data);
     }
 
     return $discounts;
@@ -882,10 +882,10 @@ 
 function wpinv_unset_all_cart_discounts() {
     $data = wpinv_get_checkout_session();
     
-    if ( !empty( $data ) && isset( $data['cart_discounts'] ) ) {
-        unset( $data['cart_discounts'] );
+    if (!empty($data) && isset($data['cart_discounts'])) {
+        unset($data['cart_discounts']);
         
-         wpinv_set_checkout_session( $data );
+         wpinv_set_checkout_session($data);
          return true;
     }
     
@@ -894,13 +894,13 @@ 
 
 function wpinv_get_cart_discounts() {
     $session = wpinv_get_checkout_session();
-    return empty( $session['cart_discounts'] ) ? false : $session['cart_discounts'];
+    return empty($session['cart_discounts']) ? false : $session['cart_discounts'];
 }
 
-function wpinv_cart_has_discounts( $items = array() ) {
+function wpinv_cart_has_discounts($items = array()) {
     $ret = false;
 
-    if ( wpinv_get_cart_discounts( $items ) ) {
+    if (wpinv_get_cart_discounts($items)) {
         $ret = true;
     }
     
@@ -911,131 +911,131 @@ 
     }
     */
 
-    return apply_filters( 'wpinv_cart_has_discounts', $ret );
+    return apply_filters('wpinv_cart_has_discounts', $ret);
 }
 
-function wpinv_get_cart_discounted_amount( $items = array(), $discounts = false ) {
+function wpinv_get_cart_discounted_amount($items = array(), $discounts = false) {
     $amount = 0.00;
-    $items  = !empty( $items ) ? $items : wpinv_get_cart_content_details();
+    $items  = !empty($items) ? $items : wpinv_get_cart_content_details();
 
-    if ( $items ) {
-        $discounts = wp_list_pluck( $items, 'discount' );
+    if ($items) {
+        $discounts = wp_list_pluck($items, 'discount');
 
-        if ( is_array( $discounts ) ) {
-            $discounts = array_map( 'floatval', $discounts );
-            $amount    = array_sum( $discounts );
+        if (is_array($discounts)) {
+            $discounts = array_map('floatval', $discounts);
+            $amount    = array_sum($discounts);
         }
     }
 
-    return apply_filters( 'wpinv_get_cart_discounted_amount', $amount );
+    return apply_filters('wpinv_get_cart_discounted_amount', $amount);
 }
 
-function wpinv_get_cart_items_discount_amount( $items = array(), $discount = false ) {
-    $items  = !empty( $items ) ? $items : wpinv_get_cart_content_details();
+function wpinv_get_cart_items_discount_amount($items = array(), $discount = false) {
+    $items = !empty($items) ? $items : wpinv_get_cart_content_details();
     
-    if ( empty( $discount ) || empty( $items ) ) {
+    if (empty($discount) || empty($items)) {
         return 0;
     }
 
     $amount = 0;
     
-    foreach ( $items as $item ) {
-        $amount += wpinv_get_cart_item_discount_amount( $item, $discount );
+    foreach ($items as $item) {
+        $amount += wpinv_get_cart_item_discount_amount($item, $discount);
     }
     
-    $amount = wpinv_round_amount( $amount );
+    $amount = wpinv_round_amount($amount);
 
     return $amount;
 }
 
-function wpinv_get_cart_item_discount_amount( $item = array(), $discount = false ) {
+function wpinv_get_cart_item_discount_amount($item = array(), $discount = false) {
     global $wpinv_is_last_cart_item, $wpinv_flat_discount_total;
     
     $amount = 0;
 
-    if ( empty( $item ) || empty( $item['id'] ) ) {
+    if (empty($item) || empty($item['id'])) {
         return $amount;
     }
 
-    if ( empty( $item['quantity'] ) ) {
+    if (empty($item['quantity'])) {
         return $amount;
     }
 
-    if ( empty( $item['options'] ) ) {
+    if (empty($item['options'])) {
         $item['options'] = array();
     }
 
-    $price            = wpinv_get_cart_item_price( $item['id'], $item, $item['options'] );
+    $price            = wpinv_get_cart_item_price($item['id'], $item, $item['options']);
     $discounted_price = $price;
 
     $discounts = false === $discount ? wpinv_get_cart_discounts() : $discount;
-    if ( empty( $discounts ) ) {
+    if (empty($discounts)) {
         return $amount;
     }
 
-    if ( $discounts ) {
-        if ( is_array( $discounts ) ) {
-            $discounts = array_values( $discounts );
+    if ($discounts) {
+        if (is_array($discounts)) {
+            $discounts = array_values($discounts);
         } else {
-            $discounts = explode( ',', $discounts );
+            $discounts = explode(',', $discounts);
         }
     }
 
-    if( $discounts ) {
-        foreach ( $discounts as $discount ) {
-            $code_id = wpinv_get_discount_id_by_code( $discount );
+    if ($discounts) {
+        foreach ($discounts as $discount) {
+            $code_id = wpinv_get_discount_id_by_code($discount);
 
             // Check discount exists
-            if( $code_id === false ) {
+            if ($code_id === false) {
                 continue;
             }
 
-            $reqs           = wpinv_get_discount_item_reqs( $code_id );
-            $excluded_items = wpinv_get_discount_excluded_items( $code_id );
+            $reqs           = wpinv_get_discount_item_reqs($code_id);
+            $excluded_items = wpinv_get_discount_excluded_items($code_id);
 
             // Make sure requirements are set and that this discount shouldn't apply to the whole cart
-            if ( !empty( $reqs ) && wpinv_is_discount_not_global( $code_id ) ) {
-                foreach ( $reqs as $item_id ) {
-                    if ( $item_id == $item['id'] && ! in_array( $item['id'], $excluded_items ) ) {
-                        $discounted_price -= $price - wpinv_get_discounted_amount( $discount, $price );
+            if (!empty($reqs) && wpinv_is_discount_not_global($code_id)) {
+                foreach ($reqs as $item_id) {
+                    if ($item_id == $item['id'] && !in_array($item['id'], $excluded_items)) {
+                        $discounted_price -= $price - wpinv_get_discounted_amount($discount, $price);
                     }
                 }
             } else {
                 // This is a global cart discount
-                if ( !in_array( $item['id'], $excluded_items ) ) {
-                    if ( 'flat' === wpinv_get_discount_type( $code_id ) ) {
+                if (!in_array($item['id'], $excluded_items)) {
+                    if ('flat' === wpinv_get_discount_type($code_id)) {
                         $items_subtotal    = 0.00;
                         $cart_items        = wpinv_get_cart_contents();
                         
-                        foreach ( $cart_items as $cart_item ) {
-                            if ( ! in_array( $cart_item['id'], $excluded_items ) ) {
-                                $options = !empty( $cart_item['options'] ) ? $cart_item['options'] : array();
-                                $item_price      = wpinv_get_cart_item_price( $cart_item['id'], $cart_item, $options );
+                        foreach ($cart_items as $cart_item) {
+                            if (!in_array($cart_item['id'], $excluded_items)) {
+                                $options = !empty($cart_item['options']) ? $cart_item['options'] : array();
+                                $item_price      = wpinv_get_cart_item_price($cart_item['id'], $cart_item, $options);
                                 $items_subtotal += $item_price * $cart_item['quantity'];
                             }
                         }
 
-                        $subtotal_percent  = ( ( $price * $item['quantity'] ) / $items_subtotal );
-                        $code_amount       = wpinv_get_discount_amount( $code_id );
+                        $subtotal_percent  = (($price * $item['quantity']) / $items_subtotal);
+                        $code_amount       = wpinv_get_discount_amount($code_id);
                         $discounted_amount = $code_amount * $subtotal_percent;
                         $discounted_price -= $discounted_amount;
 
-                        $wpinv_flat_discount_total += round( $discounted_amount, wpinv_currency_decimal_filter() );
+                        $wpinv_flat_discount_total += round($discounted_amount, wpinv_currency_decimal_filter());
 
-                        if ( $wpinv_is_last_cart_item && $wpinv_flat_discount_total < $code_amount ) {
+                        if ($wpinv_is_last_cart_item && $wpinv_flat_discount_total < $code_amount) {
                             $adjustment = $code_amount - $wpinv_flat_discount_total;
                             $discounted_price -= $adjustment;
                         }
                     } else {
-                        $discounted_price -= $price - wpinv_get_discounted_amount( $discount, $price );
+                        $discounted_price -= $price - wpinv_get_discounted_amount($discount, $price);
                     }
                 }
             }
         }
 
-        $amount = ( $price - apply_filters( 'wpinv_get_cart_item_discounted_amount', $discounted_price, $discounts, $item, $price ) );
+        $amount = ($price - apply_filters('wpinv_get_cart_item_discounted_amount', $discounted_price, $discounts, $item, $price));
 
-        if ( 'flat' !== wpinv_get_discount_type( $code_id ) ) {
+        if ('flat' !== wpinv_get_discount_type($code_id)) {
             $amount = $amount * $item['quantity'];
         }
     }
@@ -1043,59 +1043,59 @@ 
     return $amount;
 }
 
-function wpinv_cart_discounts_html( $items = array() ) {
-    echo wpinv_get_cart_discounts_html( $items );
+function wpinv_cart_discounts_html($items = array()) {
+    echo wpinv_get_cart_discounts_html($items);
 }
 
-function wpinv_get_cart_discounts_html( $items = array(), $discounts = false ) {
+function wpinv_get_cart_discounts_html($items = array(), $discounts = false) {
     global $wpi_cart_columns;
     
-    $items  = !empty( $items ) ? $items : wpinv_get_cart_content_details();
+    $items = !empty($items) ? $items : wpinv_get_cart_content_details();
     
-    if ( !$discounts ) {
-        $discounts = wpinv_get_cart_discounts( $items );
+    if (!$discounts) {
+        $discounts = wpinv_get_cart_discounts($items);
     }
 
-    if ( !$discounts ) {
+    if (!$discounts) {
         return;
     }
     
-    $discounts = is_array( $discounts ) ? $discounts : array( $discounts );
+    $discounts = is_array($discounts) ? $discounts : array($discounts);
     
     $html = '';
 
-    foreach ( $discounts as $discount ) {
-        $discount_id    = wpinv_get_discount_id_by_code( $discount );
-        $discount_value = wpinv_get_discount_amount( $discount_id );
-        $rate           = wpinv_format_discount_rate( wpinv_get_discount_type( $discount_id ), $discount_value );
-        $amount         = wpinv_get_cart_items_discount_amount( $items, $discount );
-        $remove_btn     = '<a title="' . esc_attr__( 'Remove discount', 'invoicing' ) . '" data-code="' . $discount . '" data-value="' . $discount_value . '" class="wpi-discount-remove" href="javascript:void(0);">[<i class="fa fa-times" aria-hidden="true"></i>]</a> ';
+    foreach ($discounts as $discount) {
+        $discount_id    = wpinv_get_discount_id_by_code($discount);
+        $discount_value = wpinv_get_discount_amount($discount_id);
+        $rate           = wpinv_format_discount_rate(wpinv_get_discount_type($discount_id), $discount_value);
+        $amount         = wpinv_get_cart_items_discount_amount($items, $discount);
+        $remove_btn     = '<a title="' . esc_attr__('Remove discount', 'invoicing') . '" data-code="' . $discount . '" data-value="' . $discount_value . '" class="wpi-discount-remove" href="javascript:void(0);">[<i class="fa fa-times" aria-hidden="true"></i>]</a> ';
         
         $html .= '<tr class="wpinv_cart_footer_row wpinv_cart_discount_row">';
         ob_start();
-        do_action( 'wpinv_checkout_table_discount_first', $items );
+        do_action('wpinv_checkout_table_discount_first', $items);
         $html .= ob_get_clean();
-        $html .= '<td class="wpinv_cart_discount_label text-right" colspan="' . $wpi_cart_columns . '">' . $remove_btn . '<strong>' . wpinv_cart_discount_label( $discount, $rate, false ) . '</strong></td><td class="wpinv_cart_discount text-right"><span data-discount="' . $amount . '" class="wpinv_cart_discount_amount">&ndash;' . wpinv_price( wpinv_format_amount( $amount ) ) . '</span></td>';
+        $html .= '<td class="wpinv_cart_discount_label text-right" colspan="' . $wpi_cart_columns . '">' . $remove_btn . '<strong>' . wpinv_cart_discount_label($discount, $rate, false) . '</strong></td><td class="wpinv_cart_discount text-right"><span data-discount="' . $amount . '" class="wpinv_cart_discount_amount">&ndash;' . wpinv_price(wpinv_format_amount($amount)) . '</span></td>';
         ob_start();
-        do_action( 'wpinv_checkout_table_discount_last', $items );
+        do_action('wpinv_checkout_table_discount_last', $items);
         $html .= ob_get_clean();
         $html .= '</tr>';
     }
 
-    return apply_filters( 'wpinv_get_cart_discounts_html', $html, $discounts, $rate );
+    return apply_filters('wpinv_get_cart_discounts_html', $html, $discounts, $rate);
 }
 
-function wpinv_display_cart_discount( /** @scrutinizer ignore-unused */ $formatted = false, $echo = false ) {
+function wpinv_display_cart_discount(/** @scrutinizer ignore-unused */ $formatted = false, $echo = false) {
     $discounts = wpinv_get_cart_discounts();
 
-    if ( empty( $discounts ) ) {
+    if (empty($discounts)) {
         return false;
     }
 
-    $discount_id  = wpinv_get_discount_id_by_code( $discounts[0] );
-    $amount       = wpinv_format_discount_rate( wpinv_get_discount_type( $discount_id ), wpinv_get_discount_amount( $discount_id ) );
+    $discount_id  = wpinv_get_discount_id_by_code($discounts[0]);
+    $amount       = wpinv_format_discount_rate(wpinv_get_discount_type($discount_id), wpinv_get_discount_amount($discount_id));
 
-    if ( $echo ) {
+    if ($echo) {
         echo $amount;
     }
 
@@ -1103,101 +1103,101 @@ 
 }
 
 function wpinv_remove_cart_discount() {
-    if ( !isset( $_GET['discount_id'] ) || ! isset( $_GET['discount_code'] ) ) {
+    if (!isset($_GET['discount_id']) || !isset($_GET['discount_code'])) {
         return;
     }
 
-    do_action( 'wpinv_pre_remove_cart_discount', absint( $_GET['discount_id'] ) );
+    do_action('wpinv_pre_remove_cart_discount', absint($_GET['discount_id']));
 
-    wpinv_unset_cart_discount( urldecode( $_GET['discount_code'] ) );
+    wpinv_unset_cart_discount(urldecode($_GET['discount_code']));
 
-    do_action( 'wpinv_post_remove_cart_discount', absint( $_GET['discount_id'] ) );
+    do_action('wpinv_post_remove_cart_discount', absint($_GET['discount_id']));
 
-    wp_redirect( wpinv_get_checkout_uri() ); wpinv_die();
+    wp_redirect(wpinv_get_checkout_uri()); wpinv_die();
 }
-add_action( 'wpinv_remove_cart_discount', 'wpinv_remove_cart_discount' );
+add_action('wpinv_remove_cart_discount', 'wpinv_remove_cart_discount');
 
 function wpinv_maybe_remove_cart_discount() {
     $discounts = wpinv_get_cart_discounts();
 
-    if ( !$discounts ) {
+    if (!$discounts) {
         return;
     }
 
-    foreach ( $discounts as $discount ) {
-        if ( !wpinv_is_discount_valid( $discount ) ) {
-            wpinv_unset_cart_discount( $discount );
+    foreach ($discounts as $discount) {
+        if (!wpinv_is_discount_valid($discount)) {
+            wpinv_unset_cart_discount($discount);
         }
     }
 }
-add_action( 'wpinv_post_remove_from_cart', 'wpinv_maybe_remove_cart_discount' );
+add_action('wpinv_post_remove_from_cart', 'wpinv_maybe_remove_cart_discount');
 
 function wpinv_multiple_discounts_allowed() {
-    $ret = wpinv_get_option( 'allow_multiple_discounts', false );
-    return (bool) apply_filters( 'wpinv_multiple_discounts_allowed', $ret );
+    $ret = wpinv_get_option('allow_multiple_discounts', false);
+    return (bool) apply_filters('wpinv_multiple_discounts_allowed', $ret);
 }
 
-function wpinv_get_discount_label( $code, $echo = true ) {
-    $label = wp_sprintf( __( 'Discount%1$s', 'invoicing' ), ( $code != '' && $code != 'none' ? ' (<code>' . $code . '</code>)': '' ) );
-    $label = apply_filters( 'wpinv_get_discount_label', $label, $code );
+function wpinv_get_discount_label($code, $echo = true) {
+    $label = wp_sprintf(__('Discount%1$s', 'invoicing'), ($code != '' && $code != 'none' ? ' (<code>' . $code . '</code>)' : ''));
+    $label = apply_filters('wpinv_get_discount_label', $label, $code);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $label;
     } else {
         return $label;
     }
 }
 
-function wpinv_cart_discount_label( $code, $rate, $echo = true ) {
-    $label = wp_sprintf( __( 'Discount: %s', 'invoicing' ), $code );
-    $label = apply_filters( 'wpinv_cart_discount_label', $label, $code, $rate );
+function wpinv_cart_discount_label($code, $rate, $echo = true) {
+    $label = wp_sprintf(__('Discount: %s', 'invoicing'), $code);
+    $label = apply_filters('wpinv_cart_discount_label', $label, $code, $rate);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $label;
     } else {
         return $label;
     }
 }
 
-function wpinv_check_delete_discount( $check, $post ) {
-    if ( $post->post_type == 'wpi_discount' && wpinv_get_discount_uses( $post->ID ) > 0 ) {
+function wpinv_check_delete_discount($check, $post) {
+    if ($post->post_type == 'wpi_discount' && wpinv_get_discount_uses($post->ID) > 0) {
         return true;
     }
     
     return $check;
 }
-add_filter( 'pre_delete_post', 'wpinv_check_delete_discount', 10, 2 );
+add_filter('pre_delete_post', 'wpinv_check_delete_discount', 10, 2);
 
 function wpinv_checkout_form_validate_discounts() {
     global $wpi_checkout_id;
     
     $discounts = wpinv_get_cart_discounts();
     
-    if ( !empty( $discounts ) ) {
+    if (!empty($discounts)) {
         $invalid = false;
         
-        foreach ( $discounts as $key => $code ) {
-            if ( !wpinv_is_discount_valid( $code, (int)wpinv_get_user_id( $wpi_checkout_id ) ) ) {
+        foreach ($discounts as $key => $code) {
+            if (!wpinv_is_discount_valid($code, (int) wpinv_get_user_id($wpi_checkout_id))) {
                 $invalid = true;
                 
-                wpinv_unset_cart_discount( $code );
+                wpinv_unset_cart_discount($code);
             }
         }
         
-        if ( $invalid ) {
+        if ($invalid) {
             $errors = wpinv_get_errors();
-            $error  = !empty( $errors['wpinv-discount-error'] ) ? $errors['wpinv-discount-error'] . ' ' : '';
-            $error  .= __( 'The discount has been removed from cart.', 'invoicing' );
-            wpinv_set_error( 'wpinv-discount-error', $error );
+            $error  = !empty($errors['wpinv-discount-error']) ? $errors['wpinv-discount-error'] . ' ' : '';
+            $error .= __('The discount has been removed from cart.', 'invoicing');
+            wpinv_set_error('wpinv-discount-error', $error);
             
-            wpinv_recalculate_tax( true );
+            wpinv_recalculate_tax(true);
         }
     }
 }
-add_action( 'wpinv_before_checkout_form', 'wpinv_checkout_form_validate_discounts', -10 );
+add_action('wpinv_before_checkout_form', 'wpinv_checkout_form_validate_discounts', -10);
 
 function wpinv_discount_amount() {
     $output = 0.00;
     
-    return apply_filters( 'wpinv_discount_amount', $output );
+    return apply_filters('wpinv_discount_amount', $output);
 }
\ No newline at end of file

includes/class-wpinv-discount.php

Spacing +189 added lines, -189 removed lines

@@ -5,7 +5,7 @@ 
  * @since   1.0.15
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Discount class.
@@ -63,45 +63,45 @@ 
 	 * @param int|array|string|WPInv_Discount $discount discount data, object, ID or code.
 	 * @since 1.0.15
 	 */
-	public function __construct( $discount = array() ) {
+	public function __construct($discount = array()) {
         
         // If the discount is an instance of this class...
-		if ( $discount instanceof WPInv_Discount ) {
-			$this->init( $discount->data );
+		if ($discount instanceof WPInv_Discount) {
+			$this->init($discount->data);
 			return;
         }
         
         // If the discount is an array of discount details...
-        if ( is_array( $discount ) ) {
-			$this->init( $discount );
+        if (is_array($discount)) {
+			$this->init($discount);
 			return;
 		}
 		
 		// Try fetching the discount by its post id.
 		$data = false;
 		
-		if ( ! empty( $discount ) && is_numeric( $discount ) ) {
-			$discount = absint( $discount );
-			$data = self::get_data_by( 'id', $discount );
+		if (!empty($discount) && is_numeric($discount)) {
+			$discount = absint($discount);
+			$data = self::get_data_by('id', $discount);
 		}
 
-		if ( is_array( $data ) ) {
-			$this->init( $data );
+		if (is_array($data)) {
+			$this->init($data);
 			return;
 		}
 		
 		// Try fetching the discount by its discount code.
-		if ( ! empty( $discount ) && is_string( $discount ) ) {
-			$data = self::get_data_by( 'discount_code', $discount );
+		if (!empty($discount) && is_string($discount)) {
+			$data = self::get_data_by('discount_code', $discount);
 		}
 
-		if ( is_array( $data ) ) {
-			$this->init( $data );
+		if (is_array($data)) {
+			$this->init($data);
 			return;
 		} 
 		
 		// If we are here then the discount does not exist.
-		$this->init( array() );
+		$this->init(array());
 	}
 	
 	/**
@@ -110,8 +110,8 @@ 
 	 * @since 1.0.15
 	 * @param array $data An array containing the discount's data
 	 */
-	public function init( $data ) {
-		$data       	  = self::sanitize_discount_data( $data );
+	public function init($data) {
+		$data       	  = self::sanitize_discount_data($data);
 		$this->data 	  = $data;
 		$this->old_status = $data['status'];
 		$this->ID   	  = $data['ID'];
@@ -127,50 +127,50 @@ 
 	 * @since 1.0.15
 	 * @return array|bool array of discount details on success. False otherwise.
 	 */
-	public static function get_data_by( $field, $value ) {
+	public static function get_data_by($field, $value) {
 
-		if ( 'id' == strtolower( $field ) ) {
+		if ('id' == strtolower($field)) {
 			// Make sure the value is numeric to avoid casting objects, for example,
 			// to int 1.
-			if ( ! is_numeric( $value ) )
+			if (!is_numeric($value))
 				return false;
-			$value = intval( $value );
-			if ( $value < 1 )
+			$value = intval($value);
+			if ($value < 1)
 				return false;
 		}
 
-		if ( ! $value || ! is_string( $field ) ) {
+		if (!$value || !is_string($field)) {
 			return false;
 		}
 		
-		$field = trim( $field );
+		$field = trim($field);
 
 		// prepare query args
-		switch ( strtolower( $field ) ) {
+		switch (strtolower($field)) {
 			case 'id':
 				$discount_id = $value;
-				$args		 = array( 'include' => array( $value ) );
+				$args = array('include' => array($value));
 				break;
 			case 'discount_code':
 			case 'code':
-				$value       = trim( $value );
-				$discount_id = wp_cache_get( $value, 'WPInv_Discount_Codes' );
-				$args		 = array( 'meta_key' => '_wpi_discount_code', 'meta_value' => $value );
+				$value       = trim($value);
+				$discount_id = wp_cache_get($value, 'WPInv_Discount_Codes');
+				$args = array('meta_key' => '_wpi_discount_code', 'meta_value' => $value);
 				break;
 			case 'name':
 				$discount_id = 0;
-				$args		 = array( 'name' => trim( $value ) );
+				$args		 = array('name' => trim($value));
 				break;
 			default:
-				$args		 = apply_filters( "wpinv_discount_get_data_by_{$field}_args", null, $value );
-				if ( ! is_array( $args ) ) {
-					return apply_filters( "wpinv_discount_get_data_by_$field", false, $value );
+				$args		 = apply_filters("wpinv_discount_get_data_by_{$field}_args", null, $value);
+				if (!is_array($args)) {
+					return apply_filters("wpinv_discount_get_data_by_$field", false, $value);
 				}
 
 		}
 
 		// Check if there is a cached value.
-		if ( ! empty( $discount_id ) && $discount = wp_cache_get( (int) $discount_id, 'WPInv_Discounts' ) ) {
+		if (!empty($discount_id) && $discount = wp_cache_get((int) $discount_id, 'WPInv_Discounts')) {
 			return $discount;
 		}
 
@@ -179,13 +179,13 @@ 
 			array(
 				'post_type'      => 'wpi_discount',
 				'posts_per_page' => 1,
-				'post_status'    => array( 'publish', 'pending', 'draft', 'expired' )
+				'post_status'    => array('publish', 'pending', 'draft', 'expired')
 			)
 		);
 
-		$discount = get_posts( $args );
+		$discount = get_posts($args);
 				
-		if( empty( $discount ) ) {
+		if (empty($discount)) {
 			return false;
 		}
 
@@ -194,31 +194,31 @@ 
 		// Prepare the return data.
 		$return = array(
             'ID'                          => $discount->ID,
-            'code'                        => get_post_meta( $discount->ID, '_wpi_discount_code', true ),
-            'amount'                      => get_post_meta( $discount->ID, '_wpi_discount_amount', true ),
+            'code'                        => get_post_meta($discount->ID, '_wpi_discount_code', true),
+            'amount'                      => get_post_meta($discount->ID, '_wpi_discount_amount', true),
             'date_created'                => $discount->post_date,
 			'date_modified'               => $discount->post_modified,
 			'status'               		  => $discount->post_status,
-			'start'                  	  => get_post_meta( $discount->ID, '_wpi_discount_start', true ),
-            'expiration'                  => get_post_meta( $discount->ID, '_wpi_discount_expiration', true ),
-            'type'               		  => get_post_meta( $discount->ID, '_wpi_discount_type', true ),
+			'start'                  	  => get_post_meta($discount->ID, '_wpi_discount_start', true),
+            'expiration'                  => get_post_meta($discount->ID, '_wpi_discount_expiration', true),
+            'type'               		  => get_post_meta($discount->ID, '_wpi_discount_type', true),
             'description'                 => $discount->post_excerpt,
-            'uses'                 		  => get_post_meta( $discount->ID, '_wpi_discount_uses', true ),
-            'is_single_use'               => get_post_meta( $discount->ID, '_wpi_discount_is_single_use', true ),
-            'items'              	      => get_post_meta( $discount->ID, '_wpi_discount_items', true ),
-            'excluded_items'              => get_post_meta( $discount->ID, '_wpi_discount_excluded_items', true ),
-            'max_uses'                    => get_post_meta( $discount->ID, '_wpi_discount_max_uses', true ),
-            'is_recurring'                => get_post_meta( $discount->ID, '_wpi_discount_is_recurring', true ),
-            'min_total'                   => get_post_meta( $discount->ID, '_wpi_discount_min_total', true ),
-            'max_total'                   => get_post_meta( $discount->ID, '_wpi_discount_max_total', true ),
+            'uses'                 		  => get_post_meta($discount->ID, '_wpi_discount_uses', true),
+            'is_single_use'               => get_post_meta($discount->ID, '_wpi_discount_is_single_use', true),
+            'items'              	      => get_post_meta($discount->ID, '_wpi_discount_items', true),
+            'excluded_items'              => get_post_meta($discount->ID, '_wpi_discount_excluded_items', true),
+            'max_uses'                    => get_post_meta($discount->ID, '_wpi_discount_max_uses', true),
+            'is_recurring'                => get_post_meta($discount->ID, '_wpi_discount_is_recurring', true),
+            'min_total'                   => get_post_meta($discount->ID, '_wpi_discount_min_total', true),
+            'max_total'                   => get_post_meta($discount->ID, '_wpi_discount_max_total', true),
         );
 		
-		$return = self::sanitize_discount_data( $return );
-		$return = apply_filters( 'wpinv_discount_properties', $return );
+		$return = self::sanitize_discount_data($return);
+		$return = apply_filters('wpinv_discount_properties', $return);
 
 		// Update the cache with our data
-		wp_cache_add( $discount->ID, $return, 'WPInv_Discounts' );
-		wp_cache_add( $return['code'], $discount->ID, 'WPInv_Discount_Codes' );
+		wp_cache_add($discount->ID, $return, 'WPInv_Discounts');
+		wp_cache_add($return['code'], $discount->ID, 'WPInv_Discount_Codes');
 
 		return $return;
 	}
@@ -232,9 +232,9 @@ 
 	 *
 	 * @return array the sanitized data
 	 */
-	public static function sanitize_discount_data( $data ) {
+	public static function sanitize_discount_data($data) {
 		
-		$allowed_discount_types = array_keys( wpinv_get_discount_types() );
+		$allowed_discount_types = array_keys(wpinv_get_discount_types());
 		
 		$return = array(
             'ID'                          => null,
@@ -259,60 +259,60 @@ 
 		
 				
 		// Arrays only please.
-		if ( ! is_array( $data ) ) {
+		if (!is_array($data)) {
             return $return;
         }
 
 		// If an id is provided, ensure it is a valid discount.
-        if ( ! empty( $data['ID'] ) && ( ! is_numeric( $data['ID'] ) || 'wpi_discount' !== get_post_type( $data['ID'] ) ) ) {
+        if (!empty($data['ID']) && (!is_numeric($data['ID']) || 'wpi_discount' !== get_post_type($data['ID']))) {
             return $return;
 		}
 
-        $return = array_merge( $return, $data );
+        $return = array_merge($return, $data);
 
         // Sanitize some keys.
-        $return['amount']         = wpinv_sanitize_amount( $return['amount'] );
+        $return['amount'] = wpinv_sanitize_amount($return['amount']);
 		$return['is_single_use']  = (bool) $return['is_single_use'];
 		$return['is_recurring']   = (bool) $return['is_recurring'];
 		$return['uses']	          = (int) $return['uses'];
 		$return['max_uses']	      = (int) $return['max_uses'];
-		$return['min_total'] 	  = wpinv_sanitize_amount( $return['min_total'] );
-        $return['max_total'] 	  = wpinv_sanitize_amount( $return['max_total'] );
+		$return['min_total'] = wpinv_sanitize_amount($return['min_total']);
+        $return['max_total'] = wpinv_sanitize_amount($return['max_total']);
 
 		// Trim all values.
-		$return = wpinv_clean( $return );
+		$return = wpinv_clean($return);
 		
 		// Ensure the discount type is supported.
-        if ( ! in_array( $return['type'], $allowed_discount_types, true ) ) {
+        if (!in_array($return['type'], $allowed_discount_types, true)) {
             $return['type'] = 'percent';
 		}
-		$return['type_name'] = wpinv_get_discount_type_name( $return['type'] );
+		$return['type_name'] = wpinv_get_discount_type_name($return['type']);
 		
 		// Do not offer more than a 100% discount.
-		if ( $return['type'] == 'percent' && (float) $return['amount'] > 100 ) {
+		if ($return['type'] == 'percent' && (float) $return['amount'] > 100) {
 			$return['amount'] = 100;
 		}
 
 		// Format dates.
-		foreach( wpinv_parse_list( 'date_created date_modified expiration start') as $prop ) {
-			if( ! empty( $return[$prop] ) ) {
-				$return[$prop]      = date_i18n( 'Y-m-d H:i:s', strtotime( $return[$prop] ) );
+		foreach (wpinv_parse_list('date_created date_modified expiration start') as $prop) {
+			if (!empty($return[$prop])) {
+				$return[$prop] = date_i18n('Y-m-d H:i:s', strtotime($return[$prop]));
 			}
 		}
 
 		// Formart items.
-		foreach( array( 'excluded_items', 'items' ) as $prop ) {
+		foreach (array('excluded_items', 'items') as $prop) {
 
-			if( ! empty( $return[$prop] ) ) {
+			if (!empty($return[$prop])) {
 				// Ensure that the property is an array of non-empty integers.
-				$return[$prop]      = array_filter( array_map( 'intval', wpinv_parse_list( $return[$prop] ) ) );
+				$return[$prop]      = array_filter(array_map('intval', wpinv_parse_list($return[$prop])));
 			} else {
 				$return[$prop]      = array();
 			}
 
 		}
 		
-		return apply_filters( 'wpinv_sanitize_discount_data', $return, $data );
+		return apply_filters('wpinv_sanitize_discount_data', $return, $data);
 	}
 	
 	/**
@@ -323,8 +323,8 @@ 
 	 *
 	 * @return bool Whether the given discount field is set.
 	 */
-	public function __isset( $key ){
-		return isset( $this->data[$key] ) || method_exists( $this, "get_$key");
+	public function __isset($key) {
+		return isset($this->data[$key]) || method_exists($this, "get_$key");
 	}
 	
 	/**
@@ -336,8 +336,8 @@ 
 	 * @param string $key Discount data to retrieve
 	 * @return mixed Value of the given discount property (if set).
 	 */
-	public function __get( $key ) {
-		return $this->get( $key );
+	public function __get($key) {
+		return $this->get($key);
 	}
 
 	/**
@@ -349,15 +349,15 @@ 
 	 * @param string $key Discount data to retrieve
 	 * @return mixed Value of the given discount property (if set).
 	 */
-	public function get( $key ) {
+	public function get($key) {
 		
-		if ( $key == 'id' ) {
+		if ($key == 'id') {
 			$key = 'ID';
 		}
 		
-		if( method_exists( $this, "get_$key") ) {
-			$value 	= call_user_func( array( $this, "get_$key" ) );
-		} else if( isset( $this->data[$key] ) ) {
+		if (method_exists($this, "get_$key")) {
+			$value 	= call_user_func(array($this, "get_$key"));
+		} else if (isset($this->data[$key])) {
 			$value 	= $this->data[$key];
 		} else {
 			$value = null;
@@ -374,7 +374,7 @@ 
 		 * @param string         $code     The discount's discount code.
 		 * @param array          $data     The discount's data array.
 		 */
-		return apply_filters( "wpinv_get_discount_{$key}", $value, $this->ID, $this, $this->data['code'], $this->data );
+		return apply_filters("wpinv_get_discount_{$key}", $value, $this->ID, $this, $this->data['code'], $this->data);
 
 	}
 	
@@ -387,9 +387,9 @@ 
 	 * @access public
 	 *
 	 */
-	public function __set( $key, $value ) {
+	public function __set($key, $value) {
 		
-		if ( 'id' == strtolower( $key ) ) {
+		if ('id' == strtolower($key)) {
 			
 			$this->ID = $value;
 			$this->data['ID'] = $value;
@@ -410,10 +410,10 @@ 
 		 * @param string         $code     The discount's discount code.
 		 * @param array          $data     The discount's data array.
 		 */
-		$value = apply_filters( "wpinv_set_discount_{$key}", $value, $this->ID, $this, $this->code, $this->data );
+		$value = apply_filters("wpinv_set_discount_{$key}", $value, $this->ID, $this, $this->code, $this->data);
 
-		if( method_exists( $this, "set_$key") ) {
-			call_user_func( array( $this, "set_$key" ), $value );
+		if (method_exists($this, "set_$key")) {
+			call_user_func(array($this, "set_$key"), $value);
 		} else {
 			$this->data[$key] = $value;
 		}
@@ -428,53 +428,53 @@ 
 	 * @return bool
 	 *
 	 */
-	public function save(){
+	public function save() {
 		
-		$data = self::sanitize_discount_data( $this->data );
+		$data = self::sanitize_discount_data($this->data);
 
 		// Should we create a new post?
-		if( ! $data[ 'ID' ] ) {
+		if (!$data['ID']) {
 
-			$id = wp_insert_post( array(
+			$id = wp_insert_post(array(
 				'post_status'           => $data['status'],
 				'post_type'             => 'wpi_discount',
 				'post_excerpt'          => $data['description'],
-			) );
+			));
 
-			if( empty( $id ) ) {
+			if (empty($id)) {
 				return false;
 			}
 
-			$data[ 'ID' ] = (int) $id;
-			$this->ID = $data[ 'ID' ];
-			$this->data['ID'] = $data[ 'ID' ];
+			$data['ID'] = (int) $id;
+			$this->ID = $data['ID'];
+			$this->data['ID'] = $data['ID'];
 
 		} else {
-			$this->update_status( $data['status'] );
+			$this->update_status($data['status']);
 		}
 
-		$meta = apply_filters( 'wpinv_update_discount', $data, $this->ID, $this );
+		$meta = apply_filters('wpinv_update_discount', $data, $this->ID, $this);
 
-		do_action( 'wpinv_pre_update_discount', $meta, $this->ID, $this );
+		do_action('wpinv_pre_update_discount', $meta, $this->ID, $this);
 
-		foreach( wpinv_parse_list( 'ID date_created date_modified status description type_name' ) as $prop ) {
-			if ( isset( $meta[$prop] ) ) {
-				unset( $meta[$prop] );
+		foreach (wpinv_parse_list('ID date_created date_modified status description type_name') as $prop) {
+			if (isset($meta[$prop])) {
+				unset($meta[$prop]);
 			}
 		}
 
-		if( isset( $meta['uses'] ) && empty( $meta['uses'] ) ) {
-			unset( $meta['uses'] );
+		if (isset($meta['uses']) && empty($meta['uses'])) {
+			unset($meta['uses']);
 		}
 
 		// Save the metadata.
-		foreach( $meta as $key => $value ) {
-			update_post_meta( $this->ID, "_wpi_discount_$key", $value );
+		foreach ($meta as $key => $value) {
+			update_post_meta($this->ID, "_wpi_discount_$key", $value);
 		}
 
 		$this->refresh();
 
-		do_action( 'wpinv_post_update_discount', $meta, $this->ID );
+		do_action('wpinv_post_update_discount', $meta, $this->ID);
 
 		return true;		
 	}
@@ -487,17 +487,17 @@ 
 	 * @return bool
 	 *
 	 */
-	public function refresh(){
+	public function refresh() {
 
 		// Empty the cache for this discount.
-		wp_cache_delete( $this->ID, 'WPInv_Discounts' );
-		wp_cache_delete( $this->get( 'code' ), 'WPInv_Discount_Codes' );
+		wp_cache_delete($this->ID, 'WPInv_Discounts');
+		wp_cache_delete($this->get('code'), 'WPInv_Discount_Codes');
 
-		$data = self::get_data_by( 'id', $this->ID );
-		if( is_array( $data ) ) {
-			$this->init( $data );
+		$data = self::get_data_by('id', $this->ID);
+		if (is_array($data)) {
+			$this->init($data);
 		} else {
-			$this->init( array() );
+			$this->init(array());
 		}
 
 	}
@@ -510,14 +510,14 @@ 
 	 * @return bool
 	 *
 	 */
-	public function update_status( $status = 'publish' ){
+	public function update_status($status = 'publish') {
 
 
-		if ( $this->exists() && $this->old_status != $status ) {
+		if ($this->exists() && $this->old_status != $status) {
 
-			do_action( 'wpinv_pre_update_discount_status', $this->ID, $this->old_status, $status );
-        	$updated = wp_update_post( array( 'ID' => $this->ID, 'post_status' => $status ) );
-			do_action( 'wpinv_post_update_discount_status', $this->ID, $this->old_status, $status );
+			do_action('wpinv_pre_update_discount_status', $this->ID, $this->old_status, $status);
+        	$updated = wp_update_post(array('ID' => $this->ID, 'post_status' => $status));
+			do_action('wpinv_post_update_discount_status', $this->ID, $this->old_status, $status);
 
 			$this->refresh();
 
@@ -534,8 +534,8 @@ 
 	 * 
 	 * @since 1.0.15
 	 */
-	public function exists(){
-		return ! empty( $this->ID );
+	public function exists() {
+		return !empty($this->ID);
 	}
 	
 	// Boolean methods
@@ -548,7 +548,7 @@ 
 	 * @since 1.0.15
 	 * @return bool
 	 */
-	public function is_type( $type ) {
+	public function is_type($type) {
 		return $this->type == $type;
 	}
 	
@@ -569,12 +569,12 @@ 
 	 * @return bool
 	 */
 	public function has_exceeded_limit() {
-		if( empty( $this->max_uses ) || empty( $this->uses ) ) { 
-			return false ;
+		if (empty($this->max_uses) || empty($this->uses)) { 
+			return false;
 		}
 		
-		$exceeded =  $this->uses >= $this->max_uses;
-		return apply_filters( 'wpinv_is_discount_maxed_out', $exceeded, $this->ID, $this, $this->code );
+		$exceeded = $this->uses >= $this->max_uses;
+		return apply_filters('wpinv_is_discount_maxed_out', $exceeded, $this->ID, $this, $this->code);
 	}
 	
 	/**
@@ -584,8 +584,8 @@ 
 	 * @return bool
 	 */
 	public function is_expired() {
-		$expired = empty ( $this->expiration ) ? false : current_time( 'timestamp' ) > strtotime( $this->expiration );
-		return apply_filters( 'wpinv_is_discount_expired', $expired, $this->ID, $this, $this->code );
+		$expired = empty ($this->expiration) ? false : current_time('timestamp') > strtotime($this->expiration);
+		return apply_filters('wpinv_is_discount_expired', $expired, $this->ID, $this, $this->code);
 	}
 
 	/**
@@ -595,8 +595,8 @@ 
 	 * @return bool
 	 */
 	public function has_started() {
-		$started = empty ( $this->start ) ? true : current_time( 'timestamp' ) > strtotime( $this->start );
-		return apply_filters( 'wpinv_is_discount_started', $started, $this->ID, $this, $this->code );		
+		$started = empty ($this->start) ? true : current_time('timestamp') > strtotime($this->start);
+		return apply_filters('wpinv_is_discount_started', $started, $this->ID, $this, $this->code);		
 	}
 	
 	/**
@@ -606,17 +606,17 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_items( $item_ids ) {
+	public function is_valid_for_items($item_ids) {
 		 
-		$item_ids = array_map( 'intval',  wpinv_parse_list( $item_ids ) );
-		$included = array_intersect( $item_ids, $this->items );
-		$excluded = array_intersect( $item_ids, $this->excluded_items );
+		$item_ids = array_map('intval', wpinv_parse_list($item_ids));
+		$included = array_intersect($item_ids, $this->items);
+		$excluded = array_intersect($item_ids, $this->excluded_items);
 
-		if( ! empty( $this->excluded_items ) && ! empty( $excluded ) ) {
+		if (!empty($this->excluded_items) && !empty($excluded)) {
 			return false;
 		}
 
-		if( ! empty( $this->items ) && empty( $included ) ) {
+		if (!empty($this->items) && empty($included)) {
 			return false;
 		}
 		return true;
@@ -629,8 +629,8 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_amount( $amount ) {
-		return $this->is_minimum_amount_met( $amount ) && $this->is_maximum_amount_met( $amount );
+	public function is_valid_for_amount($amount) {
+		return $this->is_minimum_amount_met($amount) && $this->is_maximum_amount_met($amount);
 	}
 
 	/**
@@ -640,10 +640,10 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_minimum_amount_met( $amount ) {
-		$amount = floatval( $amount );
-		$min_met= ! ( $this->min_total > 0 && $amount < $this->min_total );
-		return apply_filters( 'wpinv_is_discount_min_met', $min_met, $this->ID, $this, $this->code, $amount );
+	public function is_minimum_amount_met($amount) {
+		$amount = floatval($amount);
+		$min_met = !($this->min_total > 0 && $amount < $this->min_total);
+		return apply_filters('wpinv_is_discount_min_met', $min_met, $this->ID, $this, $this->code, $amount);
 	}
 
 	/**
@@ -653,10 +653,10 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_maximum_amount_met( $amount ) {
-		$amount = floatval( $amount );
-		$max_met= ! ( $this->max_total > 0 && $amount > $this->max_total );
-		return apply_filters( 'wpinv_is_discount_max_met', $max_met, $this->ID, $this, $this->code, $amount );
+	public function is_maximum_amount_met($amount) {
+		$amount = floatval($amount);
+		$max_met = !($this->max_total > 0 && $amount > $this->max_total);
+		return apply_filters('wpinv_is_discount_max_met', $max_met, $this->ID, $this, $this->code, $amount);
 	}
 
 	/**
@@ -666,50 +666,50 @@ 
 	 * @since 1.0.15
 	 * @return boolean
 	 */
-	public function is_valid_for_user( $user ) {
+	public function is_valid_for_user($user) {
 		global $wpi_checkout_id;
 
-		if( empty( $user ) || empty( $this->is_single_use ) ) {
+		if (empty($user) || empty($this->is_single_use)) {
 			return true;
 		}
 
 		$user_id = 0;
-        if ( is_int( $user ) ) {
-            $user_id = absint( $user );
-        } else if ( is_email( $user ) && $user_data = get_user_by( 'email', $user ) ) {
+        if (is_int($user)) {
+            $user_id = absint($user);
+        } else if (is_email($user) && $user_data = get_user_by('email', $user)) {
             $user_id = $user_data->ID;
-        } else if ( $user_data = get_user_by( 'login', $user ) ) {
+        } else if ($user_data = get_user_by('login', $user)) {
             $user_id = $user_data->ID;
-        } else if ( absint( $user ) > 0 ) {
-            $user_id = absint( $user );
+        } else if (absint($user) > 0) {
+            $user_id = absint($user);
 		}
 
-		if ( empty( $user_id ) ) {
+		if (empty($user_id)) {
 			return true;
 		}
 		
 		// Get all payments with matching user id
-        $payments = wpinv_get_invoices( array( 'user' => $user_id, 'limit' => false ) ); 
-		$code     = strtolower( $this->code );
+        $payments = wpinv_get_invoices(array('user' => $user_id, 'limit' => false)); 
+		$code = strtolower($this->code);
 
-		foreach ( $payments as $payment ) {
+		foreach ($payments as $payment) {
 
 			// Don't count discount used for current invoice checkout.
-			if ( ! empty( $wpi_checkout_id ) && $wpi_checkout_id == $payment->ID ) {
+			if (!empty($wpi_checkout_id) && $wpi_checkout_id == $payment->ID) {
 				continue;
 			}
 			
-			if ( $payment->has_status( array( 'wpi-cancelled', 'wpi-failed' ) ) ) {
+			if ($payment->has_status(array('wpi-cancelled', 'wpi-failed'))) {
 				continue;
 			}
 
-			$discounts = $payment->get_discounts( true );
-			if ( empty( $discounts ) ) {
+			$discounts = $payment->get_discounts(true);
+			if (empty($discounts)) {
 				continue;
 			}
 
-			$discounts = array_map( 'strtolower', wpinv_parse_list( $discounts ) );
-			if ( ! empty( $discounts ) && in_array( $code, $discounts ) ) {
+			$discounts = array_map('strtolower', wpinv_parse_list($discounts));
+			if (!empty($discounts) && in_array($code, $discounts)) {
 				return false;
 			}
 		}
@@ -725,15 +725,15 @@ 
 	 */
 	public function remove() {
 
-		if ( empty( $this->ID ) ) {
+		if (empty($this->ID)) {
 			return true;
 		}
 
-		do_action( 'wpinv_pre_delete_discount', $this->ID, $this->data );
-		wp_cache_delete( $this->ID, 'WPInv_Discounts' );
-    	wp_delete_post( $this->ID, true );
-		wp_cache_delete( $this->code, 'WPInv_Discount_Codes' );
-    	do_action( 'wpinv_post_delete_discount', $this->ID, $this->data );
+		do_action('wpinv_pre_delete_discount', $this->ID, $this->data);
+		wp_cache_delete($this->ID, 'WPInv_Discounts');
+    	wp_delete_post($this->ID, true);
+		wp_cache_delete($this->code, 'WPInv_Discount_Codes');
+    	do_action('wpinv_post_delete_discount', $this->ID, $this->data);
 
 		$this->ID = null;
 		$this->data['id'] = null;
@@ -747,21 +747,21 @@ 
 	 * @param int $by The number of usages to increas by.
 	 * @return int
 	 */
-	public function increase_usage( $by = 1 ) {
+	public function increase_usage($by = 1) {
 
 		$this->uses = $this->uses + $by;
 
-		if( $this->uses  < 0 ) {
+		if ($this->uses < 0) {
 			$this->uses = 0;
-			update_post_meta( $this->ID, "_wpi_discount_uses", 0 );
+			update_post_meta($this->ID, "_wpi_discount_uses", 0);
 		}
 
 		$this->save();
 
-		if( $by > 0 ) {
-			do_action( 'wpinv_discount_increase_use_count', $this->uses, $this->ID, $this->code, $by );
+		if ($by > 0) {
+			do_action('wpinv_discount_increase_use_count', $this->uses, $this->ID, $this->code, $by);
 		} else {
-			do_action( 'wpinv_discount_decrease_use_count', $this->uses, $this->ID, $this->code, absint( $by ) );
+			do_action('wpinv_discount_decrease_use_count', $this->uses, $this->ID, $this->code, absint($by));
 		}
 		
 		return $this->uses;
@@ -775,8 +775,8 @@ 
 	 */
 	public function get_data() {
 		$return = array();
-		foreach( array_keys( $this->data ) as $key ) {
-			$return[ $key ] = $this->get( $key );
+		foreach (array_keys($this->data) as $key) {
+			$return[$key] = $this->get($key);
 		}
 		return $return;
 	}
@@ -788,7 +788,7 @@ 
 	 * @return string|false
 	 */
 	public function get_data_as_json() {
-		return wp_json_encode( $this->get_data() );
+		return wp_json_encode($this->get_data());
 	}
 
 	/**
@@ -798,7 +798,7 @@ 
 	 * @return bool
 	 */
 	public function get_is_single_use() {
-		return (bool) apply_filters( 'wpinv_is_discount_single_use', $this->data['is_single_use'], $this->ID, $this, $this->code );
+		return (bool) apply_filters('wpinv_is_discount_single_use', $this->data['is_single_use'], $this->ID, $this, $this->code);
 	}
 
 	/**
@@ -808,7 +808,7 @@ 
 	 * @return bool
 	 */
 	public function get_is_recurring() {
-		return (bool) apply_filters( 'wpinv_is_discount_recurring', $this->data['is_recurring'], $this->ID, $this->code, $this );
+		return (bool) apply_filters('wpinv_is_discount_recurring', $this->data['is_recurring'], $this->ID, $this->code, $this);
 	}
 
 	/**
@@ -818,7 +818,7 @@ 
 	 * @return array
 	 */
 	public function get_items() {
-		return wpinv_parse_list( apply_filters( 'wpinv_get_discount_item_reqs', $this->data['items'], $this->ID, $this, $this->code ) );
+		return wpinv_parse_list(apply_filters('wpinv_get_discount_item_reqs', $this->data['items'], $this->ID, $this, $this->code));
 	}
 
 	/**
@@ -827,19 +827,19 @@ 
 	 * @since 1.0.15
 	 * @return float
 	 */
-	public function get_discounted_amount( $amount ) {
+	public function get_discounted_amount($amount) {
 
-		if ( $this->type == 'flat' ) {
+		if ($this->type == 'flat') {
             $amount = $amount - $this->amount;
 		} else {
-            $amount = $amount - ( $amount * ( $this->amount / 100 ) );
+            $amount = $amount - ($amount * ($this->amount / 100));
 		}
 
-		if ( $amount < 0 ) {
+		if ($amount < 0) {
 			$amount = 0;
 		}
 
-		return apply_filters( 'wpinv_discounted_amount', $amount, $this->ID, $this, $this->code, $this->amount );
+		return apply_filters('wpinv_discounted_amount', $amount, $this->ID, $this, $this->code, $this->amount);
 	}
 	
 }

includes/wpinv-helper-functions.php

Spacing +408 added lines, -408 removed lines

@@ -7,132 +7,132 @@ 
  */
 
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_item_quantities_enabled() {
-    $ret = wpinv_get_option( 'item_quantities', true );
+    $ret = wpinv_get_option('item_quantities', true);
 
-    return (bool) apply_filters( 'wpinv_item_quantities_enabled', $ret );
+    return (bool) apply_filters('wpinv_item_quantities_enabled', $ret);
 }
 
 function wpinv_get_ip() {
     $ip = '127.0.0.1';
 
-    if ( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_CLIENT_IP'] );
-    } elseif ( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_X_FORWARDED_FOR'] );
-    } elseif( !empty( $_SERVER['REMOTE_ADDR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['REMOTE_ADDR'] );
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']);
+    } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
+        $ip = sanitize_text_field($_SERVER['REMOTE_ADDR']);
     }
 
-    return apply_filters( 'wpinv_get_ip', $ip );
+    return apply_filters('wpinv_get_ip', $ip);
 }
 
 function wpinv_get_user_agent() {
-    if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
-        $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
+    if (!empty($_SERVER['HTTP_USER_AGENT'])) {
+        $user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
     } else {
         $user_agent = '';
     }
 
-    return apply_filters( 'wpinv_get_user_agent', $user_agent );
+    return apply_filters('wpinv_get_user_agent', $user_agent);
 }
 
-function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
+function wpinv_sanitize_amount($amount, $decimals = NULL) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
     // Sanitize the amount
-    if ( $decimal_sep == ',' && false !== ( $found = strpos( $amount, $decimal_sep ) ) ) {
-        if ( ( $thousands_sep == '.' || $thousands_sep == ' ' ) && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-            $amount = str_replace( $thousands_sep, '', $amount );
-        } elseif( empty( $thousands_sep ) && false !== ( $found = strpos( $amount, '.' ) ) ) {
-            $amount = str_replace( '.', '', $amount );
+    if ($decimal_sep == ',' && false !== ($found = strpos($amount, $decimal_sep))) {
+        if (($thousands_sep == '.' || $thousands_sep == ' ') && false !== ($found = strpos($amount, $thousands_sep))) {
+            $amount = str_replace($thousands_sep, '', $amount);
+        } elseif (empty($thousands_sep) && false !== ($found = strpos($amount, '.'))) {
+            $amount = str_replace('.', '', $amount);
         }
 
-        $amount = str_replace( $decimal_sep, '.', $amount );
-    } elseif( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( $thousands_sep, '', $amount );
+        $amount = str_replace($decimal_sep, '.', $amount);
+    } elseif ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace($thousands_sep, '', $amount);
     }
 
-    if( $amount < 0 ) {
+    if ($amount < 0) {
         $is_negative = true;
     }
 
-    $amount   = preg_replace( '/[^0-9\.]/', '', $amount );
+    $amount   = preg_replace('/[^0-9\.]/', '', $amount);
 
-    $decimals = apply_filters( 'wpinv_sanitize_amount_decimals', absint( $decimals ), $amount );
-    $amount   = number_format( (double) $amount, absint( $decimals ), '.', '' );
+    $decimals = apply_filters('wpinv_sanitize_amount_decimals', absint($decimals), $amount);
+    $amount   = number_format((double) $amount, absint($decimals), '.', '');
 
-    if( $is_negative ) {
+    if ($is_negative) {
         $amount *= -1;
     }
 
-    return apply_filters( 'wpinv_sanitize_amount', $amount, $decimals );
+    return apply_filters('wpinv_sanitize_amount', $amount, $decimals);
 }
-add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_round_amount( $amount, $decimals = NULL ) {
-    if ( $decimals === NULL ) {
+function wpinv_round_amount($amount, $decimals = NULL) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
     
-    $amount = round( (double)$amount, wpinv_currency_decimal_filter( absint( $decimals ) ) );
+    $amount = round((double) $amount, wpinv_currency_decimal_filter(absint($decimals)));
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
-function wpinv_get_invoice_statuses( $draft = false, $trashed = false, $invoice = false ) {
+function wpinv_get_invoice_statuses($draft = false, $trashed = false, $invoice = false) {
     global $post;
 
     $invoice_statuses = array(
-        'wpi-pending' => __( 'Pending Payment', 'invoicing' ),
-        'publish' => __( 'Paid', 'invoicing'),
-        'wpi-processing' => __( 'Processing', 'invoicing' ),
-        'wpi-onhold' => __( 'On Hold', 'invoicing' ),
-        'wpi-refunded' => __( 'Refunded', 'invoicing' ),
-        'wpi-cancelled' => __( 'Cancelled', 'invoicing' ),
-        'wpi-failed' => __( 'Failed', 'invoicing' ),
-        'wpi-renewal' => __( 'Renewal Payment', 'invoicing' )
+        'wpi-pending' => __('Pending Payment', 'invoicing'),
+        'publish' => __('Paid', 'invoicing'),
+        'wpi-processing' => __('Processing', 'invoicing'),
+        'wpi-onhold' => __('On Hold', 'invoicing'),
+        'wpi-refunded' => __('Refunded', 'invoicing'),
+        'wpi-cancelled' => __('Cancelled', 'invoicing'),
+        'wpi-failed' => __('Failed', 'invoicing'),
+        'wpi-renewal' => __('Renewal Payment', 'invoicing')
     );
 
-    if ( $draft ) {
-        $invoice_statuses['draft'] = __( 'Draft', 'invoicing' );
+    if ($draft) {
+        $invoice_statuses['draft'] = __('Draft', 'invoicing');
     }
 
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_statuses', $invoice_statuses, $invoice );
+    return apply_filters('wpinv_statuses', $invoice_statuses, $invoice);
 }
 
-function wpinv_status_nicename( $status ) {
-    $statuses = wpinv_get_invoice_statuses( true, true );
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : __( $status, 'invoicing' );
+function wpinv_status_nicename($status) {
+    $statuses = wpinv_get_invoice_statuses(true, true);
+    $status   = isset($statuses[$status]) ? $statuses[$status] : __($status, 'invoicing');
 
     return $status;
 }
 
 function wpinv_get_currency() {
-    $currency = wpinv_get_option( 'currency', 'USD' );
+    $currency = wpinv_get_option('currency', 'USD');
     
-    return apply_filters( 'wpinv_currency', $currency );
+    return apply_filters('wpinv_currency', $currency);
 }
 
-function wpinv_currency_symbol( $currency = '' ) {
-    if ( empty( $currency ) ) {
+function wpinv_currency_symbol($currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
     
-    $symbols = apply_filters( 'wpinv_currency_symbols', array(
+    $symbols = apply_filters('wpinv_currency_symbols', array(
         'AED' => '&#x62f;.&#x625;',
         'AFN' => '&#x60b;',
         'ALL' => 'L',
@@ -295,209 +295,209 @@ 
         'YER' => '&#xfdfc;',
         'ZAR' => '&#82;',
         'ZMW' => 'ZK',
-    ) );
+    ));
 
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : $currency;
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : $currency;
 
-    return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
+    return apply_filters('wpinv_currency_symbol', $currency_symbol, $currency);
 }
 
 function wpinv_currency_position() {
-    $position = wpinv_get_option( 'currency_position', 'left' );
+    $position = wpinv_get_option('currency_position', 'left');
     
-    return apply_filters( 'wpinv_currency_position', $position );
+    return apply_filters('wpinv_currency_position', $position);
 }
 
 function wpinv_thousands_separator() {
-    $thousand_sep = wpinv_get_option( 'thousands_separator', ',' );
+    $thousand_sep = wpinv_get_option('thousands_separator', ',');
     
-    return apply_filters( 'wpinv_thousands_separator', $thousand_sep );
+    return apply_filters('wpinv_thousands_separator', $thousand_sep);
 }
 
 function wpinv_decimal_separator() {
-    $decimal_sep = wpinv_get_option( 'decimal_separator', '.' );
+    $decimal_sep = wpinv_get_option('decimal_separator', '.');
     
-    return apply_filters( 'wpinv_decimal_separator', $decimal_sep );
+    return apply_filters('wpinv_decimal_separator', $decimal_sep);
 }
 
 function wpinv_decimals() {
-    $decimals = apply_filters( 'wpinv_decimals', wpinv_get_option( 'decimals', 2 ) );
+    $decimals = apply_filters('wpinv_decimals', wpinv_get_option('decimals', 2));
     
-    return absint( $decimals );
+    return absint($decimals);
 }
 
 function wpinv_get_currencies() {
     $currencies = array(
-        'USD' => __( 'US Dollar', 'invoicing' ),
-        'EUR' => __( 'Euro', 'invoicing' ),
-        'GBP' => __( 'Pound Sterling', 'invoicing' ),
-        'AED' => __( 'United Arab Emirates', 'invoicing' ),
-        'AFN' => __( 'Afghan Afghani', 'invoicing' ),
-        'ALL' => __( 'Albanian Lek', 'invoicing' ),
-        'AMD' => __( 'Armenian Dram', 'invoicing' ),
-        'ANG' => __( 'Netherlands Antillean Guilder', 'invoicing' ),
-        'AOA' => __( 'Angolan Kwanza', 'invoicing' ),
-        'ARS' => __( 'Argentine Peso', 'invoicing' ),
-        'AUD' => __( 'Australian Dollar', 'invoicing' ),
-        'AWG' => __( 'Aruban Florin', 'invoicing' ),
-        'AZN' => __( 'Azerbaijani Manat', 'invoicing' ),
-        'BAM' => __( 'Bosnia and Herzegovina Convertible Marka', 'invoicing' ),
-        'BBD' => __( 'Barbadian Dollar', 'invoicing' ),
-        'BDT' => __( 'Bangladeshi Taka', 'invoicing' ),
-        'BGN' => __( 'Bulgarian Lev', 'invoicing' ),
-        'BHD' => __( 'Bahraini Dinar', 'invoicing' ),
-        'BIF' => __( 'Burundian Franc', 'invoicing' ),
-        'BMD' => __( 'Bermudian Dollar', 'invoicing' ),
-        'BND' => __( 'Brunei Dollar', 'invoicing' ),
-        'BOB' => __( 'Bolivian Boliviano', 'invoicing' ),
-        'BRL' => __( 'Brazilian Real', 'invoicing' ),
-        'BSD' => __( 'Bahamian Dollar', 'invoicing' ),
-        'BTC' => __( 'Bitcoin', 'invoicing' ),
-        'BTN' => __( 'Bhutanese Ngultrum', 'invoicing' ),
-        'BWP' => __( 'Botswana Pula', 'invoicing' ),
-        'BYN' => __( 'Belarusian Ruble', 'invoicing' ),
-        'BZD' => __( 'Belize Dollar', 'invoicing' ),
-        'CAD' => __( 'Canadian Dollar', 'invoicing' ),
-        'CDF' => __( 'Congolese Franc', 'invoicing' ),
-        'CHF' => __( 'Swiss Franc', 'invoicing' ),
-        'CLP' => __( 'Chilean Peso', 'invoicing' ),
-        'CNY' => __( 'Chinese Yuan', 'invoicing' ),
-        'COP' => __( 'Colombian Peso', 'invoicing' ),
-        'CRC' => __( 'Costa Rican Colon', 'invoicing' ),
-        'CUC' => __( 'Cuban Convertible Peso', 'invoicing' ),
-        'CUP' => __( 'Cuban Peso', 'invoicing' ),
-        'CVE' => __( 'Cape Verdean escudo', 'invoicing' ),
-        'CZK' => __( 'Czech Koruna', 'invoicing' ),
-        'DJF' => __( 'Djiboutian Franc', 'invoicing' ),
-        'DKK' => __( 'Danish Krone', 'invoicing' ),
-        'DOP' => __( 'Dominican Peso', 'invoicing' ),
-        'DZD' => __( 'Algerian Dinar', 'invoicing' ),
-        'EGP' => __( 'Egyptian Pound', 'invoicing' ),
-        'ERN' => __( 'Eritrean Nakfa', 'invoicing' ),
-        'ETB' => __( 'Ethiopian Irr', 'invoicing' ),
-        'FJD' => __( 'Fijian Dollar', 'invoicing' ),
-        'FKP' => __( 'Falkland Islands Pound', 'invoicing' ),
-        'GEL' => __( 'Georgian Lari', 'invoicing' ),
-        'GGP' => __( 'Guernsey Pound', 'invoicing' ),
-        'GHS' => __( 'Ghana Cedi', 'invoicing' ),
-        'GIP' => __( 'Gibraltar Pound', 'invoicing' ),
-        'GMD' => __( 'Gambian Dalasi', 'invoicing' ),
-        'GNF' => __( 'Guinean Franc', 'invoicing' ),
-        'GTQ' => __( 'Guatemalan Quetzal', 'invoicing' ),
-        'GYD' => __( 'Guyanese Dollar', 'invoicing' ),
-        'HKD' => __( 'Hong Kong Dollar', 'invoicing' ),
-        'HNL' => __( 'Honduran Lempira', 'invoicing' ),
-        'HRK' => __( 'Croatian Kuna', 'invoicing' ),
-        'HTG' => __( 'Haitian Gourde', 'invoicing' ),
-        'HUF' => __( 'Hungarian Forint', 'invoicing' ),
-        'IDR' => __( 'Indonesian Rupiah', 'invoicing' ),
-        'ILS' => __( 'Israeli New Shekel', 'invoicing' ),
-        'IMP' => __( 'Manx Pound', 'invoicing' ),
-        'INR' => __( 'Indian Rupee', 'invoicing' ),
-        'IQD' => __( 'Iraqi Dinar', 'invoicing' ),
-        'IRR' => __( 'Iranian Rial', 'invoicing' ),
-        'IRT' => __( 'Iranian Toman', 'invoicing' ),
-        'ISK' => __( 'Icelandic Krona', 'invoicing' ),
-        'JEP' => __( 'Jersey Pound', 'invoicing' ),
-        'JMD' => __( 'Jamaican Dollar', 'invoicing' ),
-        'JOD' => __( 'Jordanian Dinar', 'invoicing' ),
-        'JPY' => __( 'Japanese Yen', 'invoicing' ),
-        'KES' => __( 'Kenyan Shilling', 'invoicing' ),
-        'KGS' => __( 'Kyrgyzstani Som', 'invoicing' ),
-        'KHR' => __( 'Cambodian Riel', 'invoicing' ),
-        'KMF' => __( 'Comorian Franc', 'invoicing' ),
-        'KPW' => __( 'North Korean Won', 'invoicing' ),
-        'KRW' => __( 'South Korean Won', 'invoicing' ),
-        'KWD' => __( 'Kuwaiti Dinar', 'invoicing' ),
-        'KYD' => __( 'Cayman Islands Dollar', 'invoicing' ),
-        'KZT' => __( 'Kazakhstani Tenge', 'invoicing' ),
-        'LAK' => __( 'Lao Kip', 'invoicing' ),
-        'LBP' => __( 'Lebanese Pound', 'invoicing' ),
-        'LKR' => __( 'Sri Lankan Rupee', 'invoicing' ),
-        'LRD' => __( 'Liberian Dollar', 'invoicing' ),
-        'LSL' => __( 'Lesotho Loti', 'invoicing' ),
-        'LYD' => __( 'Libyan Dinar', 'invoicing' ),
-        'MAD' => __( 'Moroccan Dirham', 'invoicing' ),
-        'MDL' => __( 'Moldovan Leu', 'invoicing' ),
-        'MGA' => __( 'Malagasy Ariary', 'invoicing' ),
-        'MKD' => __( 'Macedonian Denar', 'invoicing' ),
-        'MMK' => __( 'Burmese Kyat', 'invoicing' ),
-        'MNT' => __( 'Mongolian Tughrik', 'invoicing' ),
-        'MOP' => __( 'Macanese Pataca', 'invoicing' ),
-        'MRO' => __( 'Mauritanian Ouguiya', 'invoicing' ),
-        'MUR' => __( 'Mauritian Rupee', 'invoicing' ),
-        'MVR' => __( 'Maldivian Rufiyaa', 'invoicing' ),
-        'MWK' => __( 'Malawian Kwacha', 'invoicing' ),
-        'MXN' => __( 'Mexican Peso', 'invoicing' ),
-        'MYR' => __( 'Malaysian Ringgit', 'invoicing' ),
-        'MZN' => __( 'Mozambican Metical', 'invoicing' ),
-        'NAD' => __( 'Namibian Dollar', 'invoicing' ),
-        'NGN' => __( 'Nigerian Naira', 'invoicing' ),
-        'NIO' => __( 'Nicaraguan Cordoba', 'invoicing' ),
-        'NOK' => __( 'Norwegian Krone', 'invoicing' ),
-        'NPR' => __( 'Nepalese Rupee', 'invoicing' ),
-        'NZD' => __( 'New Zealand Dollar', 'invoicing' ),
-        'OMR' => __( 'Omani Rial', 'invoicing' ),
-        'PAB' => __( 'Panamanian Balboa', 'invoicing' ),
-        'PEN' => __( 'Peruvian Nuevo Sol', 'invoicing' ),
-        'PGK' => __( 'Papua New Guinean Kina', 'invoicing' ),
-        'PHP' => __( 'Philippine Peso', 'invoicing' ),
-        'PKR' => __( 'Pakistani Rupee', 'invoicing' ),
-        'PLN' => __( 'Polish Zloty', 'invoicing' ),
-        'PRB' => __( 'Transnistrian Ruble', 'invoicing' ),
-        'PYG' => __( 'Paraguayan Guarani', 'invoicing' ),
-        'QAR' => __( 'Qatari Riyal', 'invoicing' ),
-        'RON' => __( 'Romanian Leu', 'invoicing' ),
-        'RSD' => __( 'Serbian Dinar', 'invoicing' ),
-        'RUB' => __( 'Russian Ruble', 'invoicing' ),
-        'RWF' => __( 'Rwandan Franc', 'invoicing' ),
-        'SAR' => __( 'Saudi Riyal', 'invoicing' ),
-        'SBD' => __( 'Solomon Islands Dollar', 'invoicing' ),
-        'SCR' => __( 'Seychellois Rupee', 'invoicing' ),
-        'SDG' => __( 'Sudanese Pound', 'invoicing' ),
-        'SEK' => __( 'Swedish Krona', 'invoicing' ),
-        'SGD' => __( 'Singapore Dollar', 'invoicing' ),
-        'SHP' => __( 'Saint Helena Pound', 'invoicing' ),
-        'SLL' => __( 'Sierra Leonean Leone', 'invoicing' ),
-        'SOS' => __( 'Somali Shilling', 'invoicing' ),
-        'SRD' => __( 'Surinamese Dollar', 'invoicing' ),
-        'SSP' => __( 'South Sudanese Pound', 'invoicing' ),
-        'STD' => __( 'Sao Tomean Dobra', 'invoicing' ),
-        'SYP' => __( 'Syrian Pound', 'invoicing' ),
-        'SZL' => __( 'Swazi Lilangeni', 'invoicing' ),
-        'THB' => __( 'Thai Baht', 'invoicing' ),
-        'TJS' => __( 'Tajikistani Somoni', 'invoicing' ),
-        'TMT' => __( 'Turkmenistan Manat', 'invoicing' ),
-        'TND' => __( 'Tunisian Dinar', 'invoicing' ),
-        'TOP' => __( 'Tongan Pa&#x2bb;anga', 'invoicing' ),
-        'TRY' => __( 'Turkish Lira', 'invoicing' ),
-        'TTD' => __( 'Trinidad and Tobago Dollar', 'invoicing' ),
-        'TWD' => __( 'New Taiwan Dollar', 'invoicing' ),
-        'TZS' => __( 'Tanzanian Shilling', 'invoicing' ),
-        'UAH' => __( 'Ukrainian Hryvnia', 'invoicing' ),
-        'UGX' => __( 'Ugandan Shilling', 'invoicing' ),
-        'UYU' => __( 'Uruguayan Peso', 'invoicing' ),
-        'UZS' => __( 'Uzbekistani Som', 'invoicing' ),
-        'VEF' => __( 'Venezuelan Bol&iacute;var', 'invoicing' ),
-        'VND' => __( 'Vietnamese Dong', 'invoicing' ),
-        'VUV' => __( 'Vanuatu Vatu', 'invoicing' ),
-        'WST' => __( 'Samoan Tala', 'invoicing' ),
-        'XAF' => __( 'Central African CFA Franc', 'invoicing' ),
-        'XCD' => __( 'East Caribbean Dollar', 'invoicing' ),
-        'XOF' => __( 'West African CFA Franc', 'invoicing' ),
-        'XPF' => __( 'CFP Franc', 'invoicing' ),
-        'YER' => __( 'Yemeni Rial', 'invoicing' ),
-        'ZAR' => __( 'South African Rand', 'invoicing' ),
-        'ZMW' => __( 'Zambian Kwacha', 'invoicing' ),
+        'USD' => __('US Dollar', 'invoicing'),
+        'EUR' => __('Euro', 'invoicing'),
+        'GBP' => __('Pound Sterling', 'invoicing'),
+        'AED' => __('United Arab Emirates', 'invoicing'),
+        'AFN' => __('Afghan Afghani', 'invoicing'),
+        'ALL' => __('Albanian Lek', 'invoicing'),
+        'AMD' => __('Armenian Dram', 'invoicing'),
+        'ANG' => __('Netherlands Antillean Guilder', 'invoicing'),
+        'AOA' => __('Angolan Kwanza', 'invoicing'),
+        'ARS' => __('Argentine Peso', 'invoicing'),
+        'AUD' => __('Australian Dollar', 'invoicing'),
+        'AWG' => __('Aruban Florin', 'invoicing'),
+        'AZN' => __('Azerbaijani Manat', 'invoicing'),
+        'BAM' => __('Bosnia and Herzegovina Convertible Marka', 'invoicing'),
+        'BBD' => __('Barbadian Dollar', 'invoicing'),
+        'BDT' => __('Bangladeshi Taka', 'invoicing'),
+        'BGN' => __('Bulgarian Lev', 'invoicing'),
+        'BHD' => __('Bahraini Dinar', 'invoicing'),
+        'BIF' => __('Burundian Franc', 'invoicing'),
+        'BMD' => __('Bermudian Dollar', 'invoicing'),
+        'BND' => __('Brunei Dollar', 'invoicing'),
+        'BOB' => __('Bolivian Boliviano', 'invoicing'),
+        'BRL' => __('Brazilian Real', 'invoicing'),
+        'BSD' => __('Bahamian Dollar', 'invoicing'),
+        'BTC' => __('Bitcoin', 'invoicing'),
+        'BTN' => __('Bhutanese Ngultrum', 'invoicing'),
+        'BWP' => __('Botswana Pula', 'invoicing'),
+        'BYN' => __('Belarusian Ruble', 'invoicing'),
+        'BZD' => __('Belize Dollar', 'invoicing'),
+        'CAD' => __('Canadian Dollar', 'invoicing'),
+        'CDF' => __('Congolese Franc', 'invoicing'),
+        'CHF' => __('Swiss Franc', 'invoicing'),
+        'CLP' => __('Chilean Peso', 'invoicing'),
+        'CNY' => __('Chinese Yuan', 'invoicing'),
+        'COP' => __('Colombian Peso', 'invoicing'),
+        'CRC' => __('Costa Rican Colon', 'invoicing'),
+        'CUC' => __('Cuban Convertible Peso', 'invoicing'),
+        'CUP' => __('Cuban Peso', 'invoicing'),
+        'CVE' => __('Cape Verdean escudo', 'invoicing'),
+        'CZK' => __('Czech Koruna', 'invoicing'),
+        'DJF' => __('Djiboutian Franc', 'invoicing'),
+        'DKK' => __('Danish Krone', 'invoicing'),
+        'DOP' => __('Dominican Peso', 'invoicing'),
+        'DZD' => __('Algerian Dinar', 'invoicing'),
+        'EGP' => __('Egyptian Pound', 'invoicing'),
+        'ERN' => __('Eritrean Nakfa', 'invoicing'),
+        'ETB' => __('Ethiopian Irr', 'invoicing'),
+        'FJD' => __('Fijian Dollar', 'invoicing'),
+        'FKP' => __('Falkland Islands Pound', 'invoicing'),
+        'GEL' => __('Georgian Lari', 'invoicing'),
+        'GGP' => __('Guernsey Pound', 'invoicing'),
+        'GHS' => __('Ghana Cedi', 'invoicing'),
+        'GIP' => __('Gibraltar Pound', 'invoicing'),
+        'GMD' => __('Gambian Dalasi', 'invoicing'),
+        'GNF' => __('Guinean Franc', 'invoicing'),
+        'GTQ' => __('Guatemalan Quetzal', 'invoicing'),
+        'GYD' => __('Guyanese Dollar', 'invoicing'),
+        'HKD' => __('Hong Kong Dollar', 'invoicing'),
+        'HNL' => __('Honduran Lempira', 'invoicing'),
+        'HRK' => __('Croatian Kuna', 'invoicing'),
+        'HTG' => __('Haitian Gourde', 'invoicing'),
+        'HUF' => __('Hungarian Forint', 'invoicing'),
+        'IDR' => __('Indonesian Rupiah', 'invoicing'),
+        'ILS' => __('Israeli New Shekel', 'invoicing'),
+        'IMP' => __('Manx Pound', 'invoicing'),
+        'INR' => __('Indian Rupee', 'invoicing'),
+        'IQD' => __('Iraqi Dinar', 'invoicing'),
+        'IRR' => __('Iranian Rial', 'invoicing'),
+        'IRT' => __('Iranian Toman', 'invoicing'),
+        'ISK' => __('Icelandic Krona', 'invoicing'),
+        'JEP' => __('Jersey Pound', 'invoicing'),
+        'JMD' => __('Jamaican Dollar', 'invoicing'),
+        'JOD' => __('Jordanian Dinar', 'invoicing'),
+        'JPY' => __('Japanese Yen', 'invoicing'),
+        'KES' => __('Kenyan Shilling', 'invoicing'),
+        'KGS' => __('Kyrgyzstani Som', 'invoicing'),
+        'KHR' => __('Cambodian Riel', 'invoicing'),
+        'KMF' => __('Comorian Franc', 'invoicing'),
+        'KPW' => __('North Korean Won', 'invoicing'),
+        'KRW' => __('South Korean Won', 'invoicing'),
+        'KWD' => __('Kuwaiti Dinar', 'invoicing'),
+        'KYD' => __('Cayman Islands Dollar', 'invoicing'),
+        'KZT' => __('Kazakhstani Tenge', 'invoicing'),
+        'LAK' => __('Lao Kip', 'invoicing'),
+        'LBP' => __('Lebanese Pound', 'invoicing'),
+        'LKR' => __('Sri Lankan Rupee', 'invoicing'),
+        'LRD' => __('Liberian Dollar', 'invoicing'),
+        'LSL' => __('Lesotho Loti', 'invoicing'),
+        'LYD' => __('Libyan Dinar', 'invoicing'),
+        'MAD' => __('Moroccan Dirham', 'invoicing'),
+        'MDL' => __('Moldovan Leu', 'invoicing'),
+        'MGA' => __('Malagasy Ariary', 'invoicing'),
+        'MKD' => __('Macedonian Denar', 'invoicing'),
+        'MMK' => __('Burmese Kyat', 'invoicing'),
+        'MNT' => __('Mongolian Tughrik', 'invoicing'),
+        'MOP' => __('Macanese Pataca', 'invoicing'),
+        'MRO' => __('Mauritanian Ouguiya', 'invoicing'),
+        'MUR' => __('Mauritian Rupee', 'invoicing'),
+        'MVR' => __('Maldivian Rufiyaa', 'invoicing'),
+        'MWK' => __('Malawian Kwacha', 'invoicing'),
+        'MXN' => __('Mexican Peso', 'invoicing'),
+        'MYR' => __('Malaysian Ringgit', 'invoicing'),
+        'MZN' => __('Mozambican Metical', 'invoicing'),
+        'NAD' => __('Namibian Dollar', 'invoicing'),
+        'NGN' => __('Nigerian Naira', 'invoicing'),
+        'NIO' => __('Nicaraguan Cordoba', 'invoicing'),
+        'NOK' => __('Norwegian Krone', 'invoicing'),
+        'NPR' => __('Nepalese Rupee', 'invoicing'),
+        'NZD' => __('New Zealand Dollar', 'invoicing'),
+        'OMR' => __('Omani Rial', 'invoicing'),
+        'PAB' => __('Panamanian Balboa', 'invoicing'),
+        'PEN' => __('Peruvian Nuevo Sol', 'invoicing'),
+        'PGK' => __('Papua New Guinean Kina', 'invoicing'),
+        'PHP' => __('Philippine Peso', 'invoicing'),
+        'PKR' => __('Pakistani Rupee', 'invoicing'),
+        'PLN' => __('Polish Zloty', 'invoicing'),
+        'PRB' => __('Transnistrian Ruble', 'invoicing'),
+        'PYG' => __('Paraguayan Guarani', 'invoicing'),
+        'QAR' => __('Qatari Riyal', 'invoicing'),
+        'RON' => __('Romanian Leu', 'invoicing'),
+        'RSD' => __('Serbian Dinar', 'invoicing'),
+        'RUB' => __('Russian Ruble', 'invoicing'),
+        'RWF' => __('Rwandan Franc', 'invoicing'),
+        'SAR' => __('Saudi Riyal', 'invoicing'),
+        'SBD' => __('Solomon Islands Dollar', 'invoicing'),
+        'SCR' => __('Seychellois Rupee', 'invoicing'),
+        'SDG' => __('Sudanese Pound', 'invoicing'),
+        'SEK' => __('Swedish Krona', 'invoicing'),
+        'SGD' => __('Singapore Dollar', 'invoicing'),
+        'SHP' => __('Saint Helena Pound', 'invoicing'),
+        'SLL' => __('Sierra Leonean Leone', 'invoicing'),
+        'SOS' => __('Somali Shilling', 'invoicing'),
+        'SRD' => __('Surinamese Dollar', 'invoicing'),
+        'SSP' => __('South Sudanese Pound', 'invoicing'),
+        'STD' => __('Sao Tomean Dobra', 'invoicing'),
+        'SYP' => __('Syrian Pound', 'invoicing'),
+        'SZL' => __('Swazi Lilangeni', 'invoicing'),
+        'THB' => __('Thai Baht', 'invoicing'),
+        'TJS' => __('Tajikistani Somoni', 'invoicing'),
+        'TMT' => __('Turkmenistan Manat', 'invoicing'),
+        'TND' => __('Tunisian Dinar', 'invoicing'),
+        'TOP' => __('Tongan Pa&#x2bb;anga', 'invoicing'),
+        'TRY' => __('Turkish Lira', 'invoicing'),
+        'TTD' => __('Trinidad and Tobago Dollar', 'invoicing'),
+        'TWD' => __('New Taiwan Dollar', 'invoicing'),
+        'TZS' => __('Tanzanian Shilling', 'invoicing'),
+        'UAH' => __('Ukrainian Hryvnia', 'invoicing'),
+        'UGX' => __('Ugandan Shilling', 'invoicing'),
+        'UYU' => __('Uruguayan Peso', 'invoicing'),
+        'UZS' => __('Uzbekistani Som', 'invoicing'),
+        'VEF' => __('Venezuelan Bol&iacute;var', 'invoicing'),
+        'VND' => __('Vietnamese Dong', 'invoicing'),
+        'VUV' => __('Vanuatu Vatu', 'invoicing'),
+        'WST' => __('Samoan Tala', 'invoicing'),
+        'XAF' => __('Central African CFA Franc', 'invoicing'),
+        'XCD' => __('East Caribbean Dollar', 'invoicing'),
+        'XOF' => __('West African CFA Franc', 'invoicing'),
+        'XPF' => __('CFP Franc', 'invoicing'),
+        'YER' => __('Yemeni Rial', 'invoicing'),
+        'ZAR' => __('South African Rand', 'invoicing'),
+        'ZMW' => __('Zambian Kwacha', 'invoicing'),
     );
     
     //asort( $currencies ); // this
 
-    return apply_filters( 'wpinv_currencies', $currencies );
+    return apply_filters('wpinv_currencies', $currencies);
 }
 
-function wpinv_price( $amount = '', $currency = '' ) {
-    if( empty( $currency ) ) {
+function wpinv_price($amount = '', $currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
@@ -505,14 +505,14 @@ 
 
     $negative = $amount < 0;
 
-    if ( $negative ) {
-        $amount = substr( $amount, 1 );
+    if ($negative) {
+        $amount = substr($amount, 1);
     }
 
-    $symbol = wpinv_currency_symbol( $currency );
+    $symbol = wpinv_currency_symbol($currency);
 
-    if ( $position == 'left' || $position == 'left_space' ) {
-        switch ( $currency ) {
+    if ($position == 'left' || $position == 'left_space') {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -524,15 +524,15 @@ 
             case "NZD" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
             default :
                 //$price = $currency . ' ' . $amount;
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
         }
     } else {
-        switch ( $currency ) {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -543,83 +543,83 @@ 
             case "MXN" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
             default :
                 //$price = $amount . ' ' . $currency;
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
         }
     }
     
-    if ( $negative ) {
+    if ($negative) {
         $price = '-' . $price;
     }
     
-    $price = apply_filters( 'wpinv_' . strtolower( $currency ) . '_currency_filter_' . $position, $price, $currency, $amount );
+    $price = apply_filters('wpinv_' . strtolower($currency) . '_currency_filter_' . $position, $price, $currency, $amount);
 
     return $price;
 }
 
-function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
+function wpinv_format_amount($amount, $decimals = NULL, $calculate = false) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
 
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $decimal_sep == ',' && false !== ( $sep_found = strpos( $amount, $decimal_sep ) ) ) {
-        $whole = substr( $amount, 0, $sep_found );
-        $part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) );
+    if ($decimal_sep == ',' && false !== ($sep_found = strpos($amount, $decimal_sep))) {
+        $whole = substr($amount, 0, $sep_found);
+        $part = substr($amount, $sep_found + 1, (strlen($amount) - 1));
         $amount = $whole . '.' . $part;
     }
 
-    if ( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ',', '', $amount );
+    if ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(',', '', $amount);
     }
 
-    if ( $thousands_sep == ' ' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ' ', '', $amount );
+    if ($thousands_sep == ' ' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(' ', '', $amount);
     }
 
-    if ( empty( $amount ) ) {
+    if (empty($amount)) {
         $amount = 0;
     }
     
-    $decimals  = apply_filters( 'wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate );
-    $formatted = number_format( (float)$amount, $decimals, $decimal_sep, $thousands_sep );
+    $decimals  = apply_filters('wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate);
+    $formatted = number_format((float) $amount, $decimals, $decimal_sep, $thousands_sep);
     
-    if ( $calculate ) {
-        if ( $thousands_sep === "," ) {
-            $formatted = str_replace( ",", "", $formatted );
+    if ($calculate) {
+        if ($thousands_sep === ",") {
+            $formatted = str_replace(",", "", $formatted);
         }
         
-        if ( $decimal_sep === "," ) {
-            $formatted = str_replace( ",", ".", $formatted );
+        if ($decimal_sep === ",") {
+            $formatted = str_replace(",", ".", $formatted);
         }
     }
 
-    return apply_filters( 'wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate );
+    return apply_filters('wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate);
 }
-add_filter( 'wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_sanitize_key( $key ) {
+function wpinv_sanitize_key($key) {
     $raw_key = $key;
-    $key = preg_replace( '/[^a-zA-Z0-9_\-\.\:\/]/', '', $key );
+    $key = preg_replace('/[^a-zA-Z0-9_\-\.\:\/]/', '', $key);
 
-    return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
+    return apply_filters('wpinv_sanitize_key', $key, $raw_key);
 }
 
-function wpinv_get_file_extension( $str ) {
-    $parts = explode( '.', $str );
-    return end( $parts );
+function wpinv_get_file_extension($str) {
+    $parts = explode('.', $str);
+    return end($parts);
 }
 
-function wpinv_string_is_image_url( $str ) {
-    $ext = wpinv_get_file_extension( $str );
+function wpinv_string_is_image_url($str) {
+    $ext = wpinv_get_file_extension($str);
 
-    switch ( strtolower( $ext ) ) {
+    switch (strtolower($ext)) {
         case 'jpeg';
         case 'jpg';
             $return = true;
@@ -635,32 +635,32 @@ 
             break;
     }
 
-    return (bool)apply_filters( 'wpinv_string_is_image', $return, $str );
+    return (bool) apply_filters('wpinv_string_is_image', $return, $str);
 }
 
-function wpinv_error_log( $log, $title = '', $file = '', $line = '', $exit = false ) {
-    $should_log = apply_filters( 'wpinv_log_errors', WP_DEBUG );
+function wpinv_error_log($log, $title = '', $file = '', $line = '', $exit = false) {
+    $should_log = apply_filters('wpinv_log_errors', WP_DEBUG);
     
-    if ( true === $should_log ) {
+    if (true === $should_log) {
         $label = '';
-        if ( $file && $file !== '' ) {
-            $label .= basename( $file ) . ( $line ? '(' . $line . ')' : '' );
+        if ($file && $file !== '') {
+            $label .= basename($file) . ($line ? '(' . $line . ')' : '');
         }
         
-        if ( $title && $title !== '' ) {
+        if ($title && $title !== '') {
             $label = $label !== '' ? $label . ' ' : '';
             $label .= $title . ' ';
         }
         
-        $label = $label !== '' ? trim( $label ) . ' : ' : '';
+        $label = $label !== '' ? trim($label) . ' : ' : '';
         
-        if ( is_array( $log ) || is_object( $log ) ) {
-            error_log( $label . print_r( $log, true ) );
+        if (is_array($log) || is_object($log)) {
+            error_log($label . print_r($log, true));
         } else {
-            error_log( $label . $log );
+            error_log($label . $log);
         }
         
-        if ( $exit ) {
+        if ($exit) {
             exit;
         }
     }
@@ -668,65 +668,65 @@ 
 
 function wpinv_is_ajax_disabled() {
     $retval = false;
-    return apply_filters( 'wpinv_is_ajax_disabled', $retval );
+    return apply_filters('wpinv_is_ajax_disabled', $retval);
 }
 
-function wpinv_get_current_page_url( $nocache = false ) {
+function wpinv_get_current_page_url($nocache = false) {
     global $wp;
 
-    if ( get_option( 'permalink_structure' ) ) {
-        $base = trailingslashit( home_url( $wp->request ) );
+    if (get_option('permalink_structure')) {
+        $base = trailingslashit(home_url($wp->request));
     } else {
-        $base = add_query_arg( $wp->query_string, '', trailingslashit( home_url( $wp->request ) ) );
-        $base = remove_query_arg( array( 'post_type', 'name' ), $base );
+        $base = add_query_arg($wp->query_string, '', trailingslashit(home_url($wp->request)));
+        $base = remove_query_arg(array('post_type', 'name'), $base);
     }
 
     $scheme = is_ssl() ? 'https' : 'http';
-    $uri    = set_url_scheme( $base, $scheme );
+    $uri    = set_url_scheme($base, $scheme);
 
-    if ( is_front_page() ) {
-        $uri = home_url( '/' );
-    } elseif ( wpinv_is_checkout( array(), false ) ) {
+    if (is_front_page()) {
+        $uri = home_url('/');
+    } elseif (wpinv_is_checkout(array(), false)) {
         $uri = wpinv_get_checkout_uri();
     }
 
-    $uri = apply_filters( 'wpinv_get_current_page_url', $uri );
+    $uri = apply_filters('wpinv_get_current_page_url', $uri);
 
-    if ( $nocache ) {
-        $uri = wpinv_add_cache_busting( $uri );
+    if ($nocache) {
+        $uri = wpinv_add_cache_busting($uri);
     }
 
     return $uri;
 }
 
 function wpinv_get_php_arg_separator_output() {
-	return ini_get( 'arg_separator.output' );
+	return ini_get('arg_separator.output');
 }
 
-function wpinv_rgb_from_hex( $color ) {
-    $color = str_replace( '#', '', $color );
+function wpinv_rgb_from_hex($color) {
+    $color = str_replace('#', '', $color);
     // Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
-    $color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
 
     $rgb      = array();
-    $rgb['R'] = hexdec( $color{0}.$color{1} );
-    $rgb['G'] = hexdec( $color{2}.$color{3} );
-    $rgb['B'] = hexdec( $color{4}.$color{5} );
+    $rgb['R'] = hexdec($color{0} . $color{1} );
+    $rgb['G'] = hexdec($color{2} . $color{3} );
+    $rgb['B'] = hexdec($color{4} . $color{5} );
 
     return $rgb;
 }
 
-function wpinv_hex_darker( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_darker($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = $v / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v - $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -735,18 +735,18 @@ 
     return $color;
 }
 
-function wpinv_hex_lighter( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_lighter($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = 255 - $v;
         $amount      = $amount / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v + $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -755,22 +755,22 @@ 
     return $color;
 }
 
-function wpinv_light_or_dark( $color, $dark = '#000000', $light = '#FFFFFF' ) {
-    $hex = str_replace( '#', '', $color );
+function wpinv_light_or_dark($color, $dark = '#000000', $light = '#FFFFFF') {
+    $hex = str_replace('#', '', $color);
 
-    $c_r = hexdec( substr( $hex, 0, 2 ) );
-    $c_g = hexdec( substr( $hex, 2, 2 ) );
-    $c_b = hexdec( substr( $hex, 4, 2 ) );
+    $c_r = hexdec(substr($hex, 0, 2));
+    $c_g = hexdec(substr($hex, 2, 2));
+    $c_b = hexdec(substr($hex, 4, 2));
 
-    $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
+    $brightness = (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
 
     return $brightness > 155 ? $dark : $light;
 }
 
-function wpinv_format_hex( $hex ) {
-    $hex = trim( str_replace( '#', '', $hex ) );
+function wpinv_format_hex($hex) {
+    $hex = trim(str_replace('#', '', $hex));
 
-    if ( strlen( $hex ) == 3 ) {
+    if (strlen($hex) == 3) {
         $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
     }
 
@@ -790,12 +790,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_strimwidth( $str, $start, $width, $trimmaker = '', $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strimwidth' ) ) {
-        return mb_strimwidth( $str, $start, $width, $trimmaker, $encoding );
+function wpinv_utf8_strimwidth($str, $start, $width, $trimmaker = '', $encoding = 'UTF-8') {
+    if (function_exists('mb_strimwidth')) {
+        return mb_strimwidth($str, $start, $width, $trimmaker, $encoding);
     }
     
-    return wpinv_utf8_substr( $str, $start, $width, $encoding ) . $trimmaker;
+    return wpinv_utf8_substr($str, $start, $width, $encoding) . $trimmaker;
 }
 
 /**
@@ -807,28 +807,28 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the number of characters in string.
  */
-function wpinv_utf8_strlen( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        return mb_strlen( $str, $encoding );
+function wpinv_utf8_strlen($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        return mb_strlen($str, $encoding);
     }
         
-    return strlen( $str );
+    return strlen($str);
 }
 
-function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtolower' ) ) {
-        return mb_strtolower( $str, $encoding );
+function wpinv_utf8_strtolower($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtolower')) {
+        return mb_strtolower($str, $encoding);
     }
     
-    return strtolower( $str );
+    return strtolower($str);
 }
 
-function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtoupper' ) ) {
-        return mb_strtoupper( $str, $encoding );
+function wpinv_utf8_strtoupper($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtoupper')) {
+        return mb_strtoupper($str, $encoding);
     }
     
-    return strtoupper( $str );
+    return strtoupper($str);
 }
 
 /**
@@ -842,12 +842,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the first occurrence of search in the string.
  */
-function wpinv_utf8_strpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strpos' ) ) {
-        return mb_strpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strpos')) {
+        return mb_strpos($str, $find, $offset, $encoding);
     }
         
-    return strpos( $str, $find, $offset );
+    return strpos($str, $find, $offset);
 }
 
 /**
@@ -861,12 +861,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the last occurrence of search.
  */
-function wpinv_utf8_strrpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strrpos' ) ) {
-        return mb_strrpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strrpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strrpos')) {
+        return mb_strrpos($str, $find, $offset, $encoding);
     }
         
-    return strrpos( $str, $find, $offset );
+    return strrpos($str, $find, $offset);
 }
 
 /**
@@ -881,16 +881,16 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_substr( $str, $start, $length = null, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_substr' ) ) {
-        if ( $length === null ) {
-            return mb_substr( $str, $start, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+function wpinv_utf8_substr($str, $start, $length = null, $encoding = 'UTF-8') {
+    if (function_exists('mb_substr')) {
+        if ($length === null) {
+            return mb_substr($str, $start, wpinv_utf8_strlen($str, $encoding), $encoding);
         } else {
-            return mb_substr( $str, $start, $length, $encoding );
+            return mb_substr($str, $start, $length, $encoding);
         }
     }
         
-    return substr( $str, $start, $length );
+    return substr($str, $start, $length);
 }
 
 /**
@@ -902,48 +902,48 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string The width of string.
  */
-function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strwidth' ) ) {
-        return mb_strwidth( $str, $encoding );
+function wpinv_utf8_strwidth($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strwidth')) {
+        return mb_strwidth($str, $encoding);
     }
     
-    return wpinv_utf8_strlen( $str, $encoding );
+    return wpinv_utf8_strlen($str, $encoding);
 }
 
-function wpinv_utf8_ucfirst( $str, $lower_str_end = false, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        $first_letter = wpinv_utf8_strtoupper( wpinv_utf8_substr( $str, 0, 1, $encoding ), $encoding );
+function wpinv_utf8_ucfirst($str, $lower_str_end = false, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        $first_letter = wpinv_utf8_strtoupper(wpinv_utf8_substr($str, 0, 1, $encoding), $encoding);
         $str_end = "";
         
-        if ( $lower_str_end ) {
-            $str_end = wpinv_utf8_strtolower( wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding ), $encoding );
+        if ($lower_str_end) {
+            $str_end = wpinv_utf8_strtolower(wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding), $encoding);
         } else {
-            $str_end = wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+            $str_end = wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding);
         }
 
         return $first_letter . $str_end;
     }
     
-    return ucfirst( $str );
+    return ucfirst($str);
 }
 
-function wpinv_utf8_ucwords( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_convert_case' ) ) {
-        return mb_convert_case( $str, MB_CASE_TITLE, $encoding );
+function wpinv_utf8_ucwords($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_convert_case')) {
+        return mb_convert_case($str, MB_CASE_TITLE, $encoding);
     }
     
-    return ucwords( $str );
+    return ucwords($str);
 }
 
-function wpinv_period_in_days( $period, $unit ) {
-    $period = absint( $period );
+function wpinv_period_in_days($period, $unit) {
+    $period = absint($period);
     
-    if ( $period > 0 ) {
-        if ( in_array( strtolower( $unit ), array( 'w', 'week', 'weeks' ) ) ) {
+    if ($period > 0) {
+        if (in_array(strtolower($unit), array('w', 'week', 'weeks'))) {
             $period = $period * 7;
-        } else if ( in_array( strtolower( $unit ), array( 'm', 'month', 'months' ) ) ) {
+        } else if (in_array(strtolower($unit), array('m', 'month', 'months'))) {
             $period = $period * 30;
-        } else if ( in_array( strtolower( $unit ), array( 'y', 'year', 'years' ) ) ) {
+        } else if (in_array(strtolower($unit), array('y', 'year', 'years'))) {
             $period = $period * 365;
         }
     }
@@ -951,14 +951,14 @@ 
     return $period;
 }
 
-function wpinv_cal_days_in_month( $calendar, $month, $year ) {
-    if ( function_exists( 'cal_days_in_month' ) ) {
-        return cal_days_in_month( $calendar, $month, $year );
+function wpinv_cal_days_in_month($calendar, $month, $year) {
+    if (function_exists('cal_days_in_month')) {
+        return cal_days_in_month($calendar, $month, $year);
     }
 
     // Fallback in case the calendar extension is not loaded in PHP
     // Only supports Gregorian calendar
-    return date( 't', mktime( 0, 0, 0, $month, 1, $year ) );
+    return date('t', mktime(0, 0, 0, $month, 1, $year));
 }
 
 /**
@@ -969,11 +969,11 @@ 
  *
  * @return string
  */
-function wpi_help_tip( $tip, $allow_html = false ) {
-    if ( $allow_html ) {
-        $tip = wpi_sanitize_tooltip( $tip );
+function wpi_help_tip($tip, $allow_html = false) {
+    if ($allow_html) {
+        $tip = wpi_sanitize_tooltip($tip);
     } else {
-        $tip = esc_attr( $tip );
+        $tip = esc_attr($tip);
     }
 
     return '<span class="wpi-help-tip dashicons dashicons-editor-help" title="' . $tip . '"></span>';
@@ -987,8 +987,8 @@ 
  * @param string $var
  * @return string
  */
-function wpi_sanitize_tooltip( $var ) {
-    return htmlspecialchars( wp_kses( html_entity_decode( $var ), array(
+function wpi_sanitize_tooltip($var) {
+    return htmlspecialchars(wp_kses(html_entity_decode($var), array(
         'br'     => array(),
         'em'     => array(),
         'strong' => array(),
@@ -998,7 +998,7 @@ 
         'li'     => array(),
         'ol'     => array(),
         'p'      => array(),
-    ) ) );
+    )));
 }
 
 /**
@@ -1008,7 +1008,7 @@ 
  */
 function wpinv_get_screen_ids() {
 
-    $screen_id = sanitize_title( __( 'Invoicing', 'invoicing' ) );
+    $screen_id = sanitize_title(__('Invoicing', 'invoicing'));
 
     $screen_ids = array(
         'toplevel_page_' . $screen_id,
@@ -1026,7 +1026,7 @@ 
         'invoicing_page_wpi-addons',
     );
 
-    return apply_filters( 'wpinv_screen_ids', $screen_ids );
+    return apply_filters('wpinv_screen_ids', $screen_ids);
 }
 
 /**
@@ -1037,9 +1037,9 @@ 
  * @param array|string $list List of values.
  * @return array Sanitized array of values.
  */
-function wpinv_parse_list( $list ) {
-	if ( ! is_array( $list ) ) {
-		return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
+function wpinv_parse_list($list) {
+	if (!is_array($list)) {
+		return preg_split('/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY);
 	}
 
 	return $list;
@@ -1053,16 +1053,16 @@ 
  * @param string $key Type of data to fetch.
  * @return mixed Fetched data.
  */
-function wpinv_get_data( $key ) {
+function wpinv_get_data($key) {
     
     // Try fetching it from the cache.
-    $data = wp_cache_get( "wpinv-$key", 'wpinv' );
-    if( $data ) {
+    $data = wp_cache_get("wpinv-$key", 'wpinv');
+    if ($data) {
         return $data;
     }
 
-    $data = apply_filters( "wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php" );
-	wp_cache_set( "wpinv-$key", $data, 'wpinv' );
+    $data = apply_filters("wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php");
+	wp_cache_set("wpinv-$key", $data, 'wpinv');
 
 	return $data;
 }
@@ -1076,10 +1076,10 @@ 
  * @param bool $first_empty Whether or not the first item in the list should be empty
  * @return mixed Fetched data.
  */
-function wpinv_maybe_add_empty_option( $options, $first_empty ) {
+function wpinv_maybe_add_empty_option($options, $first_empty) {
 
-    if ( ! empty( $options ) && $first_empty ) {
-        return array_merge( array( '' => '' ), $options );
+    if (!empty($options) && $first_empty) {
+        return array_merge(array('' => ''), $options);
     }
     return $options;
 
@@ -1091,19 +1091,19 @@ 
  * @param mixed $var Data to sanitize.
  * @return string|array
  */
-function wpinv_clean( $var ) {
+function wpinv_clean($var) {
 
-	if ( is_array( $var ) ) {
-		return array_map( 'wpinv_clean', $var );
+	if (is_array($var)) {
+		return array_map('wpinv_clean', $var);
     }
 
-    if ( is_object( $var ) ) {
-		$object_vars = get_object_vars( $var );
-		foreach ( $object_vars as $property_name => $property_value ) {
-			$var->$property_name = wpinv_clean( $property_value );
+    if (is_object($var)) {
+		$object_vars = get_object_vars($var);
+		foreach ($object_vars as $property_name => $property_value) {
+			$var->$property_name = wpinv_clean($property_value);
         }
         return $var;
 	}
     
-    return is_string( $var ) ? sanitize_text_field( $var ) : $var;
+    return is_string($var) ? sanitize_text_field($var) : $var;
 }
\ No newline at end of file

includes/class-wpinv.php

Spacing +215 added lines, -215 removed lines

@@ -7,15 +7,15 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 class WPInv_Plugin {
     private static $instance;
     
     public static function run() {
-        if ( !isset( self::$instance ) && !( self::$instance instanceof WPInv_Plugin ) ) {
+        if (!isset(self::$instance) && !(self::$instance instanceof WPInv_Plugin)) {
             self::$instance = new WPInv_Plugin;
             self::$instance->includes();
             self::$instance->actions();
@@ -32,33 +32,33 @@ 
     }
     
     public function define_constants() {
-        define( 'WPINV_PLUGIN_DIR', plugin_dir_path( WPINV_PLUGIN_FILE ) );
-        define( 'WPINV_PLUGIN_URL', plugin_dir_url( WPINV_PLUGIN_FILE ) );
+        define('WPINV_PLUGIN_DIR', plugin_dir_path(WPINV_PLUGIN_FILE));
+        define('WPINV_PLUGIN_URL', plugin_dir_url(WPINV_PLUGIN_FILE));
     }
     
     private function actions() {
         /* Internationalize the text strings used. */
-        add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );
+        add_action('plugins_loaded', array(&$this, 'plugins_loaded'));
         
         /* Perform actions on admin initialization. */
-        add_action( 'admin_init', array( &$this, 'admin_init') );
-        add_action( 'init', array( &$this, 'init' ), 3 );
-        add_action( 'init', array( &$this, 'wpinv_actions' ) );
+        add_action('admin_init', array(&$this, 'admin_init'));
+        add_action('init', array(&$this, 'init'), 3);
+        add_action('init', array(&$this, 'wpinv_actions'));
         
-        if ( class_exists( 'BuddyPress' ) ) {
-            add_action( 'bp_include', array( &$this, 'bp_invoicing_init' ) );
+        if (class_exists('BuddyPress')) {
+            add_action('bp_include', array(&$this, 'bp_invoicing_init'));
         }
 
-        add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_scripts' ) );
-        add_action( 'widgets_init', array( &$this, 'register_widgets' ) );
+        add_action('wp_enqueue_scripts', array(&$this, 'enqueue_scripts'));
+        add_action('widgets_init', array(&$this, 'register_widgets'));
 
-        if ( is_admin() ) {
-            add_action( 'admin_enqueue_scripts', array( &$this, 'admin_enqueue_scripts' ) );
-            add_action( 'admin_body_class', array( &$this, 'admin_body_class' ) );
-            add_action( 'admin_init', array( &$this, 'init_ayecode_connect_helper' ) );
+        if (is_admin()) {
+            add_action('admin_enqueue_scripts', array(&$this, 'admin_enqueue_scripts'));
+            add_action('admin_body_class', array(&$this, 'admin_body_class'));
+            add_action('admin_init', array(&$this, 'init_ayecode_connect_helper'));
 
         } else {
-            add_filter( 'pre_get_posts', array( &$this, 'pre_get_posts' ) );
+            add_filter('pre_get_posts', array(&$this, 'pre_get_posts'));
         }
         
         /**
@@ -68,28 +68,28 @@ 
          *
          * @param WPInv_Plugin $this. Current WPInv_Plugin instance. Passed by reference.
          */
-        do_action_ref_array( 'wpinv_actions', array( &$this ) );
+        do_action_ref_array('wpinv_actions', array(&$this));
 
-        add_action( 'admin_init', array( &$this, 'activation_redirect') );
+        add_action('admin_init', array(&$this, 'activation_redirect'));
     }
 
     /**
      * Maybe show the AyeCode Connect Notice.
      */
-    public function init_ayecode_connect_helper(){
+    public function init_ayecode_connect_helper() {
         // AyeCode Connect notice
-        if ( is_admin() ){
+        if (is_admin()) {
             // set the strings so they can be translated
             $strings = array(
-                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-                'connect_button'    => __("Connect Site","invoicing"),
-                'connecting_button'    => __("Connecting...","invoicing"),
-                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!", "invoicing"),
+                'connect_external'  => __("Please confirm you wish to connect your site?", "invoicing"),
+                'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s", "invoicing"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+                'connect_button'    => __("Connect Site", "invoicing"),
+                'connecting_button'    => __("Connecting...", "invoicing"),
+                'error_localhost'   => __("This service will only work with a live domain, not a localhost.", "invoicing"),
+                'error'             => __("Something went wrong, please refresh and try again.", "invoicing"),
             );
-            new AyeCode_Connect_Helper($strings,array('wpi-addons'));
+            new AyeCode_Connect_Helper($strings, array('wpi-addons'));
         }
     }
     
@@ -97,10 +97,10 @@ 
         /* Internationalize the text strings used. */
         $this->load_textdomain();
 
-        do_action( 'wpinv_loaded' );
+        do_action('wpinv_loaded');
 
         // Fix oxygen page builder conflict
-        if ( function_exists( 'ct_css_output' ) ) {
+        if (function_exists('ct_css_output')) {
             wpinv_oxygen_fix_conflict();
         }
     }
@@ -110,229 +110,229 @@ 
      *
      * @since 1.0
      */
-    public function load_textdomain( $locale = NULL ) {
-        if ( empty( $locale ) ) {
-            $locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
+    public function load_textdomain($locale = NULL) {
+        if (empty($locale)) {
+            $locale = is_admin() && function_exists('get_user_locale') ? get_user_locale() : get_locale();
         }
 
-        $locale = apply_filters( 'plugin_locale', $locale, 'invoicing' );
+        $locale = apply_filters('plugin_locale', $locale, 'invoicing');
         
-        unload_textdomain( 'invoicing' );
-        load_textdomain( 'invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo' );
-        load_plugin_textdomain( 'invoicing', false, WPINV_PLUGIN_DIR . 'languages' );
+        unload_textdomain('invoicing');
+        load_textdomain('invoicing', WP_LANG_DIR . '/invoicing/invoicing-' . $locale . '.mo');
+        load_plugin_textdomain('invoicing', false, WPINV_PLUGIN_DIR . 'languages');
         
         /**
          * Define language constants.
          */
-        require_once( WPINV_PLUGIN_DIR . 'language.php' );
+        require_once(WPINV_PLUGIN_DIR . 'language.php');
     }
         
     public function includes() {
         global $wpinv_options;
         
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/register-settings.php');
         $wpinv_options = wpinv_get_settings();
         
-        require_once( WPINV_PLUGIN_DIR . 'vendor/autoload.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php' );
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/checkout.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-history.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/subscriptions.php' );
-	    require_once( WPINV_PLUGIN_DIR . 'widgets/buy-item.php' );
-
-        if ( !class_exists( 'WPInv_EUVat' ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php' );
+        require_once(WPINV_PLUGIN_DIR . 'vendor/autoload.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-email-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-general-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-helper-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-tax-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-template-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-address-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-invoice-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-item-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-discount-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-gateway-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-payment-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-user-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-error-functions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-post-types.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-invoice.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-discount.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-item.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-notes.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-session.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-session-handler.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-ajax.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-api.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-reports.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cache-helper.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions-db.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-subscriptions.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/wpinv-subscription.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-subscriptions-list-table.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/abstracts/abstract-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-privacy.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-ayecode-addons.php');
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-addons.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/checkout.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-history.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-receipt.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/invoice-messages.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/subscriptions.php');
+	    require_once(WPINV_PLUGIN_DIR . 'widgets/buy-item.php');
+
+        if (!class_exists('WPInv_EUVat')) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/libraries/wpinv-euvat/class-wpinv-euvat.php');
         }
         
-        $gateways = array_keys( wpinv_get_enabled_payment_gateways() );
-        if ( !empty( $gateways ) ) {
-            foreach ( $gateways as $gateway ) {
-                if ( $gateway == 'manual' ) {
+        $gateways = array_keys(wpinv_get_enabled_payment_gateways());
+        if (!empty($gateways)) {
+            foreach ($gateways as $gateway) {
+                if ($gateway == 'manual') {
                     continue;
                 }
                 
                 $gateway_file = WPINV_PLUGIN_DIR . 'includes/gateways/' . $gateway . '.php';
                 
-                if ( file_exists( $gateway_file ) ) {
-                    require_once( $gateway_file );
+                if (file_exists($gateway_file)) {
+                    require_once($gateway_file);
                 }
             }
         }
-        require_once( WPINV_PLUGIN_DIR . 'includes/gateways/manual.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/gateways/manual.php');
         
-        if ( is_admin() || ( defined( 'WP_CLI' ) && WP_CLI ) ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php' );
+        if (is_admin() || (defined('WP_CLI') && WP_CLI)) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-upgrade-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/wpinv-admin-functions.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-meta-boxes.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-recurring-admin.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php' );
-            require_once( WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php' );
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-details.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-items.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-notes.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/meta-boxes/class-mb-invoice-address.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/admin-pages.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-admin-menus.php');
+            require_once(WPINV_PLUGIN_DIR . 'includes/admin/class-wpinv-users.php');
             //require_once( WPINV_PLUGIN_DIR . 'includes/admin/subscriptions.php' );
             // load the user class only on the users.php page
             global $pagenow;
-            if($pagenow=='users.php'){
+            if ($pagenow == 'users.php') {
                 new WPInv_Admin_Users();
             }
         }
 
         // Register cli commands
-        if ( defined( 'WP_CLI' ) && WP_CLI ) {
-            require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php' );
-            WP_CLI::add_command( 'invoicing', 'WPInv_CLI' );
+        if (defined('WP_CLI') && WP_CLI) {
+            require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-cli.php');
+            WP_CLI::add_command('invoicing', 'WPInv_CLI');
         }
         
         // include css inliner
-        if ( ! class_exists( 'Emogrifier' ) && class_exists( 'DOMDocument' ) ) {
-            include_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php' );
+        if (!class_exists('Emogrifier') && class_exists('DOMDocument')) {
+            include_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php');
         }
         
-        require_once( WPINV_PLUGIN_DIR . 'includes/admin/install.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/admin/install.php');
     }
     
     public function init() {
     }
     
     public function admin_init() {
-        add_action( 'admin_print_scripts-edit.php', array( &$this, 'admin_print_scripts_edit_php' ) );
+        add_action('admin_print_scripts-edit.php', array(&$this, 'admin_print_scripts_edit_php'));
     }
 
     public function activation_redirect() {
         // Bail if no activation redirect
-        if ( !get_transient( '_wpinv_activation_redirect' ) ) {
+        if (!get_transient('_wpinv_activation_redirect')) {
             return;
         }
 
         // Delete the redirect transient
-        delete_transient( '_wpinv_activation_redirect' );
+        delete_transient('_wpinv_activation_redirect');
 
         // Bail if activating from network, or bulk
-        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+        if (is_network_admin() || isset($_GET['activate-multi'])) {
             return;
         }
 
-        wp_safe_redirect( admin_url( 'admin.php?page=wpinv-settings&tab=general' ) );
+        wp_safe_redirect(admin_url('admin.php?page=wpinv-settings&tab=general'));
         exit;
     }
     
     public function enqueue_scripts() {
-        $suffix       = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
         
-        wp_register_style( 'wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_front_style' );
+        wp_register_style('wpinv_front_style', WPINV_PLUGIN_URL . 'assets/css/invoice-front.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_front_style');
                
         // Register scripts
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
-        wp_register_script( 'wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array( 'jquery' ),  WPINV_VERSION );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
+        wp_register_script('wpinv-front-script', WPINV_PLUGIN_URL . 'assets/js/invoice-front.js', array('jquery'), WPINV_VERSION);
 
         $localize                         = array();
-        $localize['ajax_url']             = admin_url( 'admin-ajax.php' );
-        $localize['nonce']                = wp_create_nonce( 'wpinv-nonce' );
+        $localize['ajax_url']             = admin_url('admin-ajax.php');
+        $localize['nonce']                = wp_create_nonce('wpinv-nonce');
         $localize['currency_symbol']      = wpinv_currency_symbol();
         $localize['currency_pos']         = wpinv_currency_position();
         $localize['thousand_sep']         = wpinv_thousands_separator();
         $localize['decimal_sep']          = wpinv_decimal_separator();
         $localize['decimals']             = wpinv_decimals();
-        $localize['txtComplete']          = __( 'Complete', 'invoicing' );
+        $localize['txtComplete']          = __('Complete', 'invoicing');
         $localize['UseTaxes']             = wpinv_use_taxes();
-        $localize['checkoutNonce']        = wp_create_nonce( 'wpinv_checkout_nonce' );
+        $localize['checkoutNonce']        = wp_create_nonce('wpinv_checkout_nonce');
 
-        $localize = apply_filters( 'wpinv_front_js_localize', $localize );
+        $localize = apply_filters('wpinv_front_js_localize', $localize);
         
-        wp_enqueue_script( 'jquery-blockui' );
+        wp_enqueue_script('jquery-blockui');
         $autofill_api = wpinv_get_option('address_autofill_api');
         $autofill_active = wpinv_get_option('address_autofill_active');
-        if ( isset( $autofill_active ) && 1 == $autofill_active && !empty( $autofill_api ) && wpinv_is_checkout() ) {
-            if ( wp_script_is( 'google-maps-api', 'enqueued' ) ) {
-                wp_dequeue_script( 'google-maps-api' );
+        if (isset($autofill_active) && 1 == $autofill_active && !empty($autofill_api) && wpinv_is_checkout()) {
+            if (wp_script_is('google-maps-api', 'enqueued')) {
+                wp_dequeue_script('google-maps-api');
             }
-            wp_enqueue_script( 'google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array( 'jquery' ), '', false );
-            wp_enqueue_script( 'google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array( 'jquery', 'google-maps-api' ), '', true );
+            wp_enqueue_script('google-maps-api', 'https://maps.googleapis.com/maps/api/js?key=' . $autofill_api . '&libraries=places', array('jquery'), '', false);
+            wp_enqueue_script('google-maps-init', WPINV_PLUGIN_URL . 'assets/js/gaaf.js', array('jquery', 'google-maps-api'), '', true);
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        wp_enqueue_script( 'wpinv-front-script' );
-        wp_localize_script( 'wpinv-front-script', 'WPInv', $localize );
+        wp_enqueue_script('wpinv-front-script');
+        wp_localize_script('wpinv-front-script', 'WPInv', $localize);
     }
 
     public function admin_enqueue_scripts() {
         global $post, $pagenow;
         
         $post_type  = wpinv_admin_post_type();
-        $suffix     = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
-        $page       = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : '';
+        $suffix     = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+        $page       = isset($_GET['page']) ? strtolower($_GET['page']) : '';
 
         $jquery_ui_css = false;
-        if ( ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount' ) && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) ) {
+        if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $post_type == 'wpi_discount') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $jquery_ui_css = true;
-        } else if ( $page == 'wpinv-settings' || $page == 'wpinv-reports' ) {
+        } else if ($page == 'wpinv-settings' || $page == 'wpinv-reports') {
             $jquery_ui_css = true;
         }
-        if ( $jquery_ui_css ) {
-            wp_register_style( 'jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16' );
-            wp_enqueue_style( 'jquery-ui-css' );
+        if ($jquery_ui_css) {
+            wp_register_style('jquery-ui-css', WPINV_PLUGIN_URL . 'assets/css/jquery-ui' . $suffix . '.css', array(), '1.8.16');
+            wp_enqueue_style('jquery-ui-css');
         }
 
-        wp_register_style( 'wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_meta_box_style' );
+        wp_register_style('wpinv_meta_box_style', WPINV_PLUGIN_URL . 'assets/css/meta-box.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_meta_box_style');
         
-        wp_register_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), WPINV_VERSION );
-        wp_enqueue_style( 'wpinv_admin_style' );
+        wp_register_style('wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array(), WPINV_VERSION);
+        wp_enqueue_style('wpinv_admin_style');
 
-        $enqueue = ( $post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ( $pagenow == 'post-new.php' || $pagenow == 'post.php' ) );
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        $enqueue = ($post_type == 'wpi_discount' || $post_type == 'wpi_invoice' && ($pagenow == 'post-new.php' || $pagenow == 'post.php'));
+        if ($page == 'wpinv-subscriptions') {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
         
-        if ( $enqueue_datepicker = apply_filters( 'wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue ) ) {
-            wp_enqueue_script( 'jquery-ui-datepicker' );
+        if ($enqueue_datepicker = apply_filters('wpinv_admin_enqueue_jquery_ui_datepicker', $enqueue)) {
+            wp_enqueue_script('jquery-ui-datepicker');
         }
 
-        wp_enqueue_style( 'wp-color-picker' );
-        wp_enqueue_script( 'wp-color-picker' );
+        wp_enqueue_style('wp-color-picker');
+        wp_enqueue_script('wp-color-picker');
         
-        wp_register_script( 'jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array( 'jquery' ), '2.70', true );
+        wp_register_script('jquery-blockui', WPINV_PLUGIN_URL . 'assets/js/jquery.blockUI.min.js', array('jquery'), '2.70', true);
 
         if (($post_type == 'wpi_invoice' || $post_type == 'wpi_quote') && ($pagenow == 'post-new.php' || $pagenow == 'post.php')) {
             $autofill_api = wpinv_get_option('address_autofill_api');
@@ -343,20 +343,20 @@ 
             }
         }
 
-        wp_enqueue_style( "select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all' );
-        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array( 'jquery' ), WPINV_VERSION );
+        wp_enqueue_style("select2", WPINV_PLUGIN_URL . 'assets/css/select2/select2.css', array(), WPINV_VERSION, 'all');
+        wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full' . $suffix . '.js', array('jquery'), WPINV_VERSION);
 
-        wp_register_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'jquery-blockui','jquery-ui-tooltip' ),  WPINV_VERSION );
-        wp_enqueue_script( 'wpinv-admin-script' );
+        wp_register_script('wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array('jquery', 'jquery-blockui', 'jquery-ui-tooltip'), WPINV_VERSION);
+        wp_enqueue_script('wpinv-admin-script');
         
         $localize                               = array();
-        $localize['ajax_url']                   = admin_url( 'admin-ajax.php' );
-        $localize['post_ID']                    = isset( $post->ID ) ? $post->ID : '';
-        $localize['wpinv_nonce']                = wp_create_nonce( 'wpinv-nonce' );
-        $localize['add_invoice_note_nonce']     = wp_create_nonce( 'add-invoice-note' );
-        $localize['delete_invoice_note_nonce']  = wp_create_nonce( 'delete-invoice-note' );
-        $localize['invoice_item_nonce']         = wp_create_nonce( 'invoice-item' );
-        $localize['billing_details_nonce']      = wp_create_nonce( 'get-billing-details' );
+        $localize['ajax_url']                   = admin_url('admin-ajax.php');
+        $localize['post_ID']                    = isset($post->ID) ? $post->ID : '';
+        $localize['wpinv_nonce']                = wp_create_nonce('wpinv-nonce');
+        $localize['add_invoice_note_nonce']     = wp_create_nonce('add-invoice-note');
+        $localize['delete_invoice_note_nonce']  = wp_create_nonce('delete-invoice-note');
+        $localize['invoice_item_nonce']         = wp_create_nonce('invoice-item');
+        $localize['billing_details_nonce']      = wp_create_nonce('get-billing-details');
         $localize['tax']                        = wpinv_tax_amount();
         $localize['discount']                   = wpinv_discount_amount();
         $localize['currency_symbol']            = wpinv_currency_symbol();
@@ -364,69 +364,69 @@ 
         $localize['thousand_sep']               = wpinv_thousands_separator();
         $localize['decimal_sep']                = wpinv_decimal_separator();
         $localize['decimals']                   = wpinv_decimals();
-        $localize['save_invoice']               = __( 'Save Invoice', 'invoicing' );
-        $localize['status_publish']             = wpinv_status_nicename( 'publish' );
-        $localize['status_pending']             = wpinv_status_nicename( 'wpi-pending' );
-        $localize['delete_tax_rate']            = __( 'Are you sure you wish to delete this tax rate?', 'invoicing' );
-        $localize['OneItemMin']                 = __( 'Invoice must contain at least one item', 'invoicing' );
-        $localize['DeleteInvoiceItem']          = __( 'Are you sure you wish to delete this item?', 'invoicing' );
-        $localize['FillBillingDetails']         = __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' );
-        $localize['confirmCalcTotals']          = __( 'Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing' );
-        $localize['AreYouSure']                 = __( 'Are you sure?', 'invoicing' );
-        $localize['emptyInvoice']               = __( 'Add at least one item to save invoice!', 'invoicing' );
-        $localize['errDeleteItem']              = __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' );
-        $localize['delete_subscription']        = __( 'Are you sure you want to delete this subscription?', 'invoicing' );
-        $localize['action_edit']                = __( 'Edit', 'invoicing' );
-        $localize['action_cancel']              = __( 'Cancel', 'invoicing' );
-
-        $localize = apply_filters( 'wpinv_admin_js_localize', $localize );
-
-        wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', $localize );
-
-        if ( $page == 'wpinv-subscriptions' ) {
-            wp_register_script( 'wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array( 'wpinv-admin-script' ),  WPINV_VERSION );
-            wp_enqueue_script( 'wpinv-sub-admin-script' );
+        $localize['save_invoice']               = __('Save Invoice', 'invoicing');
+        $localize['status_publish']             = wpinv_status_nicename('publish');
+        $localize['status_pending']             = wpinv_status_nicename('wpi-pending');
+        $localize['delete_tax_rate']            = __('Are you sure you wish to delete this tax rate?', 'invoicing');
+        $localize['OneItemMin']                 = __('Invoice must contain at least one item', 'invoicing');
+        $localize['DeleteInvoiceItem']          = __('Are you sure you wish to delete this item?', 'invoicing');
+        $localize['FillBillingDetails']         = __('Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing');
+        $localize['confirmCalcTotals']          = __('Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing');
+        $localize['AreYouSure']                 = __('Are you sure?', 'invoicing');
+        $localize['emptyInvoice']               = __('Add at least one item to save invoice!', 'invoicing');
+        $localize['errDeleteItem']              = __('This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing');
+        $localize['delete_subscription']        = __('Are you sure you want to delete this subscription?', 'invoicing');
+        $localize['action_edit']                = __('Edit', 'invoicing');
+        $localize['action_cancel']              = __('Cancel', 'invoicing');
+
+        $localize = apply_filters('wpinv_admin_js_localize', $localize);
+
+        wp_localize_script('wpinv-admin-script', 'WPInv_Admin', $localize);
+
+        if ($page == 'wpinv-subscriptions') {
+            wp_register_script('wpinv-sub-admin-script', WPINV_PLUGIN_URL . 'assets/js/subscriptions.js', array('wpinv-admin-script'), WPINV_VERSION);
+            wp_enqueue_script('wpinv-sub-admin-script');
         }
     }
     
-    public function admin_body_class( $classes ) {
+    public function admin_body_class($classes) {
         global $pagenow, $post, $current_screen;
         
-        if ( !empty( $current_screen->post_type ) && ( $current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_quote' ) ) {
+        if (!empty($current_screen->post_type) && ($current_screen->post_type == 'wpi_invoice' || $current_screen->post_type == 'wpi_quote')) {
             $classes .= ' wpinv-cpt';
         }
         
-        $page = isset( $_GET['page'] ) ? strtolower( $_GET['page'] ) : false;
+        $page = isset($_GET['page']) ? strtolower($_GET['page']) : false;
 
-        $add_class = $page && $pagenow == 'admin.php' && strpos( $page, 'wpinv-' ) === 0 ? true : false;
-        if ( $add_class ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( $page );
+        $add_class = $page && $pagenow == 'admin.php' && strpos($page, 'wpinv-') === 0 ? true : false;
+        if ($add_class) {
+            $classes .= ' wpi-' . wpinv_sanitize_key($page);
         }
         
         $settings_class = array();
-        if ( $page == 'wpinv-settings' ) {
-            if ( !empty( $_REQUEST['tab'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['tab'] );
+        if ($page == 'wpinv-settings') {
+            if (!empty($_REQUEST['tab'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['tab']);
             }
             
-            if ( !empty( $_REQUEST['section'] ) ) {
-                $settings_class[] = sanitize_text_field( $_REQUEST['section'] );
+            if (!empty($_REQUEST['section'])) {
+                $settings_class[] = sanitize_text_field($_REQUEST['section']);
             }
             
-            $settings_class[] = isset( $_REQUEST['wpi_sub'] ) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field( $_REQUEST['wpi_sub'] ) : 'main';
+            $settings_class[] = isset($_REQUEST['wpi_sub']) && $_REQUEST['wpi_sub'] !== '' ? sanitize_text_field($_REQUEST['wpi_sub']) : 'main';
         }
         
-        if ( !empty( $settings_class ) ) {
-            $classes .= ' wpi-' . wpinv_sanitize_key( implode( $settings_class, '-' ) );
+        if (!empty($settings_class)) {
+            $classes .= ' wpi-' . wpinv_sanitize_key(implode($settings_class, '-'));
         }
         
         $post_type = wpinv_admin_post_type();
 
-        if ( $post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false ) {
+        if ($post_type == 'wpi_invoice' || $post_type == 'wpi_quote' || $add_class !== false) {
             return $classes .= ' wpinv';
         }
         
-        if ( $pagenow == 'post.php' && $post_type == 'wpi_item' && !empty( $post ) && !wpinv_item_is_editable( $post ) ) {
+        if ($pagenow == 'post.php' && $post_type == 'wpi_item' && !empty($post) && !wpinv_item_is_editable($post)) {
             $classes .= ' wpi-editable-n';
         }
 
@@ -438,21 +438,21 @@ 
     }
     
     public function wpinv_actions() {
-        if ( isset( $_REQUEST['wpi_action'] ) ) {
-            do_action( 'wpinv_' . wpinv_sanitize_key( $_REQUEST['wpi_action'] ), $_REQUEST );
+        if (isset($_REQUEST['wpi_action'])) {
+            do_action('wpinv_' . wpinv_sanitize_key($_REQUEST['wpi_action']), $_REQUEST);
         }
     }
     
-    public function pre_get_posts( $wp_query ) {
-        if ( !empty( $wp_query->query_vars['post_type'] ) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query() ) {
-            $wp_query->query_vars['post_status'] = array_keys( wpinv_get_invoice_statuses() );
+    public function pre_get_posts($wp_query) {
+        if (!empty($wp_query->query_vars['post_type']) && $wp_query->query_vars['post_type'] == 'wpi_invoice' && is_user_logged_in() && is_single() && $wp_query->is_main_query()) {
+            $wp_query->query_vars['post_status'] = array_keys(wpinv_get_invoice_statuses());
         }
         
         return $wp_query;
     }
     
     public function bp_invoicing_init() {
-        require_once( WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php' );
+        require_once(WPINV_PLUGIN_DIR . 'includes/class-wpinv-bp-core.php');
     }
 
 	/**
@@ -460,11 +460,11 @@ 
 	 *
 	 */
 	public function register_widgets() {
-		register_widget( "WPInv_Checkout_Widget" );
-		register_widget( "WPInv_History_Widget" );
-		register_widget( "WPInv_Receipt_Widget" );
-		register_widget( "WPInv_Subscriptions_Widget" );
-		register_widget( "WPInv_Buy_Item_Widget" );
-		register_widget( "WPInv_Messages_Widget" );
+		register_widget("WPInv_Checkout_Widget");
+		register_widget("WPInv_History_Widget");
+		register_widget("WPInv_Receipt_Widget");
+		register_widget("WPInv_Subscriptions_Widget");
+		register_widget("WPInv_Buy_Item_Widget");
+		register_widget("WPInv_Messages_Widget");
 	}
 }
\ No newline at end of file

vendor/composer/autoload_static.php

Spacing +7 added lines, -7 removed lines

@@ -6,32 +6,32 @@
 
 class ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5
 {
-    public static $files = array (
+    public static $files = array(
         '24583d3588ebda5228dd453cfaa070da' => __DIR__ . '/..' . '/ayecode/wp-font-awesome-settings/wp-font-awesome-settings.php',
     );
 
-    public static $prefixLengthsPsr4 = array (
+    public static $prefixLengthsPsr4 = array(
         'C' => 
-        array (
+        array(
             'Composer\\Installers\\' => 20,
         ),
     );
 
-    public static $prefixDirsPsr4 = array (
+    public static $prefixDirsPsr4 = array(
         'Composer\\Installers\\' => 
-        array (
+        array(
             0 => __DIR__ . '/..' . '/composer/installers/src/Composer/Installers',
         ),
     );
 
-    public static $classMap = array (
+    public static $classMap = array(
         'AyeCode_Connect_Helper' => __DIR__ . '/..' . '/ayecode/ayecode-connect-helper/ayecode-connect-helper.php',
         'WP_Super_Duper' => __DIR__ . '/..' . '/ayecode/wp-super-duper/wp-super-duper.php',
     );
 
     public static function getInitializer(ClassLoader $loader)
     {
-        return \Closure::bind(function () use ($loader) {
+        return \Closure::bind(function() use ($loader) {
             $loader->prefixLengthsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixLengthsPsr4;
             $loader->prefixDirsPsr4 = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$prefixDirsPsr4;
             $loader->classMap = ComposerStaticInit8b6d4385c391849a80038f0b0e87c8b5::$classMap;

vendor/ayecode/ayecode-connect-helper/ayecode-connect-helper.php

Spacing +78 added lines, -78 removed lines

@@ -1,10 +1,10 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
-if ( ! class_exists( "AyeCode_Connect_Helper" ) ) {
+if (!class_exists("AyeCode_Connect_Helper")) {
 	/**
 	 * Allow the quick setup and connection of our AyeCode Connect plugin.
 	 *
@@ -29,41 +29,41 @@ 
 		 * @param array $strings
 		 * @param array $pages
 		 */
-		public function __construct( $strings = array(), $pages = array() ) {
+		public function __construct($strings = array(), $pages = array()) {
 
 			// Only fire if not localhost and the current user has the right permissions.
-			if ( ! $this->is_localhost() && current_user_can( 'manage_options' ) ) {
+			if (!$this->is_localhost() && current_user_can('manage_options')) {
 
 
 				// set default strings
 				$default_strings = array(
-					'connect_title'     => __( "Thanks for choosing an AyeCode Product!" ),
-					'connect_external'  => __( "Please confirm you wish to connect your site?" ),
-					'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s" ), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>" ),
-					'connect_button'    => __( "Connect Site" ),
-					'connecting_button' => __( "Connecting..." ),
-					'error_localhost'   => __( "This service will only work with a live domain, not a localhost." ),
-					'error'             => __( "Something went wrong, please refresh and try again." ),
+					'connect_title'     => __("Thanks for choosing an AyeCode Product!"),
+					'connect_external'  => __("Please confirm you wish to connect your site?"),
+					'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+					'connect_button'    => __("Connect Site"),
+					'connecting_button' => __("Connecting..."),
+					'error_localhost'   => __("This service will only work with a live domain, not a localhost."),
+					'error'             => __("Something went wrong, please refresh and try again."),
 				);
-				$this->strings   = array_merge( $default_strings, $strings );
+				$this->strings = array_merge($default_strings, $strings);
 
 
 				// set default pages
 				$default_pages = array();
-				$this->pages   = array_merge( $default_pages, $pages );
+				$this->pages   = array_merge($default_pages, $pages);
 
 				// maybe show connect site notice
-				add_action( 'admin_notices', array( $this, 'ayecode_connect_install_notice' ) );
+				add_action('admin_notices', array($this, 'ayecode_connect_install_notice'));
 
 				// add ajax action if not already added
-				if ( ! has_action( 'wp_ajax_ayecode_connect_helper' ) ) {
-					add_action( 'wp_ajax_ayecode_connect_helper', array( $this, 'ayecode_connect_install' ) );
+				if (!has_action('wp_ajax_ayecode_connect_helper')) {
+					add_action('wp_ajax_ayecode_connect_helper', array($this, 'ayecode_connect_install'));
 				}
 			}
 
 			// add ajax action if not already added
-			if ( ! has_action( 'wp_ajax_nopriv_ayecode_connect_helper_installed' ) ) {
-				add_action( 'wp_ajax_nopriv_ayecode_connect_helper_installed', array( $this, 'ayecode_connect_helper_installed' ) );
+			if (!has_action('wp_ajax_nopriv_ayecode_connect_helper_installed')) {
+				add_action('wp_ajax_nopriv_ayecode_connect_helper_installed', array($this, 'ayecode_connect_helper_installed'));
 			}
 
 		}
@@ -71,13 +71,13 @@ 
 		/**
 		 * Give a way to check we can connect via a external redirect.
 		 */
-		public function ayecode_connect_helper_installed(){
+		public function ayecode_connect_helper_installed() {
 			$active = array(
-				'gd'    =>  defined('GEODIRECTORY_VERSION') && version_compare(GEODIRECTORY_VERSION,'2.0.0.79','>') ? 1 : 0,
-				'uwp'    =>  defined('USERSWP_VERSION') && version_compare(USERSWP_VERSION,'1.2.1.5','>') ? 1 : 0,
-				'wpi'    =>  defined('WPINV_VERSION') && version_compare(WPINV_VERSION,'1.0.14','>') ? 1 : 0,
+				'gd'    =>  defined('GEODIRECTORY_VERSION') && version_compare(GEODIRECTORY_VERSION, '2.0.0.79', '>') ? 1 : 0,
+				'uwp'    =>  defined('USERSWP_VERSION') && version_compare(USERSWP_VERSION, '1.2.1.5', '>') ? 1 : 0,
+				'wpi'    =>  defined('WPINV_VERSION') && version_compare(WPINV_VERSION, '1.0.14', '>') ? 1 : 0,
 			);
-			wp_send_json_success( $active );
+			wp_send_json_success($active);
 			wp_die();
 		}
 
@@ -88,9 +88,9 @@ 
 		 *
 		 * @return string
 		 */
-		private function format_plugin_slug( $key ) {
-			$slug = explode( '/', $key );
-			$slug = explode( '.', end( $slug ) );
+		private function format_plugin_slug($key) {
+			$slug = explode('/', $key);
+			$slug = explode('.', end($slug));
 
 			return $slug[0];
 		}
@@ -101,45 +101,45 @@ 
 		public function ayecode_connect_install() {
 
 			// bail if localhost
-			if ( $this->is_localhost() ) {
-				wp_send_json_error( $this->strings['error_localhost'] );
+			if ($this->is_localhost()) {
+				wp_send_json_error($this->strings['error_localhost']);
 			}
 
 			// Explicitly clear the event.
-			wp_clear_scheduled_hook( 'geodir_plugin_background_installer', func_get_args() );
+			wp_clear_scheduled_hook('geodir_plugin_background_installer', func_get_args());
 
 			$success     = true;
 			$plugin_slug = "ayecode-connect";
-			if ( ! empty( $plugin_slug ) ) {
-				require_once( ABSPATH . 'wp-admin/includes/file.php' );
-				require_once( ABSPATH . 'wp-admin/includes/plugin-install.php' );
-				require_once( ABSPATH . 'wp-admin/includes/class-wp-upgrader.php' );
-				require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
+			if (!empty($plugin_slug)) {
+				require_once(ABSPATH . 'wp-admin/includes/file.php');
+				require_once(ABSPATH . 'wp-admin/includes/plugin-install.php');
+				require_once(ABSPATH . 'wp-admin/includes/class-wp-upgrader.php');
+				require_once(ABSPATH . 'wp-admin/includes/plugin.php');
 
 				WP_Filesystem();
 
 				$skin              = new Automatic_Upgrader_Skin;
-				$upgrader          = new WP_Upgrader( $skin );
-				$installed_plugins = array_map( array( $this, 'format_plugin_slug' ), array_keys( get_plugins() ) );
+				$upgrader          = new WP_Upgrader($skin);
+				$installed_plugins = array_map(array($this, 'format_plugin_slug'), array_keys(get_plugins()));
 				$plugin_slug       = $plugin_slug;
 				$plugin            = $plugin_slug . '/' . $plugin_slug . '.php';
 				$installed         = false;
 				$activate          = false;
 
 				// See if the plugin is installed already
-				if ( in_array( $plugin_slug, $installed_plugins ) ) {
+				if (in_array($plugin_slug, $installed_plugins)) {
 					$installed = true;
-					$activate  = ! is_plugin_active( $plugin );
+					$activate  = !is_plugin_active($plugin);
 				}
 
 				// Install this thing!
-				if ( ! $installed ) {
+				if (!$installed) {
 
 					// Suppress feedback
 					ob_start();
 
 					try {
-						$plugin_information = plugins_api( 'plugin_information', array(
+						$plugin_information = plugins_api('plugin_information', array(
 							'slug'   => $plugin_slug,
 							'fields' => array(
 								'short_description' => false,
@@ -156,26 +156,26 @@ 
 								'author_profile'    => false,
 								'author'            => false,
 							),
-						) );
+						));
 
-						if ( is_wp_error( $plugin_information ) ) {
-							throw new Exception( $plugin_information->get_error_message() );
+						if (is_wp_error($plugin_information)) {
+							throw new Exception($plugin_information->get_error_message());
 						}
 
 						$package  = $plugin_information->download_link;
-						$download = $upgrader->download_package( $package );
+						$download = $upgrader->download_package($package);
 
-						if ( is_wp_error( $download ) ) {
-							throw new Exception( $download->get_error_message() );
+						if (is_wp_error($download)) {
+							throw new Exception($download->get_error_message());
 						}
 
-						$working_dir = $upgrader->unpack_package( $download, true );
+						$working_dir = $upgrader->unpack_package($download, true);
 
-						if ( is_wp_error( $working_dir ) ) {
-							throw new Exception( $working_dir->get_error_message() );
+						if (is_wp_error($working_dir)) {
+							throw new Exception($working_dir->get_error_message());
 						}
 
-						$result = $upgrader->install_package( array(
+						$result = $upgrader->install_package(array(
 							'source'                      => $working_dir,
 							'destination'                 => WP_PLUGIN_DIR,
 							'clear_destination'           => false,
@@ -185,15 +185,15 @@ 
 								'type'   => 'plugin',
 								'action' => 'install',
 							),
-						) );
+						));
 
-						if ( is_wp_error( $result ) ) {
-							throw new Exception( $result->get_error_message() );
+						if (is_wp_error($result)) {
+							throw new Exception($result->get_error_message());
 						}
 
 						$activate = true;
 
-					} catch ( Exception $e ) {
+					} catch (Exception $e) {
 						$success = false;
 					}
 
@@ -204,30 +204,30 @@ 
 				wp_clean_plugins_cache();
 
 				// Activate this thing
-				if ( $activate ) {
+				if ($activate) {
 					try {
-						$result = activate_plugin( $plugin );
+						$result = activate_plugin($plugin);
 
-						if ( is_wp_error( $result ) ) {
+						if (is_wp_error($result)) {
 							$success = false;
 						} else {
 							$success = true;
 						}
-					} catch ( Exception $e ) {
+					} catch (Exception $e) {
 						$success = false;
 					}
 				}
 			}
 
-			if ( $success && function_exists( 'ayecode_connect_args' ) ) {
-				ayecode_connect();// init
+			if ($success && function_exists('ayecode_connect_args')) {
+				ayecode_connect(); // init
 				$args        = ayecode_connect_args();
-				$client      = new AyeCode_Connect( $args );
-				$redirect_to = ! empty( $_POST['redirect_to'] ) ? esc_url_raw( $_POST['redirect_to'] ) : '';
-				$redirect    = $client->build_connect_url( $redirect_to );
-				wp_send_json_success( array( 'connect_url' => $redirect ) );
+				$client      = new AyeCode_Connect($args);
+				$redirect_to = !empty($_POST['redirect_to']) ? esc_url_raw($_POST['redirect_to']) : '';
+				$redirect    = $client->build_connect_url($redirect_to);
+				wp_send_json_success(array('connect_url' => $redirect));
 			} else {
-				wp_send_json_error( $this->strings['error_localhost'] );
+				wp_send_json_error($this->strings['error_localhost']);
 			}
 			wp_die();
 		}
@@ -240,7 +240,7 @@ 
 		public function is_localhost() {
 			$localhost = false;
 
-			$host              = isset( $_SERVER['HTTP_HOST'] ) ? $_SERVER['HTTP_HOST'] : '';
+			$host              = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
 			$localhost_domains = array(
 				'localhost',
 				'localhost.localdomain',
@@ -248,7 +248,7 @@ 
 				'::1'
 			);
 
-			if ( in_array( $host, $localhost_domains ) ) {
+			if (in_array($host, $localhost_domains)) {
 				$localhost = true;
 			}
 
@@ -259,7 +259,7 @@ 
 		 * Show notice to connect site.
 		 */
 		public function ayecode_connect_install_notice() {
-			if ( $this->maybe_show() ) {
+			if ($this->maybe_show()) {
 				$connect_title_string     = $this->strings['connect_title'];
 				$connect_external_string  = $this->strings['connect_external'];
 				$connect_string           = $this->strings['connect'];
@@ -301,7 +301,7 @@ 
 					</svg>
 					</span>
 					<span class="acch-float-left acch-text">
-						<h3 class="acch-title"><?php echo esc_attr( $connect_title_string ); ?></h3>
+						<h3 class="acch-title"><?php echo esc_attr($connect_title_string); ?></h3>
 					<p>
 						<?php
 						echo $connect_string;
@@ -312,14 +312,14 @@ 
 					<span class="acch-float-left acch-button">
 						<button onclick="ayecode_connect_helper(this);" id="gd-connect-site"
 						        class="button button-primary"
-						        data-connecting="<?php echo esc_attr( $connecting_button_string ); ?>"><?php echo esc_attr( $connect_button_string ) ?></button>
+						        data-connecting="<?php echo esc_attr($connecting_button_string); ?>"><?php echo esc_attr($connect_button_string) ?></button>
 					</span>
 
 				</div>
 
 				<?php
 				// only include the popup HTML if needed.
-				if ( ! empty( $_REQUEST['external-connect-request'] ) ) {
+				if (!empty($_REQUEST['external-connect-request'])) {
 					?>
 					<div id="ayecode-connect-helper-external-confirm" style="display:none;">
 						<div class="noticex notice-info acch-notice" style="border: none;">
@@ -357,13 +357,13 @@ 
 					</svg>
 					</span>
 					<span class="acch-float-left acch-text">
-						<h3 class="acch-title"><?php echo esc_attr( $connect_external_string ); ?></h3>
+						<h3 class="acch-title"><?php echo esc_attr($connect_external_string); ?></h3>
 					</span>
 
 					<span class="acch-float-left acch-button">
 						<button onclick="ayecode_connect_helper(this);" id="gd-connect-site"
 						        class="button button-primary"
-						        data-connecting="<?php echo esc_attr( $connecting_button_string ); ?>"><?php echo esc_attr( $connect_button_string ) ?></button>
+						        data-connecting="<?php echo esc_attr($connecting_button_string); ?>"><?php echo esc_attr($connect_button_string) ?></button>
 					</span>
 
 						</div>
@@ -382,7 +382,7 @@ 
 		public function script() {
 
 			// add thickbox if external request is requested
-			if ( ! empty( $_REQUEST['external-connect-request'] ) ) {
+			if (!empty($_REQUEST['external-connect-request'])) {
 				add_thickbox();
 			}
 			?>
@@ -434,7 +434,7 @@ 
 						url: ajaxurl,
 						data: {
 							action: 'ayecode_connect_helper',
-							security: '<?php echo wp_create_nonce( 'ayecode-connect-helper' );?>',
+							security: '<?php echo wp_create_nonce('ayecode-connect-helper'); ?>',
 							redirect_to: $current_url
 						},
 						beforeSend: function () {
@@ -455,7 +455,7 @@ 
 
 				<?php
 				// add thickbox if external request is requested
-				if(! empty( $_REQUEST['external-connect-request'] )) {
+				if (!empty($_REQUEST['external-connect-request'])) {
 				?>
 				jQuery(function () {
 					setTimeout(function () {
@@ -479,10 +479,10 @@ 
 			$show = false;
 
 			// check if on a page set to show
-			if ( isset( $_REQUEST['page'] ) && in_array( $_REQUEST['page'], $this->pages ) ) {
+			if (isset($_REQUEST['page']) && in_array($_REQUEST['page'], $this->pages)) {
 
 				// check if not active and connected
-				if ( ! defined( 'AYECODE_CONNECT_VERSION' ) || ! get_option( 'ayecode_connect_blog_token' ) ) {
+				if (!defined('AYECODE_CONNECT_VERSION') || !get_option('ayecode_connect_blog_token')) {
 					$show = true;
 				}