AyeCode / invoicing

includes/data-stores/class-getpaid-subscription-data-store.php

Spacing +37 added lines, -37 removed lines

@@ -4,7 +4,7 @@ 
  * GetPaid_Subscription_Data_Store class file.
  *
  */
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -50,29 +50,29 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription Subscription object.
 	 */
-	public function create( &$subscription ) {
+	public function create(&$subscription) {
 		global $wpdb;
 
 		$values  = array();
 		$formats = array();
 
 		$fields = $this->database_fields_to_data_type;
-		unset( $fields['id'] );
+		unset($fields['id']);
 
-		foreach ( $fields as $key => $format ) {
+		foreach ($fields as $key => $format) {
 			$method       = "get_$key";
-			$values[$key] = $subscription->$method( 'edit' );
+			$values[$key] = $subscription->$method('edit');
 			$formats[]    = $format;
 		}
 
-		$result = $wpdb->insert( $wpdb->prefix . 'wpinv_subscriptions', $values, $formats );
+		$result = $wpdb->insert($wpdb->prefix . 'wpinv_subscriptions', $values, $formats);
 
-		if ( $result ) {
-			$subscription->set_id( $wpdb->insert_id );
+		if ($result) {
+			$subscription->set_id($wpdb->insert_id);
 			$subscription->apply_changes();
 			$subscription->clear_cache();
-			update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
-			do_action( 'getpaid_new_subscription', $subscription );
+			update_post_meta($subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id());
+			do_action('getpaid_new_subscription', $subscription);
 			return true;
 		}
 
@@ -85,22 +85,22 @@ 
 	 * @param WPInv_Subscription $subscription Subscription object.
 	 *
 	 */
-	public function read( &$subscription ) {
+	public function read(&$subscription) {
 		global $wpdb;
 
 		$subscription->set_defaults();
 
-		if ( ! $subscription->get_id() ) {
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
-			$subscription->set_id( 0 );
+		if (!$subscription->get_id()) {
+			$subscription->last_error = __('Invalid subscription ID.', 'invoicing');
+			$subscription->set_id(0);
 			return false;
 		}
 
 		// Maybe retrieve from the cache.
-		$raw_subscription = wp_cache_get( $subscription->get_id(), 'getpaid_subscriptions' );
+		$raw_subscription = wp_cache_get($subscription->get_id(), 'getpaid_subscriptions');
 
 		// If not found, retrieve from the db.
-		if ( false === $raw_subscription ) {
+		if (false === $raw_subscription) {
 
 			$raw_subscription = $wpdb->get_row(
 				$wpdb->prepare(
@@ -110,22 +110,22 @@ 
 			);
 
 			// Update the cache with our data
-			wp_cache_set( $subscription->get_id(), $raw_subscription, 'getpaid_subscriptions' );
+			wp_cache_set($subscription->get_id(), $raw_subscription, 'getpaid_subscriptions');
 
 		}
 
-		if ( ! $raw_subscription ) {
-			$subscription->last_error = __( 'Invalid subscription ID.', 'invoicing' );
+		if (!$raw_subscription) {
+			$subscription->last_error = __('Invalid subscription ID.', 'invoicing');
 			return false;
 		}
 
-		foreach ( array_keys( $this->database_fields_to_data_type ) as $key ) {
-			$method     = "set_$key";
-			$subscription->$method( $raw_subscription->$key );
+		foreach (array_keys($this->database_fields_to_data_type) as $key) {
+			$method = "set_$key";
+			$subscription->$method($raw_subscription->$key);
 		}
 
-		$subscription->set_object_read( true );
-		do_action( 'getpaid_read_subscription', $subscription );
+		$subscription->set_object_read(true);
+		do_action('getpaid_read_subscription', $subscription);
 
 	}
 
@@ -134,22 +134,22 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription Subscription object.
 	 */
-	public function update( &$subscription ) {
+	public function update(&$subscription) {
 		global $wpdb;
 
 		$changes = $subscription->get_changes();
 		$values  = array();
 		$formats = array();
 
-		foreach ( $this->database_fields_to_data_type as $key => $format ) {
-			if ( array_key_exists( $key, $changes ) ) {
+		foreach ($this->database_fields_to_data_type as $key => $format) {
+			if (array_key_exists($key, $changes)) {
 				$method       = "get_$key";
-				$values[$key] = $subscription->$method( 'edit' );
+				$values[$key] = $subscription->$method('edit');
 				$formats[]    = $format;
 			}
 		}
 
-		if ( empty( $values ) ) {
+		if (empty($values)) {
 			return;
 		}
 
@@ -169,11 +169,11 @@ 
 		// Delete cache.
 		$subscription->clear_cache();
 
-		update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id() );
-		update_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id() );
+		update_post_meta($subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id', $subscription->get_profile_id());
+		update_post_meta($subscription->get_parent_invoice_id(), '_wpinv_subscription_id', $subscription->get_id());
 
 		// Fire a hook.
-		do_action( 'getpaid_update_subscription', $subscription );
+		do_action('getpaid_update_subscription', $subscription);
 
 	}
 
@@ -182,7 +182,7 @@ 
 	 *
 	 * @param WPInv_Subscription $subscription
 	 */
-	public function delete( &$subscription ) {
+	public function delete(&$subscription) {
 		global $wpdb;
 
 		$wpdb->query(
@@ -193,16 +193,16 @@ 
 			)
 		);
 
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id' );
-		delete_post_meta( $subscription->get_parent_invoice_id(), '_wpinv_subscription_id' );
+		delete_post_meta($subscription->get_parent_invoice_id(), '_wpinv_subscr_profile_id');
+		delete_post_meta($subscription->get_parent_invoice_id(), '_wpinv_subscription_id');
 
 		// Delete cache.
 		$subscription->clear_cache();
 
 		// Fire a hook.
-		do_action( 'getpaid_delete_subscription', $subscription );
+		do_action('getpaid_delete_subscription', $subscription);
 
-		$subscription->set_id( 0 );
+		$subscription->set_id(0);
 	}
 
 	/*

includes/data-stores/class-getpaid-data.php

Spacing +161 added lines, -161 removed lines

@@ -8,7 +8,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -117,8 +117,8 @@ 
 	 *
 	 * @param int|object|array|string $read ID to load from the DB (optional) or already queried data.
 	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
+	public function __construct($read = 0) {
+		$this->data         = array_merge($this->data, $this->extra_data);
 		$this->default_data = $this->data;
 	}
 
@@ -128,7 +128,7 @@ 
 	 * @return array
 	 */
 	public function __sleep() {
-		return array( 'id' );
+		return array('id');
 	}
 
 	/**
@@ -137,10 +137,10 @@ 
 	 * If the object no longer exists, remove the ID.
 	 */
 	public function __wakeup() {
-		$this->__construct( absint( $this->id ) );
+		$this->__construct(absint($this->id));
 
-		if ( ! empty( $this->last_error ) ) {
-			$this->set_id( 0 );
+		if (!empty($this->last_error)) {
+			$this->set_id(0);
 		}
 
 	}
@@ -152,11 +152,11 @@ 
 	 */
 	public function __clone() {
 		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
+		if (!empty($this->meta_data)) {
+			foreach ($this->meta_data as $array_key => $meta) {
+				$this->meta_data[$array_key] = clone $meta;
+				if (!empty($meta->id)) {
+					$this->meta_data[$array_key]->id = null;
 				}
 			}
 		}
@@ -199,8 +199,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
     }
 
 	/**
@@ -210,10 +210,10 @@ 
 	 * @param  bool $force_delete Should the data be deleted permanently.
 	 * @return bool result
 	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store && $this->exists() ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
+	public function delete($force_delete = false) {
+		if ($this->data_store && $this->exists()) {
+			$this->data_store->delete($this, array('force_delete' => $force_delete));
+			$this->set_id(0);
 			return true;
 		}
 		return false;
@@ -226,7 +226,7 @@ 
 	 * @return int
 	 */
 	public function save() {
-		if ( ! $this->data_store ) {
+		if (!$this->data_store) {
 			return $this->get_id();
 		}
 
@@ -236,12 +236,12 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store);
 
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
+		if ($this->get_id()) {
+			$this->data_store->update($this);
 		} else {
-			$this->data_store->create( $this );
+			$this->data_store->create($this);
 		}
 
 		/**
@@ -250,7 +250,7 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store);
 
 		return $this->get_id();
 	}
@@ -262,7 +262,7 @@ 
 	 * @return string Data in JSON format.
 	 */
 	public function __toString() {
-		return wp_json_encode( $this->get_data() );
+		return wp_json_encode($this->get_data());
 	}
 
 	/**
@@ -272,7 +272,7 @@ 
 	 * @return array
 	 */
 	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+		return array_merge(array('id' => $this->get_id()), $this->data, array('meta_data' => $this->get_meta_data()));
 	}
 
 	/**
@@ -282,7 +282,7 @@ 
 	 * @return array
 	 */
 	public function get_data_keys() {
-		return array_keys( $this->data );
+		return array_keys($this->data);
 	}
 
 	/**
@@ -292,7 +292,7 @@ 
 	 * @return array
 	 */
 	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
+		return array_keys($this->extra_data);
 	}
 
 	/**
@@ -302,8 +302,8 @@ 
 	 * @param mixed $meta Meta value to check.
 	 * @return bool
 	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
+	protected function filter_null_meta($meta) {
+		return !is_null($meta->value);
 	}
 
 	/**
@@ -314,7 +314,7 @@ 
 	 */
 	public function get_meta_data() {
 		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+		return array_values(array_filter($this->meta_data, array($this, 'filter_null_meta')));
 	}
 
 	/**
@@ -324,21 +324,21 @@ 
 	 * @param  string $key Key to check.
 	 * @return bool   true if it's an internal key, false otherwise
 	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+	protected function is_internal_meta_key($key) {
+		$internal_meta_key = !empty($key) && $this->data_store && in_array($key, $this->data_store->get_internal_meta_keys(), true);
 
-		if ( ! $internal_meta_key ) {
+		if (!$internal_meta_key) {
 			return false;
 		}
 
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+		$has_setter_or_getter = is_callable(array($this, 'set_' . $key)) || is_callable(array($this, 'get_' . $key));
 
-		if ( ! $has_setter_or_getter ) {
+		if (!$has_setter_or_getter) {
 			return false;
 		}
 
 		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+		getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing'), $key), '1.0.19');
 
 		return true;
 	}
@@ -352,20 +352,20 @@ 
 	 * @access public
 	 *
 	 */
-	public function __set( $key, $value ) {
+	public function __set($key, $value) {
 
-		if ( 'id' == strtolower( $key ) ) {
-			return $this->set_id( $value );
+		if ('id' == strtolower($key)) {
+			return $this->set_id($value);
 		}
 
-		if ( method_exists( $this, "set_$key") ) {
+		if (method_exists($this, "set_$key")) {
 
 			/* translators: %s: $key Key to set */
-			getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+			getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing'), $key), '1.0.19');
 
-			call_user_func( array( $this, "set_$key" ), $value );
+			call_user_func(array($this, "set_$key"), $value);
 		} else {
-			$this->set_prop( $key, $value );
+			$this->set_prop($key, $value);
 		}
 
 	}
@@ -373,25 +373,25 @@ 
 	/**
      * Margic method for retrieving a property.
      */
-    public function __get( $key ) {
+    public function __get($key) {
 
         // Check if we have a helper method for that.
-        if ( method_exists( $this, 'get_' . $key ) ) {
+        if (method_exists($this, 'get_' . $key)) {
 
-			if ( 'post_type' != $key ) {
+			if ('post_type' != $key) {
 				/* translators: %s: $key Key to set */
-				getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+				getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing'), $key), '1.0.19');
 			}
 
-            return call_user_func( array( $this, 'get_' . $key ) );
+            return call_user_func(array($this, 'get_' . $key));
         }
 
         // Check if the key is in the associated $post object.
-        if ( ! empty( $this->post ) && isset( $this->post->$key ) ) {
+        if (!empty($this->post) && isset($this->post->$key)) {
             return $this->post->$key;
         }
 
-		return $this->get_prop( $key );
+		return $this->get_prop($key);
 
     }
 
@@ -404,15 +404,15 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
+	public function get_meta($key = '', $single = true, $context = 'view') {
 
 		// Check if this is an internal meta key.
-		$_key = str_replace( '_wpinv', '', $key );
-		$_key = str_replace( 'wpinv', '', $_key );
-		if ( $this->is_internal_meta_key( $_key ) ) {
+		$_key = str_replace('_wpinv', '', $key);
+		$_key = str_replace('wpinv', '', $_key);
+		if ($this->is_internal_meta_key($_key)) {
 			$function = 'get_' . $_key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
+			if (is_callable(array($this, $function))) {
 				return $this->{$function}();
 			}
 		}
@@ -420,20 +420,20 @@ 
 		// Read the meta data if not yet read.
 		$this->maybe_read_meta_data();
 		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($meta_data, 'key'), $key, true);
 		$value      = $single ? '' : array();
 
-		if ( ! empty( $array_keys ) ) {
+		if (!empty($array_keys)) {
 			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
+			if ($single) {
+				$value = $meta_data[current($array_keys)]->value;
 			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+				$value = array_intersect_key($meta_data, array_flip($array_keys));
 			}
 		}
 
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+		if ('view' === $context) {
+			$value = apply_filters($this->get_hook_prefix() . $key, $value, $this);
 		}
 
 		return $value;
@@ -446,10 +446,10 @@ 
 	 * @param  string $key Meta Key.
 	 * @return boolean
 	 */
-	public function meta_exists( $key = '' ) {
+	public function meta_exists($key = '') {
 		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
+		$array_keys = wp_list_pluck($this->get_meta_data(), 'key');
+		return in_array($key, $array_keys, true);
 	}
 
 	/**
@@ -458,12 +458,12 @@ 
 	 * @since 1.0.19
 	 * @param array $data Key/Value pairs.
 	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
+	public function set_meta_data($data) {
+		if (!empty($data) && is_array($data)) {
 			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
+			foreach ($data as $meta) {
 				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+				if (isset($meta['key'], $meta['value'], $meta['id'])) {
 					$this->meta_data[] = new GetPaid_Meta_Data(
 						array(
 							'id'    => $meta['id'],
@@ -485,18 +485,18 @@ 
 	 * @param string|array $value Meta value.
 	 * @param bool         $unique Should this be a unique key?.
 	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function add_meta_data($key, $value, $unique = false) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
 		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
+		if ($unique) {
+			$this->delete_meta_data($key);
 		}
 		$this->meta_data[] = new GetPaid_Meta_Data(
 			array(
@@ -515,12 +515,12 @@ 
 	 * @param  string|array $value Meta value.
 	 * @param  int          $meta_id Meta ID.
 	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function update_meta_data($key, $value, $meta_id = 0) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
@@ -528,33 +528,33 @@ 
 
 		$array_key = false;
 
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
+		if ($meta_id) {
+			$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), $meta_id, true);
+			$array_key  = $array_keys ? current($array_keys) : false;
 		} else {
 			// Find matches by key.
 			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
+			foreach ($this->meta_data as $meta_data_array_key => $meta) {
+				if ($meta->key === $key) {
 					$matches[] = $meta_data_array_key;
 				}
 			}
 
-			if ( ! empty( $matches ) ) {
+			if (!empty($matches)) {
 				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
+				foreach ($matches as $meta_data_array_key) {
+					$this->meta_data[$meta_data_array_key]->value = null;
 				}
-				$array_key = current( $matches );
+				$array_key = current($matches);
 			}
 		}
 
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
+		if (false !== $array_key) {
+			$meta        = $this->meta_data[$array_key];
 			$meta->key   = $key;
 			$meta->value = $value;
 		} else {
-			$this->add_meta_data( $key, $value, true );
+			$this->add_meta_data($key, $value, true);
 		}
 	}
 
@@ -564,13 +564,13 @@ 
 	 * @since 1.0.19
 	 * @param string $key Meta key.
 	 */
-	public function delete_meta_data( $key ) {
+	public function delete_meta_data($key) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'key'), $key, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -581,13 +581,13 @@ 
 	 * @since 1.0.19
 	 * @param int $mid Meta ID.
 	 */
-	public function delete_meta_data_by_mid( $mid ) {
+	public function delete_meta_data_by_mid($mid) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), (int) $mid, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -598,7 +598,7 @@ 
 	 * @since 1.0.19
 	 */
 	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
+		if (is_null($this->meta_data)) {
 			$this->read_meta_data();
 		}
 	}
@@ -610,42 +610,42 @@ 
 	 * @since 1.0.19
 	 * @param bool $force_read True to force a new DB read (and update cache).
 	 */
-	public function read_meta_data( $force_read = false ) {
+	public function read_meta_data($force_read = false) {
 
 		// Reset meta data.
 		$this->meta_data = array();
 
 		// Maybe abort early.
-		if ( ! $this->get_id() || ! $this->data_store ) {
+		if (!$this->get_id() || !$this->data_store) {
 			return;
 		}
 
 		// Only read from cache if the cache key is set.
 		$cache_key = null;
-		if ( ! $force_read && ! empty( $this->cache_group ) ) {
-			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			$raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
+		if (!$force_read && !empty($this->cache_group)) {
+			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
+			$raw_meta_data = wp_cache_get($cache_key, $this->cache_group);
 		}
 
 		// Should we force read?
-		if ( empty( $raw_meta_data ) ) {
-			$raw_meta_data = $this->data_store->read_meta( $this );
+		if (empty($raw_meta_data)) {
+			$raw_meta_data = $this->data_store->read_meta($this);
 
-			if ( ! empty( $cache_key ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+			if (!empty($cache_key)) {
+				wp_cache_set($cache_key, $raw_meta_data, $this->cache_group);
 			}
 
 		}
 
 		// Set meta data.
-		if ( is_array( $raw_meta_data ) ) {
+		if (is_array($raw_meta_data)) {
 
-			foreach ( $raw_meta_data as $meta ) {
+			foreach ($raw_meta_data as $meta) {
 				$this->meta_data[] = new GetPaid_Meta_Data(
 					array(
 						'id'    => (int) $meta->meta_id,
 						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
+						'value' => maybe_unserialize($meta->meta_value),
 					)
 				);
 			}
@@ -660,28 +660,28 @@ 
 	 * @since 1.0.19
 	 */
 	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+		if (!$this->data_store || is_null($this->meta_data)) {
 			return;
 		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
+		foreach ($this->meta_data as $array_key => $meta) {
+			if (is_null($meta->value)) {
+				if (!empty($meta->id)) {
+					$this->data_store->delete_meta($this, $meta);
+					unset($this->meta_data[$array_key]);
 				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
+			} elseif (empty($meta->id)) {
+				$meta->id = $this->data_store->add_meta($this, $meta);
 				$meta->apply_changes();
 			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
+				if ($meta->get_changes()) {
+					$this->data_store->update_meta($this, $meta);
 					$meta->apply_changes();
 				}
 			}
 		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
+		if (!empty($this->cache_group)) {
+			$cache_key = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
+			wp_cache_delete($cache_key, $this->cache_group);
 		}
 	}
 
@@ -691,8 +691,8 @@ 
 	 * @since 1.0.19
 	 * @param int $id ID.
 	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
+	public function set_id($id) {
+		$this->id = absint($id);
 	}
 
 	/**
@@ -702,10 +702,10 @@ 
 	 * @param string $status New status.
 	 * @return array details of change.
 	 */
-	public function set_status( $status ) {
+	public function set_status($status) {
         $old_status = $this->get_status();
 
-		$this->set_prop( 'status', $status );
+		$this->set_prop('status', $status);
 
 		return array(
 			'from' => $old_status,
@@ -721,7 +721,7 @@ 
 	public function set_defaults() {
 		$this->data    = $this->default_data;
 		$this->changes = array();
-		$this->set_object_read( false );
+		$this->set_object_read(false);
 	}
 
 	/**
@@ -730,7 +730,7 @@ 
 	 * @since 1.0.19
 	 * @param boolean $read Should read?.
 	 */
-	public function set_object_read( $read = true ) {
+	public function set_object_read($read = true) {
 		$this->object_read = (bool) $read;
 	}
 
@@ -755,32 +755,32 @@ 
 	 *
 	 * @return bool|WP_Error
 	 */
-	public function set_props( $props, $context = 'set' ) {
+	public function set_props($props, $context = 'set') {
 		$errors = false;
 
-		foreach ( $props as $prop => $value ) {
+		foreach ($props as $prop => $value) {
 			try {
 				/**
 				 * Checks if the prop being set is allowed, and the value is not null.
 				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+				if (is_null($value) || in_array($prop, array('prop', 'date_prop', 'meta_data'), true)) {
 					continue;
 				}
 				$setter = "set_$prop";
 
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
+				if (is_callable(array($this, $setter))) {
+					$this->{$setter}($value);
 				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
+			} catch (Exception $e) {
+				if (!$errors) {
 					$errors = new WP_Error();
 				}
-				$errors->add( $e->getCode(), $e->getMessage() );
+				$errors->add($e->getCode(), $e->getMessage());
 				$this->last_error = $e->getMessage();
 			}
 		}
 
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+		return $errors && count($errors->get_error_codes()) ? $errors : true;
 	}
 
 	/**
@@ -793,14 +793,14 @@ 
 	 * @param string $prop Name of prop to set.
 	 * @param mixed  $value Value of the prop.
 	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
+	protected function set_prop($prop, $value) {
+		if (array_key_exists($prop, $this->data)) {
+			if (true === $this->object_read) {
+				if ($value !== $this->data[$prop] || array_key_exists($prop, $this->changes)) {
+					$this->changes[$prop] = $value;
 				}
 			} else {
-				$this->data[ $prop ] = $value;
+				$this->data[$prop] = $value;
 			}
 		}
 	}
@@ -821,7 +821,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function apply_changes() {
-		$this->data    = array_replace_recursive( $this->data, $this->changes );
+		$this->data    = array_replace_recursive($this->data, $this->changes);
 		$this->changes = array();
 	}
 
@@ -846,14 +846,14 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	protected function get_prop( $prop, $context = 'view' ) {
+	protected function get_prop($prop, $context = 'view') {
 		$value = null;
 
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+		if (array_key_exists($prop, $this->data)) {
+			$value = array_key_exists($prop, $this->changes) ? $this->changes[$prop] : $this->data[$prop];
 
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+			if ('view' === $context) {
+				$value = apply_filters($this->get_hook_prefix() . $prop, $value, $this);
 			}
 		}
 
@@ -867,13 +867,13 @@ 
 	 * @param string         $prop Name of prop to set.
 	 * @param string|integer $value Value of the prop.
 	 */
-	protected function set_date_prop( $prop, $value ) {
+	protected function set_date_prop($prop, $value) {
 
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
+		if (empty($value)) {
+			$this->set_prop($prop, null);
 			return;
 		}
-		$this->set_prop( $prop, $value );
+		$this->set_prop($prop, $value);
 
 	}
 
@@ -884,7 +884,7 @@ 
 	 * @param string $code             Error code.
 	 * @param string $message          Error message.
 	 */
-	protected function error( $code, $message ) {
+	protected function error($code, $message) {
 		$this->last_error = $message;
 	}
 
@@ -896,7 +896,7 @@ 
 	 */
 	public function exists() {
 		$id = $this->get_id();
-		return ! empty( $id );
+		return !empty($id);
 	}
 
 }

includes/reports/class-getpaid-reports.php

Spacing +31 added lines, -31 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Reports Class.
@@ -17,11 +17,11 @@ 
 	 *
 	 */
 	public function __construct() {
-		add_action( 'admin_menu', array( $this, 'register_reports_page' ), 20 );
-		add_action( 'wpinv_reports_tab_reports', array( $this, 'display_reports_tab' ) );
-		add_action( 'wpinv_reports_tab_export', array( $this, 'display_exports_tab' ) );
-		add_action( 'getpaid_authenticated_admin_action_download_graph', array( $this, 'download_graph' ) );
-		add_action( 'getpaid_authenticated_admin_action_export_invoices', array( $this, 'export_invoices' ) );
+		add_action('admin_menu', array($this, 'register_reports_page'), 20);
+		add_action('wpinv_reports_tab_reports', array($this, 'display_reports_tab'));
+		add_action('wpinv_reports_tab_export', array($this, 'display_exports_tab'));
+		add_action('getpaid_authenticated_admin_action_download_graph', array($this, 'download_graph'));
+		add_action('getpaid_authenticated_admin_action_export_invoices', array($this, 'export_invoices'));
 
 	}
 
@@ -33,11 +33,11 @@ 
 
 		add_submenu_page(
             'wpinv',
-            __( 'Reports', 'invoicing' ),
-            __( 'Reports', 'invoicing' ),
+            __('Reports', 'invoicing'),
+            __('Reports', 'invoicing'),
             wpinv_get_capability(),
             'wpinv-reports',
-            array( $this, 'display_reports_page' )
+            array($this, 'display_reports_page')
 		);
 
 	}
@@ -50,26 +50,26 @@ 
 
 		// Prepare variables.
 		$tabs        = $this->get_tabs();
-		$current_tab = isset( $_GET['tab'] ) ? sanitize_text_field( $_GET['tab'] ) : 'reports';
-		$current_tab = array_key_exists( $current_tab, $tabs ) ? $current_tab : 'reports';
+		$current_tab = isset($_GET['tab']) ? sanitize_text_field($_GET['tab']) : 'reports';
+		$current_tab = array_key_exists($current_tab, $tabs) ? $current_tab : 'reports';
 
 		// Display the current tab.
 		?>
 
         <div class="wrap">
 
-			<h1><?php echo sanitize_text_field( $tabs[ $current_tab ] ); ?></h1>
+			<h1><?php echo sanitize_text_field($tabs[$current_tab]); ?></h1>
 
 			<nav class="nav-tab-wrapper">
 
 				<?php
-					foreach( $tabs as $key => $label ) {
+					foreach ($tabs as $key => $label) {
 
-						$key   = sanitize_text_field( $key );
-						$label = sanitize_text_field( $label );
+						$key   = sanitize_text_field($key);
+						$label = sanitize_text_field($label);
 						$class = $key == $current_tab ? 'nav-tab nav-tab-active' : 'nav-tab';
 						$url   = esc_url(
-							add_query_arg( 'tab', $key, admin_url( 'admin.php?page=wpinv-reports' ) )
+							add_query_arg('tab', $key, admin_url('admin.php?page=wpinv-reports'))
 						);
 
 						echo "\n\t\t\t<a href='$url' class='$class'>$label</a>";
@@ -79,18 +79,18 @@ 
 
 			</nav>
 
-			<div class="bsui <?php echo esc_attr( $current_tab ); ?>">
-				<?php do_action( "wpinv_reports_tab_{$current_tab}" ); ?>
+			<div class="bsui <?php echo esc_attr($current_tab); ?>">
+				<?php do_action("wpinv_reports_tab_{$current_tab}"); ?>
 			</div>
 
         </div>
 		<?php
 
 			// Wordfence loads an unsupported version of chart js on our page.
-			wp_deregister_style( 'chart-js' );
-			wp_deregister_script( 'chart-js' );
-			wp_enqueue_script( 'chart-js', WPINV_PLUGIN_URL . 'assets/js/chart.bundle.min.js', array( 'jquery' ), '2.9.4', true );
-			wp_enqueue_style( 'chart-js', WPINV_PLUGIN_URL . 'assets/css/chart.min.css', array(), '2.9.4' );
+			wp_deregister_style('chart-js');
+			wp_deregister_script('chart-js');
+			wp_enqueue_script('chart-js', WPINV_PLUGIN_URL . 'assets/js/chart.bundle.min.js', array('jquery'), '2.9.4', true);
+			wp_enqueue_style('chart-js', WPINV_PLUGIN_URL . 'assets/css/chart.min.css', array(), '2.9.4');
 
 	}
 
@@ -102,11 +102,11 @@ 
 	public function get_tabs() {
 
 		$tabs = array(
-			'reports' => __( 'Reports', 'invoicing' ),
-			'export'  => __( 'Export', 'invoicing' ),
+			'reports' => __('Reports', 'invoicing'),
+			'export'  => __('Export', 'invoicing'),
 		);
 
-		return apply_filters( 'getpaid_report_tabs', $tabs );
+		return apply_filters('getpaid_report_tabs', $tabs);
 	}
 
 	/**
@@ -136,11 +136,11 @@ 
 	 *
 	 * @param array $args
 	 */
-	public function download_graph( $args ) {
+	public function download_graph($args) {
 
-		if ( ! empty( $args['graph'] ) ) {
+		if (!empty($args['graph'])) {
 			$downloader = new GetPaid_Graph_Downloader();
-			$downloader->download( $args['graph'] );
+			$downloader->download($args['graph']);
 		}
 
 	}
@@ -150,11 +150,11 @@ 
 	 *
 	 * @param array $args
 	 */
-	public function export_invoices( $args ) {
+	public function export_invoices($args) {
 
-		if ( ! empty( $args['post_type'] ) ) {
+		if (!empty($args['post_type'])) {
 			$downloader = new GetPaid_Invoice_Exporter();
-			$downloader->export( $args['post_type'], $args );
+			$downloader->export($args['post_type'], $args);
 		}
 
 	}

includes/admin/admin-pages.php

Spacing +71 added lines, -71 removed lines

@@ -1,16 +1,16 @@ 
 <?php
 // 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__));
 }
 
-add_action( 'manage_wpi_discount_posts_custom_column', 'wpinv_discount_custom_column' );
-function wpinv_discount_custom_column( $column ) {
+add_action('manage_wpi_discount_posts_custom_column', 'wpinv_discount_custom_column');
+function wpinv_discount_custom_column($column) {
     global $post;
 
-    $discount = new WPInv_Discount( $post );
+    $discount = new WPInv_Discount($post);
 
-    switch ( $column ) {
+    switch ($column) {
         case 'code' :
             echo $discount->get_code();
         break;
@@ -21,33 +21,33 @@ 
             echo $discount->get_usage();
         break;
         case 'start_date' :
-            echo getpaid_format_date_value( $discount->get_start_date() );
+            echo getpaid_format_date_value($discount->get_start_date());
         break;
         case 'expiry_date' :
-            echo getpaid_format_date_value( $discount->get_expiration_date(), __( 'Never', 'invoicing' ) );
+            echo getpaid_format_date_value($discount->get_expiration_date(), __('Never', 'invoicing'));
         break;
     }
 }
 
-add_filter( 'post_row_actions', 'wpinv_post_row_actions', 90, 2 );
-function wpinv_post_row_actions( $actions, $post ) {
-    $post_type = !empty( $post->post_type ) ? $post->post_type : '';
+add_filter('post_row_actions', 'wpinv_post_row_actions', 90, 2);
+function wpinv_post_row_actions($actions, $post) {
+    $post_type = !empty($post->post_type) ? $post->post_type : '';
 
-    if ( $post_type == 'wpi_discount' ) {
-        $actions = wpinv_discount_row_actions( $post, $actions );
+    if ($post_type == 'wpi_discount') {
+        $actions = wpinv_discount_row_actions($post, $actions);
     }
 
     return $actions;
 }
 
-function wpinv_discount_row_actions( $discount, $row_actions ) {
-    $row_actions  = array();
-    $edit_link = get_edit_post_link( $discount->ID );
-    $row_actions['edit'] = '<a href="' . esc_url( $edit_link ) . '">' . __( 'Edit', 'invoicing' ) . '</a>';
+function wpinv_discount_row_actions($discount, $row_actions) {
+    $row_actions = array();
+    $edit_link = get_edit_post_link($discount->ID);
+    $row_actions['edit'] = '<a href="' . esc_url($edit_link) . '">' . __('Edit', 'invoicing') . '</a>';
 
-    if ( in_array( strtolower( $discount->post_status ),  array(  'publish' ) ) ) {
+    if (in_array(strtolower($discount->post_status), array('publish'))) {
 
-        $url    = esc_url(
+        $url = esc_url(
                     wp_nonce_url(
                         add_query_arg(
                             array(
@@ -59,13 +59,13 @@ 
                         'getpaid-nonce'
                     )
                 );
-		$anchor = __( 'Deactivate', 'invoicing' );
-		$title  = esc_attr__( 'Are you sure you want to deactivate this discount?', 'invoicing' );
+		$anchor = __('Deactivate', 'invoicing');
+		$title  = esc_attr__('Are you sure you want to deactivate this discount?', 'invoicing');
         $row_actions['deactivate'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
-    } else if( in_array( strtolower( $discount->post_status ),  array( 'pending', 'draft' ) ) ) {
+    } else if (in_array(strtolower($discount->post_status), array('pending', 'draft'))) {
 
-        $url    = esc_url(
+        $url = esc_url(
             wp_nonce_url(
                 add_query_arg(
                     array(
@@ -77,13 +77,13 @@ 
                 'getpaid-nonce'
             )
         );
-		$anchor = __( 'Activate', 'invoicing' );
-		$title  = esc_attr__( 'Are you sure you want to activate this discount?', 'invoicing' );
+		$anchor = __('Activate', 'invoicing');
+		$title  = esc_attr__('Are you sure you want to activate this discount?', 'invoicing');
         $row_actions['activate'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
     }
 
-    $url    = esc_url(
+    $url = esc_url(
         wp_nonce_url(
             add_query_arg(
                 array(
@@ -95,11 +95,11 @@ 
             'getpaid-nonce'
         )
     );
-	$anchor = __( 'Delete', 'invoicing' );
-	$title  = esc_attr__( 'Are you sure you want to delete this discount?', 'invoicing' );
+	$anchor = __('Delete', 'invoicing');
+	$title  = esc_attr__('Are you sure you want to delete this discount?', 'invoicing');
     $row_actions['delete'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
-    $row_actions = apply_filters( 'wpinv_discount_row_actions', $row_actions, $discount );
+    $row_actions = apply_filters('wpinv_discount_row_actions', $row_actions, $discount);
 
     return $row_actions;
 }
@@ -107,68 +107,68 @@ 
 function wpinv_restrict_manage_posts() {
     global $typenow;
 
-    if( 'wpi_discount' == $typenow ) {
+    if ('wpi_discount' == $typenow) {
         wpinv_discount_filters();
     }
 }
-add_action( 'restrict_manage_posts', 'wpinv_restrict_manage_posts', 10 );
+add_action('restrict_manage_posts', 'wpinv_restrict_manage_posts', 10);
 
 function wpinv_discount_filters() {
 
     ?>
     <select name="discount_type" id="dropdown_wpinv_discount_type">
-        <option value=""><?php _e( 'Show all types', 'invoicing' ); ?></option>
+        <option value=""><?php _e('Show all types', 'invoicing'); ?></option>
         <?php
             $types = wpinv_get_discount_types();
 
-            foreach ( $types as $name => $type ) {
-                echo '<option value="' . esc_attr( $name ) . '"';
+            foreach ($types as $name => $type) {
+                echo '<option value="' . esc_attr($name) . '"';
 
-                if ( isset( $_GET['discount_type'] ) )
-                    selected( $name, $_GET['discount_type'] );
+                if (isset($_GET['discount_type']))
+                    selected($name, $_GET['discount_type']);
 
-                echo '>' . esc_html__( $type, 'invoicing' ) . '</option>';
+                echo '>' . esc_html__($type, 'invoicing') . '</option>';
             }
         ?>
     </select>
     <?php
 }
 
-function wpinv_request( $vars ) {
+function wpinv_request($vars) {
     global $typenow, $wp_post_statuses;
 
-    if ( getpaid_is_invoice_post_type( $typenow ) ) {
-        if ( ! isset( $vars['post_status'] ) ) {
-            $post_statuses = wpinv_get_invoice_statuses( false, false, $typenow );
+    if (getpaid_is_invoice_post_type($typenow)) {
+        if (!isset($vars['post_status'])) {
+            $post_statuses = wpinv_get_invoice_statuses(false, false, $typenow);
 
-            foreach ( $post_statuses as $status => $value ) {
-                if ( isset( $wp_post_statuses[ $status ] ) && false === $wp_post_statuses[ $status ]->show_in_admin_all_list ) {
-                    unset( $post_statuses[ $status ] );
+            foreach ($post_statuses as $status => $value) {
+                if (isset($wp_post_statuses[$status]) && false === $wp_post_statuses[$status]->show_in_admin_all_list) {
+                    unset($post_statuses[$status]);
                 }
             }
 
-            $vars['post_status'] = array_keys( $post_statuses );
+            $vars['post_status'] = array_keys($post_statuses);
         }
 
-    } else if ( 'wpi_discount' == $typenow ) {
-        $meta_query = !empty( $vars['meta_query'] ) ? $vars['meta_query'] : array();
+    } else if ('wpi_discount' == $typenow) {
+        $meta_query = !empty($vars['meta_query']) ? $vars['meta_query'] : array();
         // Filter vat rule type
-        if ( isset( $_GET['discount_type'] ) && $_GET['discount_type'] !== '' ) {
+        if (isset($_GET['discount_type']) && $_GET['discount_type'] !== '') {
             $meta_query[] = array(
                     'key'   => '_wpi_discount_type',
-                    'value' => sanitize_text_field( $_GET['discount_type'] ),
+                    'value' => sanitize_text_field($_GET['discount_type']),
                     'compare' => '='
                 );
         }
 
-        if ( !empty( $meta_query ) ) {
+        if (!empty($meta_query)) {
             $vars['meta_query'] = $meta_query;
         }
     }
 
     return $vars;
 }
-add_filter( 'request', 'wpinv_request' );
+add_filter('request', 'wpinv_request');
 
 /**
  * Create a page and store the ID in an option.
@@ -180,19 +180,19 @@ 
  * @param int $post_parent (default: 0) Parent for the new page
  * @return int page ID
  */
-function wpinv_create_page( $slug, $option = '', $page_title = '', $page_content = '', $post_parent = 0 ) {
+function wpinv_create_page($slug, $option = '', $page_title = '', $page_content = '', $post_parent = 0) {
     global $wpdb;
 
-    $option_value = wpinv_get_option( $option );
+    $option_value = wpinv_get_option($option);
 
-    if ( ! empty( $option_value ) && ( $page_object = get_post( $option_value ) ) ) {
-        if ( 'page' === $page_object->post_type && ! in_array( $page_object->post_status, array( 'pending', 'trash', 'future', 'auto-draft' ) ) ) {
+    if (!empty($option_value) && ($page_object = get_post($option_value))) {
+        if ('page' === $page_object->post_type && !in_array($page_object->post_status, array('pending', 'trash', 'future', 'auto-draft'))) {
             // Valid page is already in place
             return $page_object->ID;
         }
     }
 
-    if(!empty($post_parent)){
+    if (!empty($post_parent)) {
         $page = get_page_by_path($post_parent);
         if ($page) {
             $post_parent = $page->ID;
@@ -201,40 +201,40 @@ 
         }
     }
 
-    if ( strlen( $page_content ) > 0 ) {
+    if (strlen($page_content) > 0) {
         // Search for an existing page with the specified page content (typically a shortcode)
-        $valid_page_found = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status NOT IN ( 'pending', 'trash', 'future', 'auto-draft' ) AND post_content LIKE %s LIMIT 1;", "%{$page_content}%" ) );
+        $valid_page_found = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status NOT IN ( 'pending', 'trash', 'future', 'auto-draft' ) AND post_content LIKE %s LIMIT 1;", "%{$page_content}%"));
     } else {
         // Search for an existing page with the specified page slug
-        $valid_page_found = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status NOT IN ( 'pending', 'trash', 'future', 'auto-draft' )  AND post_name = %s LIMIT 1;", $slug ) );
+        $valid_page_found = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status NOT IN ( 'pending', 'trash', 'future', 'auto-draft' )  AND post_name = %s LIMIT 1;", $slug));
     }
 
-    $valid_page_found = apply_filters( 'wpinv_create_page_id', $valid_page_found, $slug, $page_content );
+    $valid_page_found = apply_filters('wpinv_create_page_id', $valid_page_found, $slug, $page_content);
 
-    if ( $valid_page_found ) {
-        if ( $option ) {
-            wpinv_update_option( $option, $valid_page_found );
+    if ($valid_page_found) {
+        if ($option) {
+            wpinv_update_option($option, $valid_page_found);
         }
         return $valid_page_found;
     }
 
     // Search for a matching valid trashed page
-    if ( strlen( $page_content ) > 0 ) {
+    if (strlen($page_content) > 0) {
         // Search for an existing page with the specified page content (typically a shortcode)
-        $trashed_page_found = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status = 'trash' AND post_content LIKE %s LIMIT 1;", "%{$page_content}%" ) );
+        $trashed_page_found = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status = 'trash' AND post_content LIKE %s LIMIT 1;", "%{$page_content}%"));
     } else {
         // Search for an existing page with the specified page slug
-        $trashed_page_found = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status = 'trash' AND post_name = %s LIMIT 1;", $slug ) );
+        $trashed_page_found = $wpdb->get_var($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_type='page' AND post_status = 'trash' AND post_name = %s LIMIT 1;", $slug));
     }
 
-    if ( $trashed_page_found ) {
+    if ($trashed_page_found) {
         $page_id   = $trashed_page_found;
         $page_data = array(
             'ID'             => $page_id,
             'post_status'    => 'publish',
             'post_parent'    => $post_parent,
         );
-        wp_update_post( $page_data );
+        wp_update_post($page_data);
     } else {
         $page_data = array(
             'post_status'    => 'publish',
@@ -246,11 +246,11 @@ 
             'post_parent'    => $post_parent,
             'comment_status' => 'closed',
         );
-        $page_id = wp_insert_post( $page_data );
+        $page_id = wp_insert_post($page_data);
     }
 
-    if ( $option ) {
-        wpinv_update_option( $option, (int) $page_id );
+    if ($option) {
+        wpinv_update_option($option, (int) $page_id);
     }
 
     return $page_id;

includes/wpinv-email-functions.php

Spacing +126 added lines, -126 removed lines

@@ -6,7 +6,7 @@ 
  * Please use GetPaid_Notification_Email_Sender
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /*
 |--------------------------------------------------------------------------
@@ -17,19 +17,19 @@ 
 /**
  * Generates the email header.
  */
-function wpinv_email_header( $email_heading ) {
-    wpinv_get_template( 'emails/wpinv-email-header.php', compact( 'email_heading' ) );
+function wpinv_email_header($email_heading) {
+    wpinv_get_template('emails/wpinv-email-header.php', compact('email_heading'));
 }
-add_action( 'wpinv_email_header', 'wpinv_email_header' );
+add_action('wpinv_email_header', 'wpinv_email_header');
 
 
 /**
  * Generates the email footer.
  */
 function wpinv_email_footer() {
-    wpinv_get_template( 'emails/wpinv-email-footer.php' );
+    wpinv_get_template('emails/wpinv-email-footer.php');
 }
-add_action( 'wpinv_email_footer', 'wpinv_email_footer' );
+add_action('wpinv_email_footer', 'wpinv_email_footer');
 
 
 /**
@@ -39,13 +39,13 @@ 
  * @param string $email_type
  * @param bool $sent_to_admin
  */
-function wpinv_email_invoice_details( $invoice,  $email_type, $sent_to_admin ) {
+function wpinv_email_invoice_details($invoice, $email_type, $sent_to_admin) {
 
-    $args = compact( 'invoice', 'email_type', 'sent_to_admin' );
-    wpinv_get_template( 'emails/invoice-details.php', $args );
+    $args = compact('invoice', 'email_type', 'sent_to_admin');
+    wpinv_get_template('emails/invoice-details.php', $args);
 
 }
-add_action( 'wpinv_email_invoice_details', 'wpinv_email_invoice_details', 10, 3 );
+add_action('wpinv_email_invoice_details', 'wpinv_email_invoice_details', 10, 3);
 
 /**
  * Display line items in emails.
@@ -54,17 +54,17 @@ 
  * @param string $email_type
  * @param bool $sent_to_admin
  */
-function wpinv_email_invoice_items( $invoice, $email_type, $sent_to_admin ) {
+function wpinv_email_invoice_items($invoice, $email_type, $sent_to_admin) {
 
     // Prepare line items.
-    $columns = getpaid_invoice_item_columns( $invoice );
-    $columns = apply_filters( 'getpaid_invoice_line_items_table_columns', $columns, $invoice );
+    $columns = getpaid_invoice_item_columns($invoice);
+    $columns = apply_filters('getpaid_invoice_line_items_table_columns', $columns, $invoice);
 
     // Load the template.
-    wpinv_get_template( 'emails/invoice-items.php', compact( 'invoice', 'columns', 'email_type', 'sent_to_admin' ) );
+    wpinv_get_template('emails/invoice-items.php', compact('invoice', 'columns', 'email_type', 'sent_to_admin'));
 
 }
-add_action( 'wpinv_email_invoice_items', 'wpinv_email_invoice_items', 10, 3 );
+add_action('wpinv_email_invoice_items', 'wpinv_email_invoice_items', 10, 3);
 
 
 /**
@@ -74,13 +74,13 @@ 
  * @param string $email_type
  * @param bool $sent_to_admin
  */
-function wpinv_email_billing_details( $invoice, $email_type, $sent_to_admin ) {
+function wpinv_email_billing_details($invoice, $email_type, $sent_to_admin) {
 
-    $args = compact( 'invoice', 'email_type', 'sent_to_admin' );
-    wpinv_get_template( 'emails/wpinv-email-billing-details.php', $args );
+    $args = compact('invoice', 'email_type', 'sent_to_admin');
+    wpinv_get_template('emails/wpinv-email-billing-details.php', $args);
 
 }
-add_action( 'wpinv_email_billing_details', 'wpinv_email_billing_details', 10, 3 );
+add_action('wpinv_email_billing_details', 'wpinv_email_billing_details', 10, 3);
 
 /**
  * Returns email css.
@@ -88,8 +88,8 @@ 
  */
 function getpaid_get_email_css() {
 
-    $css = wpinv_get_template_html( 'emails/wpinv-email-styles.php' );
-    return apply_filters( 'wpinv_email_styles', $css );
+    $css = wpinv_get_template_html('emails/wpinv-email-styles.php');
+    return apply_filters('wpinv_email_styles', $css);
 
 }
 
@@ -100,26 +100,26 @@ 
  * @return string
  * 
  */
-function wpinv_email_style_body( $content ) {
+function wpinv_email_style_body($content) {
 
-    if ( ! class_exists( 'DOMDocument' ) ) {
+    if (!class_exists('DOMDocument')) {
         return $content;
     }
 
     $css = getpaid_get_email_css();
 
     // include css inliner
-	if ( ! class_exists( 'Emogrifier' ) ) {
-		include_once( WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php' );
+	if (!class_exists('Emogrifier')) {
+		include_once(WPINV_PLUGIN_DIR . 'includes/libraries/class-emogrifier.php');
     }
 
     // Inline the css.
     try {
-        $emogrifier = new Emogrifier( $content, $css );
+        $emogrifier = new Emogrifier($content, $css);
         $_content   = $emogrifier->emogrify();
         $content    = $_content;
-    } catch ( Exception $e ) {
-        wpinv_error_log( $e->getMessage(), 'emogrifier' );
+    } catch (Exception $e) {
+        wpinv_error_log($e->getMessage(), 'emogrifier');
     }
 
     return $content;
@@ -128,37 +128,37 @@ 
 
 // Backwards compatibility.
 function wpinv_init_transactional_emails() {
-    foreach ( apply_filters( 'wpinv_email_actions', array() ) as $action ) {
-        add_action( $action, 'wpinv_send_transactional_email', 10, 10 );
+    foreach (apply_filters('wpinv_email_actions', array()) as $action) {
+        add_action($action, 'wpinv_send_transactional_email', 10, 10);
     }
 }
-add_action( 'init', 'wpinv_init_transactional_emails' );
+add_action('init', 'wpinv_init_transactional_emails');
 
 function wpinv_send_transactional_email() {
     $args       = func_get_args();
     $function   = current_filter() . '_notification';
-    do_action_ref_array( $function, $args );
+    do_action_ref_array($function, $args);
 }
 
 function wpinv_mail_get_from_address() {
-    $from_address = apply_filters( 'wpinv_mail_from_address', wpinv_get_option( 'email_from', get_option( 'admin_email' ) ) );
-    return sanitize_email( $from_address );
+    $from_address = apply_filters('wpinv_mail_from_address', wpinv_get_option('email_from', get_option('admin_email')));
+    return sanitize_email($from_address);
 }
 
 function wpinv_mail_get_from_name() {
-    $from_name = apply_filters( 'wpinv_mail_from_name', wpinv_get_option( 'email_from_name', get_bloginfo( 'name', 'display' ) ) );
-    return wp_specialchars_decode( esc_html( $from_name ), ENT_QUOTES );
+    $from_name = apply_filters('wpinv_mail_from_name', wpinv_get_option('email_from_name', get_bloginfo('name', 'display')));
+    return wp_specialchars_decode(esc_html($from_name), ENT_QUOTES);
 }
 
-function wpinv_mail_admin_bcc_active( $mail_type = '' ) {
-    $active = apply_filters( 'wpinv_mail_admin_bcc_active', wpinv_get_option( 'email_' . $mail_type . '_admin_bcc' ) );
-    return ( $active ? true : false );
+function wpinv_mail_admin_bcc_active($mail_type = '') {
+    $active = apply_filters('wpinv_mail_admin_bcc_active', wpinv_get_option('email_' . $mail_type . '_admin_bcc'));
+    return ($active ? true : false);
 }
     
-function wpinv_mail_get_content_type(  $content_type = 'text/html', $email_type = 'html' ) {
-    $email_type = apply_filters( 'wpinv_mail_content_type', $email_type );
+function wpinv_mail_get_content_type($content_type = 'text/html', $email_type = 'html') {
+    $email_type = apply_filters('wpinv_mail_content_type', $email_type);
 
-    switch ( $email_type ) {
+    switch ($email_type) {
         case 'html' :
             $content_type = 'text/html';
             break;
@@ -183,11 +183,11 @@ 
  * @param array        $attachments Any files to attach to the email.
  * @param string|array $cc An email or array of extra emails to send a copy of the email to.
  */
-function wpinv_mail_send( $to, $subject, $message, $deprecated, $attachments = array(), $cc = array() ) {
+function wpinv_mail_send($to, $subject, $message, $deprecated, $attachments = array(), $cc = array()) {
 
     $mailer  = new GetPaid_Notification_Email_Sender();
-    $message = wpinv_email_style_body( $message );
-    $to      = array_merge( wpinv_parse_list( $to ), wpinv_parse_list( $cc ) );
+    $message = wpinv_email_style_body($message);
+    $to      = array_merge(wpinv_parse_list($to), wpinv_parse_list($cc));
 
 	return $mailer->send(
         $to,
@@ -204,7 +204,7 @@ 
  * @return array
  */
 function wpinv_get_emails() {
-    return apply_filters( 'wpinv_get_emails', wpinv_get_data( 'email-settings' ) );
+    return apply_filters('wpinv_get_emails', wpinv_get_data('email-settings'));
 }
 
 /**
@@ -213,172 +213,172 @@ 
  * @param array $settings
  * @return array
  */
-function wpinv_settings_emails( $settings = array() ) {
-    $settings = array_merge( $settings, wpinv_get_emails() );
-    return apply_filters( 'wpinv_settings_get_emails', $settings );
+function wpinv_settings_emails($settings = array()) {
+    $settings = array_merge($settings, wpinv_get_emails());
+    return apply_filters('wpinv_settings_get_emails', $settings);
 }
-add_filter( 'wpinv_settings_emails', 'wpinv_settings_emails', 10, 1 );
+add_filter('wpinv_settings_emails', 'wpinv_settings_emails', 10, 1);
 
 /**
  * Filter email section names.
  * 
  */
-function wpinv_settings_sections_emails( $settings ) {
-    foreach  ( wpinv_get_emails() as $key => $email) {
-        $settings[$key] = ! empty( $email['email_' . $key . '_header']['name'] ) ? strip_tags( $email['email_' . $key . '_header']['name'] ) : strip_tags( $key );
+function wpinv_settings_sections_emails($settings) {
+    foreach (wpinv_get_emails() as $key => $email) {
+        $settings[$key] = !empty($email['email_' . $key . '_header']['name']) ? strip_tags($email['email_' . $key . '_header']['name']) : strip_tags($key);
     }
 
     return $settings;    
 }
-add_filter( 'wpinv_settings_sections_emails', 'wpinv_settings_sections_emails', 10, 1 );
+add_filter('wpinv_settings_sections_emails', 'wpinv_settings_sections_emails', 10, 1);
 
-function wpinv_email_is_enabled( $email_type ) {
+function wpinv_email_is_enabled($email_type) {
     $emails = wpinv_get_emails();
-    $enabled = isset( $emails[$email_type] ) && wpinv_get_option( 'email_'. $email_type . '_active', 0 ) ? true : false;
+    $enabled = isset($emails[$email_type]) && wpinv_get_option('email_' . $email_type . '_active', 0) ? true : false;
 
-    return apply_filters( 'wpinv_email_is_enabled', $enabled, $email_type );
+    return apply_filters('wpinv_email_is_enabled', $enabled, $email_type);
 }
 
-function wpinv_email_get_recipient( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    switch ( $email_type ) {
+function wpinv_email_get_recipient($email_type = '', $invoice_id = 0, $invoice = array()) {
+    switch ($email_type) {
         case 'new_invoice':
         case 'cancelled_invoice':
         case 'failed_invoice':
             $recipient  = wpinv_get_admin_email();
         break;
         default:
-            $invoice    = !empty( $invoice ) && is_object( $invoice ) ? $invoice : ( $invoice_id > 0 ? wpinv_get_invoice( $invoice_id ) : NULL );
-            $recipient  = !empty( $invoice ) ? $invoice->get_email() : '';
+            $invoice    = !empty($invoice) && is_object($invoice) ? $invoice : ($invoice_id > 0 ? wpinv_get_invoice($invoice_id) : NULL);
+            $recipient  = !empty($invoice) ? $invoice->get_email() : '';
         break;
     }
 
-    return apply_filters( 'wpinv_email_recipient', $recipient, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_recipient', $recipient, $email_type, $invoice_id, $invoice);
 }
 
 /**
  * Returns invoice CC recipients
  */
-function wpinv_email_get_cc_recipients( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    switch ( $email_type ) {
+function wpinv_email_get_cc_recipients($email_type = '', $invoice_id = 0, $invoice = array()) {
+    switch ($email_type) {
         case 'new_invoice':
         case 'cancelled_invoice':
         case 'failed_invoice':
             return array();
         break;
         default:
-            $invoice    = !empty( $invoice ) && is_object( $invoice ) ? $invoice : ( $invoice_id > 0 ? wpinv_get_invoice( $invoice_id ) : NULL );
-            $recipient  = empty( $invoice ) ? '' : get_post_meta( $invoice->ID, 'wpinv_email_cc', true );
-            if ( empty( $recipient ) ) {
+            $invoice    = !empty($invoice) && is_object($invoice) ? $invoice : ($invoice_id > 0 ? wpinv_get_invoice($invoice_id) : NULL);
+            $recipient  = empty($invoice) ? '' : get_post_meta($invoice->ID, 'wpinv_email_cc', true);
+            if (empty($recipient)) {
                 return array();
             }
-            return  array_filter( array_map( 'trim', explode( ',', $recipient ) ) );
+            return  array_filter(array_map('trim', explode(',', $recipient)));
         break;
     }
 
 }
 
-function wpinv_email_get_subject( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $subject    = wpinv_get_option( 'email_' . $email_type . '_subject' );
-    $subject    = __( $subject, 'invoicing' );
+function wpinv_email_get_subject($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $subject    = wpinv_get_option('email_' . $email_type . '_subject');
+    $subject    = __($subject, 'invoicing');
 
-    $subject    = wpinv_email_format_text( $subject, $invoice );
+    $subject    = wpinv_email_format_text($subject, $invoice);
 
-    return apply_filters( 'wpinv_email_subject', $subject, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_subject', $subject, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_heading( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $email_heading = wpinv_get_option( 'email_' . $email_type . '_heading' );
-    $email_heading = __( $email_heading, 'invoicing' );
+function wpinv_email_get_heading($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $email_heading = wpinv_get_option('email_' . $email_type . '_heading');
+    $email_heading = __($email_heading, 'invoicing');
 
-    $email_heading = wpinv_email_format_text( $email_heading, $invoice );
+    $email_heading = wpinv_email_format_text($email_heading, $invoice);
 
-    return apply_filters( 'wpinv_email_heading', $email_heading, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_heading', $email_heading, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_content( $email_type = '', $invoice_id = 0, $invoice = array() ) {
-    $content    = wpinv_get_option( 'email_' . $email_type . '_body' );
-    $content    = __( $content, 'invoicing' );
+function wpinv_email_get_content($email_type = '', $invoice_id = 0, $invoice = array()) {
+    $content    = wpinv_get_option('email_' . $email_type . '_body');
+    $content    = __($content, 'invoicing');
 
-    $content    = wpinv_email_format_text( $content, $invoice );
+    $content    = wpinv_email_format_text($content, $invoice);
 
-    return apply_filters( 'wpinv_email_content', $content, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_content', $content, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_headers( $email_type = '', $invoice_id = 0, $invoice = array() ) {
+function wpinv_email_get_headers($email_type = '', $invoice_id = 0, $invoice = array()) {
     $from_name = wpinv_mail_get_from_address();
     $from_email = wpinv_mail_get_from_address();
     
-    $invoice    = !empty( $invoice ) && is_object( $invoice ) ? $invoice : ( $invoice_id > 0 ? wpinv_get_invoice( $invoice_id ) : NULL );
+    $invoice    = !empty($invoice) && is_object($invoice) ? $invoice : ($invoice_id > 0 ? wpinv_get_invoice($invoice_id) : NULL);
     
-    $headers    = "From: " . stripslashes_deep( html_entity_decode( $from_name, ENT_COMPAT, 'UTF-8' ) ) . " <$from_email>\r\n";
-    $headers    .= "Reply-To: ". $from_email . "\r\n";
+    $headers    = "From: " . stripslashes_deep(html_entity_decode($from_name, ENT_COMPAT, 'UTF-8')) . " <$from_email>\r\n";
+    $headers    .= "Reply-To: " . $from_email . "\r\n";
     $headers    .= "Content-Type: " . wpinv_mail_get_content_type() . "\r\n";
     
-    return apply_filters( 'wpinv_email_headers', $headers, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_headers', $headers, $email_type, $invoice_id, $invoice);
 }
 
-function wpinv_email_get_attachments( $email_type = '', $invoice_id = 0, $invoice = array() ) {
+function wpinv_email_get_attachments($email_type = '', $invoice_id = 0, $invoice = array()) {
     $attachments = array();
     
-    return apply_filters( 'wpinv_email_attachments', $attachments, $email_type, $invoice_id, $invoice );
+    return apply_filters('wpinv_email_attachments', $attachments, $email_type, $invoice_id, $invoice);
 }
 
 /**
  * Searches for and replaces certain placeholders in an email.
  */
-function wpinv_email_format_text( $content, $invoice ) {
+function wpinv_email_format_text($content, $invoice) {
 
     $replace_array = array(
         '{site_title}'      => wpinv_get_blogname(),
-        '{date}'            => getpaid_format_date( current_time( 'mysql' ) ),
+        '{date}'            => getpaid_format_date(current_time('mysql')),
     );
 
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( $invoice->get_id() ) {
+    if ($invoice->get_id()) {
 
         $replace_array = array_merge(
             $replace_array, 
             array(
-                '{name}'            => sanitize_text_field( $invoice->get_user_full_name() ),
-                '{full_name}'       => sanitize_text_field( $invoice->get_user_full_name() ),
-                '{first_name}'      => sanitize_text_field( $invoice->get_first_name() ),
-                '{last_name}'       => sanitize_text_field( $invoice->get_last_name() ),
-                '{email}'           => sanitize_email( $invoice->get_email() ),
-                '{invoice_number}'  => sanitize_text_field( $invoice->get_number() ),
-                '{invoice_total}'   => sanitize_text_field( wpinv_price( $invoice->get_total( true ), $invoice->get_currency() ) ),
-                '{invoice_link}'    => esc_url( $invoice->get_view_url() ),
-                '{invoice_pay_link}'=> esc_url( $invoice->get_checkout_payment_url() ),
-                '{invoice_date}'    => date( get_option( 'date_format' ), strtotime( $invoice->get_date_created(), current_time( 'timestamp' ) ) ),
-                '{invoice_due_date}'=> date( get_option( 'date_format' ), strtotime( $invoice->get_due_date(), current_time( 'timestamp' ) ) ),
-                '{invoice_quote}'   => sanitize_text_field( $invoice->get_invoice_quote_type() ),
-                '{invoice_label}'   => sanitize_text_field( ucfirst( $invoice->get_invoice_quote_type() ) ),
-                '{is_was}'          => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+                '{name}'            => sanitize_text_field($invoice->get_user_full_name()),
+                '{full_name}'       => sanitize_text_field($invoice->get_user_full_name()),
+                '{first_name}'      => sanitize_text_field($invoice->get_first_name()),
+                '{last_name}'       => sanitize_text_field($invoice->get_last_name()),
+                '{email}'           => sanitize_email($invoice->get_email()),
+                '{invoice_number}'  => sanitize_text_field($invoice->get_number()),
+                '{invoice_total}'   => sanitize_text_field(wpinv_price($invoice->get_total(true), $invoice->get_currency())),
+                '{invoice_link}'    => esc_url($invoice->get_view_url()),
+                '{invoice_pay_link}'=> esc_url($invoice->get_checkout_payment_url()),
+                '{invoice_date}'    => date(get_option('date_format'), strtotime($invoice->get_date_created(), current_time('timestamp'))),
+                '{invoice_due_date}'=> date(get_option('date_format'), strtotime($invoice->get_due_date(), current_time('timestamp'))),
+                '{invoice_quote}'   => sanitize_text_field($invoice->get_invoice_quote_type()),
+                '{invoice_label}'   => sanitize_text_field(ucfirst($invoice->get_invoice_quote_type())),
+                '{is_was}'          => strtotime($invoice->get_due_date()) < current_time('timestamp') ? __('was', 'invoicing') : __('is', 'invoicing'),
             )
         );
 
     }
 
     // Let third party plugins filter the arra.
-    $replace_array = apply_filters( 'wpinv_email_format_text', $replace_array, $content, $invoice );
+    $replace_array = apply_filters('wpinv_email_format_text', $replace_array, $content, $invoice);
 
-    foreach ( $replace_array as $key => $value ) {
-        $content = str_replace( $key, $value, $content );
+    foreach ($replace_array as $key => $value) {
+        $content = str_replace($key, $value, $content);
     }
 
-    return apply_filters( 'wpinv_email_content_replace', $content );
+    return apply_filters('wpinv_email_content_replace', $content);
 }
 
 
-function wpinv_email_wrap_message( $message ) {
+function wpinv_email_wrap_message($message) {
     // Buffer
     ob_start();
 
-    do_action( 'wpinv_email_header' );
+    do_action('wpinv_email_header');
 
-    echo wpautop( wptexturize( $message ) );
+    echo wpautop(wptexturize($message));
 
-    do_action( 'wpinv_email_footer' );
+    do_action('wpinv_email_footer');
 
     // Get contents
     $message = ob_get_clean();
@@ -386,21 +386,21 @@ 
     return $message;
 }
 
-function wpinv_add_notes_to_invoice_email( $invoice, $email_type ) {
-    if ( !empty( $invoice ) && $email_type == 'user_invoice' && $invoice_notes = wpinv_get_invoice_notes( $invoice->get_id(), true ) ) {
-        $date_format = get_option( 'date_format' );
-        $time_format = get_option( 'time_format' );
+function wpinv_add_notes_to_invoice_email($invoice, $email_type) {
+    if (!empty($invoice) && $email_type == 'user_invoice' && $invoice_notes = wpinv_get_invoice_notes($invoice->get_id(), true)) {
+        $date_format = get_option('date_format');
+        $time_format = get_option('time_format');
         ?>
         <div id="wpinv-email-notes">
-            <h3 class="wpinv-notes-t"><?php echo apply_filters( 'wpinv_email_invoice_notes_title', __( 'Invoice Notes', 'invoicing' ) ); ?></h3>
+            <h3 class="wpinv-notes-t"><?php echo apply_filters('wpinv_email_invoice_notes_title', __('Invoice Notes', 'invoicing')); ?></h3>
             <ol class="wpinv-notes-lists">
         <?php
-        foreach ( $invoice_notes as $note ) {
-            $note_time = strtotime( $note->comment_date );
+        foreach ($invoice_notes as $note) {
+            $note_time = strtotime($note->comment_date);
             ?>
             <li class="comment wpinv-note">
-            <p class="wpinv-note-date meta"><?php printf( __( '%2$s at %3$s', 'invoicing' ), $note->comment_author, date_i18n( $date_format, $note_time ), date_i18n( $time_format, $note_time ), $note_time ); ?></p>
-            <div class="wpinv-note-desc description"><?php echo wpautop( wptexturize( $note->comment_content ) ); ?></div>
+            <p class="wpinv-note-date meta"><?php printf(__('%2$s at %3$s', 'invoicing'), $note->comment_author, date_i18n($date_format, $note_time), date_i18n($time_format, $note_time), $note_time); ?></p>
+            <div class="wpinv-note-desc description"><?php echo wpautop(wptexturize($note->comment_content)); ?></div>
             </li>
             <?php
         }
@@ -409,4 +409,4 @@ 
         <?php
     }
 }
-add_action( 'wpinv_email_billing_details', 'wpinv_add_notes_to_invoice_email', 10, 3 );
+add_action('wpinv_email_billing_details', 'wpinv_add_notes_to_invoice_email', 10, 3);

includes/wpinv-helper-functions.php

Spacing +258 added lines, -258 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Are we supporting item quantities?
@@ -20,35 +20,35 @@ 
  */
 function wpinv_get_ip() {
 
-    if ( isset( $_SERVER['HTTP_X_REAL_IP'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_REAL_IP'] ) );
+    if (isset($_SERVER['HTTP_X_REAL_IP'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['HTTP_X_REAL_IP']));
     }
 
-    if ( isset( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
+    if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
         // Proxy servers can send through this header like this: X-Forwarded-For: client1, proxy1, proxy2
         // Make sure we always only send through the first IP in the list which should always be the client IP.
-        return (string) rest_is_ip_address( trim( current( preg_split( '/,/', sanitize_text_field( wp_unslash( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) ) ) ) );
+        return (string) rest_is_ip_address(trim(current(preg_split('/,/', sanitize_text_field(wp_unslash($_SERVER['HTTP_X_FORWARDED_FOR']))))));
     }
 
-    if ( isset( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['HTTP_CLIENT_IP'] ) );
+    if (isset($_SERVER['HTTP_CLIENT_IP'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['HTTP_CLIENT_IP']));
     }
 
-    if ( isset( $_SERVER['REMOTE_ADDR'] ) ) {
-        return sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) );
+    if (isset($_SERVER['REMOTE_ADDR'])) {
+        return sanitize_text_field(wp_unslash($_SERVER['REMOTE_ADDR']));
     }
 
     return '';
 }
 
 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);
 }
 
 /**
@@ -56,23 +56,23 @@ 
  * 
  * @param string $amount The amount to sanitize.
  */
-function wpinv_sanitize_amount( $amount ) {
+function wpinv_sanitize_amount($amount) {
 
-    if ( is_numeric( $amount ) ) {
-        return floatval( $amount );
+    if (is_numeric($amount)) {
+        return floatval($amount);
     }
 
     // Separate the decimals and thousands.
-    $amount    = explode( wpinv_decimal_separator(), $amount );
+    $amount    = explode(wpinv_decimal_separator(), $amount);
 
     // Remove thousands.
-    $amount[0] = str_replace( wpinv_thousands_separator(), '', $amount[0] );
+    $amount[0] = str_replace(wpinv_thousands_separator(), '', $amount[0]);
 
     // Convert back to string.
-    $amount = count( $amount ) > 1 ? "{$amount[0]}.{$amount[1]}" : $amount[0];
+    $amount = count($amount) > 1 ? "{$amount[0]}.{$amount[1]}" : $amount[0];
 
     // Cast the remaining to a float.
-    return (float) preg_replace( '/[^0-9\.\-]/', '', $amount );
+    return (float) preg_replace('/[^0-9\.\-]/', '', $amount);
 
 }
 
@@ -82,19 +82,19 @@ 
  * @param float $amount
  * @param float|string|int|null $decimals
  */
-function wpinv_round_amount( $amount, $decimals = null, $use_sprintf = false ) {
+function wpinv_round_amount($amount, $decimals = null, $use_sprintf = false) {
 
-    if ( $decimals === null ) {
+    if ($decimals === null) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $use_sprintf ) {
-        $amount = sprintf( "%.{$decimals}f", (float) $amount );
+    if ($use_sprintf) {
+        $amount = sprintf("%.{$decimals}f", (float) $amount);
     } else {
-        $amount = round( (float) $amount, absint( $decimals ) );
+        $amount = round((float) $amount, absint($decimals));
     }
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
 /**
@@ -106,32 +106,32 @@ 
  * @param string|WPInv_Invoice $invoice The invoice object|post type|type
  * @return array
  */
-function wpinv_get_invoice_statuses( $draft = false, $trashed = false, $invoice = false ) {
+function wpinv_get_invoice_statuses($draft = false, $trashed = false, $invoice = false) {
 
 	$invoice_statuses = array(
-		'wpi-pending'    => _x( 'Pending payment', 'Invoice status', 'invoicing' ),
-        'publish'        => _x( 'Paid', 'Invoice status', 'invoicing' ),
-        'wpi-processing' => _x( 'Processing', 'Invoice status', 'invoicing' ),
-		'wpi-onhold'     => _x( 'On hold', 'Invoice status', 'invoicing' ),
-		'wpi-cancelled'  => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
-		'wpi-refunded'   => _x( 'Refunded', 'Invoice status', 'invoicing' ),
-        'wpi-failed'     => _x( 'Failed', 'Invoice status', 'invoicing' ),
-        'wpi-renewal'    => _x( 'Renewal Payment', 'Invoice status', 'invoicing' ),
+		'wpi-pending'    => _x('Pending payment', 'Invoice status', 'invoicing'),
+        'publish'        => _x('Paid', 'Invoice status', 'invoicing'),
+        'wpi-processing' => _x('Processing', 'Invoice status', 'invoicing'),
+		'wpi-onhold'     => _x('On hold', 'Invoice status', 'invoicing'),
+		'wpi-cancelled'  => _x('Cancelled', 'Invoice status', 'invoicing'),
+		'wpi-refunded'   => _x('Refunded', 'Invoice status', 'invoicing'),
+        'wpi-failed'     => _x('Failed', 'Invoice status', 'invoicing'),
+        'wpi-renewal'    => _x('Renewal Payment', 'Invoice status', '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');
     }
 
-    if ( $invoice instanceof WPInv_Invoice ) {
+    if ($invoice instanceof WPInv_Invoice) {
         $invoice = $invoice->get_post_type();
     }
 
-	return apply_filters( 'wpinv_statuses', $invoice_statuses, $invoice );
+	return apply_filters('wpinv_statuses', $invoice_statuses, $invoice);
 }
 
 /**
@@ -140,11 +140,11 @@ 
  * @param string $status The raw status
  * @param string|WPInv_Invoice $invoice The invoice object|post type|type
  */
-function wpinv_status_nicename( $status, $invoice = false ) {
-    $statuses = wpinv_get_invoice_statuses( true, true, $invoice );
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : $status;
+function wpinv_status_nicename($status, $invoice = false) {
+    $statuses = wpinv_get_invoice_statuses(true, true, $invoice);
+    $status   = isset($statuses[$status]) ? $statuses[$status] : $status;
 
-    return sanitize_text_field( $status );
+    return sanitize_text_field($status);
 }
 
 /**
@@ -152,13 +152,13 @@ 
  * 
  * @param string $current
  */
-function wpinv_get_currency( $current = '' ) {
+function wpinv_get_currency($current = '') {
 
-    if ( empty( $current ) ) {
-        $current = apply_filters( 'wpinv_currency', wpinv_get_option( 'currency', 'USD' ) );
+    if (empty($current)) {
+        $current = apply_filters('wpinv_currency', wpinv_get_option('currency', 'USD'));
     }
 
-    return trim( strtoupper( $current ) );
+    return trim(strtoupper($current));
 }
 
 /**
@@ -166,25 +166,25 @@ 
  * 
  * @param string|null $currency The currency code. Defaults to the default currency.
  */
-function wpinv_currency_symbol( $currency = null ) {
+function wpinv_currency_symbol($currency = null) {
 
     // Prepare the currency.
-    $currency = empty( $currency ) ? wpinv_get_currency() : wpinv_clean( $currency );
+    $currency = empty($currency) ? wpinv_get_currency() : wpinv_clean($currency);
 
     // Fetch all symbols.
     $symbols = wpinv_get_currency_symbols();
 
     // Fetch this currencies symbol.
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : $currency;
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : $currency;
 
     // Filter the symbol.
-    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);
 }
 
 /**
@@ -192,13 +192,13 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_thousands_separator( $current = null ) {
+function wpinv_thousands_separator($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'thousands_separator', ',' );
+    if (null == $current) {
+        $current = wpinv_get_option('thousands_separator', ',');
     }
 
-    return trim( $current );
+    return trim($current);
 }
 
 /**
@@ -206,13 +206,13 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_decimal_separator( $current = null ) {
+function wpinv_decimal_separator($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'decimal_separator', '.' );
+    if (null == $current) {
+        $current = wpinv_get_option('decimal_separator', '.');
     }
     
-    return trim( $current );
+    return trim($current);
 }
 
 /**
@@ -220,27 +220,27 @@ 
  * 
  * @param $string|null $current
  */
-function wpinv_decimals( $current = null ) {
+function wpinv_decimals($current = null) {
 
-    if ( null == $current ) {
-        $current = wpinv_get_option( 'decimals', 2 );
+    if (null == $current) {
+        $current = wpinv_get_option('decimals', 2);
     }
     
-    return absint( $current );
+    return absint($current);
 }
 
 /**
  * Retrieves a list of all supported currencies.
  */
 function wpinv_get_currencies() {
-    return apply_filters( 'wpinv_currencies', wpinv_get_data( 'currencies' ) );
+    return apply_filters('wpinv_currencies', wpinv_get_data('currencies'));
 }
 
 /**
  * Retrieves a list of all currency symbols.
  */
 function wpinv_get_currency_symbols() {
-    return apply_filters( 'wpinv_currency_symbols', wpinv_get_data( 'currency-symbols' ) );
+    return apply_filters('wpinv_currency_symbols', wpinv_get_data('currency-symbols'));
 }
 
 /**
@@ -252,7 +252,7 @@ 
 	$currency_pos = wpinv_currency_position();
 	$format       = '%1$s%2$s';
 
-	switch ( $currency_pos ) {
+	switch ($currency_pos) {
 		case 'left':
 			$format = '%1$s%2$s';
 			break;
@@ -267,7 +267,7 @@ 
 			break;
 	}
 
-	return apply_filters( 'getpaid_price_format', $format, $currency_pos );
+	return apply_filters('getpaid_price_format', $format, $currency_pos);
 }
 
 /**
@@ -277,25 +277,25 @@ 
  * @param  string $currency Currency.
  * @return string
  */
-function wpinv_price( $amount = 0, $currency = '' ) {
+function wpinv_price($amount = 0, $currency = '') {
 
     // Backwards compatibility.
-    $amount             = wpinv_sanitize_amount( $amount );
+    $amount             = wpinv_sanitize_amount($amount);
 
     // Prepare variables.
-    $currency           = wpinv_get_currency( $currency );
+    $currency           = wpinv_get_currency($currency);
     $amount             = (float) $amount;
     $unformatted_amount = $amount;
     $negative           = $amount < 0;
-    $amount             = apply_filters( 'getpaid_raw_amount', floatval( $negative ? $amount * -1 : $amount ) );
-    $amount             = wpinv_format_amount( $amount );
+    $amount             = apply_filters('getpaid_raw_amount', floatval($negative ? $amount * -1 : $amount));
+    $amount             = wpinv_format_amount($amount);
 
     // Format the amount.
     $format             = getpaid_get_price_format();
-    $formatted_amount   = ( $negative ? '-' : '' ) . sprintf( $format, '<span class="getpaid-currency__symbol">' . wpinv_currency_symbol( $currency ) . '</span>', $amount );
+    $formatted_amount   = ($negative ? '-' : '') . sprintf($format, '<span class="getpaid-currency__symbol">' . wpinv_currency_symbol($currency) . '</span>', $amount);
 
     // Filter the formatting.
-    return apply_filters( 'wpinv_price', $formatted_amount, $amount, $currency, $unformatted_amount );
+    return apply_filters('wpinv_price', $formatted_amount, $amount, $currency, $unformatted_amount);
 }
 
 /**
@@ -306,25 +306,25 @@ 
  * @param  bool     $calculate Whether or not to apply separators.
  * @return string
  */
-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();
-    $decimals      = wpinv_decimals( $decimals );
-    $amount        = wpinv_sanitize_amount( $amount );
+    $decimals      = wpinv_decimals($decimals);
+    $amount        = wpinv_sanitize_amount($amount);
 
-    if ( $calculate ) {
+    if ($calculate) {
         return $amount;
     }
 
     // Fomart the amount.
-    return number_format( $amount, $decimals, $decimal_sep, $thousands_sep );
+    return number_format($amount, $decimals, $decimal_sep, $thousands_sep);
 }
 
-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);
 }
 
 /**
@@ -332,8 +332,8 @@ 
  * 
  * @param $str the file whose extension should be retrieved.
  */
-function wpinv_get_file_extension( $str ) {
-    $filetype = wp_check_filetype( $str );
+function wpinv_get_file_extension($str) {
+    $filetype = wp_check_filetype($str);
     return $filetype['ext'];
 }
 
@@ -342,16 +342,16 @@ 
  * 
  * @param string $string
  */
-function wpinv_string_is_image_url( $string ) {
-    $extension = strtolower( wpinv_get_file_extension( $string ) );
-    return in_array( $extension, array( 'jpeg', 'jpg', 'png', 'gif', 'ico' ), true );
+function wpinv_string_is_image_url($string) {
+    $extension = strtolower(wpinv_get_file_extension($string));
+    return in_array($extension, array('jpeg', 'jpg', 'png', 'gif', 'ico'), true);
 }
 
 /**
  * Returns the current URL.
  */
 function wpinv_get_current_page_url() {
-    return ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
+    return (is_ssl() ? 'https://' : 'http://') . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
 }
 
 /**
@@ -361,46 +361,46 @@ 
  * @param string $name  Constant name.
  * @param mixed  $value Value.
  */
-function getpaid_maybe_define_constant( $name, $value ) {
-	if ( ! defined( $name ) ) {
-		define( $name, $value );
+function getpaid_maybe_define_constant($name, $value) {
+	if (!defined($name)) {
+		define($name, $value);
 	}
 }
 
 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 );
-    if ( empty( $color ) ) {
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
+    if (empty($color)) {
         return NULL;
     }
 
-    $color = str_split( $color );
+    $color = str_split($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;
@@ -409,18 +409,18 @@ 
     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;
@@ -429,22 +429,22 @@ 
     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];
     }
 
@@ -464,12 +464,12 @@ 
  * @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;
 }
 
 /**
@@ -481,28 +481,28 @@ 
  * @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);
 }
 
 /**
@@ -516,12 +516,12 @@ 
  * @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);
 }
 
 /**
@@ -535,12 +535,12 @@ 
  * @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);
 }
 
 /**
@@ -555,16 +555,16 @@ 
  * @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);
 }
 
 /**
@@ -576,48 +576,48 @@ 
  * @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;
         }
     }
@@ -625,14 +625,14 @@ 
     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));
 }
 
 /**
@@ -643,12 +643,12 @@ 
  *
  * @return string
  */
-function wpi_help_tip( $tip, $allow_html = false ) {
+function wpi_help_tip($tip, $allow_html = false) {
 
-    if ( $allow_html ) {
-        $tip = wpi_sanitize_tooltip( $tip );
+    if ($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>';
@@ -662,8 +662,8 @@ 
  * @param string $var
  * @return string
  */
-function wpi_sanitize_tooltip( $var ) {
-    return wp_kses( html_entity_decode( $var ), array(
+function wpi_sanitize_tooltip($var) {
+    return wp_kses(html_entity_decode($var), array(
         'br'     => array(),
         'em'     => array(),
         'strong' => array(),
@@ -674,7 +674,7 @@ 
         'li'     => array(),
         'ol'     => array(),
         'p'      => array(),
-    ) );
+    ));
 }
 
 /**
@@ -684,7 +684,7 @@ 
  */
 function wpinv_get_screen_ids() {
 
-    $screen_id = sanitize_title( __( 'Invoicing', 'invoicing' ) );
+    $screen_id = sanitize_title(__('Invoicing', 'invoicing'));
 
     $screen_ids = array(
         'toplevel_page_' . $screen_id,
@@ -702,7 +702,7 @@ 
         'invoicing_page_wpi-addons',
     );
 
-    return apply_filters( 'wpinv_screen_ids', $screen_ids );
+    return apply_filters('wpinv_screen_ids', $screen_ids);
 }
 
 /**
@@ -713,14 +713,14 @@ 
  * @param array|string $list List of values.
  * @return array Sanitized array of values.
  */
-function wpinv_parse_list( $list ) {
+function wpinv_parse_list($list) {
 
-    if ( empty( $list ) ) {
+    if (empty($list)) {
         $list = array();
     }
 
-	if ( ! is_array( $list ) ) {
-		return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
+	if (!is_array($list)) {
+		return preg_split('/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY);
 	}
 
 	return $list;
@@ -734,16 +734,16 @@ 
  * @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.
-    $data = wp_cache_get( "wpinv-data-$key", 'wpinv' );
-    if( $data ) {
+    $data = wp_cache_get("wpinv-data-$key", 'wpinv');
+    if ($data) {
         return $data;
     }
 
-    $data = apply_filters( "wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php" );
-	wp_cache_set( "wpinv-data-$key", $data, 'wpinv' );
+    $data = apply_filters("wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php");
+	wp_cache_set("wpinv-data-$key", $data, 'wpinv');
 
 	return $data;
 }
@@ -757,10 +757,10 @@ 
  * @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;
 
@@ -772,21 +772,21 @@ 
  * @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;
 }
 
 /**
@@ -795,43 +795,43 @@ 
  * @param string $str Data to convert.
  * @return string|array
  */
-function getpaid_convert_price_string_to_options( $str ) {
+function getpaid_convert_price_string_to_options($str) {
 
-	$raw_options = array_map( 'trim', explode( ',', $str ) );
-    $options     = array();
+	$raw_options = array_map('trim', explode(',', $str));
+    $options = array();
 
-    foreach ( $raw_options as $option ) {
+    foreach ($raw_options as $option) {
 
-        if ( '' == $option ) {
+        if ('' == $option) {
             continue;
         }
 
-        $option = array_map( 'trim', explode( '|', $option ) );
+        $option = array_map('trim', explode('|', $option));
 
         $price = null;
         $label = null;
 
-        if ( isset( $option[0] ) && '' !=  $option[0] ) {
-            $label  = $option[0];
+        if (isset($option[0]) && '' != $option[0]) {
+            $label = $option[0];
         }
 
-        if ( isset( $option[1] ) && '' !=  $option[1] ) {
+        if (isset($option[1]) && '' != $option[1]) {
             $price = $option[1];
         }
 
-        if ( ! isset( $price ) ) {
+        if (!isset($price)) {
             $price = $label;
         }
 
-        if ( ! isset( $price ) || ! is_numeric( $price ) ) {
+        if (!isset($price) || !is_numeric($price)) {
             continue;
         }
 
-        if ( ! isset( $label ) ) {
+        if (!isset($label)) {
             $label = $price;
         }
 
-        $options[ $price ] = $label;
+        $options[$price] = $label;
     }
 
     return $options;
@@ -840,22 +840,22 @@ 
 /**
  * Returns the help tip.
  */
-function getpaid_get_help_tip( $tip, $additional_classes = '' ) {
-    $additional_classes = sanitize_html_class( $additional_classes );
-    $tip                = esc_attr__( $tip );
+function getpaid_get_help_tip($tip, $additional_classes = '') {
+    $additional_classes = sanitize_html_class($additional_classes);
+    $tip                = esc_attr__($tip);
     return "<span class='wpi-help-tip dashicons dashicons-editor-help $additional_classes' title='$tip'></span>";
 }
 
 /**
  * Formats a date
  */
-function getpaid_format_date( $date ) {
+function getpaid_format_date($date) {
 
-    if ( empty( $date ) || $date == '0000-00-00 00:00:00' ) {
+    if (empty($date) || $date == '0000-00-00 00:00:00') {
         return '';
     }
 
-    return date_i18n( getpaid_date_format(), strtotime( $date ) );
+    return date_i18n(getpaid_date_format(), strtotime($date));
 
 }
 
@@ -864,9 +864,9 @@ 
  *
  * @return string
  */
-function getpaid_format_date_value( $date, $default = "&mdash;" ) {
-    $date = getpaid_format_date( $date );
-    return empty( $date ) ? $default : $date;
+function getpaid_format_date_value($date, $default = "&mdash;") {
+    $date = getpaid_format_date($date);
+    return empty($date) ? $default : $date;
 }
 
 /**
@@ -875,7 +875,7 @@ 
  * @return string
  */
 function getpaid_date_format() {
-	return apply_filters( 'getpaid_date_format', get_option( 'date_format' ) );
+	return apply_filters('getpaid_date_format', get_option('date_format'));
 }
 
 /**
@@ -884,7 +884,7 @@ 
  * @return string
  */
 function getpaid_time_format() {
-	return apply_filters( 'getpaid_time_format', get_option( 'time_format' ) );
+	return apply_filters('getpaid_time_format', get_option('time_format'));
 }
 
 /**
@@ -894,16 +894,16 @@ 
  * @param  integer $limit Limit size in characters.
  * @return string
  */
-function getpaid_limit_length( $string, $limit ) {
+function getpaid_limit_length($string, $limit) {
     $str_limit = $limit - 3;
 
-	if ( function_exists( 'mb_strimwidth' ) ) {
-		if ( mb_strlen( $string ) > $limit ) {
-			$string = mb_strimwidth( $string, 0, $str_limit ) . '...';
+	if (function_exists('mb_strimwidth')) {
+		if (mb_strlen($string) > $limit) {
+			$string = mb_strimwidth($string, 0, $str_limit) . '...';
 		}
 	} else {
-		if ( strlen( $string ) > $limit ) {
-			$string = substr( $string, 0, $str_limit ) . '...';
+		if (strlen($string) > $limit) {
+			$string = substr($string, 0, $str_limit) . '...';
 		}
 	}
     return $string;
@@ -917,7 +917,7 @@ 
  * @since 1.0.19
  */
 function getpaid_api() {
-    return getpaid()->get( 'api' );
+    return getpaid()->get('api');
 }
 
 /**
@@ -927,7 +927,7 @@ 
  * @since 1.0.19
  */
 function getpaid_post_types() {
-    return getpaid()->get( 'post_types' );
+    return getpaid()->get('post_types');
 }
 
 /**
@@ -937,7 +937,7 @@ 
  * @since 1.0.19
  */
 function getpaid_session() {
-    return getpaid()->get( 'session' );
+    return getpaid()->get('session');
 }
 
 /**
@@ -947,7 +947,7 @@ 
  * @since 1.0.19
  */
 function getpaid_notes() {
-    return getpaid()->get( 'notes' );
+    return getpaid()->get('notes');
 }
 
 /**
@@ -956,7 +956,7 @@ 
  * @return GetPaid_Admin
  */
 function getpaid_admin() {
-    return getpaid()->get( 'admin' );
+    return getpaid()->get('admin');
 }
 
 /**
@@ -966,8 +966,8 @@ 
  * @param string $base the base url
  * @return string
  */
-function getpaid_get_authenticated_action_url( $action, $base = false ) {
-    return wp_nonce_url( add_query_arg( 'getpaid-action', $action, $base ), 'getpaid-nonce', 'getpaid-nonce' );
+function getpaid_get_authenticated_action_url($action, $base = false) {
+    return wp_nonce_url(add_query_arg('getpaid-action', $action, $base), 'getpaid-nonce', 'getpaid-nonce');
 }
 
 /**
@@ -975,11 +975,11 @@ 
  *
  * @return string
  */
-function getpaid_get_post_type_label( $post_type, $plural = true ) {
+function getpaid_get_post_type_label($post_type, $plural = true) {
 
-    $post_type = get_post_type_object( $post_type );
+    $post_type = get_post_type_object($post_type);
 
-    if ( ! is_object( $post_type ) ) {
+    if (!is_object($post_type)) {
         return null;
     }
 
@@ -992,18 +992,18 @@ 
  *
  * @return mixed|null
  */
-function getpaid_get_array_field( $array, $key, $secondary_key = null ) {
+function getpaid_get_array_field($array, $key, $secondary_key = null) {
 
-    if ( ! is_array( $array ) ) {
+    if (!is_array($array)) {
         return null;
     }
 
-    if ( ! empty( $secondary_key ) ) {
-        $array = isset( $array[ $secondary_key ] ) ? $array[ $secondary_key ] : array();
-        return getpaid_get_array_field( $array, $key );
+    if (!empty($secondary_key)) {
+        $array = isset($array[$secondary_key]) ? $array[$secondary_key] : array();
+        return getpaid_get_array_field($array, $key);
     }
 
-    return isset( $array[ $key ] ) ? $array[ $key ] : null;
+    return isset($array[$key]) ? $array[$key] : null;
 
 }
 
@@ -1012,12 +1012,12 @@ 
  *
  * @return array
  */
-function getpaid_array_merge_if_empty( $args, $defaults ) {
+function getpaid_array_merge_if_empty($args, $defaults) {
 
-    foreach ( $defaults as $key => $value ) {
+    foreach ($defaults as $key => $value) {
 
-        if ( array_key_exists( $key, $args ) && empty( $args[ $key ] ) ) {
-            $args[ $key ] = $value;
+        if (array_key_exists($key, $args) && empty($args[$key])) {
+            $args[$key] = $value;
         }
 
     }

includes/class-wpinv-legacy-invoice.php

Spacing +297 added lines, -297 removed lines

@@ -7,8 +7,8 @@ 
  */
  
 // 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__));
 }
 
 /**
@@ -19,7 +19,7 @@ 
     /**
      * Invoice id.
      */
-    public $ID  = 0;
+    public $ID = 0;
 
     /**
      * The title of the invoice. Usually the invoice number.
@@ -135,7 +135,7 @@ 
     /**
      * The invoice status.
      */
-    public $status      = 'wpi-pending';
+    public $status = 'wpi-pending';
 
     /**
      * Same as self::$status.
@@ -262,17 +262,17 @@ 
      */
     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;
         }
@@ -280,43 +280,43 @@ 
         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();
 
-        $invoice = get_post( $invoice_id );
+        $invoice = get_post($invoice_id);
 
-        if ( ! $invoice || is_wp_error( $invoice ) ) {
+        if (!$invoice || is_wp_error($invoice)) {
             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
@@ -326,15 +326,15 @@ 
         $this->completed_date  = $this->setup_completed_date();
         $this->status          = $invoice->post_status;
 
-        if ( 'future' == $this->status ) {
+        if ('future' == $this->status) {
             $this->status = 'publish';
         }
 
         $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->status_nicename = $this->setup_status_nicename( $invoice->post_status );
+        $this->post_name       = $this->setup_post_name($invoice);
+        $this->status_nicename = $this->setup_status_nicename($invoice->post_status);
 
         // Items
         $this->fees            = $this->setup_fees();
@@ -356,8 +356,8 @@ 
         
         // 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();
 
@@ -366,7 +366,7 @@ 
         $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'];
@@ -381,31 +381,31 @@ 
         // 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( $status ) {
+    private function setup_status_nicename($status) {
         return $status;
     }
 
-    private function setup_post_name( $post ) {
+    private function setup_post_name($post) {
         $this->post_name = $post->post_name;
     }
     
     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', 0 ) ) );
-            $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', 0)));
+            $due_date = date_i18n('Y-m-d', $overdue_time);
+        } else if ($due_date == 'none') {
             $due_date = '';
         }
         
@@ -413,67 +413,67 @@ 
     }
     
     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 || ! $this->is_taxable() ) {
+        if ($tax < 0 || !$this->is_taxable()) {
             $tax = 0;
         }
 
@@ -484,16 +484,16 @@ 
      * If taxes are enabled, allow users to enable/disable taxes per invoice.
      */
     private function setup_is_taxable() {
-        return (int) $this->get_meta( '_wpinv_disable_taxes', true );
+        return (int) $this->get_meta('_wpinv_disable_taxes', true);
     }
 
     private function setup_subtotal() {
         $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'];
                 }
             }
@@ -507,23 +507,23 @@ 
     }
 
     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;
         }
 
@@ -531,13 +531,13 @@ 
     }
     
     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';
         }
         
@@ -545,23 +545,23 @@ 
     }
 
     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;
     }
 
@@ -571,62 +571,62 @@ 
     ///}
         
     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;
     }
 
@@ -635,7 +635,7 @@ 
             '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,
@@ -650,12 +650,12 @@ 
         );
         
         $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;
@@ -664,13 +664,13 @@ 
             }
         }
         
-        $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,
@@ -679,23 +679,23 @@ 
                     '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;
                     }
                 }
@@ -706,25 +706,25 @@ 
     }
 
     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;
@@ -732,7 +732,7 @@ 
 
     public function save() {}
     
-    public function add_fee( $args ) {
+    public function add_fee($args) {
         $default_args = array(
             'label'       => '',
             'amount'      => 0,
@@ -742,75 +742,75 @@ 
             '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;
@@ -818,35 +818,35 @@ 
 
     
 
-    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,
@@ -854,53 +854,53 @@ 
             '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;
         }
 
@@ -911,56 +911,56 @@ 
         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);
             
             // 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;
@@ -977,113 +977,113 @@ 
     public function update_meta() {}
 
     // 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() {}
 
-    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() {
@@ -1095,150 +1095,150 @@ 
         return (int) $this->disable_taxes === 0;
     }
 
-    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());
         }
 
-        if ( ! $this->is_taxable() ) {
-            $tax = wpinv_round_amount( 0.00 );
+        if (!$this->is_taxable()) {
+            $tax = wpinv_round_amount(0.00);
         }
 
-        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() {
         $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);
 
     }
 
     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() {}
     
     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 ( ! $display ) {
+        if (!$display) {
             return $due_date;
         }
         
-        return getpaid_format_date( $this->due_date );
+        return getpaid_format_date($this->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   = getpaid_format_date( $invoice_date );
+        if ($formatted && $invoice_date) {
+            $invoice_date = getpaid_format_date($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() {}
@@ -1255,66 +1255,66 @@ 
 
     public function get_view_url() {}
 
-    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, $this );
+        return apply_filters('wpinv_invoice_is_free_trial', $is_free_trial, $this->cart_details, $this);
     }
 
     public function is_initial_free() {}
 
-    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() {}
@@ -1322,7 +1322,7 @@ 
     public function get_subscription_id() {}
 
     public function is_parent() {
-        return ! empty( $this->parent_invoice );
+        return !empty($this->parent_invoice);
     }
 
     public function is_renewal() {}
@@ -1336,8 +1336,8 @@ 
     public function is_refunded() {}
 
     public function is_free() {
-        $total = (float) wpinv_round_amount( $this->get_total() );
-        return $total > 0 && ! $this->is_recurring();
+        $total = (float) wpinv_round_amount($this->get_total());
+        return $total > 0 && !$this->is_recurring();
     }
 
     public function has_vat() {}

includes/class-getpaid-post-types.php

Spacing +110 added lines, -110 removed lines

@@ -6,7 +6,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Post types Class
@@ -18,10 +18,10 @@ 
 	 * Hook in methods.
 	 */
 	public function __construct() {
-		add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
-		add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
-		add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
-		add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
+		add_action('init', array(__CLASS__, 'register_post_types'), 1);
+		add_action('init', array(__CLASS__, 'register_post_status'), 4);
+		add_action('getpaid_flush_rewrite_rules', array(__CLASS__, 'flush_rewrite_rules'));
+		add_action('getpaid_after_register_post_types', array(__CLASS__, 'maybe_flush_rewrite_rules'));
 	}
 
 	/**
@@ -29,12 +29,12 @@ 
 	 */
 	public static function register_post_types() {
 
-		if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
+		if (!is_blog_installed() || post_type_exists('wpi_item')) {
 			return;
 		}
 
 		// Fires before registering post types.
-		do_action( 'getpaid_register_post_types' );
+		do_action('getpaid_register_post_types');
 
 		// Register item post type.
 		register_post_type(
@@ -43,29 +43,29 @@ 
 				'wpinv_register_post_type_invoice_item',
 				array(
 					'labels'             => array(
-						'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Item', 'invoicing' ),
-						'new_item'           => __( 'New Item', 'invoicing' ),
-						'edit_item'          => __( 'Edit Item', 'invoicing' ),
-						'view_item'          => __( 'View Item', 'invoicing' ),
-						'all_items'          => __( 'Items', 'invoicing' ),
-						'search_items'       => __( 'Search items', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
-						'not_found'          => __( 'No items found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' )
+						'name'               => _x('Items', 'post type general name', 'invoicing'),
+						'singular_name'      => _x('Item', 'post type singular name', 'invoicing'),
+						'menu_name'          => _x('Items', 'admin menu', 'invoicing'),
+						'name_admin_bar'     => _x('Item', 'add new on admin bar', 'invoicing'),
+						'add_new'            => _x('Add New', 'Item', 'invoicing'),
+						'add_new_item'       => __('Add New Item', 'invoicing'),
+						'new_item'           => __('New Item', 'invoicing'),
+						'edit_item'          => __('Edit Item', 'invoicing'),
+						'view_item'          => __('View Item', 'invoicing'),
+						'all_items'          => __('Items', 'invoicing'),
+						'search_items'       => __('Search items', 'invoicing'),
+						'parent_item_colon'  => __('Parent item:', 'invoicing'),
+						'not_found'          => __('No items found.', 'invoicing'),
+						'not_found_in_trash' => __('No items found in trash.', 'invoicing')
 					),
-					'description'           => __( 'This is where you can add new invoice items.', 'invoicing' ),
+					'description'           => __('This is where you can add new invoice items.', 'invoicing'),
 					'public'                => false,
 					'has_archive'           => false,
 					'_builtin'              => false,
 					'show_ui'               => true,
 					'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
 					'show_in_nav_menus'     => false,
-					'supports'              => array( 'title', 'excerpt', 'thumbnail' ),
+					'supports'              => array('title', 'excerpt', 'thumbnail'),
 					'rewrite'               => false,
 					'query_var'             => false,
 					'map_meta_cap'          => true,
@@ -82,22 +82,22 @@ 
 				'wpinv_register_post_type_payment_form',
 				array(
 					'labels'             => array(
-						'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
-						'new_item'           => __( 'New Payment Form', 'invoicing' ),
-						'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
-						'view_item'          => __( 'View Payment Form', 'invoicing' ),
-						'all_items'          => __( 'Payment Forms', 'invoicing' ),
-						'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
-						'not_found'          => __( 'No payment forms found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' )
+						'name'               => _x('Payment Forms', 'post type general name', 'invoicing'),
+						'singular_name'      => _x('Payment Form', 'post type singular name', 'invoicing'),
+						'menu_name'          => _x('Payment Forms', 'admin menu', 'invoicing'),
+						'name_admin_bar'     => _x('Payment Form', 'add new on admin bar', 'invoicing'),
+						'add_new'            => _x('Add New', 'Payment Form', 'invoicing'),
+						'add_new_item'       => __('Add New Payment Form', 'invoicing'),
+						'new_item'           => __('New Payment Form', 'invoicing'),
+						'edit_item'          => __('Edit Payment Form', 'invoicing'),
+						'view_item'          => __('View Payment Form', 'invoicing'),
+						'all_items'          => __('Payment Forms', 'invoicing'),
+						'search_items'       => __('Search Payment Forms', 'invoicing'),
+						'parent_item_colon'  => __('Parent Payment Forms:', 'invoicing'),
+						'not_found'          => __('No payment forms found.', 'invoicing'),
+						'not_found_in_trash' => __('No payment forms found in trash.', 'invoicing')
 					),
-					'description'        => __( 'Add new payment forms.', 'invoicing' ),
+					'description'        => __('Add new payment forms.', 'invoicing'),
 					'public'             => false,
 					'show_ui'            => true,
 					'show_in_menu'       => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : true,
@@ -108,7 +108,7 @@ 
 					'has_archive'        => false,
 					'hierarchical'       => false,
 					'menu_position'      => null,
-					'supports'           => array( 'title' ),
+					'supports'           => array('title'),
 					'menu_icon'          => 'dashicons-media-form',
 				)
 			)
@@ -121,32 +121,32 @@ 
 				'wpinv_register_post_type_invoice',
 				array(
 					'labels'                 => array(
-						'name'                  => __( 'Invoices', 'invoicing' ),
-						'singular_name'         => __( 'Invoice', 'invoicing' ),
-						'all_items'             => __( 'Invoices', 'invoicing' ),
-						'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit invoice', 'invoicing' ),
-						'new_item'              => __( 'New invoice', 'invoicing' ),
-						'view_item'             => __( 'View invoice', 'invoicing' ),
-						'view_items'            => __( 'View Invoices', 'invoicing' ),
-						'search_items'          => __( 'Search invoices', 'invoicing' ),
-						'not_found'             => __( 'No invoices found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent invoice', 'invoicing' ),
-						'featured_image'        => __( 'Invoice image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
-						'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
-						'items_list'            => __( 'Invoices list', 'invoicing' ),
+						'name'                  => __('Invoices', 'invoicing'),
+						'singular_name'         => __('Invoice', 'invoicing'),
+						'all_items'             => __('Invoices', 'invoicing'),
+						'menu_name'             => _x('Invoices', 'Admin menu name', 'invoicing'),
+						'add_new'               => __('Add New', 'invoicing'),
+						'add_new_item'          => __('Add new invoice', 'invoicing'),
+						'edit'                  => __('Edit', 'invoicing'),
+						'edit_item'             => __('Edit invoice', 'invoicing'),
+						'new_item'              => __('New invoice', 'invoicing'),
+						'view_item'             => __('View invoice', 'invoicing'),
+						'view_items'            => __('View Invoices', 'invoicing'),
+						'search_items'          => __('Search invoices', 'invoicing'),
+						'not_found'             => __('No invoices found', 'invoicing'),
+						'not_found_in_trash'    => __('No invoices found in trash', 'invoicing'),
+						'parent'                => __('Parent invoice', 'invoicing'),
+						'featured_image'        => __('Invoice image', 'invoicing'),
+						'set_featured_image'    => __('Set invoice image', 'invoicing'),
+						'remove_featured_image' => __('Remove invoice image', 'invoicing'),
+						'use_featured_image'    => __('Use as invoice image', 'invoicing'),
+						'insert_into_item'      => __('Insert into invoice', 'invoicing'),
+						'uploaded_to_this_item' => __('Uploaded to this invoice', 'invoicing'),
+						'filter_items_list'     => __('Filter invoices', 'invoicing'),
+						'items_list_navigation' => __('Invoices navigation', 'invoicing'),
+						'items_list'            => __('Invoices list', 'invoicing'),
 					),
-					'description'           => __( 'This is where invoices are stored.', 'invoicing' ),
+					'description'           => __('This is where invoices are stored.', 'invoicing'),
 					'public'                => true,
 					'has_archive'           => false,
 					'publicly_queryable'    => true,
@@ -154,7 +154,7 @@ 
         			'show_ui'               => true,
 					'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
 					'show_in_nav_menus'     => false,
-					'supports'              => array( 'title', 'author', 'excerpt'  ),
+					'supports'              => array('title', 'author', 'excerpt'),
 					'rewrite'               => array(
 						'slug'              => 'invoice',
 						'with_front'        => false,
@@ -177,32 +177,32 @@ 
 				'wpinv_register_post_type_discount',
 				array(
 					'labels'                 => array(
-						'name'                  => __( 'Discounts', 'invoicing' ),
-						'singular_name'         => __( 'Discount', 'invoicing' ),
-						'all_items'             => __( 'Discounts', 'invoicing' ),
-						'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new discount', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit discount', 'invoicing' ),
-						'new_item'              => __( 'New discount', 'invoicing' ),
-						'view_item'             => __( 'View discount', 'invoicing' ),
-						'view_items'            => __( 'View Discounts', 'invoicing' ),
-						'search_items'          => __( 'Search discounts', 'invoicing' ),
-						'not_found'             => __( 'No discounts found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent discount', 'invoicing' ),
-						'featured_image'        => __( 'Discount image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
-						'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
-						'items_list'            => __( 'Discounts list', 'invoicing' ),
+						'name'                  => __('Discounts', 'invoicing'),
+						'singular_name'         => __('Discount', 'invoicing'),
+						'all_items'             => __('Discounts', 'invoicing'),
+						'menu_name'             => _x('Discounts', 'Admin menu name', 'invoicing'),
+						'add_new'               => __('Add New', 'invoicing'),
+						'add_new_item'          => __('Add new discount', 'invoicing'),
+						'edit'                  => __('Edit', 'invoicing'),
+						'edit_item'             => __('Edit discount', 'invoicing'),
+						'new_item'              => __('New discount', 'invoicing'),
+						'view_item'             => __('View discount', 'invoicing'),
+						'view_items'            => __('View Discounts', 'invoicing'),
+						'search_items'          => __('Search discounts', 'invoicing'),
+						'not_found'             => __('No discounts found', 'invoicing'),
+						'not_found_in_trash'    => __('No discounts found in trash', 'invoicing'),
+						'parent'                => __('Parent discount', 'invoicing'),
+						'featured_image'        => __('Discount image', 'invoicing'),
+						'set_featured_image'    => __('Set discount image', 'invoicing'),
+						'remove_featured_image' => __('Remove discount image', 'invoicing'),
+						'use_featured_image'    => __('Use as discount image', 'invoicing'),
+						'insert_into_item'      => __('Insert into discount', 'invoicing'),
+						'uploaded_to_this_item' => __('Uploaded to this discount', 'invoicing'),
+						'filter_items_list'     => __('Filter discounts', 'invoicing'),
+						'items_list_navigation' => __('Discount navigation', 'invoicing'),
+						'items_list'            => __('Discounts list', 'invoicing'),
 					),
-					'description'        => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
+					'description'        => __('This is where you can add new discounts that users can use in invoices.', 'invoicing'),
 					'public'             => false,
 					'can_export'         => true,
 					'_builtin'           => false,
@@ -215,7 +215,7 @@ 
 					'map_meta_cap'       => true,
 					'has_archive'        => false,
 					'hierarchical'       => false,
-					'supports'           => array( 'title', 'excerpt' ),
+					'supports'           => array('title', 'excerpt'),
 					'show_in_nav_menus'  => false,
 					'show_in_admin_bar'  => true,
 					'menu_position'      => null,
@@ -223,7 +223,7 @@ 
 			)
 		);
 
-		do_action( 'getpaid_after_register_post_types' );
+		do_action('getpaid_after_register_post_types');
 	}
 
 	/**
@@ -236,79 +236,79 @@ 
 			array(
 
 				'wpi-pending' => array(
-					'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Pending Payment', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-processing' => array(
-					'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Processing', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-onhold' => array(
-					'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('On Hold', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-cancelled' => array(
-					'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Cancelled', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-refunded' => array(
-					'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Refunded', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-failed' => array(
-					'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Failed', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing')
 				),
 
 				'wpi-renewal' => array(
-					'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Renewal', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' )
+        			'label_count'               => _n_noop('Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing')
 				)
 			)
 		);
 
-		foreach ( $invoice_statuses as $invoice_statuse => $args ) {
-			register_post_status( $invoice_statuse, $args );
+		foreach ($invoice_statuses as $invoice_statuse => $args) {
+			register_post_status($invoice_statuse, $args);
 		}
 	}
 
@@ -324,8 +324,8 @@ 
 	 *
 	 */
 	public static function maybe_flush_rewrite_rules() {
-		if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
-			update_option( 'getpaid_flushed_rewrite_rules', '1' );
+		if (!get_option('getpaid_flushed_rewrite_rules')) {
+			update_option('getpaid_flushed_rewrite_rules', '1');
 			self::flush_rewrite_rules();
 		}
 	}

includes/wpinv-gateway-functions.php

Spacing +140 added lines, -140 removed lines

@@ -3,7 +3,7 @@ 
  * Contains gateway functions.
  *
  */
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Returns an array of payment gateways.
@@ -11,82 +11,82 @@ 
  * @return array
  */
 function wpinv_get_payment_gateways() {
-    return apply_filters( 'wpinv_payment_gateways', array() );
+    return apply_filters('wpinv_payment_gateways', array());
 }
 
-function wpinv_payment_gateway_titles( $all_gateways ) {
+function wpinv_payment_gateway_titles($all_gateways) {
     global $wpinv_options;
 
     $gateways = array();
-    foreach ( $all_gateways as $key => $gateway ) {
-        if ( !empty( $wpinv_options[$key . '_title'] ) ) {
-            $all_gateways[$key]['checkout_label'] = __( $wpinv_options[$key . '_title'], 'invoicing' );
+    foreach ($all_gateways as $key => $gateway) {
+        if (!empty($wpinv_options[$key . '_title'])) {
+            $all_gateways[$key]['checkout_label'] = __($wpinv_options[$key . '_title'], 'invoicing');
         }
 
-        $gateways[$key] = isset( $wpinv_options[$key . '_ordering'] ) ? $wpinv_options[$key . '_ordering'] : ( isset( $gateway['ordering'] ) ? $gateway['ordering'] : '' );
+        $gateways[$key] = isset($wpinv_options[$key . '_ordering']) ? $wpinv_options[$key . '_ordering'] : (isset($gateway['ordering']) ? $gateway['ordering'] : '');
     }
 
-    asort( $gateways );
+    asort($gateways);
 
-    foreach ( $gateways as $gateway => $key ) {
+    foreach ($gateways as $gateway => $key) {
         $gateways[$gateway] = $all_gateways[$gateway];
     }
 
     return $gateways;
 }
-add_filter( 'wpinv_payment_gateways', 'wpinv_payment_gateway_titles', 1000, 1 );
+add_filter('wpinv_payment_gateways', 'wpinv_payment_gateway_titles', 1000, 1);
 
-function wpinv_get_enabled_payment_gateways( $sort = false ) {
+function wpinv_get_enabled_payment_gateways($sort = false) {
     $gateways = wpinv_get_payment_gateways();
-    $enabled  = wpinv_get_option( 'gateways', array( 'manual' => 1 ) );
+    $enabled  = wpinv_get_option('gateways', array('manual' => 1));
 
     $gateway_list = array();
 
-    foreach ( $gateways as $key => $gateway ) {
-        if ( isset( $enabled[ $key ] ) && $enabled[ $key ] == 1 ) {
-            $gateway_list[ $key ] = $gateway;
+    foreach ($gateways as $key => $gateway) {
+        if (isset($enabled[$key]) && $enabled[$key] == 1) {
+            $gateway_list[$key] = $gateway;
         }
     }
 
-    if ( true === $sort ) {
-        uasort( $gateway_list, 'wpinv_sort_gateway_order' );
+    if (true === $sort) {
+        uasort($gateway_list, 'wpinv_sort_gateway_order');
         
         // Reorder our gateways so the default is first
         $default_gateway_id = wpinv_get_default_gateway();
 
-        if ( wpinv_is_gateway_active( $default_gateway_id ) ) {
-            $default_gateway    = array( $default_gateway_id => $gateway_list[ $default_gateway_id ] );
-            unset( $gateway_list[ $default_gateway_id ] );
+        if (wpinv_is_gateway_active($default_gateway_id)) {
+            $default_gateway = array($default_gateway_id => $gateway_list[$default_gateway_id]);
+            unset($gateway_list[$default_gateway_id]);
 
-            $gateway_list = array_merge( $default_gateway, $gateway_list );
+            $gateway_list = array_merge($default_gateway, $gateway_list);
         }
     }
 
-    return apply_filters( 'wpinv_enabled_payment_gateways', $gateway_list );
+    return apply_filters('wpinv_enabled_payment_gateways', $gateway_list);
 }
 
-function wpinv_sort_gateway_order( $a, $b ) {
+function wpinv_sort_gateway_order($a, $b) {
     return $a['ordering'] - $b['ordering'];
 }
 
-function wpinv_is_gateway_active( $gateway ) {
+function wpinv_is_gateway_active($gateway) {
     $gateways = wpinv_get_enabled_payment_gateways();
 
-    $ret = is_array($gateways) && $gateway ?  array_key_exists( $gateway, $gateways ) : false;
+    $ret = is_array($gateways) && $gateway ?  array_key_exists($gateway, $gateways) : false;
 
-    return apply_filters( 'wpinv_is_gateway_active', $ret, $gateway, $gateways );
+    return apply_filters('wpinv_is_gateway_active', $ret, $gateway, $gateways);
 }
 
 function wpinv_get_default_gateway() {
-    $default = wpinv_get_option( 'default_gateway', 'paypal' );
+    $default = wpinv_get_option('default_gateway', 'paypal');
 
-    if ( !wpinv_is_gateway_active( $default ) ) {
+    if (!wpinv_is_gateway_active($default)) {
         $gateways = wpinv_get_enabled_payment_gateways();
-        $gateways = array_keys( $gateways );
-        $default  = reset( $gateways );
+        $gateways = array_keys($gateways);
+        $default  = reset($gateways);
     }
 
-    return apply_filters( 'wpinv_default_gateway', $default );
+    return apply_filters('wpinv_default_gateway', $default);
 }
 
 /**
@@ -95,17 +95,17 @@ 
  * @param string $gateway The gateway to key.
  * @return string
  */
-function wpinv_get_gateway_admin_label( $gateway ) {
+function wpinv_get_gateway_admin_label($gateway) {
 
-    if ( empty( $gateway ) || 'none' == $gateway ) {
-        return esc_html__( 'No Gateway', 'invoicing' );
+    if (empty($gateway) || 'none' == $gateway) {
+        return esc_html__('No Gateway', 'invoicing');
     }
 
     $gateways = wpinv_get_payment_gateways();
-    $label    = isset( $gateways[ $gateway ] ) ? $gateways[ $gateway ]['admin_label'] : $gateway;
-    $gateway  = apply_filters( 'wpinv_gateway_admin_label', $label, $gateway );
+    $label    = isset($gateways[$gateway]) ? $gateways[$gateway]['admin_label'] : $gateway;
+    $gateway  = apply_filters('wpinv_gateway_admin_label', $label, $gateway);
 
-    return wpinv_clean( $gateway );
+    return wpinv_clean($gateway);
 }
 
 /**
@@ -113,49 +113,49 @@ 
  * 
  * @param string $gateway
  */
-function wpinv_get_gateway_description( $gateway ) {
+function wpinv_get_gateway_description($gateway) {
     global $wpinv_options;
 
-    $description = ! empty( $wpinv_options[$gateway . '_desc'] ) ? $wpinv_options[$gateway . '_desc'] : '';
+    $description = !empty($wpinv_options[$gateway . '_desc']) ? $wpinv_options[$gateway . '_desc'] : '';
 
-    return apply_filters( 'wpinv_gateway_description', $description, $gateway );
+    return apply_filters('wpinv_gateway_description', $description, $gateway);
 }
 
-function wpinv_get_gateway_button_label( $gateway ) {
-    return apply_filters( 'wpinv_gateway_' . $gateway . '_button_label', '' );
+function wpinv_get_gateway_button_label($gateway) {
+    return apply_filters('wpinv_gateway_' . $gateway . '_button_label', '');
 }
 
-function wpinv_get_gateway_checkout_label( $gateway ) {
+function wpinv_get_gateway_checkout_label($gateway) {
     $gateways = wpinv_get_payment_gateways();
-    $label    = isset( $gateways[ $gateway ] ) ? $gateways[ $gateway ]['checkout_label'] : $gateway;
+    $label    = isset($gateways[$gateway]) ? $gateways[$gateway]['checkout_label'] : $gateway;
 
-    if ( $gateway == 'none' ) {
-        $label = __( 'None', 'invoicing' );
+    if ($gateway == 'none') {
+        $label = __('None', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_gateway_checkout_label', ucfirst( $label ), $gateway );
+    return apply_filters('wpinv_gateway_checkout_label', ucfirst($label), $gateway);
 }
 
-function wpinv_settings_sections_gateways( $settings ) {
+function wpinv_settings_sections_gateways($settings) {
     $gateways = wpinv_get_payment_gateways();
     
     if (!empty($gateways)) {
-        foreach  ($gateways as $key => $gateway) {
+        foreach ($gateways as $key => $gateway) {
             $settings[$key] = $gateway['admin_label'];
         }
     }
     
     return $settings;    
 }
-add_filter( 'wpinv_settings_sections_gateways', 'wpinv_settings_sections_gateways', 10, 1 );
+add_filter('wpinv_settings_sections_gateways', 'wpinv_settings_sections_gateways', 10, 1);
 
 /**
  * Adds GateWay settings.
  */
-function wpinv_settings_gateways( $settings ) {
+function wpinv_settings_gateways($settings) {
 
     // Loop through each gateway.
-    foreach  ( wpinv_get_payment_gateways() as $key => $gateway ) {
+    foreach (wpinv_get_payment_gateways() as $key => $gateway) {
 
         $gateway_settings = array(
 
@@ -163,7 +163,7 @@ 
             "{$key}_header" => array(
 
                 'id'     => "{$key}_gateway_header",
-                'name'   => '<h3>' . wp_sprintf( __( '%s Settings', 'invoicing' ), $gateway['admin_label'] ) . '</h3>',
+                'name'   => '<h3>' . wp_sprintf(__('%s Settings', 'invoicing'), $gateway['admin_label']) . '</h3>',
                 'custom' => $key,
                 'type'   => 'gateway_header',
 
@@ -172,16 +172,16 @@ 
             // Activate/Deactivate a gateway.
             "{$key}_active" => array(
                 'id'   => $key . '_active',
-                'name' => __( 'Activate', 'invoicing' ),
-                'desc' => wp_sprintf( __( 'Enable %s', 'invoicing' ), $gateway['admin_label'] ),
+                'name' => __('Activate', 'invoicing'),
+                'desc' => wp_sprintf(__('Enable %s', 'invoicing'), $gateway['admin_label']),
                 'type' => 'checkbox',
             ),
 
             // Activate/Deactivate sandbox.
             "{$key}_sandbox" => array(
                 'id'   => $key . '_sandbox',
-                'name' => __( 'Sandbox', 'invoicing' ),
-                'desc' => __( 'Enable sandbox to test payments', 'invoicing' ),
+                'name' => __('Sandbox', 'invoicing'),
+                'desc' => __('Enable sandbox to test payments', 'invoicing'),
                 'type' => 'checkbox',
                 'std'  => '1',
             ),
@@ -189,40 +189,40 @@ 
             // Checkout title.
             "{$key}_title" => array(
                 'id'   => $key . '_title',
-                'name' => __( 'Checkout Title', 'invoicing' ),
-                'std'  => isset( $gateway['checkout_label'] ) ? $gateway['checkout_label'] : '',
+                'name' => __('Checkout Title', 'invoicing'),
+                'std'  => isset($gateway['checkout_label']) ? $gateway['checkout_label'] : '',
                 'type' => 'text',
             ),
 
             // Checkout description.
             "{$key}_desc" => array(
                 'id'   => $key . '_desc',
-                'name' => __( 'Checkout Description', 'invoicing' ),
-                'std'  => apply_filters( "getpaid_default_{$key}_checkout_description", '' ),
+                'name' => __('Checkout Description', 'invoicing'),
+                'std'  => apply_filters("getpaid_default_{$key}_checkout_description", ''),
                 'type' => 'text',
             ),
 
             // Checkout order.
             "{$key}_ordering" => array(
                 'id'   => $key . '_ordering',
-                'name' => __( 'Priority', 'invoicing' ),
-                'std'  => apply_filters( "getpaid_default_{$key}_checkout_description", '' ),
+                'name' => __('Priority', 'invoicing'),
+                'std'  => apply_filters("getpaid_default_{$key}_checkout_description", ''),
                 'type' => 'number',
                 'step' => '1',
                 'min'  => '0',
                 'max'  => '100000',
-                'std'  => isset( $gateway['ordering'] ) ? $gateway['ordering'] : '10',
+                'std'  => isset($gateway['ordering']) ? $gateway['ordering'] : '10',
             ),
 
         );
 
         // Maybe remove the sandbox.
-        if ( ! apply_filters( "wpinv_{$key}_supports_sandbox", false ) ) {
-            unset( $gateway_settings["{$key}_sandbox"] );
+        if (!apply_filters("wpinv_{$key}_supports_sandbox", false)) {
+            unset($gateway_settings["{$key}_sandbox"]);
         }
   
-        $gateway_settings = apply_filters( 'wpinv_gateway_settings', $gateway_settings, $key, $gateway );
-        $gateway_settings = apply_filters( 'wpinv_gateway_settings_' . $key, $gateway_settings, $gateway );
+        $gateway_settings = apply_filters('wpinv_gateway_settings', $gateway_settings, $key, $gateway);
+        $gateway_settings = apply_filters('wpinv_gateway_settings_' . $key, $gateway_settings, $gateway);
         
         $settings[$key] = $gateway_settings;
     }
@@ -230,57 +230,57 @@ 
     return $settings;
 
 }
-add_filter( 'wpinv_settings_gateways', 'wpinv_settings_gateways', 10, 1 );
+add_filter('wpinv_settings_gateways', 'wpinv_settings_gateways', 10, 1);
 
-function wpinv_gateway_header_callback( $args ) {
-    echo '<input type="hidden" id="wpinv_settings[save_gateway]" name="wpinv_settings[save_gateway]" value="' . esc_attr( $args['custom'] ) . '" />';
+function wpinv_gateway_header_callback($args) {
+    echo '<input type="hidden" id="wpinv_settings[save_gateway]" name="wpinv_settings[save_gateway]" value="' . esc_attr($args['custom']) . '" />';
 }
 
-function wpinv_get_gateway_supports( $gateway ) {
+function wpinv_get_gateway_supports($gateway) {
     $gateways = wpinv_get_enabled_payment_gateways();
-    $supports = isset( $gateways[ $gateway ]['supports'] ) ? $gateways[ $gateway ]['supports'] : array();
-    return apply_filters( 'wpinv_gateway_supports', $supports, $gateway );
+    $supports = isset($gateways[$gateway]['supports']) ? $gateways[$gateway]['supports'] : array();
+    return apply_filters('wpinv_gateway_supports', $supports, $gateway);
 }
 
-function wpinv_get_chosen_gateway( $invoice_id = 0 ) {
-	$gateways = array_keys( wpinv_get_enabled_payment_gateways() );
+function wpinv_get_chosen_gateway($invoice_id = 0) {
+	$gateways = array_keys(wpinv_get_enabled_payment_gateways());
 
     $chosen = false;
-    if ( $invoice_id > 0 && $invoice = wpinv_get_invoice( $invoice_id ) ) {
+    if ($invoice_id > 0 && $invoice = wpinv_get_invoice($invoice_id)) {
         $chosen = $invoice->get_gateway();
     }
 
-	$chosen   = isset( $_REQUEST['payment-mode'] ) ? sanitize_text_field( $_REQUEST['payment-mode'] ) : $chosen;
+	$chosen = isset($_REQUEST['payment-mode']) ? sanitize_text_field($_REQUEST['payment-mode']) : $chosen;
 
-	if ( false !== $chosen ) {
-		$chosen = preg_replace('/[^a-zA-Z0-9-_]+/', '', $chosen );
+	if (false !== $chosen) {
+		$chosen = preg_replace('/[^a-zA-Z0-9-_]+/', '', $chosen);
 	}
 
-	if ( ! empty ( $chosen ) ) {
-		$enabled_gateway = urldecode( $chosen );
-	} else if (  !empty( $invoice ) && (float)$invoice->get_subtotal() <= 0 ) {
+	if (!empty ($chosen)) {
+		$enabled_gateway = urldecode($chosen);
+	} else if (!empty($invoice) && (float) $invoice->get_subtotal() <= 0) {
 		$enabled_gateway = 'manual';
 	} else {
 		$enabled_gateway = wpinv_get_default_gateway();
 	}
     
-    if ( !wpinv_is_gateway_active( $enabled_gateway ) && !empty( $gateways ) ) {
-        if(wpinv_is_gateway_active( wpinv_get_default_gateway()) ){
+    if (!wpinv_is_gateway_active($enabled_gateway) && !empty($gateways)) {
+        if (wpinv_is_gateway_active(wpinv_get_default_gateway())) {
             $enabled_gateway = wpinv_get_default_gateway();
-        }else{
+        } else {
             $enabled_gateway = $gateways[0];
         }
 
     }
 
-	return apply_filters( 'wpinv_chosen_gateway', $enabled_gateway );
+	return apply_filters('wpinv_chosen_gateway', $enabled_gateway);
 }
 
-function wpinv_record_gateway_error( $title = '', $message = '' ) {
-    return wpinv_error_log( $message, $title );
+function wpinv_record_gateway_error($title = '', $message = '') {
+    return wpinv_error_log($message, $title);
 }
 
-function wpinv_count_sales_by_gateway( $gateway_id = 'paypal', $status = 'publish' ) {
+function wpinv_count_sales_by_gateway($gateway_id = 'paypal', $status = 'publish') {
 	$ret  = 0;
 	$args = array(
 		'meta_key'    => '_wpinv_gateway',
@@ -291,48 +291,48 @@ 
 		'fields'      => 'ids'
 	);
 
-	$payments = new WP_Query( $args );
+	$payments = new WP_Query($args);
 
-	if( $payments )
+	if ($payments)
 		$ret = $payments->post_count;
 	return $ret;
 }
 
-function wpinv_settings_update_gateways( $input ) {
+function wpinv_settings_update_gateways($input) {
     global $wpinv_options;
     
-    if ( !empty( $input['save_gateway'] ) ) {
-        $gateways = wpinv_get_option( 'gateways', array( 'manual' => 1 ) );
+    if (!empty($input['save_gateway'])) {
+        $gateways = wpinv_get_option('gateways', array('manual' => 1));
         $gateways = !empty($gateways) ? $gateways : array();
         $gateway = $input['save_gateway'];
         
-        if ( !empty( $input[$gateway . '_active'] ) ) {
+        if (!empty($input[$gateway . '_active'])) {
             $gateways[$gateway] = 1;
         } else {
-            if ( isset( $gateways[$gateway] ) ) {
-                unset( $gateways[$gateway] );
+            if (isset($gateways[$gateway])) {
+                unset($gateways[$gateway]);
             }
         }
         
         $input['gateways'] = $gateways;
     }
     
-    if ( !empty( $input['default_gateway'] ) ) {
+    if (!empty($input['default_gateway'])) {
         $gateways = wpinv_get_payment_gateways();
         
-        foreach ( $gateways as $key => $gateway ) {
-            $active   = 0;
-            if ( !empty( $input['gateways'] ) && !empty( $input['gateways'][$key] ) ) {
+        foreach ($gateways as $key => $gateway) {
+            $active = 0;
+            if (!empty($input['gateways']) && !empty($input['gateways'][$key])) {
                 $active = 1;
             }
             
             $input[$key . '_active'] = $active;
             
-            if ( empty( $wpinv_options[$key . '_title'] ) ) {
+            if (empty($wpinv_options[$key . '_title'])) {
                 $input[$key . '_title'] = $gateway['checkout_label'];
             }
             
-            if ( !isset( $wpinv_options[$key . '_ordering'] ) && isset( $gateway['ordering'] ) ) {
+            if (!isset($wpinv_options[$key . '_ordering']) && isset($gateway['ordering'])) {
                 $input[$key . '_ordering'] = $gateway['ordering'];
             }
         }
@@ -340,27 +340,27 @@ 
     
     return $input;
 }
-add_filter( 'wpinv_settings_tab_gateways_sanitize', 'wpinv_settings_update_gateways', 10, 1 );
+add_filter('wpinv_settings_tab_gateways_sanitize', 'wpinv_settings_update_gateways', 10, 1);
 
 // PayPal Standard settings
-function wpinv_gateway_settings_paypal( $setting ) {    
-    $setting['paypal_active']['desc'] = $setting['paypal_active']['desc'] . ' ' . __( '( Supported Currencies: AUD, BRL, CAD, CZK, DKK, EUR, HKD, HUF, ILS, JPY, MYR, MXN, NOK, NZD, PHP, PLN, GBP, SGD, SEK, CHF, TWD, THB, USD )', 'invoicing' );
-    $setting['paypal_desc']['std'] = __( 'Pay via PayPal: you can pay with your credit card if you don\'t have a PayPal account.', 'invoicing' );
+function wpinv_gateway_settings_paypal($setting) {    
+    $setting['paypal_active']['desc'] = $setting['paypal_active']['desc'] . ' ' . __('( Supported Currencies: AUD, BRL, CAD, CZK, DKK, EUR, HKD, HUF, ILS, JPY, MYR, MXN, NOK, NZD, PHP, PLN, GBP, SGD, SEK, CHF, TWD, THB, USD )', 'invoicing');
+    $setting['paypal_desc']['std'] = __('Pay via PayPal: you can pay with your credit card if you don\'t have a PayPal account.', 'invoicing');
     
     $setting['paypal_sandbox'] = array(
             'type' => 'checkbox',
             'id'   => 'paypal_sandbox',
-            'name' => __( 'PayPal Sandbox', 'invoicing' ),
-            'desc' => __( 'PayPal sandbox can be used to test payments.', 'invoicing' ),
+            'name' => __('PayPal Sandbox', 'invoicing'),
+            'desc' => __('PayPal sandbox can be used to test payments.', 'invoicing'),
             'std'  => 1
         );
         
     $setting['paypal_email'] = array(
             'type' => 'text',
             'id'   => 'paypal_email',
-            'name' => __( 'PayPal Email', 'invoicing' ),
-            'desc' => __( 'Please enter your PayPal account\'s email address. Ex: myaccount@paypal.com', 'invoicing' ),
-            'std' => __( 'myaccount@paypal.com', 'invoicing' ),
+            'name' => __('PayPal Email', 'invoicing'),
+            'desc' => __('Please enter your PayPal account\'s email address. Ex: myaccount@paypal.com', 'invoicing'),
+            'std' => __('myaccount@paypal.com', 'invoicing'),
         );
     /*
     $setting['paypal_ipn_url'] = array(
@@ -374,18 +374,18 @@ 
         
     return $setting;
 }
-add_filter( 'wpinv_gateway_settings_paypal', 'wpinv_gateway_settings_paypal', 10, 1 );
+add_filter('wpinv_gateway_settings_paypal', 'wpinv_gateway_settings_paypal', 10, 1);
 
 /**
  * Displays the ipn url field.
  */
-function wpinv_ipn_url_callback( $args ) {
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+function wpinv_ipn_url_callback($args) {
+    $sanitize_id = wpinv_sanitize_key($args['id']);
     
     $attrs = $args['readonly'] ? ' readonly' : '';
 
-    $html = '<input class="regular-text" type="text" ' . $attrs . ' value="' . esc_attr( $args['std'] ) . '" name="wpinv_settings[' . $sanitize_id . ']" id="wpinv_settings[' . $sanitize_id . ']" onClick="this.select()">';
-    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']">'  . $args['desc'] . '</label>';
+    $html = '<input class="regular-text" type="text" ' . $attrs . ' value="' . esc_attr($args['std']) . '" name="wpinv_settings[' . $sanitize_id . ']" id="wpinv_settings[' . $sanitize_id . ']" onClick="this.select()">';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']">' . $args['desc'] . '</label>';
 
     echo $html;
 }
@@ -397,10 +397,10 @@ 
  *
  * @return bool
  */
-function wpinv_is_test_mode( $gateway = '' ) {
-    $sandbox  = empty( $gateway ) ? false : wpinv_get_option( "{$gateway}_sandbox", true );
-    $supports = apply_filters( "wpinv_{$gateway}_supports_sandbox", false );
-    return apply_filters( 'wpinv_is_test_mode', $sandbox && $supports, $gateway );
+function wpinv_is_test_mode($gateway = '') {
+    $sandbox  = empty($gateway) ? false : wpinv_get_option("{$gateway}_sandbox", true);
+    $supports = apply_filters("wpinv_{$gateway}_supports_sandbox", false);
+    return apply_filters('wpinv_is_test_mode', $sandbox && $supports, $gateway);
 }
 
 /**
@@ -411,7 +411,7 @@ 
  * 
  * @return string
  */
-function wpinv_get_ipn_url( $gateway = false, $args = array() ) {
+function wpinv_get_ipn_url($gateway = false, $args = array()) {
     $args = wp_parse_args(
         array(
             'wpi-listener' => 'IPN',
@@ -420,37 +420,37 @@ 
         $args
     );
 
-    return apply_filters( 'wpinv_ipn_url', add_query_arg( $args,  home_url( 'index.php' ) ), $gateway, $args );
+    return apply_filters('wpinv_ipn_url', add_query_arg($args, home_url('index.php')), $gateway, $args);
 
 }
 
 /**
  * Retrieves request data with slashes removed slashes.
  */
-function wpinv_get_post_data( $method = 'request' ) {
+function wpinv_get_post_data($method = 'request') {
 
-    if ( $method == 'post' ) {
-        return wp_unslash( $_POST );
+    if ($method == 'post') {
+        return wp_unslash($_POST);
     }
 
-    if ( $method == 'get' ) {
-        return wp_unslash( $_GET );
+    if ($method == 'get') {
+        return wp_unslash($_GET);
     }
 
-    return wp_unslash( $_REQUEST );
+    return wp_unslash($_REQUEST);
   
 }
 
 /**
  * Checks if a given gateway supports subscription payments.
  */
-function wpinv_gateway_support_subscription( $gateway ) {
+function wpinv_gateway_support_subscription($gateway) {
     $supports = false;
 
-    if ( wpinv_is_gateway_active( $gateway ) ) {
-        $supports = apply_filters( 'wpinv_' . $gateway . '_support_subscription', $supports );
+    if (wpinv_is_gateway_active($gateway)) {
+        $supports = apply_filters('wpinv_' . $gateway . '_support_subscription', $supports);
 
-        $supports = apply_filters( 'getapid_gateway_supports_subscription', $supports, $gateway );
+        $supports = apply_filters('getapid_gateway_supports_subscription', $supports, $gateway);
     }
 
     return $supports;
@@ -462,14 +462,14 @@ 
  * @param array $gateways an array of gateways.
  * @param GetPaid_Payment_Form $form payment form.
  */
-function wpinv_payment_gateways_on_cart( $gateways, $form ) {
+function wpinv_payment_gateways_on_cart($gateways, $form) {
 
-    if ( $form->is_recurring() ) {
+    if ($form->is_recurring()) {
 
-        foreach ( array_keys( $gateways ) as $gateway ) {
+        foreach (array_keys($gateways) as $gateway) {
 
-            if ( ! wpinv_gateway_support_subscription( $gateway ) ) {
-                unset( $gateways[$gateway] );
+            if (!wpinv_gateway_support_subscription($gateway)) {
+                unset($gateways[$gateway]);
             }
 
         }
@@ -478,4 +478,4 @@ 
 
     return $gateways;
 }
-add_filter( 'getpaid_payment_form_gateways', 'wpinv_payment_gateways_on_cart', 10, 2 );
+add_filter('getpaid_payment_form_gateways', 'wpinv_payment_gateways_on_cart', 10, 2);