AyeCode / invoicing

includes/wpinv-general-functions.php

Spacing +159 added lines, -159 removed lines

@@ -7,195 +7,195 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_is_checkout() {
     global $wp_query;
 
-    $is_object_set    = isset( $wp_query->queried_object );
-    $is_object_id_set = isset( $wp_query->queried_object_id );
-    $is_checkout      = is_page( wpinv_get_option( 'checkout_page' ) );
+    $is_object_set    = isset($wp_query->queried_object);
+    $is_object_id_set = isset($wp_query->queried_object_id);
+    $is_checkout      = is_page(wpinv_get_option('checkout_page'));
 
-    if ( !$is_object_set ) {
-        unset( $wp_query->queried_object );
+    if (!$is_object_set) {
+        unset($wp_query->queried_object);
     }
 
-    if ( !$is_object_id_set ) {
-        unset( $wp_query->queried_object_id );
+    if (!$is_object_id_set) {
+        unset($wp_query->queried_object_id);
     }
 
-    return apply_filters( 'wpinv_is_checkout', $is_checkout );
+    return apply_filters('wpinv_is_checkout', $is_checkout);
 }
 
 function wpinv_can_checkout() {
 	$can_checkout = true; // Always true for now
 
-	return (bool) apply_filters( 'wpinv_can_checkout', $can_checkout );
+	return (bool)apply_filters('wpinv_can_checkout', $can_checkout);
 }
 
 function wpinv_get_success_page_uri() {
-	$page_id = wpinv_get_option( 'success_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('success_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_success_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_success_page_uri', get_permalink($page_id));
 }
 
 function wpinv_get_history_page_uri() {
-	$page_id = wpinv_get_option( 'invoice_history_page', 0 );
-	$page_id = absint( $page_id );
+	$page_id = wpinv_get_option('invoice_history_page', 0);
+	$page_id = absint($page_id);
 
-	return apply_filters( 'wpinv_get_history_page_uri', get_permalink( $page_id ) );
+	return apply_filters('wpinv_get_history_page_uri', get_permalink($page_id));
 }
 
 function wpinv_is_success_page() {
-	$is_success_page = wpinv_get_option( 'success_page', false );
-	$is_success_page = isset( $is_success_page ) ? is_page( $is_success_page ) : false;
+	$is_success_page = wpinv_get_option('success_page', false);
+	$is_success_page = isset($is_success_page) ? is_page($is_success_page) : false;
 
-	return apply_filters( 'wpinv_is_success_page', $is_success_page );
+	return apply_filters('wpinv_is_success_page', $is_success_page);
 }
 
 function wpinv_is_invoice_history_page() {
-	$ret = wpinv_get_option( 'invoice_history_page', false );
-	$ret = $ret ? is_page( $ret ) : false;
-	return apply_filters( 'wpinv_is_invoice_history_page', $ret );
+	$ret = wpinv_get_option('invoice_history_page', false);
+	$ret = $ret ? is_page($ret) : false;
+	return apply_filters('wpinv_is_invoice_history_page', $ret);
 }
 
-function wpinv_send_to_success_page( $args = null ) {
+function wpinv_send_to_success_page($args = null) {
 	$redirect = wpinv_get_success_page_uri();
     
-    if ( !empty( $args ) ) {
+    if (!empty($args)) {
         // Check for backward compatibility
-        if ( is_string( $args ) )
-            $args = str_replace( '?', '', $args );
+        if (is_string($args))
+            $args = str_replace('?', '', $args);
 
-        $args = wp_parse_args( $args );
+        $args = wp_parse_args($args);
 
-        $redirect = add_query_arg( $args, $redirect );
+        $redirect = add_query_arg($args, $redirect);
     }
 
-    $gateway = isset( $_REQUEST['wpi-gateway'] ) ? $_REQUEST['wpi-gateway'] : '';
+    $gateway = isset($_REQUEST['wpi-gateway']) ? $_REQUEST['wpi-gateway'] : '';
     
-    $redirect = apply_filters( 'wpinv_success_page_redirect', $redirect, $gateway, $args );
-    wp_redirect( $redirect );
+    $redirect = apply_filters('wpinv_success_page_redirect', $redirect, $gateway, $args);
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_send_to_failed_page( $args = null ) {
+function wpinv_send_to_failed_page($args = null) {
 	$redirect = wpinv_get_failed_transaction_uri();
     
-    if ( !empty( $args ) ) {
+    if (!empty($args)) {
         // Check for backward compatibility
-        if ( is_string( $args ) )
-            $args = str_replace( '?', '', $args );
+        if (is_string($args))
+            $args = str_replace('?', '', $args);
 
-        $args = wp_parse_args( $args );
+        $args = wp_parse_args($args);
 
-        $redirect = add_query_arg( $args, $redirect );
+        $redirect = add_query_arg($args, $redirect);
     }
 
-    $gateway = isset( $_REQUEST['wpi-gateway'] ) ? $_REQUEST['wpi-gateway'] : '';
+    $gateway = isset($_REQUEST['wpi-gateway']) ? $_REQUEST['wpi-gateway'] : '';
     
-    $redirect = apply_filters( 'wpinv_failed_page_redirect', $redirect, $gateway, $args );
-    wp_redirect( $redirect );
+    $redirect = apply_filters('wpinv_failed_page_redirect', $redirect, $gateway, $args);
+    wp_redirect($redirect);
     exit;
 }
 
-function wpinv_get_checkout_uri( $args = array() ) {
-	$uri = wpinv_get_option( 'checkout_page', false );
-	$uri = isset( $uri ) ? get_permalink( $uri ) : NULL;
+function wpinv_get_checkout_uri($args = array()) {
+	$uri = wpinv_get_option('checkout_page', false);
+	$uri = isset($uri) ? get_permalink($uri) : NULL;
 
-	if ( !empty( $args ) ) {
+	if (!empty($args)) {
 		// Check for backward compatibility
-		if ( is_string( $args ) )
-			$args = str_replace( '?', '', $args );
+		if (is_string($args))
+			$args = str_replace('?', '', $args);
 
-		$args = wp_parse_args( $args );
+		$args = wp_parse_args($args);
 
-		$uri = add_query_arg( $args, $uri );
+		$uri = add_query_arg($args, $uri);
 	}
 
-	$scheme = defined( 'FORCE_SSL_ADMIN' ) && FORCE_SSL_ADMIN ? 'https' : 'admin';
+	$scheme = defined('FORCE_SSL_ADMIN') && FORCE_SSL_ADMIN ? 'https' : 'admin';
 
-	$ajax_url = admin_url( 'admin-ajax.php', $scheme );
+	$ajax_url = admin_url('admin-ajax.php', $scheme);
 
-	if ( ( ! preg_match( '/^https/', $uri ) && preg_match( '/^https/', $ajax_url ) ) || wpinv_is_ssl_enforced() ) {
-		$uri = preg_replace( '/^http:/', 'https:', $uri );
+	if ((!preg_match('/^https/', $uri) && preg_match('/^https/', $ajax_url)) || wpinv_is_ssl_enforced()) {
+		$uri = preg_replace('/^http:/', 'https:', $uri);
 	}
 
-	return apply_filters( 'wpinv_get_checkout_uri', $uri );
+	return apply_filters('wpinv_get_checkout_uri', $uri);
 }
 
-function wpinv_send_back_to_checkout( $args = array() ) {
+function wpinv_send_back_to_checkout($args = array()) {
 	$redirect = wpinv_get_checkout_uri();
 
-	if ( ! empty( $args ) ) {
+	if (!empty($args)) {
 		// Check for backward compatibility
-		if ( is_string( $args ) )
-			$args = str_replace( '?', '', $args );
+		if (is_string($args))
+			$args = str_replace('?', '', $args);
 
-		$args = wp_parse_args( $args );
+		$args = wp_parse_args($args);
 
-		$redirect = add_query_arg( $args, $redirect );
+		$redirect = add_query_arg($args, $redirect);
 	}
 
-	wp_redirect( apply_filters( 'wpinv_send_back_to_checkout', $redirect, $args ) );
+	wp_redirect(apply_filters('wpinv_send_back_to_checkout', $redirect, $args));
 	exit;
 }
 
-function wpinv_get_success_page_url( $query_string = null ) {
-	$success_page = wpinv_get_option( 'success_page', 0 );
-	$success_page = get_permalink( $success_page );
+function wpinv_get_success_page_url($query_string = null) {
+	$success_page = wpinv_get_option('success_page', 0);
+	$success_page = get_permalink($success_page);
 
-	if ( $query_string )
+	if ($query_string)
 		$success_page .= $query_string;
 
-	return apply_filters( 'wpinv_success_page_url', $success_page );
+	return apply_filters('wpinv_success_page_url', $success_page);
 }
 
-function wpinv_get_failed_transaction_uri( $extras = false ) {
-	$uri = wpinv_get_option( 'failure_page', '' );
-	$uri = ! empty( $uri ) ? trailingslashit( get_permalink( $uri ) ) : home_url();
+function wpinv_get_failed_transaction_uri($extras = false) {
+	$uri = wpinv_get_option('failure_page', '');
+	$uri = !empty($uri) ? trailingslashit(get_permalink($uri)) : home_url();
 
-	if ( $extras )
+	if ($extras)
 		$uri .= $extras;
 
-	return apply_filters( 'wpinv_get_failed_transaction_uri', $uri );
+	return apply_filters('wpinv_get_failed_transaction_uri', $uri);
 }
 
 function wpinv_is_failed_transaction_page() {
-	$ret = wpinv_get_option( 'failure_page', false );
-	$ret = isset( $ret ) ? is_page( $ret ) : false;
+	$ret = wpinv_get_option('failure_page', false);
+	$ret = isset($ret) ? is_page($ret) : false;
 
-	return apply_filters( 'wpinv_is_failure_page', $ret );
+	return apply_filters('wpinv_is_failure_page', $ret);
 }
 
-function wpinv_transaction_query( $type = 'start' ) {
+function wpinv_transaction_query($type = 'start') {
     global $wpdb;
 
     $wpdb->hide_errors();
 
-    if ( ! defined( 'WPINV_USE_TRANSACTIONS' ) ) {
-        define( 'WPINV_USE_TRANSACTIONS', true );
+    if (!defined('WPINV_USE_TRANSACTIONS')) {
+        define('WPINV_USE_TRANSACTIONS', true);
     }
 
-    if ( WPINV_USE_TRANSACTIONS ) {
-        switch ( $type ) {
+    if (WPINV_USE_TRANSACTIONS) {
+        switch ($type) {
             case 'commit' :
-                $wpdb->query( 'COMMIT' );
+                $wpdb->query('COMMIT');
                 break;
             case 'rollback' :
-                $wpdb->query( 'ROLLBACK' );
+                $wpdb->query('ROLLBACK');
                 break;
             default :
-                $wpdb->query( 'START TRANSACTION' );
+                $wpdb->query('START TRANSACTION');
             break;
         }
     }
 }
 
-function wpinv_create_invoice( $args = array(), $data = array(), $wp_error = false ) {
+function wpinv_create_invoice($args = array(), $data = array(), $wp_error = false) {
     $default_args = array(
         'status'        => '',
         'user_id'       => null,
@@ -205,63 +205,63 @@ 
         'parent'        => 0
     );
 
-    $args           = wp_parse_args( $args, $default_args );
+    $args           = wp_parse_args($args, $default_args);
     $invoice_data   = array();
 
-    if ( $args['invoice_id'] > 0 ) {
-        $updating           = true;
+    if ($args['invoice_id'] > 0) {
+        $updating = true;
         $invoice_data['post_type']  = 'wpi_invoice';
         $invoice_data['ID']         = $args['invoice_id'];
     } else {
         $updating                       = false;
         $invoice_data['post_type']      = 'wpi_invoice';
-        $invoice_data['post_status']    = apply_filters( 'wpinv_default_invoice_status', 'wpi-pending' );
+        $invoice_data['post_status']    = apply_filters('wpinv_default_invoice_status', 'wpi-pending');
         $invoice_data['ping_status']    = 'closed';
-        $invoice_data['post_author']    = !empty( $args['user_id'] ) ? $args['user_id'] : get_current_user_id();
-        $invoice_data['post_title']     = wpinv_format_invoice_number( '0' );
-        $invoice_data['post_parent']    = absint( $args['parent'] );
-        if ( !empty( $args['created_date'] ) ) {
+        $invoice_data['post_author']    = !empty($args['user_id']) ? $args['user_id'] : get_current_user_id();
+        $invoice_data['post_title']     = wpinv_format_invoice_number('0');
+        $invoice_data['post_parent']    = absint($args['parent']);
+        if (!empty($args['created_date'])) {
             $invoice_data['post_date']      = $args['created_date'];
-            $invoice_data['post_date_gmt']  = get_gmt_from_date( $args['created_date'] );
+            $invoice_data['post_date_gmt']  = get_gmt_from_date($args['created_date']);
         }
     }
 
-    if ( $args['status'] ) {
-        if ( ! in_array( $args['status'], array_keys( wpinv_get_invoice_statuses() ) ) ) {
-            return new WP_Error( 'wpinv_invalid_invoice_status', wp_sprintf( __( 'Invalid invoice status: %s', 'invoicing' ), $args['status'] ) );
+    if ($args['status']) {
+        if (!in_array($args['status'], array_keys(wpinv_get_invoice_statuses()))) {
+            return new WP_Error('wpinv_invalid_invoice_status', wp_sprintf(__('Invalid invoice status: %s', 'invoicing'), $args['status']));
         }
-        $invoice_data['post_status']    = $args['status'];
+        $invoice_data['post_status'] = $args['status'];
     }
 
-    if ( ! is_null( $args['user_note'] ) ) {
-        $invoice_data['post_excerpt']   = $args['user_note'];
+    if (!is_null($args['user_note'])) {
+        $invoice_data['post_excerpt'] = $args['user_note'];
     }
 
-    if ( $updating ) {
-        $invoice_id = wp_update_post( $invoice_data, true );
+    if ($updating) {
+        $invoice_id = wp_update_post($invoice_data, true);
     } else {
-        $invoice_id = wp_insert_post( apply_filters( 'wpinv_new_invoice_data', $invoice_data ), true );
+        $invoice_id = wp_insert_post(apply_filters('wpinv_new_invoice_data', $invoice_data), true);
     }
 
-    if ( is_wp_error( $invoice_id ) ) {
+    if (is_wp_error($invoice_id)) {
         return $wp_error ? $invoice_id : 0;
     }
     
-    $invoice = wpinv_get_invoice( $invoice_id );
-
-    if ( !$updating ) {
-        update_post_meta( $invoice_id, '_wpinv_key', apply_filters( 'wpinv_generate_invoice_key', uniqid( 'wpinv_' ) ) );
-        update_post_meta( $invoice_id, '_wpinv_currency', wpinv_get_currency() );
-        update_post_meta( $invoice_id, '_wpinv_include_tax', get_option( 'wpinv_prices_include_tax' ) );
-        update_post_meta( $invoice_id, '_wpinv_user_ip', wpinv_get_ip() );
-        update_post_meta( $invoice_id, '_wpinv_user_agent', wpinv_get_user_agent() );
-        update_post_meta( $invoice_id, '_wpinv_created_via', sanitize_text_field( $args['created_via'] ) );
+    $invoice = wpinv_get_invoice($invoice_id);
+
+    if (!$updating) {
+        update_post_meta($invoice_id, '_wpinv_key', apply_filters('wpinv_generate_invoice_key', uniqid('wpinv_')));
+        update_post_meta($invoice_id, '_wpinv_currency', wpinv_get_currency());
+        update_post_meta($invoice_id, '_wpinv_include_tax', get_option('wpinv_prices_include_tax'));
+        update_post_meta($invoice_id, '_wpinv_user_ip', wpinv_get_ip());
+        update_post_meta($invoice_id, '_wpinv_user_agent', wpinv_get_user_agent());
+        update_post_meta($invoice_id, '_wpinv_created_via', sanitize_text_field($args['created_via']));
         
         // Add invoice note
-        $invoice->add_note( wp_sprintf( __( 'Invoice is created with status %s.', 'invoicing' ), wpinv_status_nicename( $invoice->status ) ) );
+        $invoice->add_note(wp_sprintf(__('Invoice is created with status %s.', 'invoicing'), wpinv_status_nicename($invoice->status)));
     }
 
-    update_post_meta( $invoice_id, '_wpinv_version', WPINV_VERSION );
+    update_post_meta($invoice_id, '_wpinv_version', WPINV_VERSION);
 
     return $invoice;
 }
@@ -269,144 +269,144 @@ 
 function wpinv_get_prefix() {
     $invoice_prefix = 'INV-';
     
-    return apply_filters( 'wpinv_get_prefix', $invoice_prefix );
+    return apply_filters('wpinv_get_prefix', $invoice_prefix);
 }
 
 function wpinv_get_business_logo() {
-    $business_logo = wpinv_get_option( 'logo' );
-    return apply_filters( 'wpinv_get_business_logo', $business_logo );
+    $business_logo = wpinv_get_option('logo');
+    return apply_filters('wpinv_get_business_logo', $business_logo);
 }
 
 function wpinv_get_business_name() {
     $business_name = wpinv_get_option('store_name');
-    return apply_filters( 'wpinv_get_business_name', $business_name );
+    return apply_filters('wpinv_get_business_name', $business_name);
 }
 
 function wpinv_get_blogname() {
-    return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
+    return wp_specialchars_decode(get_option('blogname'), ENT_QUOTES);
 }
 
 function wpinv_get_admin_email() {
-    $admin_email = get_option( 'admin_email' );
-    return apply_filters( 'wpinv_admin_email', $admin_email );
+    $admin_email = get_option('admin_email');
+    return apply_filters('wpinv_admin_email', $admin_email);
 }
 
 function wpinv_get_business_website() {
-    $business_website = home_url( '/' );
-    return apply_filters( 'wpinv_get_business_website', $business_website );
+    $business_website = home_url('/');
+    return apply_filters('wpinv_get_business_website', $business_website);
 }
 
-function wpinv_get_terms_text( $invoice_id = 0 ) {
+function wpinv_get_terms_text($invoice_id = 0) {
     $terms_text = '';
-    return apply_filters( 'wpinv_get_terms_text', $terms_text, $invoice_id );
+    return apply_filters('wpinv_get_terms_text', $terms_text, $invoice_id);
 }
 
 function wpinv_get_business_footer() {
-    $site_link = '<a target="_blank" href="' . esc_url( wpinv_get_business_website() ) . '">' . esc_html( wpinv_get_business_name() ) . '</a>';
-    $business_footer = wp_sprintf( __( 'Thanks for using %s', 'invoicing' ), $site_link );
-    return apply_filters( 'wpinv_get_business_footer', $business_footer );
+    $site_link = '<a target="_blank" href="' . esc_url(wpinv_get_business_website()) . '">' . esc_html(wpinv_get_business_name()) . '</a>';
+    $business_footer = wp_sprintf(__('Thanks for using %s', 'invoicing'), $site_link);
+    return apply_filters('wpinv_get_business_footer', $business_footer);
 }
 
 function wpinv_checkout_required_fields() {
     $required_fields = array();
     
     // Let payment gateways and other extensions determine if address fields should be required
-    $require_billing_details = apply_filters( 'wpinv_checkout_required_billing_details', wpinv_use_taxes() );
+    $require_billing_details = apply_filters('wpinv_checkout_required_billing_details', wpinv_use_taxes());
     
-    if ( $require_billing_details ) {
+    if ($require_billing_details) {
         ///$required_fields['email'] = array(
                 ///'error_id' => 'invalid_email',
                 ///'error_message' => __( 'Please enter a valid email address', 'invoicing' )
             ///);
         $required_fields['first_name'] = array(
                 'error_id' => 'invalid_first_name',
-                'error_message' => __( 'Please enter your first name', 'invoicing' )
+                'error_message' => __('Please enter your first name', 'invoicing')
             );
         $required_fields['address'] = array(
                 'error_id' => 'invalid_address',
-                'error_message' => __( 'Please enter your address', 'invoicing' )
+                'error_message' => __('Please enter your address', 'invoicing')
             );
         $required_fields['city'] = array(
                 'error_id' => 'invalid_city',
-                'error_message' => __( 'Please enter your billing city', 'invoicing' )
+                'error_message' => __('Please enter your billing city', 'invoicing')
             );
         $required_fields['state'] = array(
                 'error_id' => 'invalid_state',
-                'error_message' => __( 'Please enter billing state / province', 'invoicing' )
+                'error_message' => __('Please enter billing state / province', 'invoicing')
             );
         $required_fields['country'] = array(
                 'error_id' => 'invalid_country',
-                'error_message' => __( 'Please select your billing country', 'invoicing' )
+                'error_message' => __('Please select your billing country', 'invoicing')
             );
     }
 
-    return apply_filters( 'wpinv_checkout_required_fields', $required_fields );
+    return apply_filters('wpinv_checkout_required_fields', $required_fields);
 }
 
 function wpinv_is_ssl_enforced() {
-    $ssl_enforced = wpinv_get_option( 'enforce_ssl', false );
-    return (bool) apply_filters( 'wpinv_is_ssl_enforced', $ssl_enforced );
+    $ssl_enforced = wpinv_get_option('enforce_ssl', false);
+    return (bool)apply_filters('wpinv_is_ssl_enforced', $ssl_enforced);
 }
 
-function wpinv_user_can_view_invoice( $post ) {
+function wpinv_user_can_view_invoice($post) {
     $allow = false;
 
-    $post = get_post( $post );
+    $post = get_post($post);
 
-    if ( empty( $post->ID ) ) {
+    if (empty($post->ID)) {
         return $allow;
     }
 
-    $invoice = wpinv_get_invoice( $post->ID );
-    if ( empty( $invoice->ID ) ) {
+    $invoice = wpinv_get_invoice($post->ID);
+    if (empty($invoice->ID)) {
         return $allow;
     }
 
     // Don't allow trash, draft status
-    if ( $invoice->has_status( array_keys( wpinv_get_invoice_statuses() ) ) ) {
-        if ( current_user_can( 'manage_options' ) ) { // Admin user
+    if ($invoice->has_status(array_keys(wpinv_get_invoice_statuses()))) {
+        if (current_user_can('manage_options')) { // Admin user
             $allow = true;
         } else {
-            if ( is_user_logged_in() ) {
-                if ( (int)$invoice->get_user_id() === (int)get_current_user_id() ) {
+            if (is_user_logged_in()) {
+                if ((int)$invoice->get_user_id() === (int)get_current_user_id()) {
                     $allow = true;
-                } else if ( !wpinv_require_login_to_checkout() && isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
+                } else if (!wpinv_require_login_to_checkout() && isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
                     $allow = true;
                 }
             } else {
-                if ( !wpinv_require_login_to_checkout() && isset( $_GET['invoice_key'] ) && $_GET['invoice_key'] === $invoice->get_key() ) {
+                if (!wpinv_require_login_to_checkout() && isset($_GET['invoice_key']) && $_GET['invoice_key'] === $invoice->get_key()) {
                     $allow = true;
                 }
             }
         }
     }
     
-    return apply_filters( 'wpinv_can_print_invoice', $allow, $post, $invoice );
+    return apply_filters('wpinv_can_print_invoice', $allow, $post, $invoice);
 }
 
 function wpinv_schedule_events() {
     // hourly, daily and twicedaily
-    if ( !wp_next_scheduled( 'wpinv_register_schedule_event_twicedaily' ) ) {
-        wp_schedule_event( current_time( 'timestamp' ), 'twicedaily', 'wpinv_register_schedule_event_twicedaily' );
+    if (!wp_next_scheduled('wpinv_register_schedule_event_twicedaily')) {
+        wp_schedule_event(current_time('timestamp'), 'twicedaily', 'wpinv_register_schedule_event_twicedaily');
     }
 }
-add_action( 'wp', 'wpinv_schedule_events' );
+add_action('wp', 'wpinv_schedule_events');
 
 function wpinv_schedule_event_twicedaily() {
     wpinv_email_payment_reminders();
 }
-add_action( 'wpinv_register_schedule_event_twicedaily', 'wpinv_schedule_event_twicedaily' );
+add_action('wpinv_register_schedule_event_twicedaily', 'wpinv_schedule_event_twicedaily');
 
 function wpinv_require_login_to_checkout() {
-    $return = wpinv_get_option( 'login_to_checkout', false );
-    return (bool) apply_filters( 'wpinv_require_login_to_checkout', $return );
+    $return = wpinv_get_option('login_to_checkout', false);
+    return (bool)apply_filters('wpinv_require_login_to_checkout', $return);
 }
 
-function wpinv_sequential_number_active( $type = '' ) {
-    $check = apply_filters( 'wpinv_pre_check_sequential_number_active', null, $type );
-    if ( null !== $check ) {
+function wpinv_sequential_number_active($type = '') {
+    $check = apply_filters('wpinv_pre_check_sequential_number_active', null, $type);
+    if (null !== $check) {
         return $check;
     }
     
-    return wpinv_get_option( 'sequential_invoice_number' );
+    return wpinv_get_option('sequential_invoice_number');
 }
\ No newline at end of file

includes/wpinv-helper-functions.php

Spacing +364 added lines, -364 removed lines

@@ -7,89 +7,89 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_item_quantities_enabled() {
-    $ret = wpinv_get_option( 'item_quantities', true );
+    $ret = wpinv_get_option('item_quantities', true);
     
-    return (bool) apply_filters( 'wpinv_item_quantities_enabled', $ret );
+    return (bool)apply_filters('wpinv_item_quantities_enabled', $ret);
 }
 
 function wpinv_get_ip() {
     $ip = '127.0.0.1';
 
-    if ( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_CLIENT_IP'] );
-    } elseif ( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_X_FORWARDED_FOR'] );
-    } elseif( !empty( $_SERVER['REMOTE_ADDR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['REMOTE_ADDR'] );
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']);
+    } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
+        $ip = sanitize_text_field($_SERVER['REMOTE_ADDR']);
     }
     
-    return apply_filters( 'wpinv_get_ip', $ip );
+    return apply_filters('wpinv_get_ip', $ip);
 }
 
 function wpinv_get_user_agent() {
-    if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
-        $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
+    if (!empty($_SERVER['HTTP_USER_AGENT'])) {
+        $user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
     } else {
         $user_agent = '';
     }
     
-    return apply_filters( 'wpinv_get_user_agent', $user_agent );
+    return apply_filters('wpinv_get_user_agent', $user_agent);
 }
 
-function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
+function wpinv_sanitize_amount($amount, $decimals = NULL) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
     // Sanitize the amount
-    if ( $decimal_sep == ',' && false !== ( $found = strpos( $amount, $decimal_sep ) ) ) {
-        if ( ( $thousands_sep == '.' || $thousands_sep == ' ' ) && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-            $amount = str_replace( $thousands_sep, '', $amount );
-        } elseif( empty( $thousands_sep ) && false !== ( $found = strpos( $amount, '.' ) ) ) {
-            $amount = str_replace( '.', '', $amount );
+    if ($decimal_sep == ',' && false !== ($found = strpos($amount, $decimal_sep))) {
+        if (($thousands_sep == '.' || $thousands_sep == ' ') && false !== ($found = strpos($amount, $thousands_sep))) {
+            $amount = str_replace($thousands_sep, '', $amount);
+        } elseif (empty($thousands_sep) && false !== ($found = strpos($amount, '.'))) {
+            $amount = str_replace('.', '', $amount);
         }
 
-        $amount = str_replace( $decimal_sep, '.', $amount );
-    } elseif( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( $thousands_sep, '', $amount );
+        $amount = str_replace($decimal_sep, '.', $amount);
+    } elseif ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace($thousands_sep, '', $amount);
     }
 
-    if( $amount < 0 ) {
+    if ($amount < 0) {
         $is_negative = true;
     }
 
-    $amount   = preg_replace( '/[^0-9\.]/', '', $amount );
+    $amount   = preg_replace('/[^0-9\.]/', '', $amount);
 
-    $decimals = apply_filters( 'wpinv_sanitize_amount_decimals', absint( $decimals ), $amount );
-    $amount   = number_format( (double) $amount, absint( $decimals ), '.', '' );
+    $decimals = apply_filters('wpinv_sanitize_amount_decimals', absint($decimals), $amount);
+    $amount   = number_format((double)$amount, absint($decimals), '.', '');
 
-    if( $is_negative ) {
+    if ($is_negative) {
         $amount *= -1;
     }
 
-    return apply_filters( 'wpinv_sanitize_amount', $amount, $decimals );
+    return apply_filters('wpinv_sanitize_amount', $amount, $decimals);
 }
-add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_round_amount( $amount, $decimals = NULL ) {
-    if ( $decimals === NULL ) {
+function wpinv_round_amount($amount, $decimals = NULL) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
     
-    $amount = round( (double)$amount, wpinv_currency_decimal_filter( absint( $decimals ) ) );
+    $amount = round((double)$amount, wpinv_currency_decimal_filter(absint($decimals)));
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
-function wpinv_get_invoice_statuses( $trashed = false ) {
+function wpinv_get_invoice_statuses($trashed = false) {
     global $post;
     $invoice_statuses = array();
     $invoice_statuses = array(
@@ -103,32 +103,32 @@ 
         'wpi-renewal' => __('Renewal Payment', 'invoicing')
     );
     
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_statuses', $invoice_statuses );
+    return apply_filters('wpinv_statuses', $invoice_statuses);
 }
 
-function wpinv_status_nicename( $status ) {
+function wpinv_status_nicename($status) {
     $statuses = wpinv_get_invoice_statuses();
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : __( $status, 'invoicing' );
+    $status   = isset($statuses[$status]) ? $statuses[$status] : __($status, 'invoicing');
 
     return $status;
 }
 
 function wpinv_get_currency() {
-    $currency = wpinv_get_option( 'currency', 'USD' );
+    $currency = wpinv_get_option('currency', 'USD');
     
-    return apply_filters( 'wpinv_currency', $currency );
+    return apply_filters('wpinv_currency', $currency);
 }
 
-function wpinv_currency_symbol( $currency = '' ) {
-    if ( empty( $currency ) ) {
+function wpinv_currency_symbol($currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
     
-    $symbols = apply_filters( 'wpinv_currency_symbols', array(
+    $symbols = apply_filters('wpinv_currency_symbols', array(
         'AED' => '&#x62f;.&#x625;',
         'AFN' => '&#x60b;',
         'ALL' => 'L',
@@ -291,208 +291,208 @@ 
         'YER' => '&#xfdfc;',
         'ZAR' => '&#82;',
         'ZMW' => 'ZK',
-    ) );
+    ));
 
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : $currency;
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : $currency;
 
-    return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
+    return apply_filters('wpinv_currency_symbol', $currency_symbol, $currency);
 }
 
 function wpinv_currency_position() {
-    $position = wpinv_get_option( 'currency_position', 'left' );
+    $position = wpinv_get_option('currency_position', 'left');
     
-    return apply_filters( 'wpinv_currency_position', $position );
+    return apply_filters('wpinv_currency_position', $position);
 }
 
 function wpinv_thousands_separator() {
-    $thousand_sep = wpinv_get_option( 'thousands_separator', ',' );
+    $thousand_sep = wpinv_get_option('thousands_separator', ',');
     
-    return apply_filters( 'wpinv_thousands_separator', $thousand_sep );
+    return apply_filters('wpinv_thousands_separator', $thousand_sep);
 }
 
 function wpinv_decimal_separator() {
-    $decimal_sep = wpinv_get_option( 'decimal_separator', '.' );
+    $decimal_sep = wpinv_get_option('decimal_separator', '.');
     
-    return apply_filters( 'wpinv_decimal_separator', $decimal_sep );
+    return apply_filters('wpinv_decimal_separator', $decimal_sep);
 }
 
 function wpinv_decimals() {
-    $decimals = apply_filters( 'wpinv_decimals', wpinv_get_option( 'decimals', 2 ) );
+    $decimals = apply_filters('wpinv_decimals', wpinv_get_option('decimals', 2));
     
-    return absint( $decimals );
+    return absint($decimals);
 }
 
 function wpinv_get_currencies() {
     $currencies = array(
-        'USD' => __( 'US Dollar', 'invoicing' ),
-        'EUR' => __( 'Euro', 'invoicing' ),
-        'GBP' => __( 'Pound Sterling', 'invoicing' ),
-        'AFN' => __( 'Afghan Afghani', 'invoicing' ),
-        'ALL' => __( 'Albanian Lek', 'invoicing' ),
-        'AMD' => __( 'Armenian Dram', 'invoicing' ),
-        'ANG' => __( 'Netherlands Antillean Guilder', 'invoicing' ),
-        'AOA' => __( 'Angolan Kwanza', 'invoicing' ),
-        'ARS' => __( 'Argentine Peso', 'invoicing' ),
-        'AUD' => __( 'Australian Dollar', 'invoicing' ),
-        'AWG' => __( 'Aruban Florin', 'invoicing' ),
-        'AZN' => __( 'Azerbaijani Manat', 'invoicing' ),
-        'BAM' => __( 'Bosnia and Herzegovina Convertible Marka', 'invoicing' ),
-        'BBD' => __( 'Barbadian Dollar', 'invoicing' ),
-        'BDT' => __( 'Bangladeshi Taka', 'invoicing' ),
-        'BGN' => __( 'Bulgarian Lev', 'invoicing' ),
-        'BHD' => __( 'Bahraini Dinar', 'invoicing' ),
-        'BIF' => __( 'Burundian Franc', 'invoicing' ),
-        'BMD' => __( 'Bermudian Dollar', 'invoicing' ),
-        'BND' => __( 'Brunei Dollar', 'invoicing' ),
-        'BOB' => __( 'Bolivian Boliviano', 'invoicing' ),
-        'BRL' => __( 'Brazilian Real', 'invoicing' ),
-        'BSD' => __( 'Bahamian Dollar', 'invoicing' ),
-        'BTC' => __( 'Bitcoin', 'invoicing' ),
-        'BTN' => __( 'Bhutanese Ngultrum', 'invoicing' ),
-        'BWP' => __( 'Botswana Pula', 'invoicing' ),
-        'BYR' => __( 'Belarusian Ruble', 'invoicing' ),
-        'BZD' => __( 'Belize Dollar', 'invoicing' ),
-        'CAD' => __( 'Canadian Dollar', 'invoicing' ),
-        'CDF' => __( 'Congolese Franc', 'invoicing' ),
-        'CHF' => __( 'Swiss Franc', 'invoicing' ),
-        'CLP' => __( 'Chilean Peso', 'invoicing' ),
-        'CNY' => __( 'Chinese Yuan', 'invoicing' ),
-        'COP' => __( 'Colombian Peso', 'invoicing' ),
-        'CRC' => __( 'Costa Rican Colon', 'invoicing' ),
-        'CUC' => __( 'Cuban Convertible Peso', 'invoicing' ),
-        'CUP' => __( 'Cuban Peso', 'invoicing' ),
-        'CVE' => __( 'Cape Verdean escudo', 'invoicing' ),
-        'CZK' => __( 'Czech Koruna', 'invoicing' ),
-        'DJF' => __( 'Djiboutian Franc', 'invoicing' ),
-        'DKK' => __( 'Danish Krone', 'invoicing' ),
-        'DOP' => __( 'Dominican Peso', 'invoicing' ),
-        'DZD' => __( 'Algerian Dinar', 'invoicing' ),
-        'EGP' => __( 'Egyptian Pound', 'invoicing' ),
-        'ERN' => __( 'Eritrean Nakfa', 'invoicing' ),
-        'ETB' => __( 'Ethiopian irr', 'invoicing' ),
-        'FJD' => __( 'Fijian Dollar', 'invoicing' ),
-        'FKP' => __( 'Falkland Islands Pound', 'invoicing' ),
-        'GEL' => __( 'Georgian lari', 'invoicing' ),
-        'GGP' => __( 'Guernsey Pound', 'invoicing' ),
-        'GHS' => __( 'Ghana cedi', 'invoicing' ),
-        'GIP' => __( 'Gibraltar Pound', 'invoicing' ),
-        'GMD' => __( 'Gambian Dalasi', 'invoicing' ),
-        'GNF' => __( 'Guinean Franc', 'invoicing' ),
-        'GTQ' => __( 'Guatemalan Quetzal', 'invoicing' ),
-        'GYD' => __( 'Guyanese Dollar', 'invoicing' ),
-        'HKD' => __( 'Hong Kong Dollar', 'invoicing' ),
-        'HNL' => __( 'Honduran Lempira', 'invoicing' ),
-        'HRK' => __( 'Croatian Kuna', 'invoicing' ),
-        'HTG' => __( 'Haitian Gourde', 'invoicing' ),
-        'HUF' => __( 'Hungarian Forint', 'invoicing' ),
-        'IDR' => __( 'Indonesian Rupiah', 'invoicing' ),
-        'ILS' => __( 'Israeli New Shekel', 'invoicing' ),
-        'IMP' => __( 'Manx Pound', 'invoicing' ),
-        'INR' => __( 'Indian Rupee', 'invoicing' ),
-        'IQD' => __( 'Iraqi Dinar', 'invoicing' ),
-        'IRR' => __( 'Iranian Rial', 'invoicing' ),
-        'IRT' => __( 'Iranian Toman', 'invoicing' ),
-        'ISK' => __( 'Icelandic Krona', 'invoicing' ),
-        'JEP' => __( 'Jersey Pound', 'invoicing' ),
-        'JMD' => __( 'Jamaican Dollar', 'invoicing' ),
-        'JOD' => __( 'Jordanian Dinar', 'invoicing' ),
-        'JPY' => __( 'Japanese Yen', 'invoicing' ),
-        'KES' => __( 'Kenyan Shilling', 'invoicing' ),
-        'KGS' => __( 'Kyrgyzstani Som', 'invoicing' ),
-        'KHR' => __( 'Cambodian Riel', 'invoicing' ),
-        'KMF' => __( 'Comorian Franc', 'invoicing' ),
-        'KPW' => __( 'North Korean Won', 'invoicing' ),
-        'KRW' => __( 'South Korean Won', 'invoicing' ),
-        'KWD' => __( 'Kuwaiti Dinar', 'invoicing' ),
-        'KYD' => __( 'Cayman Islands Dollar', 'invoicing' ),
-        'KZT' => __( 'Kazakhstani Tenge', 'invoicing' ),
-        'LAK' => __( 'Lao Kip', 'invoicing' ),
-        'LBP' => __( 'Lebanese Pound', 'invoicing' ),
-        'LKR' => __( 'Sri Lankan Rupee', 'invoicing' ),
-        'LRD' => __( 'Liberian Dollar', 'invoicing' ),
-        'LSL' => __( 'Lesotho Loti', 'invoicing' ),
-        'LYD' => __( 'Libyan Dinar', 'invoicing' ),
-        'MAD' => __( 'Moroccan Dirham', 'invoicing' ),
-        'MDL' => __( 'Moldovan Leu', 'invoicing' ),
-        'MGA' => __( 'Malagasy Ariary', 'invoicing' ),
-        'MKD' => __( 'Macedonian Denar', 'invoicing' ),
-        'MMK' => __( 'Burmese Kyat', 'invoicing' ),
-        'MNT' => __( 'Mongolian Tughrik', 'invoicing' ),
-        'MOP' => __( 'Macanese Pataca', 'invoicing' ),
-        'MRO' => __( 'Mauritanian Ouguiya', 'invoicing' ),
-        'MUR' => __( 'Mauritian Rupee', 'invoicing' ),
-        'MVR' => __( 'Maldivian Rufiyaa', 'invoicing' ),
-        'MWK' => __( 'Malawian Kwacha', 'invoicing' ),
-        'MXN' => __( 'Mexican Peso', 'invoicing' ),
-        'MYR' => __( 'Malaysian Ringgit', 'invoicing' ),
-        'MZN' => __( 'Mozambican Metical', 'invoicing' ),
-        'NAD' => __( 'Namibian Dollar', 'invoicing' ),
-        'NGN' => __( 'Nigerian Naira', 'invoicing' ),
-        'NIO' => __( 'Nicaraguan Cordoba', 'invoicing' ),
-        'NOK' => __( 'Norwegian Krone', 'invoicing' ),
-        'NPR' => __( 'Nepalese Rupee', 'invoicing' ),
-        'NZD' => __( 'New Zealand Dollar', 'invoicing' ),
-        'OMR' => __( 'Omani Rial', 'invoicing' ),
-        'PAB' => __( 'Panamanian Balboa', 'invoicing' ),
-        'PEN' => __( 'Peruvian Nuevo Sol', 'invoicing' ),
-        'PGK' => __( 'Papua New Guinean Kina', 'invoicing' ),
-        'PHP' => __( 'Philippine Peso', 'invoicing' ),
-        'PKR' => __( 'Pakistani Rupee', 'invoicing' ),
-        'PLN' => __( 'Polish Zloty', 'invoicing' ),
-        'PRB' => __( 'Transnistrian Ruble', 'invoicing' ),
-        'PYG' => __( 'Paraguayan Guarani', 'invoicing' ),
-        'QAR' => __( 'Qatari Riyal', 'invoicing' ),
-        'RON' => __( 'Romanian Leu', 'invoicing' ),
-        'RSD' => __( 'Serbian Dinar', 'invoicing' ),
-        'RUB' => __( 'Russian Ruble', 'invoicing' ),
-        'RWF' => __( 'Rwandan Franc', 'invoicing' ),
-        'SAR' => __( 'Saudi Riyal', 'invoicing' ),
-        'SBD' => __( 'Solomon Islands Dollar', 'invoicing' ),
-        'SCR' => __( 'Seychellois Rupee', 'invoicing' ),
-        'SDG' => __( 'Sudanese Pound', 'invoicing' ),
-        'SEK' => __( 'Swedish Krona', 'invoicing' ),
-        'SGD' => __( 'Singapore Dollar', 'invoicing' ),
-        'SHP' => __( 'Saint Helena Pound', 'invoicing' ),
-        'SLL' => __( 'Sierra Leonean Leone', 'invoicing' ),
-        'SOS' => __( 'Somali Shilling', 'invoicing' ),
-        'SRD' => __( 'Surinamese Dollar', 'invoicing' ),
-        'SSP' => __( 'South Sudanese Pound', 'invoicing' ),
-        'STD' => __( 'Sao Tomean Dobra', 'invoicing' ),
-        'SYP' => __( 'Syrian Pound', 'invoicing' ),
-        'SZL' => __( 'Swazi Lilangeni', 'invoicing' ),
-        'THB' => __( 'Thai Baht', 'invoicing' ),
-        'TJS' => __( 'Tajikistani Somoni', 'invoicing' ),
-        'TMT' => __( 'Turkmenistan Manat', 'invoicing' ),
-        'TND' => __( 'Tunisian Dinar', 'invoicing' ),
-        'TOP' => __( 'Tongan Pa&#x2bb;anga', 'invoicing' ),
-        'TRY' => __( 'Turkish Lira', 'invoicing' ),
-        'TTD' => __( 'Trinidad and Tobago Dollar', 'invoicing' ),
-        'TWD' => __( 'New Taiwan Dollar', 'invoicing' ),
-        'TZS' => __( 'Tanzanian Shilling', 'invoicing' ),
-        'UAH' => __( 'Ukrainian Hryvnia', 'invoicing' ),
-        'UGX' => __( 'Ugandan Shilling', 'invoicing' ),
-        'UYU' => __( 'Uruguayan Peso', 'invoicing' ),
-        'UZS' => __( 'Uzbekistani Som', 'invoicing' ),
-        'VEF' => __( 'Venezuelan Bol&iacute;var', 'invoicing' ),
-        'VND' => __( 'Vietnamese Dong', 'invoicing' ),
-        'VUV' => __( 'Vanuatu Vatu', 'invoicing' ),
-        'WST' => __( 'Samoan Tala', 'invoicing' ),
-        'XAF' => __( 'Central African CFA Franc', 'invoicing' ),
-        'XCD' => __( 'East Caribbean Dollar', 'invoicing' ),
-        'XOF' => __( 'West African CFA Franc', 'invoicing' ),
-        'XPF' => __( 'CFP Franc', 'invoicing' ),
-        'YER' => __( 'Yemeni Rial', 'invoicing' ),
-        'ZAR' => __( 'South African Rand', 'invoicing' ),
-        'ZMW' => __( 'Zambian Kwacha', 'invoicing' ),
+        'USD' => __('US Dollar', 'invoicing'),
+        'EUR' => __('Euro', 'invoicing'),
+        'GBP' => __('Pound Sterling', 'invoicing'),
+        'AFN' => __('Afghan Afghani', 'invoicing'),
+        'ALL' => __('Albanian Lek', 'invoicing'),
+        'AMD' => __('Armenian Dram', 'invoicing'),
+        'ANG' => __('Netherlands Antillean Guilder', 'invoicing'),
+        'AOA' => __('Angolan Kwanza', 'invoicing'),
+        'ARS' => __('Argentine Peso', 'invoicing'),
+        'AUD' => __('Australian Dollar', 'invoicing'),
+        'AWG' => __('Aruban Florin', 'invoicing'),
+        'AZN' => __('Azerbaijani Manat', 'invoicing'),
+        'BAM' => __('Bosnia and Herzegovina Convertible Marka', 'invoicing'),
+        'BBD' => __('Barbadian Dollar', 'invoicing'),
+        'BDT' => __('Bangladeshi Taka', 'invoicing'),
+        'BGN' => __('Bulgarian Lev', 'invoicing'),
+        'BHD' => __('Bahraini Dinar', 'invoicing'),
+        'BIF' => __('Burundian Franc', 'invoicing'),
+        'BMD' => __('Bermudian Dollar', 'invoicing'),
+        'BND' => __('Brunei Dollar', 'invoicing'),
+        'BOB' => __('Bolivian Boliviano', 'invoicing'),
+        'BRL' => __('Brazilian Real', 'invoicing'),
+        'BSD' => __('Bahamian Dollar', 'invoicing'),
+        'BTC' => __('Bitcoin', 'invoicing'),
+        'BTN' => __('Bhutanese Ngultrum', 'invoicing'),
+        'BWP' => __('Botswana Pula', 'invoicing'),
+        'BYR' => __('Belarusian Ruble', 'invoicing'),
+        'BZD' => __('Belize Dollar', 'invoicing'),
+        'CAD' => __('Canadian Dollar', 'invoicing'),
+        'CDF' => __('Congolese Franc', 'invoicing'),
+        'CHF' => __('Swiss Franc', 'invoicing'),
+        'CLP' => __('Chilean Peso', 'invoicing'),
+        'CNY' => __('Chinese Yuan', 'invoicing'),
+        'COP' => __('Colombian Peso', 'invoicing'),
+        'CRC' => __('Costa Rican Colon', 'invoicing'),
+        'CUC' => __('Cuban Convertible Peso', 'invoicing'),
+        'CUP' => __('Cuban Peso', 'invoicing'),
+        'CVE' => __('Cape Verdean escudo', 'invoicing'),
+        'CZK' => __('Czech Koruna', 'invoicing'),
+        'DJF' => __('Djiboutian Franc', 'invoicing'),
+        'DKK' => __('Danish Krone', 'invoicing'),
+        'DOP' => __('Dominican Peso', 'invoicing'),
+        'DZD' => __('Algerian Dinar', 'invoicing'),
+        'EGP' => __('Egyptian Pound', 'invoicing'),
+        'ERN' => __('Eritrean Nakfa', 'invoicing'),
+        'ETB' => __('Ethiopian irr', 'invoicing'),
+        'FJD' => __('Fijian Dollar', 'invoicing'),
+        'FKP' => __('Falkland Islands Pound', 'invoicing'),
+        'GEL' => __('Georgian lari', 'invoicing'),
+        'GGP' => __('Guernsey Pound', 'invoicing'),
+        'GHS' => __('Ghana cedi', 'invoicing'),
+        'GIP' => __('Gibraltar Pound', 'invoicing'),
+        'GMD' => __('Gambian Dalasi', 'invoicing'),
+        'GNF' => __('Guinean Franc', 'invoicing'),
+        'GTQ' => __('Guatemalan Quetzal', 'invoicing'),
+        'GYD' => __('Guyanese Dollar', 'invoicing'),
+        'HKD' => __('Hong Kong Dollar', 'invoicing'),
+        'HNL' => __('Honduran Lempira', 'invoicing'),
+        'HRK' => __('Croatian Kuna', 'invoicing'),
+        'HTG' => __('Haitian Gourde', 'invoicing'),
+        'HUF' => __('Hungarian Forint', 'invoicing'),
+        'IDR' => __('Indonesian Rupiah', 'invoicing'),
+        'ILS' => __('Israeli New Shekel', 'invoicing'),
+        'IMP' => __('Manx Pound', 'invoicing'),
+        'INR' => __('Indian Rupee', 'invoicing'),
+        'IQD' => __('Iraqi Dinar', 'invoicing'),
+        'IRR' => __('Iranian Rial', 'invoicing'),
+        'IRT' => __('Iranian Toman', 'invoicing'),
+        'ISK' => __('Icelandic Krona', 'invoicing'),
+        'JEP' => __('Jersey Pound', 'invoicing'),
+        'JMD' => __('Jamaican Dollar', 'invoicing'),
+        'JOD' => __('Jordanian Dinar', 'invoicing'),
+        'JPY' => __('Japanese Yen', 'invoicing'),
+        'KES' => __('Kenyan Shilling', 'invoicing'),
+        'KGS' => __('Kyrgyzstani Som', 'invoicing'),
+        'KHR' => __('Cambodian Riel', 'invoicing'),
+        'KMF' => __('Comorian Franc', 'invoicing'),
+        'KPW' => __('North Korean Won', 'invoicing'),
+        'KRW' => __('South Korean Won', 'invoicing'),
+        'KWD' => __('Kuwaiti Dinar', 'invoicing'),
+        'KYD' => __('Cayman Islands Dollar', 'invoicing'),
+        'KZT' => __('Kazakhstani Tenge', 'invoicing'),
+        'LAK' => __('Lao Kip', 'invoicing'),
+        'LBP' => __('Lebanese Pound', 'invoicing'),
+        'LKR' => __('Sri Lankan Rupee', 'invoicing'),
+        'LRD' => __('Liberian Dollar', 'invoicing'),
+        'LSL' => __('Lesotho Loti', 'invoicing'),
+        'LYD' => __('Libyan Dinar', 'invoicing'),
+        'MAD' => __('Moroccan Dirham', 'invoicing'),
+        'MDL' => __('Moldovan Leu', 'invoicing'),
+        'MGA' => __('Malagasy Ariary', 'invoicing'),
+        'MKD' => __('Macedonian Denar', 'invoicing'),
+        'MMK' => __('Burmese Kyat', 'invoicing'),
+        'MNT' => __('Mongolian Tughrik', 'invoicing'),
+        'MOP' => __('Macanese Pataca', 'invoicing'),
+        'MRO' => __('Mauritanian Ouguiya', 'invoicing'),
+        'MUR' => __('Mauritian Rupee', 'invoicing'),
+        'MVR' => __('Maldivian Rufiyaa', 'invoicing'),
+        'MWK' => __('Malawian Kwacha', 'invoicing'),
+        'MXN' => __('Mexican Peso', 'invoicing'),
+        'MYR' => __('Malaysian Ringgit', 'invoicing'),
+        'MZN' => __('Mozambican Metical', 'invoicing'),
+        'NAD' => __('Namibian Dollar', 'invoicing'),
+        'NGN' => __('Nigerian Naira', 'invoicing'),
+        'NIO' => __('Nicaraguan Cordoba', 'invoicing'),
+        'NOK' => __('Norwegian Krone', 'invoicing'),
+        'NPR' => __('Nepalese Rupee', 'invoicing'),
+        'NZD' => __('New Zealand Dollar', 'invoicing'),
+        'OMR' => __('Omani Rial', 'invoicing'),
+        'PAB' => __('Panamanian Balboa', 'invoicing'),
+        'PEN' => __('Peruvian Nuevo Sol', 'invoicing'),
+        'PGK' => __('Papua New Guinean Kina', 'invoicing'),
+        'PHP' => __('Philippine Peso', 'invoicing'),
+        'PKR' => __('Pakistani Rupee', 'invoicing'),
+        'PLN' => __('Polish Zloty', 'invoicing'),
+        'PRB' => __('Transnistrian Ruble', 'invoicing'),
+        'PYG' => __('Paraguayan Guarani', 'invoicing'),
+        'QAR' => __('Qatari Riyal', 'invoicing'),
+        'RON' => __('Romanian Leu', 'invoicing'),
+        'RSD' => __('Serbian Dinar', 'invoicing'),
+        'RUB' => __('Russian Ruble', 'invoicing'),
+        'RWF' => __('Rwandan Franc', 'invoicing'),
+        'SAR' => __('Saudi Riyal', 'invoicing'),
+        'SBD' => __('Solomon Islands Dollar', 'invoicing'),
+        'SCR' => __('Seychellois Rupee', 'invoicing'),
+        'SDG' => __('Sudanese Pound', 'invoicing'),
+        'SEK' => __('Swedish Krona', 'invoicing'),
+        'SGD' => __('Singapore Dollar', 'invoicing'),
+        'SHP' => __('Saint Helena Pound', 'invoicing'),
+        'SLL' => __('Sierra Leonean Leone', 'invoicing'),
+        'SOS' => __('Somali Shilling', 'invoicing'),
+        'SRD' => __('Surinamese Dollar', 'invoicing'),
+        'SSP' => __('South Sudanese Pound', 'invoicing'),
+        'STD' => __('Sao Tomean Dobra', 'invoicing'),
+        'SYP' => __('Syrian Pound', 'invoicing'),
+        'SZL' => __('Swazi Lilangeni', 'invoicing'),
+        'THB' => __('Thai Baht', 'invoicing'),
+        'TJS' => __('Tajikistani Somoni', 'invoicing'),
+        'TMT' => __('Turkmenistan Manat', 'invoicing'),
+        'TND' => __('Tunisian Dinar', 'invoicing'),
+        'TOP' => __('Tongan Pa&#x2bb;anga', 'invoicing'),
+        'TRY' => __('Turkish Lira', 'invoicing'),
+        'TTD' => __('Trinidad and Tobago Dollar', 'invoicing'),
+        'TWD' => __('New Taiwan Dollar', 'invoicing'),
+        'TZS' => __('Tanzanian Shilling', 'invoicing'),
+        'UAH' => __('Ukrainian Hryvnia', 'invoicing'),
+        'UGX' => __('Ugandan Shilling', 'invoicing'),
+        'UYU' => __('Uruguayan Peso', 'invoicing'),
+        'UZS' => __('Uzbekistani Som', 'invoicing'),
+        'VEF' => __('Venezuelan Bol&iacute;var', 'invoicing'),
+        'VND' => __('Vietnamese Dong', 'invoicing'),
+        'VUV' => __('Vanuatu Vatu', 'invoicing'),
+        'WST' => __('Samoan Tala', 'invoicing'),
+        'XAF' => __('Central African CFA Franc', 'invoicing'),
+        'XCD' => __('East Caribbean Dollar', 'invoicing'),
+        'XOF' => __('West African CFA Franc', 'invoicing'),
+        'XPF' => __('CFP Franc', 'invoicing'),
+        'YER' => __('Yemeni Rial', 'invoicing'),
+        'ZAR' => __('South African Rand', 'invoicing'),
+        'ZMW' => __('Zambian Kwacha', 'invoicing'),
     );
     
     //asort( $currencies ); // this
 
-    return apply_filters( 'wpinv_currencies', $currencies );
+    return apply_filters('wpinv_currencies', $currencies);
 }
 
-function wpinv_price( $amount = '', $currency = '' ) {
-    if( empty( $currency ) ) {
+function wpinv_price($amount = '', $currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
@@ -500,14 +500,14 @@ 
 
     $negative = $amount < 0;
 
-    if ( $negative ) {
-        $amount = substr( $amount, 1 );
+    if ($negative) {
+        $amount = substr($amount, 1);
     }
 
-    $symbol = wpinv_currency_symbol( $currency );
+    $symbol = wpinv_currency_symbol($currency);
 
-    if ( $position == 'left' || $position == 'left_space' ) {
-        switch ( $currency ) {
+    if ($position == 'left' || $position == 'left_space') {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -519,15 +519,15 @@ 
             case "NZD" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
             default :
                 //$price = $currency . ' ' . $amount;
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
         }
     } else {
-        switch ( $currency ) {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -538,83 +538,83 @@ 
             case "MXN" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
             default :
                 //$price = $amount . ' ' . $currency;
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
         }
     }
     
-    if ( $negative ) {
+    if ($negative) {
         $price = '-' . $price;
     }
     
-    $price = apply_filters( 'wpinv_' . strtolower( $currency ) . '_currency_filter_' . $position, $price, $currency, $amount );
+    $price = apply_filters('wpinv_' . strtolower($currency) . '_currency_filter_' . $position, $price, $currency, $amount);
 
     return $price;
 }
 
-function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
+function wpinv_format_amount($amount, $decimals = NULL, $calculate = false) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
 
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $decimal_sep == ',' && false !== ( $sep_found = strpos( $amount, $decimal_sep ) ) ) {
-        $whole = substr( $amount, 0, $sep_found );
-        $part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) );
+    if ($decimal_sep == ',' && false !== ($sep_found = strpos($amount, $decimal_sep))) {
+        $whole = substr($amount, 0, $sep_found);
+        $part = substr($amount, $sep_found + 1, (strlen($amount) - 1));
         $amount = $whole . '.' . $part;
     }
 
-    if ( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ',', '', $amount );
+    if ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(',', '', $amount);
     }
 
-    if ( $thousands_sep == ' ' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ' ', '', $amount );
+    if ($thousands_sep == ' ' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(' ', '', $amount);
     }
 
-    if ( empty( $amount ) ) {
+    if (empty($amount)) {
         $amount = 0;
     }
     
-    $decimals  = apply_filters( 'wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate );
-    $formatted = number_format( (float)$amount, $decimals, $decimal_sep, $thousands_sep );
+    $decimals  = apply_filters('wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate);
+    $formatted = number_format((float)$amount, $decimals, $decimal_sep, $thousands_sep);
     
-    if ( $calculate ) {
-        if ( $thousands_sep === "," ) {
-            $formatted = str_replace( ",", "", $formatted );
+    if ($calculate) {
+        if ($thousands_sep === ",") {
+            $formatted = str_replace(",", "", $formatted);
         }
         
-        if ( $decimal_sep === "," ) {
-            $formatted = str_replace( ",", ".", $formatted );
+        if ($decimal_sep === ",") {
+            $formatted = str_replace(",", ".", $formatted);
         }
     }
 
-    return apply_filters( 'wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate );
+    return apply_filters('wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate);
 }
-add_filter( 'wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_sanitize_key( $key ) {
+function wpinv_sanitize_key($key) {
     $raw_key = $key;
-    $key = preg_replace( '/[^a-zA-Z0-9_\-\.\:\/]/', '', $key );
+    $key = preg_replace('/[^a-zA-Z0-9_\-\.\:\/]/', '', $key);
 
-    return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
+    return apply_filters('wpinv_sanitize_key', $key, $raw_key);
 }
 
-function wpinv_get_file_extension( $str ) {
-    $parts = explode( '.', $str );
-    return end( $parts );
+function wpinv_get_file_extension($str) {
+    $parts = explode('.', $str);
+    return end($parts);
 }
 
-function wpinv_string_is_image_url( $str ) {
-    $ext = wpinv_get_file_extension( $str );
+function wpinv_string_is_image_url($str) {
+    $ext = wpinv_get_file_extension($str);
 
-    switch ( strtolower( $ext ) ) {
+    switch (strtolower($ext)) {
         case 'jpeg';
         case 'jpg';
             $return = true;
@@ -630,32 +630,32 @@ 
             break;
     }
 
-    return (bool)apply_filters( 'wpinv_string_is_image', $return, $str );
+    return (bool)apply_filters('wpinv_string_is_image', $return, $str);
 }
 
-function wpinv_error_log( $log, $title = '', $file = '', $line = '', $exit = false ) {
-    $should_log = apply_filters( 'wpinv_log_errors', WP_DEBUG );
+function wpinv_error_log($log, $title = '', $file = '', $line = '', $exit = false) {
+    $should_log = apply_filters('wpinv_log_errors', WP_DEBUG);
     
-    if ( true === $should_log ) {
+    if (true === $should_log) {
         $label = '';
-        if ( $file && $file !== '' ) {
-            $label .= basename( $file ) . ( $line ? '(' . $line . ')' : '' );
+        if ($file && $file !== '') {
+            $label .= basename($file) . ($line ? '(' . $line . ')' : '');
         }
         
-        if ( $title && $title !== '' ) {
+        if ($title && $title !== '') {
             $label = $label !== '' ? $label . ' ' : '';
             $label .= $title . ' ';
         }
         
-        $label = $label !== '' ? trim( $label ) . ' : ' : '';
+        $label = $label !== '' ? trim($label) . ' : ' : '';
         
-        if ( is_array( $log ) || is_object( $log ) ) {
-            error_log( $label . print_r( $log, true ) );
+        if (is_array($log) || is_object($log)) {
+            error_log($label . print_r($log, true));
         } else {
-            error_log( $label . $log );
+            error_log($label . $log);
         }
         
-        if ( $exit ) {
+        if ($exit) {
             exit;
         }
     }
@@ -663,65 +663,65 @@ 
 
 function wpinv_is_ajax_disabled() {
     $retval = false;
-    return apply_filters( 'wpinv_is_ajax_disabled', $retval );
+    return apply_filters('wpinv_is_ajax_disabled', $retval);
 }
 
-function wpinv_get_current_page_url( $nocache = false ) {
+function wpinv_get_current_page_url($nocache = false) {
     global $wp;
 
-    if ( get_option( 'permalink_structure' ) ) {
-        $base = trailingslashit( home_url( $wp->request ) );
+    if (get_option('permalink_structure')) {
+        $base = trailingslashit(home_url($wp->request));
     } else {
-        $base = add_query_arg( $wp->query_string, '', trailingslashit( home_url( $wp->request ) ) );
-        $base = remove_query_arg( array( 'post_type', 'name' ), $base );
+        $base = add_query_arg($wp->query_string, '', trailingslashit(home_url($wp->request)));
+        $base = remove_query_arg(array('post_type', 'name'), $base);
     }
 
     $scheme = is_ssl() ? 'https' : 'http';
-    $uri    = set_url_scheme( $base, $scheme );
+    $uri    = set_url_scheme($base, $scheme);
 
-    if ( is_front_page() ) {
-        $uri = home_url( '/' );
-    } elseif ( wpinv_is_checkout( array(), false ) ) {
+    if (is_front_page()) {
+        $uri = home_url('/');
+    } elseif (wpinv_is_checkout(array(), false)) {
         $uri = wpinv_get_checkout_uri();
     }
 
-    $uri = apply_filters( 'wpinv_get_current_page_url', $uri );
+    $uri = apply_filters('wpinv_get_current_page_url', $uri);
 
-    if ( $nocache ) {
-        $uri = wpinv_add_cache_busting( $uri );
+    if ($nocache) {
+        $uri = wpinv_add_cache_busting($uri);
     }
 
     return $uri;
 }
 
 function wpinv_get_php_arg_separator_output() {
-	return ini_get( 'arg_separator.output' );
+	return ini_get('arg_separator.output');
 }
 
-function wpinv_rgb_from_hex( $color ) {
-    $color = str_replace( '#', '', $color );
+function wpinv_rgb_from_hex($color) {
+    $color = str_replace('#', '', $color);
     // Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
-    $color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
 
     $rgb      = array();
-    $rgb['R'] = hexdec( $color{0}.$color{1} );
-    $rgb['G'] = hexdec( $color{2}.$color{3} );
-    $rgb['B'] = hexdec( $color{4}.$color{5} );
+    $rgb['R'] = hexdec($color{0} . $color{1} );
+    $rgb['G'] = hexdec($color{2} . $color{3} );
+    $rgb['B'] = hexdec($color{4} . $color{5} );
 
     return $rgb;
 }
 
-function wpinv_hex_darker( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_darker($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = $v / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v - $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -730,18 +730,18 @@ 
     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;
@@ -750,22 +750,22 @@ 
     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];
     }
 
@@ -785,12 +785,12 @@ 
  * @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;
 }
 
 /**
@@ -802,28 +802,28 @@ 
  * @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);
 }
 
 /**
@@ -837,12 +837,12 @@ 
  * @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);
 }
 
 /**
@@ -856,12 +856,12 @@ 
  * @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);
 }
 
 /**
@@ -876,16 +876,16 @@ 
  * @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);
 }
 
 /**
@@ -897,48 +897,48 @@ 
  * @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;
         }
     }

uninstall.php

Spacing +19 added lines, -19 removed lines

@@ -9,58 +9,58 @@
  */
 
 // If uninstall not called from WordPress, then exit.
-if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
+if (!defined('WP_UNINSTALL_PLUGIN')) {
     exit;
 }
 
 global $wpdb, $wp_version;
 
-$remove_data = get_option( 'wpinv_remove_data_on_invoice_unistall' );
+$remove_data = get_option('wpinv_remove_data_on_invoice_unistall');
 
 /*
  * Only remove ALL product and page data if WPINV_REMOVE_ALL_DATA constant is set to true in user's
  * wp-config.php. This is to prevent data loss when deleting the plugin from the backend
  * and to ensure only the site owner can perform this action.
  */
-if ( defined( 'WPINV_REMOVE_ALL_DATA' ) ) {
+if (defined('WPINV_REMOVE_ALL_DATA')) {
     $remove_data = true === WPINV_REMOVE_ALL_DATA ? true : false;
 }
 
-if ( $remove_data ) {
+if ($remove_data) {
     // Load Invoicing file.
-    include_once( 'invoicing.php' );
+    include_once('invoicing.php');
 
     // Roles + caps.
-    include_once( dirname( __FILE__ ) . '/includes/admin/install.php' );
+    include_once(dirname(__FILE__) . '/includes/admin/install.php');
     wpinv_remove_admin_caps();
     
-    $settings = get_option( 'wpinv_settings' );
+    $settings = get_option('wpinv_settings');
     
     // Delete pages.
-    $wpi_pages = array( 'checkout_page', 'success_page', 'failure_page', 'invoice_history_page', 'quote_history_page' );
-    foreach ( $wpi_pages as $page ) {
-        if ( !empty( $page ) && !empty( $settings[ $page ] ) ) {
-            wp_delete_post( $settings[ $page ], true );
+    $wpi_pages = array('checkout_page', 'success_page', 'failure_page', 'invoice_history_page', 'quote_history_page');
+    foreach ($wpi_pages as $page) {
+        if (!empty($page) && !empty($settings[$page])) {
+            wp_delete_post($settings[$page], true);
         }
     }
     
     // Delete posts + data.
-    $wpdb->query( "DELETE FROM {$wpdb->posts} WHERE post_type IN ( 'wpi_invoice', 'wpi_item', 'wpi_discount', 'wpi_quote' );" );
-    $wpdb->query( "DELETE meta FROM {$wpdb->postmeta} meta LEFT JOIN {$wpdb->posts} posts ON posts.ID = meta.post_id WHERE posts.ID IS NULL;" );
+    $wpdb->query("DELETE FROM {$wpdb->posts} WHERE post_type IN ( 'wpi_invoice', 'wpi_item', 'wpi_discount', 'wpi_quote' );");
+    $wpdb->query("DELETE meta FROM {$wpdb->postmeta} meta LEFT JOIN {$wpdb->posts} posts ON posts.ID = meta.post_id WHERE posts.ID IS NULL;");
     
     // Delete comments.
-    $wpdb->query( "DELETE FROM {$wpdb->comments} WHERE comment_type LIKE 'wpinv_note';" );
-    $wpdb->query( "DELETE meta FROM {$wpdb->commentmeta} meta LEFT JOIN {$wpdb->comments} comments ON comments.comment_ID = meta.comment_id WHERE comments.comment_ID IS NULL;" );
+    $wpdb->query("DELETE FROM {$wpdb->comments} WHERE comment_type LIKE 'wpinv_note';");
+    $wpdb->query("DELETE meta FROM {$wpdb->commentmeta} meta LEFT JOIN {$wpdb->comments} comments ON comments.comment_ID = meta.comment_id WHERE comments.comment_ID IS NULL;");
     
     // Delete user meta.
-    $wpdb->query( "DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_wpinv_%' OR meta_key LIKE '%_wpi_invoice%' OR meta_key LIKE '%_wpi_item%' OR meta_key LIKE '%_wpi_discount%' OR meta_key LIKE '_wpi_stripe%' OR meta_key LIKE '%_wpi_quote%';" );
+    $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_wpinv_%' OR meta_key LIKE '%_wpi_invoice%' OR meta_key LIKE '%_wpi_item%' OR meta_key LIKE '%_wpi_discount%' OR meta_key LIKE '_wpi_stripe%' OR meta_key LIKE '%_wpi_quote%';");
     
     // Cleanup Cron Schedule
-    wp_clear_scheduled_hook( 'wp_session_garbage_collection' );
-    wp_clear_scheduled_hook( 'wpinv_register_schedule_event_twicedaily' );
+    wp_clear_scheduled_hook('wp_session_garbage_collection');
+    wp_clear_scheduled_hook('wpinv_register_schedule_event_twicedaily');
     
     // Delete options.
-    $wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE 'wpinv_%' OR option_name LIKE '_wpinv_%' OR option_name LIKE '\_transient\_wpinv\_%';" );
+    $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'wpinv_%' OR option_name LIKE '_wpinv_%' OR option_name LIKE '\_transient\_wpinv\_%';");
     
     // Clear any cached data that has been removed
     wp_cache_flush();

templates/emails/wpinv-email-styles.php

Spacing +35 added lines, -35 removed lines

@@ -1,25 +1,25 @@ 
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
 // Load colours
-$bg              = wpinv_get_option( 'email_background_color', '#f5f5f5' );
-$body            = wpinv_get_option( 'email_body_background_color', '#fdfdfd' );
-$base            = wpinv_get_option( 'email_base_color', '#557da2' );
-$base_text       = wpinv_light_or_dark( $base, '#202020', '#ffffff' );
-$text            = wpinv_get_option( 'email_text_color', '#505050' );
+$bg              = wpinv_get_option('email_background_color', '#f5f5f5');
+$body            = wpinv_get_option('email_body_background_color', '#fdfdfd');
+$base            = wpinv_get_option('email_base_color', '#557da2');
+$base_text       = wpinv_light_or_dark($base, '#202020', '#ffffff');
+$text            = wpinv_get_option('email_text_color', '#505050');
 
-$bg_darker_10    = wpinv_hex_darker( $bg, 10 );
-$body_darker_10  = wpinv_hex_darker( $body, 10 );
-$base_lighter_20 = wpinv_hex_lighter( $base, 20 );
-$base_lighter_40 = wpinv_hex_lighter( $base, 40 );
-$text_lighter_20 = wpinv_hex_lighter( $text, 20 );
+$bg_darker_10    = wpinv_hex_darker($bg, 10);
+$body_darker_10  = wpinv_hex_darker($body, 10);
+$base_lighter_20 = wpinv_hex_lighter($base, 20);
+$base_lighter_40 = wpinv_hex_lighter($base, 40);
+$text_lighter_20 = wpinv_hex_lighter($text, 20);
 
 // !important; is a gmail hack to prevent styles being stripped if it doesn't like something.
 ?>
 #wrapper {
-    background-color: <?php echo esc_attr( $bg ); ?>;
+    background-color: <?php echo esc_attr($bg); ?>;
     margin: 0;
     -webkit-text-size-adjust: none !important;
     padding: 3%;
@@ -40,15 +40,15 @@ 
 
 #template_container {
     box-shadow: 0 1px 4px rgba(0,0,0,0.1) !important;
-    background-color: <?php echo esc_attr( $body ); ?>;
-    border: 1px solid <?php echo esc_attr( $bg_darker_10 ); ?>;
+    background-color: <?php echo esc_attr($body); ?>;
+    border: 1px solid <?php echo esc_attr($bg_darker_10); ?>;
     border-radius: 3px !important;
 }
 
 #template_header {
-    background-color: <?php echo esc_attr( $base ); ?>;
+    background-color: <?php echo esc_attr($base); ?>;
     border-radius: 3px 3px 0 0 !important;
-    color: <?php echo esc_attr( $base_text ); ?>;
+    color: <?php echo esc_attr($base_text); ?>;
     border-bottom: 0;
     font-weight: bold;
     line-height: 100%;
@@ -61,7 +61,7 @@ 
 }
 
 #template_header h1 {
-    color: <?php echo esc_attr( $base_text ); ?>;
+    color: <?php echo esc_attr($base_text); ?>;
 }
 
 #template_footer td {
@@ -72,7 +72,7 @@ 
 
 #template_footer #credit {
     border:0;
-    color: <?php echo esc_attr( $base_lighter_40 ); ?>;
+    color: <?php echo esc_attr($base_lighter_40); ?>;
     font-family: Arial;
     font-size:12px;
     line-height:125%;
@@ -81,7 +81,7 @@ 
 }
 
 #body_content {
-    background-color: <?php echo esc_attr( $body ); ?>;
+    background-color: <?php echo esc_attr($body); ?>;
 }
 
 #body_content table td {
@@ -101,7 +101,7 @@ 
 }
 
 #body_content_inner {
-    color: <?php echo esc_attr( $text_lighter_20 ); ?>;
+    color: <?php echo esc_attr($text_lighter_20); ?>;
     font-family: Arial,Helvetica,sans-serif;
     font-size: 14px;
     line-height: 150%;
@@ -109,17 +109,17 @@ 
 }
 
 .td {
-    color: <?php echo esc_attr( $text_lighter_20 ); ?>;
-    border: 1px solid <?php echo esc_attr( $body_darker_10 ); ?>;
+    color: <?php echo esc_attr($text_lighter_20); ?>;
+    border: 1px solid <?php echo esc_attr($body_darker_10); ?>;
 }
 
 .text {
-    color: <?php echo esc_attr( $text ); ?>;
+    color: <?php echo esc_attr($text); ?>;
     font-family: Arial,Helvetica,sans-serif;
 }
 
 .link {
-    color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base); ?>;
 }
 
 #header_wrapper {
@@ -128,19 +128,19 @@ 
 }
 
 h1 {
-    color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base); ?>;
     font-family: Arial,Helvetica,sans-serif;
     font-size: 30px;
     font-weight: 300;
     line-height: 150%;
     margin: 0;
     text-align: <?php echo is_rtl() ? 'right' : 'left'; ?>;
-    text-shadow: 0 1px 0 <?php echo esc_attr( $base_lighter_20 ); ?>;
+    text-shadow: 0 1px 0 <?php echo esc_attr($base_lighter_20); ?>;
     -webkit-font-smoothing: antialiased;
 }
 
 h2 {
-    color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base); ?>;
     display: block;
     font-family: Arial,Helvetica,sans-serif;
     font-size: 18px;
@@ -151,7 +151,7 @@ 
 }
 
 h3 {
-    color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base); ?>;
     display: block;
     font-family: Arial,Helvetica,sans-serif;
     font-size: 16px;
@@ -162,7 +162,7 @@ 
 }
 
 a {
-    color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base); ?>;
     font-weight: normal;
     text-decoration: underline;
 }
@@ -180,7 +180,7 @@ 
 }
 
 .table-bordered {
-    border: 1px solid <?php echo esc_attr( $body_darker_10 ); ?>;
+    border: 1px solid <?php echo esc_attr($body_darker_10); ?>;
     border-collapse: collapse;
     border-spacing: 0;
     width: 100%;
@@ -188,8 +188,8 @@ 
 
 .table-bordered th,
 .table-bordered td {
-    border: 1px solid <?php echo esc_attr( $body_darker_10 ); ?>;
-    color: <?php echo esc_attr( $text_lighter_20 ); ?>;
+    border: 1px solid <?php echo esc_attr($body_darker_10); ?>;
+    color: <?php echo esc_attr($text_lighter_20); ?>;
     font-size: 14px;
 }
 .small {
@@ -288,9 +288,9 @@ 
   text-decoration: none;
 }
 .btn-default {
-    color: <?php echo esc_attr( $base_text ); ?>;
-    background-color: <?php echo esc_attr( $base ); ?>;
-    border-color: <?php echo esc_attr( $base ); ?>;
+    color: <?php echo esc_attr($base_text); ?>;
+    background-color: <?php echo esc_attr($base); ?>;
+    border-color: <?php echo esc_attr($base); ?>;
 }
 .btn-primary {
   color: #fff;

templates/emails/wpinv-email-user_invoice.php

Spacing +8 added lines, -8 removed lines

@@ -1,20 +1,20 @@
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
-if ( $invoice->needs_payment() ) {
+if ($invoice->needs_payment()) {
     ?>
-    <p><?php printf( __( 'An invoice has been created for you on %s. To view / pay for this invoice please use the following link: %s', 'invoicing' ), wpinv_get_business_name(), '<a class="btn btn-success" href="' . esc_url( $invoice->get_view_url( true ) ) . '">' . __( 'View / Pay', 'invoicing' ) . '</a>' ); ?></p>
+    <p><?php printf(__('An invoice has been created for you on %s. To view / pay for this invoice please use the following link: %s', 'invoicing'), wpinv_get_business_name(), '<a class="btn btn-success" href="' . esc_url($invoice->get_view_url(true)) . '">' . __('View / Pay', 'invoicing') . '</a>'); ?></p>
     <?php 
 }
 
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
\ No newline at end of file
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);
\ No newline at end of file

includes/wpinv-payment-functions.php

Spacing +161 added lines, -161 removed lines

@@ -1,6 +1,6 @@ 
 <?php
-function wpinv_get_subscriptions( $args = array() ) {
-    if ( empty( $args['parent_invoice_id'] ) ) {
+function wpinv_get_subscriptions($args = array()) {
+    if (empty($args['parent_invoice_id'])) {
         return false;
     }
     
@@ -14,18 +14,18 @@ 
     );
 
     $args['post_parent']    = $args['parent_invoice_id'];
-    $args                   = wp_parse_args( $args, $defaults );
+    $args                   = wp_parse_args($args, $defaults);
 
-    if( $args['numberposts'] < 1 ) {
+    if ($args['numberposts'] < 1) {
         $args['numberposts'] = 999999999999;
     }
 
-    $posts          = get_posts( $args );
+    $posts          = get_posts($args);
     $subscriptions  = array();
-    if ( !empty( $posts ) ) {
-        foreach ( $posts as $post ) {
-            if ( !empty( $post->ID ) ) {
-                $subscriptions[] = wpinv_get_invoice( $post->ID );
+    if (!empty($posts)) {
+        foreach ($posts as $post) {
+            if (!empty($post->ID)) {
+                $subscriptions[] = wpinv_get_invoice($post->ID);
             }
         }
     }
@@ -33,19 +33,19 @@ 
     
     return $subscriptions;
 }
-function wpinv_get_subscription( $id = 0, $by_profile_id = false ) {
+function wpinv_get_subscription($id = 0, $by_profile_id = false) {
     global $wpdb;
 
-    if ( empty( $id ) ) {
+    if (empty($id)) {
         return false;
     }
 
-    $id = esc_sql( $id );
+    $id = esc_sql($id);
 
-    $invoice_id = $wpdb->get_var( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_profile_id' AND meta_value = '{$id}' LIMIT 1" );
+    $invoice_id = $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_profile_id' AND meta_value = '{$id}' LIMIT 1");
 
-    if ( $invoice_id != null ) {
-        return wpinv_get_invoice( $invoice_id );
+    if ($invoice_id != null) {
+        return wpinv_get_invoice($invoice_id);
     }
 
     return false;
@@ -55,47 +55,47 @@ 
  * Records a new payment on the subscription
  * 
  */
-function wpinv_recurring_add_subscription_payment( $parent_invoice_id, $subscription_args = array() ) {    
-    $args = wp_parse_args( $subscription_args, array(
+function wpinv_recurring_add_subscription_payment($parent_invoice_id, $subscription_args = array()) {    
+    $args = wp_parse_args($subscription_args, array(
         'amount'         => '',
         'transaction_id' => '',
         'gateway'        => ''
-    ) );
+    ));
 
-    if ( wpinv_payment_exists( $args['transaction_id'] ) ) {
+    if (wpinv_payment_exists($args['transaction_id'])) {
         return false;
     }
     
-    $parent_invoice = wpinv_get_invoice( $parent_invoice_id );
-    if ( empty( $parent_invoice ) ) {
+    $parent_invoice = wpinv_get_invoice($parent_invoice_id);
+    if (empty($parent_invoice)) {
         return;
     }
 
     $invoice = new WPInv_Invoice();
-    $invoice->set( 'post_type', 'wpi_invoice' );
-    $invoice->set( 'parent_invoice', $parent_invoice_id );
-    $invoice->set( 'currency', $parent_invoice->get_currency() );
-    $invoice->set( 'transaction_id', $args['transaction_id'] );
-    $invoice->set( 'key', $parent_invoice->generate_key() );
-    $invoice->set( 'ip', $parent_invoice->ip );
-    $invoice->set( 'user_id', $parent_invoice->get_user_id() );
-    $invoice->set( 'first_name', $parent_invoice->get_first_name() );
-    $invoice->set( 'last_name', $parent_invoice->get_last_name() );
-    $invoice->set( 'phone', $parent_invoice->phone );
-    $invoice->set( 'address', $parent_invoice->address );
-    $invoice->set( 'city', $parent_invoice->city );
-    $invoice->set( 'country', $parent_invoice->country );
-    $invoice->set( 'state', $parent_invoice->state );
-    $invoice->set( 'zip', $parent_invoice->zip );
-    $invoice->set( 'company', $parent_invoice->company );
-    $invoice->set( 'vat_number', $parent_invoice->vat_number );
-    $invoice->set( 'vat_rate', $parent_invoice->vat_rate );
-    $invoice->set( 'adddress_confirmed', $parent_invoice->adddress_confirmed );
-
-    if ( empty( $args['gateway'] ) ) {
-        $invoice->set( 'gateway', $parent_invoice->get_gateway() );
+    $invoice->set('post_type', 'wpi_invoice');
+    $invoice->set('parent_invoice', $parent_invoice_id);
+    $invoice->set('currency', $parent_invoice->get_currency());
+    $invoice->set('transaction_id', $args['transaction_id']);
+    $invoice->set('key', $parent_invoice->generate_key());
+    $invoice->set('ip', $parent_invoice->ip);
+    $invoice->set('user_id', $parent_invoice->get_user_id());
+    $invoice->set('first_name', $parent_invoice->get_first_name());
+    $invoice->set('last_name', $parent_invoice->get_last_name());
+    $invoice->set('phone', $parent_invoice->phone);
+    $invoice->set('address', $parent_invoice->address);
+    $invoice->set('city', $parent_invoice->city);
+    $invoice->set('country', $parent_invoice->country);
+    $invoice->set('state', $parent_invoice->state);
+    $invoice->set('zip', $parent_invoice->zip);
+    $invoice->set('company', $parent_invoice->company);
+    $invoice->set('vat_number', $parent_invoice->vat_number);
+    $invoice->set('vat_rate', $parent_invoice->vat_rate);
+    $invoice->set('adddress_confirmed', $parent_invoice->adddress_confirmed);
+
+    if (empty($args['gateway'])) {
+        $invoice->set('gateway', $parent_invoice->get_gateway());
     } else {
-        $invoice->set( 'gateway', $args['gateway'] );
+        $invoice->set('gateway', $args['gateway']);
     }
     
     $recurring_details = $parent_invoice->get_recurring_details();
@@ -103,11 +103,11 @@ 
     // increase the earnings for each item in the subscription
     $items = $recurring_details['cart_details'];
     
-    if ( $items ) {        
+    if ($items) {        
         $add_items      = array();
         $cart_details   = array();
         
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
             $add_item             = array();
             $add_item['id']       = $item['id'];
             $add_item['quantity'] = $item['quantity'];
@@ -117,7 +117,7 @@ 
             break;
         }
         
-        $invoice->set( 'items', $add_items );
+        $invoice->set('items', $add_items);
         $invoice->cart_details = $cart_details;
     }
     
@@ -127,277 +127,277 @@ 
     $tax                = $recurring_details['tax'];
     $discount           = $recurring_details['discount'];
     
-    if ( $discount > 0 ) {
-        $invoice->set( 'discount_code', $parent_invoice->discount_code );
+    if ($discount > 0) {
+        $invoice->set('discount_code', $parent_invoice->discount_code);
     }
     
-    $invoice->subtotal = wpinv_round_amount( $subtotal );
-    $invoice->tax      = wpinv_round_amount( $tax );
-    $invoice->discount = wpinv_round_amount( $discount );
-    $invoice->total    = wpinv_round_amount( $total );
+    $invoice->subtotal = wpinv_round_amount($subtotal);
+    $invoice->tax      = wpinv_round_amount($tax);
+    $invoice->discount = wpinv_round_amount($discount);
+    $invoice->total    = wpinv_round_amount($total);
     $invoice->save();
     
-    wpinv_update_payment_status( $invoice->ID, 'publish' );
+    wpinv_update_payment_status($invoice->ID, 'publish');
     sleep(1);
-    wpinv_update_payment_status( $invoice->ID, 'wpi-renewal' );
+    wpinv_update_payment_status($invoice->ID, 'wpi-renewal');
     
-    $invoice = wpinv_get_invoice( $invoice->ID );
+    $invoice = wpinv_get_invoice($invoice->ID);
     
-    $subscription_data                      = wpinv_payment_subscription_data( $parent_invoice );
+    $subscription_data                      = wpinv_payment_subscription_data($parent_invoice);
     $subscription_data['recurring_amount']  = $invoice->get_total();
-    $subscription_data['created']           = current_time( 'mysql', 0 );
-    $subscription_data['expiration']        = $invoice->get_new_expiration( $subscription_data['item_id'] );
+    $subscription_data['created']           = current_time('mysql', 0);
+    $subscription_data['expiration']        = $invoice->get_new_expiration($subscription_data['item_id']);
     
     // Retrieve pending subscription from database and update it's status to active and set proper profile ID
-    $invoice->update_subscription( $subscription_data );
+    $invoice->update_subscription($subscription_data);
 
-    do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $parent_invoice, $subscription_args );
-    do_action( 'wpinv_recurring_record_payment', $invoice->ID, $parent_invoice_id, $subscription_args );
+    do_action('wpinv_recurring_add_subscription_payment', $invoice, $parent_invoice, $subscription_args);
+    do_action('wpinv_recurring_record_payment', $invoice->ID, $parent_invoice_id, $subscription_args);
 
     return $invoice;
 }
 
-function wpinv_payment_exists( $txn_id = '' ) {
+function wpinv_payment_exists($txn_id = '') {
     global $wpdb;
 
-    if ( empty( $txn_id ) ) {
+    if (empty($txn_id)) {
         return false;
     }
 
-    $txn_id = esc_sql( $txn_id );
+    $txn_id = esc_sql($txn_id);
 
-    $invoice = $wpdb->get_var( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1" );
+    $invoice = $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1");
 
-    if ( $invoice != null ) {
+    if ($invoice != null) {
         return true;
     }
 
     return false;
 }
 
-function wpinv_is_subscription_payment( $invoice = '' ) {
-    if ( empty( $invoice ) ) {
+function wpinv_is_subscription_payment($invoice = '') {
+    if (empty($invoice)) {
         return false;
     }
     
-    if ( !is_object( $invoice ) && is_scalar( $invoice ) ) {
-        $invoice = wpinv_get_invoice( $invoice );
+    if (!is_object($invoice) && is_scalar($invoice)) {
+        $invoice = wpinv_get_invoice($invoice);
     }
     
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return false;
     }
         
-    if ( $invoice->is_renewal() ) {
+    if ($invoice->is_renewal()) {
         return true;
     }
 
     return false;
 }
 
-function wpinv_payment_subscription_data( $invoice = '' ) {
-    if ( empty( $invoice ) ) {
+function wpinv_payment_subscription_data($invoice = '') {
+    if (empty($invoice)) {
         return false;
     }
     
-    if ( !is_object( $invoice ) && is_scalar( $invoice ) ) {
-        $invoice = wpinv_get_invoice( $invoice );
+    if (!is_object($invoice) && is_scalar($invoice)) {
+        $invoice = wpinv_get_invoice($invoice);
     }
     
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return false;
     }    
 
     return $invoice->get_subscription_data();
 }
 
-function wpinv_payment_link_transaction_id( $invoice = '' ) {
-    if ( empty( $invoice ) ) {
+function wpinv_payment_link_transaction_id($invoice = '') {
+    if (empty($invoice)) {
         return false;
     }
     
-    if ( !is_object( $invoice ) && is_scalar( $invoice ) ) {
-        $invoice = wpinv_get_invoice( $invoice );
+    if (!is_object($invoice) && is_scalar($invoice)) {
+        $invoice = wpinv_get_invoice($invoice);
     }
     
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return false;
     }
 
-    return apply_filters( 'wpinv_payment_details_transaction_id-' . $invoice->gateway, $invoice->get_transaction_id(), $invoice->ID, $invoice );
+    return apply_filters('wpinv_payment_details_transaction_id-' . $invoice->gateway, $invoice->get_transaction_id(), $invoice->ID, $invoice);
 }
 
-function wpinv_get_pretty_subscription_period( $period ) {
+function wpinv_get_pretty_subscription_period($period) {
     $frequency = '';
     //Format period details
-    switch ( $period ) {
+    switch ($period) {
         case 'D' :
         case 'day' :
-            $frequency = __( 'Daily', 'invoicing' );
+            $frequency = __('Daily', 'invoicing');
             break;
         case 'W' :
         case 'week' :
-            $frequency = __( 'Weekly', 'invoicing' );
+            $frequency = __('Weekly', 'invoicing');
             break;
         case 'M' :
         case 'month' :
-            $frequency = __( 'Monthly', 'invoicing' );
+            $frequency = __('Monthly', 'invoicing');
             break;
         case 'Y' :
         case 'year' :
-            $frequency = __( 'Yearly', 'invoicing' );
+            $frequency = __('Yearly', 'invoicing');
             break;
         default :
-            $frequency = apply_filters( 'wpinv_pretty_subscription_period', $frequency, $period );
+            $frequency = apply_filters('wpinv_pretty_subscription_period', $frequency, $period);
             break;
     }
 
     return $frequency;
 }
 
-function wpinv_get_pretty_subscription_period_name( $period ) {
+function wpinv_get_pretty_subscription_period_name($period) {
     $frequency = '';
     //Format period details
-    switch ( $period ) {
+    switch ($period) {
         case 'D' :
         case 'day' :
-            $frequency = __( 'Day', 'invoicing' );
+            $frequency = __('Day', 'invoicing');
             break;
         case 'W' :
         case 'week' :
-            $frequency = __( 'Week', 'invoicing' );
+            $frequency = __('Week', 'invoicing');
             break;
         case 'M' :
         case 'month' :
-            $frequency = __( 'Month', 'invoicing' );
+            $frequency = __('Month', 'invoicing');
             break;
         case 'Y' :
         case 'year' :
-            $frequency = __( 'Year', 'invoicing' );
+            $frequency = __('Year', 'invoicing');
             break;
         default :
-            $frequency = apply_filters( 'wpinv_pretty_subscription_period_name', $frequency, $period );
+            $frequency = apply_filters('wpinv_pretty_subscription_period_name', $frequency, $period);
             break;
     }
 
     return $frequency;
 }
 
-function wpinv_subscription_initial_payment_desc( $amount, $period, $interval, $trial_period = '', $trial_interval = 0 ) {
+function wpinv_subscription_initial_payment_desc($amount, $period, $interval, $trial_period = '', $trial_interval = 0) {
     $interval   = (int)$interval > 0 ? (int)$interval : 1;
     
-    if ( $trial_interval > 0 && !empty( $trial_period ) ) {
-        $amount = __( 'Free', 'invoicing' );
+    if ($trial_interval > 0 && !empty($trial_period)) {
+        $amount = __('Free', 'invoicing');
         $interval = $trial_interval;
         $period = $trial_period;
     }
     
     $description = '';
-    switch ( $period ) {
+    switch ($period) {
         case 'D' :
         case 'day' :
-            $description = wp_sprintf( _n( '%s for the first day.', '%s for the first %d days.', $interval, 'invoicing' ), $amount, $interval );
+            $description = wp_sprintf(_n('%s for the first day.', '%s for the first %d days.', $interval, 'invoicing'), $amount, $interval);
             break;
         case 'W' :
         case 'week' :
-            $description = wp_sprintf( _n( '%s for the first week.', '%s for the first %d weeks.', $interval, 'invoicing' ), $amount, $interval );
+            $description = wp_sprintf(_n('%s for the first week.', '%s for the first %d weeks.', $interval, 'invoicing'), $amount, $interval);
             break;
         case 'M' :
         case 'month' :
-            $description = wp_sprintf( _n( '%s for the first month.', '%s for the first %d months.', $interval, 'invoicing' ), $amount, $interval );
+            $description = wp_sprintf(_n('%s for the first month.', '%s for the first %d months.', $interval, 'invoicing'), $amount, $interval);
             break;
         case 'Y' :
         case 'year' :
-            $description = wp_sprintf( _n( '%s for the first year.', '%s for the first %d years.', $interval, 'invoicing' ), $amount, $interval );
+            $description = wp_sprintf(_n('%s for the first year.', '%s for the first %d years.', $interval, 'invoicing'), $amount, $interval);
             break;
     }
 
-    return apply_filters( 'wpinv_subscription_initial_payment_desc', $description, $amount, $period, $interval, $trial_period, $trial_interval  );
+    return apply_filters('wpinv_subscription_initial_payment_desc', $description, $amount, $period, $interval, $trial_period, $trial_interval);
 }
 
-function wpinv_subscription_recurring_payment_desc( $amount, $period, $interval, $bill_times = 0, $trial_period = '', $trial_interval = 0 ) {
+function wpinv_subscription_recurring_payment_desc($amount, $period, $interval, $bill_times = 0, $trial_period = '', $trial_interval = 0) {
     $interval   = (int)$interval > 0 ? (int)$interval : 1;
     $bill_times = (int)$bill_times > 0 ? (int)$bill_times : 0;
     
     $description = '';
-    switch ( $period ) {
+    switch ($period) {
         case 'D' :
         case 'day' :            
-            if ( (int)$bill_times > 0 ) {
-                if ( $interval > 1 ) {
-                    if ( $bill_times > 1 ) {
-                        $description = wp_sprintf( __( '%s for each %d days, for %d installments.', 'invoicing' ), $amount, $interval, $bill_times );
+            if ((int)$bill_times > 0) {
+                if ($interval > 1) {
+                    if ($bill_times > 1) {
+                        $description = wp_sprintf(__('%s for each %d days, for %d installments.', 'invoicing'), $amount, $interval, $bill_times);
                     } else {
-                        $description = wp_sprintf( __( '%s for %d days.', 'invoicing' ), $amount, $interval );
+                        $description = wp_sprintf(__('%s for %d days.', 'invoicing'), $amount, $interval);
                     }
                 } else {
-                    $description = wp_sprintf( _n( '%s for one day.', '%s for each day, for %d installments.', $bill_times, 'invoicing' ), $amount, $bill_times );
+                    $description = wp_sprintf(_n('%s for one day.', '%s for each day, for %d installments.', $bill_times, 'invoicing'), $amount, $bill_times);
                 }
             } else {
-                $description = wp_sprintf( _n( '%s for each day.', '%s for each %d days.', $interval, 'invoicing'), $amount, $interval );
+                $description = wp_sprintf(_n('%s for each day.', '%s for each %d days.', $interval, 'invoicing'), $amount, $interval);
             }
             break;
         case 'W' :
         case 'week' :            
-            if ( (int)$bill_times > 0 ) {
-                if ( $interval > 1 ) {
-                    if ( $bill_times > 1 ) {
-                        $description = wp_sprintf( __( '%s for each %d weeks, for %d installments.', 'invoicing' ), $amount, $interval, $bill_times );
+            if ((int)$bill_times > 0) {
+                if ($interval > 1) {
+                    if ($bill_times > 1) {
+                        $description = wp_sprintf(__('%s for each %d weeks, for %d installments.', 'invoicing'), $amount, $interval, $bill_times);
                     } else {
-                        $description = wp_sprintf( __( '%s for %d weeks.', 'invoicing' ), $amount, $interval );
+                        $description = wp_sprintf(__('%s for %d weeks.', 'invoicing'), $amount, $interval);
                     }
                 } else {
-                    $description = wp_sprintf( _n( '%s for one week.', '%s for each week, for %d installments.', $bill_times, 'invoicing' ), $amount, $bill_times );
+                    $description = wp_sprintf(_n('%s for one week.', '%s for each week, for %d installments.', $bill_times, 'invoicing'), $amount, $bill_times);
                 }
             } else {
-                $description = wp_sprintf( _n( '%s for each week.', '%s for each %d weeks.', $interval, 'invoicing' ), $amount, $interval );
+                $description = wp_sprintf(_n('%s for each week.', '%s for each %d weeks.', $interval, 'invoicing'), $amount, $interval);
             }
             break;
         case 'M' :
         case 'month' :            
-            if ( (int)$bill_times > 0 ) {
-                if ( $interval > 1 ) {
-                    if ( $bill_times > 1 ) {
-                        $description = wp_sprintf( __( '%s for each %d months, for %d installments.', 'invoicing' ), $amount, $interval, $bill_times );
+            if ((int)$bill_times > 0) {
+                if ($interval > 1) {
+                    if ($bill_times > 1) {
+                        $description = wp_sprintf(__('%s for each %d months, for %d installments.', 'invoicing'), $amount, $interval, $bill_times);
                     } else {
-                        $description = wp_sprintf( __( '%s for %d months.', 'invoicing' ), $amount, $interval );
+                        $description = wp_sprintf(__('%s for %d months.', 'invoicing'), $amount, $interval);
                     }
                 } else {
-                    $description = wp_sprintf( _n( '%s for one month.', '%s for each month, for %d installments.', $bill_times, 'invoicing' ), $amount, $bill_times );
+                    $description = wp_sprintf(_n('%s for one month.', '%s for each month, for %d installments.', $bill_times, 'invoicing'), $amount, $bill_times);
                 }
             } else {
-                $description = wp_sprintf( _n( '%s for each month.', '%s for each %d months.', $interval, 'invoicing' ), $amount, $interval );
+                $description = wp_sprintf(_n('%s for each month.', '%s for each %d months.', $interval, 'invoicing'), $amount, $interval);
             }
             break;
         case 'Y' :
         case 'year' :            
-            if ( (int)$bill_times > 0 ) {
-                if ( $interval > 1 ) {
-                    if ( $bill_times > 1 ) {
-                        $description = wp_sprintf( __( '%s for each %d years, for %d installments.', 'invoicing' ), $amount, $interval, $bill_times );
+            if ((int)$bill_times > 0) {
+                if ($interval > 1) {
+                    if ($bill_times > 1) {
+                        $description = wp_sprintf(__('%s for each %d years, for %d installments.', 'invoicing'), $amount, $interval, $bill_times);
                     } else {
-                        $description = wp_sprintf( __( '%s for %d years.', 'invoicing'), $amount, $interval );
+                        $description = wp_sprintf(__('%s for %d years.', 'invoicing'), $amount, $interval);
                     }
                 } else {
-                    $description = wp_sprintf( _n( '%s for one year.', '%s for each year, for %d installments.', $bill_times, 'invoicing' ), $amount, $bill_times );
+                    $description = wp_sprintf(_n('%s for one year.', '%s for each year, for %d installments.', $bill_times, 'invoicing'), $amount, $bill_times);
                 }
             } else {
-                $description = wp_sprintf( _n( '%s for each year.', '%s for each %d years.', $interval, 'invoicing' ), $amount, $interval );
+                $description = wp_sprintf(_n('%s for each year.', '%s for each %d years.', $interval, 'invoicing'), $amount, $interval);
             }
             break;
     }
 
-    return apply_filters( 'wpinv_subscription_recurring_payment_desc', $description, $amount, $period, $interval, $bill_times, $trial_period, $trial_interval );
+    return apply_filters('wpinv_subscription_recurring_payment_desc', $description, $amount, $period, $interval, $bill_times, $trial_period, $trial_interval);
 }
 
-function wpinv_subscription_payment_desc( $invoice ) {
-    if ( empty( $invoice ) ) {
+function wpinv_subscription_payment_desc($invoice) {
+    if (empty($invoice)) {
         return NULL;
     }
     
     $description = '';
-    if ( $invoice->is_parent() && $item = $invoice->get_recurring( true ) ) {
-        if ( $item->has_free_trial() ) {
+    if ($invoice->is_parent() && $item = $invoice->get_recurring(true)) {
+        if ($item->has_free_trial()) {
             $trial_period = $item->get_trial_period();
             $trial_interval = $item->get_trial_interval();
         } else {
@@ -405,45 +405,45 @@ 
             $trial_interval = 0;
         }
         
-        $description = wpinv_get_billing_cycle( $invoice->get_total(), $invoice->get_recurring_details( 'total' ), $item->get_recurring_period(), $item->get_recurring_interval(), $item->get_recurring_limit(), $trial_period, $trial_interval, $invoice->get_currency() );
+        $description = wpinv_get_billing_cycle($invoice->get_total(), $invoice->get_recurring_details('total'), $item->get_recurring_period(), $item->get_recurring_interval(), $item->get_recurring_limit(), $trial_period, $trial_interval, $invoice->get_currency());
     }
     
-    return apply_filters( 'wpinv_subscription_payment_desc', $description, $invoice );
+    return apply_filters('wpinv_subscription_payment_desc', $description, $invoice);
 }
 
-function wpinv_get_billing_cycle( $initial, $recurring, $period, $interval, $bill_times, $trial_period = '', $trial_interval = 0, $currency = '' ) {
-    $initial_total      = wpinv_round_amount( $initial );
-    $recurring_total    = wpinv_round_amount( $recurring );
+function wpinv_get_billing_cycle($initial, $recurring, $period, $interval, $bill_times, $trial_period = '', $trial_interval = 0, $currency = '') {
+    $initial_total      = wpinv_round_amount($initial);
+    $recurring_total    = wpinv_round_amount($recurring);
     
-    if ( $trial_interval > 0 && !empty( $trial_period ) ) {
+    if ($trial_interval > 0 && !empty($trial_period)) {
         // Free trial
     } else {
-        if ( $bill_times == 1 ) {
+        if ($bill_times == 1) {
             $recurring_total = $initial_total;
-        } else if ( $bill_times > 1 && $initial_total != $recurring_total ) {
+        } else if ($bill_times > 1 && $initial_total != $recurring_total) {
             $bill_times--;
         }
     }
     
-    $initial_amount     = wpinv_price( wpinv_format_amount( $initial_total ), $currency );
-    $recurring_amount   = wpinv_price( wpinv_format_amount( $recurring_total ), $currency );
+    $initial_amount     = wpinv_price(wpinv_format_amount($initial_total), $currency);
+    $recurring_amount   = wpinv_price(wpinv_format_amount($recurring_total), $currency);
     
-    $recurring          = wpinv_subscription_recurring_payment_desc( $recurring_amount, $period, $interval, $bill_times, $trial_period, $trial_interval );
+    $recurring          = wpinv_subscription_recurring_payment_desc($recurring_amount, $period, $interval, $bill_times, $trial_period, $trial_interval);
         
-    if ( $initial_total != $recurring_total ) {
-        $initial        = wpinv_subscription_initial_payment_desc( $initial_amount, $period, $interval, $trial_period, $trial_interval );
+    if ($initial_total != $recurring_total) {
+        $initial        = wpinv_subscription_initial_payment_desc($initial_amount, $period, $interval, $trial_period, $trial_interval);
         
-        $description    = wp_sprintf( __( '%s Then %s', 'invoicing' ), $initial, $recurring );
+        $description    = wp_sprintf(__('%s Then %s', 'invoicing'), $initial, $recurring);
     } else {
         $description    = $recurring;
     }
     
-    return apply_filters( 'wpinv_get_billing_cycle', $description, $initial, $recurring, $period, $interval, $bill_times, $trial_period, $trial_interval, $currency );
+    return apply_filters('wpinv_get_billing_cycle', $description, $initial, $recurring, $period, $interval, $bill_times, $trial_period, $trial_interval, $currency);
 }
 
-function wpinv_recurring_send_payment_failed( $invoice ) {
-    if ( !empty( $invoice->ID ) ) {
-        wpinv_failed_invoice_notification( $invoice->ID );
+function wpinv_recurring_send_payment_failed($invoice) {
+    if (!empty($invoice->ID)) {
+        wpinv_failed_invoice_notification($invoice->ID);
     }
 }
-add_action( 'wpinv_recurring_payment_failed', 'wpinv_recurring_send_payment_failed', 10, 1 );
\ No newline at end of file
+add_action('wpinv_recurring_payment_failed', 'wpinv_recurring_send_payment_failed', 10, 1);
\ No newline at end of file

templates/emails/wpinv-email-invoice-items.php

Spacing +67 added lines, -67 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 // don't load directly
-if ( !defined('ABSPATH') )
+if (!defined('ABSPATH'))
     die('-1');
 
 global $wpinv_euvat, $ajax_cart_details;
@@ -11,152 +11,152 @@ 
 $quantities_enabled = wpinv_item_quantities_enabled();
 $use_taxes          = wpinv_use_taxes();
 $zero_tax           = !(float)$invoice->get_tax() > 0 ? true : false;
-$tax_label          = $use_taxes && $invoice->has_vat() ? $wpinv_euvat->get_vat_name() : __( 'Tax', 'invoicing' );
-$tax_title          = !$zero_tax && $use_taxes ? ( wpinv_prices_include_tax() ? wp_sprintf( __( '(%s Incl.)', 'invoicing' ), $tax_label ) : wp_sprintf( __( '(%s Excl.)', 'invoicing' ), $tax_label ) ) : '';
+$tax_label          = $use_taxes && $invoice->has_vat() ? $wpinv_euvat->get_vat_name() : __('Tax', 'invoicing');
+$tax_title          = !$zero_tax && $use_taxes ? (wpinv_prices_include_tax() ? wp_sprintf(__('(%s Incl.)', 'invoicing'), $tax_label) : wp_sprintf(__('(%s Excl.)', 'invoicing'), $tax_label)) : '';
 
-do_action( 'wpinv_before_email_items', $invoice ); ?>
+do_action('wpinv_before_email_items', $invoice); ?>
 <div id="wpinv-email-items">
-    <h3 class="wpinv-items-t"><?php echo apply_filters( 'wpinv_email_items_title', __( 'Items', 'invoicing' ) ); ?></h3>
+    <h3 class="wpinv-items-t"><?php echo apply_filters('wpinv_email_items_title', __('Items', 'invoicing')); ?></h3>
     <table id="wpinv_checkout_cart" class="table table-bordered table-hover">
         <thead>
             <tr class="wpinv_cart_header_row">
-                <?php do_action( 'wpinv_email_items_table_header_first' ); ?>
-                <th class="wpinv_cart_item_name text-left"><?php _e( 'Item Name', 'invoicing' ); ?></th>
-                <th class="wpinv_cart_item_price text-right"><?php _e( 'Item Price', 'invoicing' ); ?></th>
-                <?php if ( $quantities_enabled ) { ?>
-                <th class="wpinv_cart_item_qty text-right"><?php _e( 'Qty', 'invoicing' ); ?></th>
+                <?php do_action('wpinv_email_items_table_header_first'); ?>
+                <th class="wpinv_cart_item_name text-left"><?php _e('Item Name', 'invoicing'); ?></th>
+                <th class="wpinv_cart_item_price text-right"><?php _e('Item Price', 'invoicing'); ?></th>
+                <?php if ($quantities_enabled) { ?>
+                <th class="wpinv_cart_item_qty text-right"><?php _e('Qty', 'invoicing'); ?></th>
                 <?php } ?>
-                <?php if ( !$zero_tax && $use_taxes ) { ?>
+                <?php if (!$zero_tax && $use_taxes) { ?>
                 <th class="wpinv_cart_item_tax text-right"><?php echo $tax_label . ' <span class="normal small">(%)</span>'; ?></th>
                 <?php } ?>
-                <th class="wpinv_cart_item_subtotal text-right"><?php echo __( 'Item Total', 'invoicing' ) . ' <span class="normal small">' . $tax_title . '<span>'; ?></th>
-                <?php do_action( 'wpinv_email_items_table_header_last' ); ?>
+                <th class="wpinv_cart_item_subtotal text-right"><?php echo __('Item Total', 'invoicing') . ' <span class="normal small">' . $tax_title . '<span>'; ?></th>
+                <?php do_action('wpinv_email_items_table_header_last'); ?>
             </tr>
         </thead>
         <tbody>
             <?php
-                do_action( 'wpinv_email_items_before' );
-                if ( $cart_items ) {
-                    foreach ( $cart_items as $key => $item ) {
-                        $wpi_item = $item['id'] ? new WPInv_Item( $item['id'] ) : NULL;
+                do_action('wpinv_email_items_before');
+                if ($cart_items) {
+                    foreach ($cart_items as $key => $item) {
+                        $wpi_item = $item['id'] ? new WPInv_Item($item['id']) : NULL;
                     ?>
-                    <tr class="wpinv_cart_item" id="wpinv_cart_item_<?php echo esc_attr( $key ) . '_' . esc_attr( $item['id'] ); ?>" data-item-id="<?php echo esc_attr( $item['id'] ); ?>">
-                        <?php do_action( 'wpinv_email_items_table_body_first', $item ); ?>
+                    <tr class="wpinv_cart_item" id="wpinv_cart_item_<?php echo esc_attr($key) . '_' . esc_attr($item['id']); ?>" data-item-id="<?php echo esc_attr($item['id']); ?>">
+                        <?php do_action('wpinv_email_items_table_body_first', $item); ?>
                         <td class="wpinv_cart_item_name text-left">
                             <?php
-                                if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $item['id'] ) ) {
+                                if (current_theme_supports('post-thumbnails') && has_post_thumbnail($item['id'])) {
                                     echo '<div class="wpinv_cart_item_image">';
-                                        echo get_the_post_thumbnail( $item['id'], apply_filters( 'wpinv_checkout_image_size', array( 25,25 ) ) );
+                                        echo get_the_post_thumbnail($item['id'], apply_filters('wpinv_checkout_image_size', array(25, 25)));
                                     echo '</div>';
                                 }
-                                $item_title = esc_html( wpinv_get_cart_item_name( $item ) ) . wpinv_get_item_suffix( $wpi_item );
+                                $item_title = esc_html(wpinv_get_cart_item_name($item)) . wpinv_get_item_suffix($wpi_item);
                                 echo '<span class="wpinv_email_cart_item_title">' . $item_title . '</span>';
                                 
-                                $summary = apply_filters( 'wpinv_email_invoice_line_item_summary', '', $item, $wpi_item, $invoice );
-                                if ( !empty( $summary ) ) {
+                                $summary = apply_filters('wpinv_email_invoice_line_item_summary', '', $item, $wpi_item, $invoice);
+                                if (!empty($summary)) {
                                     echo '<p class="small">' . $summary . '</p>';
                                 }
     
-                                do_action( 'wpinv_email_cart_item_title_after', $item, $key );
+                                do_action('wpinv_email_cart_item_title_after', $item, $key);
                             ?>
                         </td>
                         <td class="wpinv_cart_item_price text-right">
                             <?php 
-                            echo wpinv_cart_item_price( $item );
-                            do_action( 'wpinv_email_cart_item_price_after', $item, $key );
+                            echo wpinv_cart_item_price($item);
+                            do_action('wpinv_email_cart_item_price_after', $item, $key);
                             ?>
                         </td>
-                        <?php if ( $quantities_enabled ) { ?>
+                        <?php if ($quantities_enabled) { ?>
                         <td class="wpinv_cart_item_qty text-right">
                             <?php
-                            echo wpinv_get_cart_item_quantity( $item );
-                            do_action( 'wpinv_email_item_quantitiy', $item, $key );
+                            echo wpinv_get_cart_item_quantity($item);
+                            do_action('wpinv_email_item_quantitiy', $item, $key);
                             ?>
                         </td>
                         <?php } ?>
-                        <?php if ( !$zero_tax && $use_taxes ) { ?>
+                        <?php if (!$zero_tax && $use_taxes) { ?>
                         <td class="wpinv_cart_item_tax text-right">
                             <?php
-                            echo wpinv_cart_item_tax( $item );
-                            do_action( 'wpinv_email_item_tax', $item, $key );
+                            echo wpinv_cart_item_tax($item);
+                            do_action('wpinv_email_item_tax', $item, $key);
                             ?>
                         </td>
                         <?php } ?>
                         <td class="wpinv_cart_item_subtotal text-right">
                             <?php
-                            echo wpinv_cart_item_subtotal( $item );
-                            do_action( 'wpinv_email_item_subtotal', $item, $key );
+                            echo wpinv_cart_item_subtotal($item);
+                            do_action('wpinv_email_item_subtotal', $item, $key);
                             ?>
                         </td>
-                        <?php do_action( 'wpinv_email_items_table_body_last', $item, $key ); ?>
+                        <?php do_action('wpinv_email_items_table_body_last', $item, $key); ?>
                     </tr>
                 <?php } ?>
             <?php } ?>
-            <?php do_action( 'wpinv_email_items_middle' ); ?>
-            <?php do_action( 'wpinv_email_items_after' ); ?>
+            <?php do_action('wpinv_email_items_middle'); ?>
+            <?php do_action('wpinv_email_items_after'); ?>
         </tbody>
         <tfoot>
-            <?php $cart_columns = wpinv_checkout_cart_columns(); if ( $zero_tax && $use_taxes ) { $cart_columns--; } ?>
-            <?php if ( has_action( 'wpinv_email_footer_buttons' ) ) { ?>
+            <?php $cart_columns = wpinv_checkout_cart_columns(); if ($zero_tax && $use_taxes) { $cart_columns--; } ?>
+            <?php if (has_action('wpinv_email_footer_buttons')) { ?>
                 <tr class="wpinv_cart_footer_row">
-                    <?php do_action( 'wpinv_email_items_table_buttons_first', $cart_items ); ?>
-                    <td colspan="<?php echo ( $cart_columns ); ?>">
-                        <?php do_action( 'wpinv_email_footer_buttons' ); ?>
+                    <?php do_action('wpinv_email_items_table_buttons_first', $cart_items); ?>
+                    <td colspan="<?php echo ($cart_columns); ?>">
+                        <?php do_action('wpinv_email_footer_buttons'); ?>
                     </td>
-                    <?php do_action( 'wpinv_email_items_table_buttons_first', $cart_items ); ?>
+                    <?php do_action('wpinv_email_items_table_buttons_first', $cart_items); ?>
                 </tr>
             <?php } ?>
 
-            <?php if ( !$zero_tax && $use_taxes && !wpinv_prices_include_tax() && wpinv_is_cart_taxed() ) { ?>
+            <?php if (!$zero_tax && $use_taxes && !wpinv_prices_include_tax() && wpinv_is_cart_taxed()) { ?>
                 <tr class="wpinv_cart_footer_row wpinv_cart_subtotal_row">
-                    <?php do_action( 'wpinv_email_items_table_subtotal_first', $cart_items ); ?>
-                    <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_subtotal_label text-right">
-                        <strong><?php _e( 'Sub-Total', 'invoicing' ); ?>:</strong>
+                    <?php do_action('wpinv_email_items_table_subtotal_first', $cart_items); ?>
+                    <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_subtotal_label text-right">
+                        <strong><?php _e('Sub-Total', 'invoicing'); ?>:</strong>
                     </td>
                     <td class="wpinv_cart_subtotal text-right">
-                        <span class="wpinv_cart_subtotal_amount bold"><?php echo $invoice->get_subtotal( true ); ?></span>
+                        <span class="wpinv_cart_subtotal_amount bold"><?php echo $invoice->get_subtotal(true); ?></span>
                     </td>
-                    <?php do_action( 'wpinv_email_items_table_subtotal_last', $cart_items, $invoice ); ?>
+                    <?php do_action('wpinv_email_items_table_subtotal_last', $cart_items, $invoice); ?>
                 </tr>
             <?php } ?>
             
-            <?php if ( wpinv_discount( $invoice_id, false ) > 0 ) { ?>
+            <?php if (wpinv_discount($invoice_id, false) > 0) { ?>
                 <tr class="wpinv_cart_footer_row wpinv_cart_discount_row">
-                    <?php do_action( 'wpinv_receipt_items_table_discount_first', $cart_items, $invoice ); ?>
-                    <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_discount_label text-right">
-                        <strong><?php wpinv_get_discount_label( wpinv_discount_code( $invoice_id ) ); ?>:</strong>
+                    <?php do_action('wpinv_receipt_items_table_discount_first', $cart_items, $invoice); ?>
+                    <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_discount_label text-right">
+                        <strong><?php wpinv_get_discount_label(wpinv_discount_code($invoice_id)); ?>:</strong>
                     </td>
                     <td class="wpinv_cart_discount text-right">
-                        <span class="wpinv_cart_discount_amount"><?php echo wpinv_discount( $invoice_id, true, true ); ?></span>
+                        <span class="wpinv_cart_discount_amount"><?php echo wpinv_discount($invoice_id, true, true); ?></span>
                     </td>
-                    <?php do_action( 'wpinv_receipt_items_table_discount_last', $cart_items, $invoice ); ?>
+                    <?php do_action('wpinv_receipt_items_table_discount_last', $cart_items, $invoice); ?>
                 </tr>
             <?php } ?>
 
-            <?php if ( !$zero_tax && $use_taxes && wpinv_is_cart_taxed() ) { ?>
+            <?php if (!$zero_tax && $use_taxes && wpinv_is_cart_taxed()) { ?>
                 <tr class="wpinv_cart_footer_row wpinv_cart_tax_row">
-                    <?php do_action( 'wpinv_email_items_table_tax_first', $cart_items, $invoice ); ?>
-                    <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_tax_label text-right">
+                    <?php do_action('wpinv_email_items_table_tax_first', $cart_items, $invoice); ?>
+                    <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_tax_label text-right">
                         <strong><?php echo $tax_label; ?>:</strong>
                     </td>
                     <td class="wpinv_cart_tax text-right">
-                        <span class="wpinv_cart_tax_amount"><?php echo $invoice->get_tax( true ); ?></span>
+                        <span class="wpinv_cart_tax_amount"><?php echo $invoice->get_tax(true); ?></span>
                     </td>
-                    <?php do_action( 'wpinv_email_items_table_tax_last', $cart_items, $invoice ); ?>
+                    <?php do_action('wpinv_email_items_table_tax_last', $cart_items, $invoice); ?>
                 </tr>
             <?php } ?>
 
             <tr class="wpinv_cart_footer_row">
-                <?php do_action( 'wpinv_email_items_table_footer_first', $cart_items, $invoice ); ?>
-                <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_total_label text-right">
-                    <?php echo apply_filters( 'wpinv_email_cart_total_label', '<strong>' . __( 'Total', 'invoicing' ) . ':</strong>', $invoice ); ?>
+                <?php do_action('wpinv_email_items_table_footer_first', $cart_items, $invoice); ?>
+                <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_total_label text-right">
+                    <?php echo apply_filters('wpinv_email_cart_total_label', '<strong>' . __('Total', 'invoicing') . ':</strong>', $invoice); ?>
                 </td>
                 <td class="wpinv_cart_total text-right">
-                    <span class="wpinv_cart_amount bold"><?php echo $invoice->get_total( true ); ?></span>
+                    <span class="wpinv_cart_amount bold"><?php echo $invoice->get_total(true); ?></span>
                 </td>
-                <?php do_action( 'wpinv_email_items_table_footer_last', $cart_items, $invoice ); ?>
+                <?php do_action('wpinv_email_items_table_footer_last', $cart_items, $invoice); ?>
             </tr>
         </tfoot>
     </table>
 </div>
-<?php do_action( 'wpinv_after_email_items', $invoice ); ?>
\ No newline at end of file
+<?php do_action('wpinv_after_email_items', $invoice); ?>
\ No newline at end of file

templates/wpinv-checkout-cart.php

Spacing +58 added lines, -58 removed lines

@@ -5,138 +5,138 @@
 
 global $wpinv_euvat, $post, $ajax_cart_details, $wpi_cart_columns, $wpi_session;
 $invoice            = wpinv_get_invoice_cart();
-$cart_items         = !empty( $ajax_cart_details ) ? $ajax_cart_details : wpinv_get_cart_content_details();
+$cart_items         = !empty($ajax_cart_details) ? $ajax_cart_details : wpinv_get_cart_content_details();
 $quantities_enabled = wpinv_item_quantities_enabled();
 $use_taxes          = wpinv_use_taxes();
 $tax_label          = $wpinv_euvat->tax_label();
-$tax_title          = $use_taxes ? ( wpinv_prices_include_tax() ? wp_sprintf( __( '(%s Incl.)', 'invoicing' ), $tax_label ) : wp_sprintf( __( '(%s Excl.)', 'invoicing' ), $tax_label ) ) : '';
+$tax_title          = $use_taxes ? (wpinv_prices_include_tax() ? wp_sprintf(__('(%s Incl.)', 'invoicing'), $tax_label) : wp_sprintf(__('(%s Excl.)', 'invoicing'), $tax_label)) : '';
 ?>
 <table id="wpinv_checkout_cart" class="table table-bordered table-hover">
     <thead>
         <tr class="wpinv_cart_header_row">
-            <?php do_action( 'wpinv_checkout_table_header_first' ); ?>
-            <th class="wpinv_cart_item_name text-left"><?php _e( 'Item Name', 'invoicing' ); ?></th>
-            <th class="wpinv_cart_item_price text-right"><?php _e( 'Item Price', 'invoicing' ); ?></th>
-            <?php if ( $quantities_enabled ) { ?>
-            <th class="wpinv_cart_item_qty text-right"><?php _e( 'Qty', 'invoicing' ); ?></th>
+            <?php do_action('wpinv_checkout_table_header_first'); ?>
+            <th class="wpinv_cart_item_name text-left"><?php _e('Item Name', 'invoicing'); ?></th>
+            <th class="wpinv_cart_item_price text-right"><?php _e('Item Price', 'invoicing'); ?></th>
+            <?php if ($quantities_enabled) { ?>
+            <th class="wpinv_cart_item_qty text-right"><?php _e('Qty', 'invoicing'); ?></th>
             <?php } ?>
-            <?php if ( $use_taxes ) { ?>
+            <?php if ($use_taxes) { ?>
             <th class="wpinv_cart_item_tax text-right"><?php echo $tax_label . ' <span class="normal small">(%)</span>'; ?></th>
             <?php } ?>
-            <th class="wpinv_cart_item_subtotal text-right"><?php echo __( 'Item Total', 'invoicing' ) . ' <span class="normal small">' . $tax_title . '<span>'; ?></th>
-            <?php do_action( 'wpinv_checkout_table_header_last' ); ?>
+            <th class="wpinv_cart_item_subtotal text-right"><?php echo __('Item Total', 'invoicing') . ' <span class="normal small">' . $tax_title . '<span>'; ?></th>
+            <?php do_action('wpinv_checkout_table_header_last'); ?>
         </tr>
     </thead>
     <tbody>
         <?php
-            do_action( 'wpinv_cart_items_before' );
+            do_action('wpinv_cart_items_before');
             
-            if ( $cart_items ) {
-                foreach ( $cart_items as $key => $item ) {
-                    $wpi_item = !empty( $item['id'] ) ? new WPInv_Item( $item['id'] ) : NULL;
+            if ($cart_items) {
+                foreach ($cart_items as $key => $item) {
+                    $wpi_item = !empty($item['id']) ? new WPInv_Item($item['id']) : NULL;
                 ?>
-                <tr class="wpinv_cart_item" id="wpinv_cart_item_<?php echo esc_attr( $key ) . '_' . esc_attr( $item['id'] ); ?>" data-item-id="<?php echo esc_attr( $item['id'] ); ?>">
-                    <?php do_action( 'wpinv_checkout_table_body_first', $item ); ?>
+                <tr class="wpinv_cart_item" id="wpinv_cart_item_<?php echo esc_attr($key) . '_' . esc_attr($item['id']); ?>" data-item-id="<?php echo esc_attr($item['id']); ?>">
+                    <?php do_action('wpinv_checkout_table_body_first', $item); ?>
                     <td class="wpinv_cart_item_name text-left">
                         <?php
-                            if ( current_theme_supports( 'post-thumbnails' ) && has_post_thumbnail( $item['id'] ) ) {
+                            if (current_theme_supports('post-thumbnails') && has_post_thumbnail($item['id'])) {
                                 echo '<div class="wpinv_cart_item_image">';
-                                    echo get_the_post_thumbnail( $item['id'], apply_filters( 'wpinv_checkout_image_size', array( 25,25 ) ) );
+                                    echo get_the_post_thumbnail($item['id'], apply_filters('wpinv_checkout_image_size', array(25, 25)));
                                 echo '</div>';
                             }
-                            $item_title = esc_html( wpinv_get_cart_item_name( $item ) ) . wpinv_get_item_suffix( $wpi_item );
+                            $item_title = esc_html(wpinv_get_cart_item_name($item)) . wpinv_get_item_suffix($wpi_item);
                             echo '<span class="wpinv_checkout_cart_item_title">' . $item_title . '</span>';
-                            $summary = apply_filters( 'wpinv_checkout_cart_line_item_summary', '', $item, $wpi_item, $invoice );
-                            if ( !empty( $summary ) ) {
+                            $summary = apply_filters('wpinv_checkout_cart_line_item_summary', '', $item, $wpi_item, $invoice);
+                            if (!empty($summary)) {
                                 echo $summary;
                             }
                         ?>
                     </td>
                     <td class="wpinv_cart_item_price text-right">
                         <?php 
-                        echo wpinv_cart_item_price( $item );
-                        do_action( 'wpinv_checkout_cart_item_price_after', $item, $key );
+                        echo wpinv_cart_item_price($item);
+                        do_action('wpinv_checkout_cart_item_price_after', $item, $key);
                         ?>
                     </td>
-                    <?php if ( $quantities_enabled ) { ?>
+                    <?php if ($quantities_enabled) { ?>
                     <td class="wpinv_cart_item_qty text-right">
                         <?php
-                        echo wpinv_get_cart_item_quantity( $item );
-                        do_action( 'wpinv_cart_item_quantitiy', $item, $key );
+                        echo wpinv_get_cart_item_quantity($item);
+                        do_action('wpinv_cart_item_quantitiy', $item, $key);
                         ?>
                     </td>
                     <?php } ?>
-                    <?php if ( $use_taxes ) { ?>
+                    <?php if ($use_taxes) { ?>
                     <td class="wpinv_cart_item_tax text-right">
                         <?php
-                        echo wpinv_cart_item_tax( $item );
+                        echo wpinv_cart_item_tax($item);
                         //echo wpinv_get_cart_item_tax( $wpi_item->ID, $subtotal = '', $options = array() );
-                        do_action( 'wpinv_cart_item_tax', $item, $key );
+                        do_action('wpinv_cart_item_tax', $item, $key);
                         ?>
                     </td>
                     <?php } ?>
                     <td class="wpinv_cart_item_subtotal text-right">
                         <?php
-                        echo wpinv_cart_item_subtotal( $item );
-                        do_action( 'wpinv_cart_item_subtotal', $item, $key );
+                        echo wpinv_cart_item_subtotal($item);
+                        do_action('wpinv_cart_item_subtotal', $item, $key);
                         ?>
                     </td>
-                    <?php do_action( 'wpinv_checkout_table_body_last', $item, $key ); ?>
+                    <?php do_action('wpinv_checkout_table_body_last', $item, $key); ?>
                 </tr>
             <?php } ?>
         <?php } ?>
-        <?php do_action( 'wpinv_cart_items_middle' ); ?>
-        <?php do_action( 'wpinv_cart_items_after' ); ?>
+        <?php do_action('wpinv_cart_items_middle'); ?>
+        <?php do_action('wpinv_cart_items_after'); ?>
     </tbody>
     <tfoot>
         <?php $cart_columns = wpinv_checkout_cart_columns(); ?>
-        <?php if ( has_action( 'wpinv_cart_footer_buttons' ) ) { ?>
+        <?php if (has_action('wpinv_cart_footer_buttons')) { ?>
             <tr class="wpinv_cart_footer_row">
-                <?php do_action( 'wpinv_checkout_table_buttons_first', $cart_items ); ?>
-                <td colspan="<?php echo ( $cart_columns ); ?>">
-                    <?php do_action( 'wpinv_cart_footer_buttons' ); ?>
+                <?php do_action('wpinv_checkout_table_buttons_first', $cart_items); ?>
+                <td colspan="<?php echo ($cart_columns); ?>">
+                    <?php do_action('wpinv_cart_footer_buttons'); ?>
                 </td>
-                <?php do_action( 'wpinv_checkout_table_buttons_first', $cart_items ); ?>
+                <?php do_action('wpinv_checkout_table_buttons_first', $cart_items); ?>
             </tr>
         <?php } ?>
 
-        <?php if ( $use_taxes && !wpinv_prices_include_tax() ) { ?>
-            <tr class="wpinv_cart_footer_row wpinv_cart_subtotal_row"<?php if ( !wpinv_is_cart_taxed() ) echo ' style="display:none;"'; ?>>
-                <?php do_action( 'wpinv_checkout_table_subtotal_first', $cart_items ); ?>
-                <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_subtotal_label text-right">
-                    <strong><?php _e( 'Sub-Total', 'invoicing' ); ?>:</strong>
+        <?php if ($use_taxes && !wpinv_prices_include_tax()) { ?>
+            <tr class="wpinv_cart_footer_row wpinv_cart_subtotal_row"<?php if (!wpinv_is_cart_taxed()) echo ' style="display:none;"'; ?>>
+                <?php do_action('wpinv_checkout_table_subtotal_first', $cart_items); ?>
+                <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_subtotal_label text-right">
+                    <strong><?php _e('Sub-Total', 'invoicing'); ?>:</strong>
                 </td>
                 <td class="wpinv_cart_subtotal text-right">
-                    <span class="wpinv_cart_subtotal_amount bold"><?php echo wpinv_cart_subtotal( $cart_items ); ?></span>
+                    <span class="wpinv_cart_subtotal_amount bold"><?php echo wpinv_cart_subtotal($cart_items); ?></span>
                 </td>
-                <?php do_action( 'wpinv_checkout_table_subtotal_last', $cart_items ); ?>
+                <?php do_action('wpinv_checkout_table_subtotal_last', $cart_items); ?>
             </tr>
         <?php } ?>
         
-        <?php $wpi_cart_columns = $cart_columns - 1; wpinv_cart_discounts_html( $cart_items ); ?>
+        <?php $wpi_cart_columns = $cart_columns - 1; wpinv_cart_discounts_html($cart_items); ?>
 
-        <?php if ( $use_taxes ) { ?>
-            <tr class="wpinv_cart_footer_row wpinv_cart_tax_row"<?php if( !wpinv_is_cart_taxed() ) echo ' style="display:none;"'; ?>>
-                <?php do_action( 'wpinv_checkout_table_tax_first' ); ?>
-                <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_tax_label text-right">
+        <?php if ($use_taxes) { ?>
+            <tr class="wpinv_cart_footer_row wpinv_cart_tax_row"<?php if (!wpinv_is_cart_taxed()) echo ' style="display:none;"'; ?>>
+                <?php do_action('wpinv_checkout_table_tax_first'); ?>
+                <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_tax_label text-right">
                     <strong><?php echo $tax_label; ?>:</strong>
                 </td>
                 <td class="wpinv_cart_tax text-right">
-                    <span class="wpinv_cart_tax_amount" data-tax="<?php echo wpinv_get_cart_tax( $cart_items ); ?>"><?php echo esc_html( wpinv_cart_tax( $cart_items ) ); ?></span>
+                    <span class="wpinv_cart_tax_amount" data-tax="<?php echo wpinv_get_cart_tax($cart_items); ?>"><?php echo esc_html(wpinv_cart_tax($cart_items)); ?></span>
                 </td>
-                <?php do_action( 'wpinv_checkout_table_tax_last' ); ?>
+                <?php do_action('wpinv_checkout_table_tax_last'); ?>
             </tr>
         <?php } ?>
 
         <tr class="wpinv_cart_footer_row wpinv_cart_total_row">
-            <?php do_action( 'wpinv_checkout_table_footer_first' ); ?>
-            <td colspan="<?php echo ( $cart_columns - 1 ); ?>" class="wpinv_cart_total_label text-right">
-                <?php echo apply_filters( 'wpinv_cart_total_label', '<strong>' . __( 'Total', 'invoicing' ) . ':</strong>', $invoice ); ?>
+            <?php do_action('wpinv_checkout_table_footer_first'); ?>
+            <td colspan="<?php echo ($cart_columns - 1); ?>" class="wpinv_cart_total_label text-right">
+                <?php echo apply_filters('wpinv_cart_total_label', '<strong>' . __('Total', 'invoicing') . ':</strong>', $invoice); ?>
             </td>
             <td class="wpinv_cart_total text-right">
-                <span class="wpinv_cart_amount bold" data-subtotal="<?php echo wpinv_get_cart_total( $cart_items ); ?>" data-total="<?php echo wpinv_get_cart_total( NULL, NULL, $invoice ); ?>"><?php wpinv_cart_total( $cart_items, true, $invoice ); ?></span>
+                <span class="wpinv_cart_amount bold" data-subtotal="<?php echo wpinv_get_cart_total($cart_items); ?>" data-total="<?php echo wpinv_get_cart_total(NULL, NULL, $invoice); ?>"><?php wpinv_cart_total($cart_items, true, $invoice); ?></span>
             </td>
-            <?php do_action( 'wpinv_checkout_table_footer_last' ); ?>
+            <?php do_action('wpinv_checkout_table_footer_last'); ?>
         </tr>
     </tfoot>
 </table>

includes/class-wpinv-item.php

Spacing +125 added lines, -125 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
 class WPInv_Item {
     public $ID = 0;
@@ -47,26 +47,26 @@ 
     public $filter;
 
 
-    public function __construct( $_id = false, $_args = array() ) {
-        $item = WP_Post::get_instance( $_id );
-        return $this->setup_item( $item );
+    public function __construct($_id = false, $_args = array()) {
+        $item = WP_Post::get_instance($_id);
+        return $this->setup_item($item);
     }
 
-    private function setup_item( $item ) {
-        if( ! is_object( $item ) ) {
+    private function setup_item($item) {
+        if (!is_object($item)) {
             return false;
         }
 
-        if( ! is_a( $item, 'WP_Post' ) ) {
+        if (!is_a($item, 'WP_Post')) {
             return false;
         }
 
-        if( 'wpi_item' !== $item->post_type ) {
+        if ('wpi_item' !== $item->post_type) {
             return false;
         }
 
-        foreach ( $item as $key => $value ) {
-            switch ( $key ) {
+        foreach ($item as $key => $value) {
+            switch ($key) {
                 default:
                     $this->$key = $value;
                     break;
@@ -76,38 +76,38 @@ 
         return true;
     }
 
-    public function __get( $key ) {
-        if ( method_exists( $this, 'get_' . $key ) ) {
-            return call_user_func( array( $this, 'get_' . $key ) );
+    public function __get($key) {
+        if (method_exists($this, 'get_' . $key)) {
+            return call_user_func(array($this, 'get_' . $key));
         } else {
-            return new WP_Error( 'wpinv-item-invalid-property', sprintf( __( 'Can\'t get property %s', 'invoicing' ), $key ) );
+            return new WP_Error('wpinv-item-invalid-property', sprintf(__('Can\'t get property %s', 'invoicing'), $key));
         }
     }
 
-    public function create( $data = array(), $wp_error = false ) {
-        if ( $this->ID != 0 ) {
+    public function create($data = array(), $wp_error = false) {
+        if ($this->ID != 0) {
             return false;
         }
 
         $defaults = array(
             'post_type'   => 'wpi_item',
             'post_status' => 'draft',
-            'post_title'  => __( 'New Invoice Item', 'invoicing' )
+            'post_title'  => __('New Invoice Item', 'invoicing')
         );
 
-        $args = wp_parse_args( $data, $defaults );
+        $args = wp_parse_args($data, $defaults);
 
-        do_action( 'wpinv_item_pre_create', $args );
+        do_action('wpinv_item_pre_create', $args);
 
-        $id = wp_insert_post( $args, $wp_error );
+        $id = wp_insert_post($args, $wp_error);
         if ($wp_error && is_wp_error($id)) {
             return $id;
         }
-        if ( !$id ) {
+        if (!$id) {
             return false;
         }
         
-        $item = WP_Post::get_instance( $id );
+        $item = WP_Post::get_instance($id);
         
         if (!empty($item) && !empty($data['meta'])) {
             $this->ID = $item->ID;
@@ -115,47 +115,47 @@ 
         }
         
         // Set custom id if not set.
-        if ( empty( $data['meta']['custom_id'] ) && !$this->get_custom_id() ) {
-            $this->save_metas( array( 'custom_id' => $id ) );
+        if (empty($data['meta']['custom_id']) && !$this->get_custom_id()) {
+            $this->save_metas(array('custom_id' => $id));
         }
 
-        do_action( 'wpinv_item_create', $id, $args );
+        do_action('wpinv_item_create', $id, $args);
 
-        return $this->setup_item( $item );
+        return $this->setup_item($item);
     }
     
-    public function update( $data = array(), $wp_error = false ) {
-        if ( !$this->ID > 0 ) {
+    public function update($data = array(), $wp_error = false) {
+        if (!$this->ID > 0) {
             return false;
         }
         
         $data['ID'] = $this->ID;
 
-        do_action( 'wpinv_item_pre_update', $data );
+        do_action('wpinv_item_pre_update', $data);
         
-        $id = wp_update_post( $data, $wp_error );
+        $id = wp_update_post($data, $wp_error);
         if ($wp_error && is_wp_error($id)) {
             return $id;
         }
         
-        if ( !$id ) {
+        if (!$id) {
             return false;
         }
 
-        $item = WP_Post::get_instance( $id );
+        $item = WP_Post::get_instance($id);
         if (!empty($item) && !empty($data['meta'])) {
             $this->ID = $item->ID;
             $this->save_metas($data['meta']);
         }
         
         // Set custom id if not set.
-        if ( empty( $data['meta']['custom_id'] ) && !$this->get_custom_id() ) {
-            $this->save_metas( array( 'custom_id' => $id ) );
+        if (empty($data['meta']['custom_id']) && !$this->get_custom_id()) {
+            $this->save_metas(array('custom_id' => $id));
         }
 
-        do_action( 'wpinv_item_update', $id, $data );
+        do_action('wpinv_item_update', $id, $data);
 
-        return $this->setup_item( $item );
+        return $this->setup_item($item);
     }
 
     public function get_ID() {
@@ -163,119 +163,119 @@ 
     }
 
     public function get_name() {
-        return get_the_title( $this->ID );
+        return get_the_title($this->ID);
     }
     
     public function get_title() {
-        return get_the_title( $this->ID );
+        return get_the_title($this->ID);
     }
     
     public function get_status() {
-        return get_post_status( $this->ID );
+        return get_post_status($this->ID);
     }
     
     public function get_summary() {
-        return get_the_excerpt( $this->ID );
+        return get_the_excerpt($this->ID);
     }
 
     public function get_price() {
-        if ( ! isset( $this->price ) ) {
-            $this->price = get_post_meta( $this->ID, '_wpinv_price', true );
+        if (!isset($this->price)) {
+            $this->price = get_post_meta($this->ID, '_wpinv_price', true);
             
-            if ( $this->price ) {
-                $this->price = wpinv_sanitize_amount( $this->price );
+            if ($this->price) {
+                $this->price = wpinv_sanitize_amount($this->price);
             } else {
                 $this->price = 0;
             }
         }
         
-        return apply_filters( 'wpinv_get_item_price', $this->price, $this->ID );
+        return apply_filters('wpinv_get_item_price', $this->price, $this->ID);
     }
     
     public function get_vat_rule() {
         global $wpinv_euvat;
         
-        if( !isset( $this->vat_rule ) ) {
-            $this->vat_rule = get_post_meta( $this->ID, '_wpinv_vat_rule', true );
+        if (!isset($this->vat_rule)) {
+            $this->vat_rule = get_post_meta($this->ID, '_wpinv_vat_rule', true);
 
-            if ( empty( $this->vat_rule ) ) {        
+            if (empty($this->vat_rule)) {        
                 $this->vat_rule = $wpinv_euvat->allow_vat_rules() ? 'digital' : 'physical';
             }
         }
         
-        return apply_filters( 'wpinv_get_item_vat_rule', $this->vat_rule, $this->ID );
+        return apply_filters('wpinv_get_item_vat_rule', $this->vat_rule, $this->ID);
     }
     
     public function get_vat_class() {
-        if( !isset( $this->vat_class ) ) {
-            $this->vat_class = get_post_meta( $this->ID, '_wpinv_vat_class', true );
+        if (!isset($this->vat_class)) {
+            $this->vat_class = get_post_meta($this->ID, '_wpinv_vat_class', true);
 
-            if ( empty( $this->vat_class ) ) {        
+            if (empty($this->vat_class)) {        
                 $this->vat_class = '_standard';
             }
         }
         
-        return apply_filters( 'wpinv_get_item_vat_class', $this->vat_class, $this->ID );
+        return apply_filters('wpinv_get_item_vat_class', $this->vat_class, $this->ID);
     }
 
     public function get_type() {
-        if( ! isset( $this->type ) ) {
-            $this->type = get_post_meta( $this->ID, '_wpinv_type', true );
+        if (!isset($this->type)) {
+            $this->type = get_post_meta($this->ID, '_wpinv_type', true);
 
-            if ( empty( $this->type ) ) {
+            if (empty($this->type)) {
                 $this->type = 'custom';
             }
         }
 
-        return apply_filters( 'wpinv_get_item_type', $this->type, $this->ID );
+        return apply_filters('wpinv_get_item_type', $this->type, $this->ID);
     }
     
     public function get_custom_id() {
-        $custom_id = get_post_meta( $this->ID, '_wpinv_custom_id', true );
+        $custom_id = get_post_meta($this->ID, '_wpinv_custom_id', true);
 
-        return apply_filters( 'wpinv_get_item_custom_id', $custom_id, $this->ID );
+        return apply_filters('wpinv_get_item_custom_id', $custom_id, $this->ID);
     }
     
     public function get_custom_name() {
-        $custom_name = get_post_meta( $this->ID, '_wpinv_custom_name', true );
+        $custom_name = get_post_meta($this->ID, '_wpinv_custom_name', true);
 
-        return apply_filters( 'wpinv_get_item_custom_name', $custom_name, $this->ID );
+        return apply_filters('wpinv_get_item_custom_name', $custom_name, $this->ID);
     }
     
     public function get_custom_singular_name() {
-        $custom_singular_name = get_post_meta( $this->ID, '_wpinv_custom_singular_name', true );
+        $custom_singular_name = get_post_meta($this->ID, '_wpinv_custom_singular_name', true);
 
-        return apply_filters( 'wpinv_get_item_custom_singular_name', $custom_singular_name, $this->ID );
+        return apply_filters('wpinv_get_item_custom_singular_name', $custom_singular_name, $this->ID);
     }
     
     public function get_editable() {
-        $editable = get_post_meta( $this->ID, '_wpinv_editable', true );
+        $editable = get_post_meta($this->ID, '_wpinv_editable', true);
 
-        return apply_filters( 'wpinv_item_get_editable', $editable, $this->ID );
+        return apply_filters('wpinv_item_get_editable', $editable, $this->ID);
     }
     
     public function get_excerpt() {
-        $excerpt = get_the_excerpt( $this->ID );
+        $excerpt = get_the_excerpt($this->ID);
         
-        return apply_filters( 'wpinv_item_get_excerpt', $excerpt, $this->ID );
+        return apply_filters('wpinv_item_get_excerpt', $excerpt, $this->ID);
     }
     
     public function get_is_recurring() {
-        $is_recurring = get_post_meta( $this->ID, '_wpinv_is_recurring', true );
+        $is_recurring = get_post_meta($this->ID, '_wpinv_is_recurring', true);
 
-        return apply_filters( 'wpinv_item_get_is_recurring', $is_recurring, $this->ID );
+        return apply_filters('wpinv_item_get_is_recurring', $is_recurring, $this->ID);
 
     }
     
-    public function get_recurring_period( $full = false ) {
-        $period = get_post_meta( $this->ID, '_wpinv_recurring_period', true );
+    public function get_recurring_period($full = false) {
+        $period = get_post_meta($this->ID, '_wpinv_recurring_period', true);
         
-        if ( !in_array( $period, array( 'D', 'W', 'M', 'Y' ) ) ) {
+        if (!in_array($period, array('D', 'W', 'M', 'Y'))) {
             $period = 'D';
         }
         
-        if ( $full ) {
-            switch( $period ) {
+        if ($full) {
+            switch ($period) {
                 case 'D':
                     $period = 'day';
                 break;
@@ -291,40 +291,40 @@ 
             }
         }
 
-        return apply_filters( 'wpinv_item_recurring_period', $period, $full, $this->ID );
+        return apply_filters('wpinv_item_recurring_period', $period, $full, $this->ID);
     }
     
     public function get_recurring_interval() {
-        $interval = (int)get_post_meta( $this->ID, '_wpinv_recurring_interval', true );
+        $interval = (int)get_post_meta($this->ID, '_wpinv_recurring_interval', true);
         
-        if ( !$interval > 0 ) {
+        if (!$interval > 0) {
             $interval = 1;
         }
 
-        return apply_filters( 'wpinv_item_recurring_interval', $interval, $this->ID );
+        return apply_filters('wpinv_item_recurring_interval', $interval, $this->ID);
     }
     
     public function get_recurring_limit() {
-        $limit = get_post_meta( $this->ID, '_wpinv_recurring_limit', true );
+        $limit = get_post_meta($this->ID, '_wpinv_recurring_limit', true);
 
-        return (int)apply_filters( 'wpinv_item_recurring_limit', $limit, $this->ID );
+        return (int)apply_filters('wpinv_item_recurring_limit', $limit, $this->ID);
     }
     
     public function get_free_trial() {
-        $free_trial = get_post_meta( $this->ID, '_wpinv_free_trial', true );
+        $free_trial = get_post_meta($this->ID, '_wpinv_free_trial', true);
 
-        return apply_filters( 'wpinv_item_get_free_trial', $free_trial, $this->ID );
+        return apply_filters('wpinv_item_get_free_trial', $free_trial, $this->ID);
     }
     
-    public function get_trial_period( $full = false ) {
-        $period = get_post_meta( $this->ID, '_wpinv_trial_period', true );
+    public function get_trial_period($full = false) {
+        $period = get_post_meta($this->ID, '_wpinv_trial_period', true);
         
-        if ( !in_array( $period, array( 'D', 'W', 'M', 'Y' ) ) ) {
+        if (!in_array($period, array('D', 'W', 'M', 'Y'))) {
             $period = 'D';
         }
         
-        if ( $full ) {
-            switch( $period ) {
+        if ($full) {
+            switch ($period) {
                 case 'D':
                     $period = 'day';
                 break;
@@ -340,47 +340,47 @@ 
             }
         }
 
-        return apply_filters( 'wpinv_item_trial_period', $period, $full, $this->ID );
+        return apply_filters('wpinv_item_trial_period', $period, $full, $this->ID);
     }
     
     public function get_trial_interval() {
-        $interval = absint( get_post_meta( $this->ID, '_wpinv_trial_interval', true ) );
+        $interval = absint(get_post_meta($this->ID, '_wpinv_trial_interval', true));
         
-        if ( !$interval > 0 ) {
+        if (!$interval > 0) {
             $interval = 1;
         }
 
-        return apply_filters( 'wpinv_item_trial_interval', $interval, $this->ID );
+        return apply_filters('wpinv_item_trial_interval', $interval, $this->ID);
     }
     
     public function get_the_price() {
-        $item_price = wpinv_price( wpinv_format_amount( $this->price ) );
+        $item_price = wpinv_price(wpinv_format_amount($this->price));
         
-        return apply_filters( 'wpinv_get_the_item_price', $item_price, $this->ID );
+        return apply_filters('wpinv_get_the_item_price', $item_price, $this->ID);
     }
     
     public function is_recurring() {
         $is_recurring = $this->get_is_recurring();
 
-        return (bool)apply_filters( 'wpinv_is_recurring_item', $is_recurring, $this->ID );
+        return (bool)apply_filters('wpinv_is_recurring_item', $is_recurring, $this->ID);
     }
     
     public function has_free_trial() {
         $free_trial = $this->is_recurring() && $this->get_free_trial() ? true : false;
 
-        return (bool)apply_filters( 'wpinv_item_has_free_trial', $free_trial, $this->ID );
+        return (bool)apply_filters('wpinv_item_has_free_trial', $free_trial, $this->ID);
     }
 
     public function is_free() {
         $is_free = false;
         
-        $price = get_post_meta( $this->ID, '_wpinv_price', true );
+        $price = get_post_meta($this->ID, '_wpinv_price', true);
 
-        if ( (float)$price == 0 ) {
+        if ((float)$price == 0) {
             $is_free = true;
         }
 
-        return (bool) apply_filters( 'wpinv_is_free_item', $is_free, $this->ID );
+        return (bool)apply_filters('wpinv_is_free_item', $is_free, $this->ID);
 
     }
     
@@ -389,15 +389,15 @@ 
 
         $is_editable = $editable === 0 || $editable === '0' ? false : true;
 
-        return (bool) apply_filters( 'wpinv_item_is_editable', $is_editable, $this->ID );
+        return (bool)apply_filters('wpinv_item_is_editable', $is_editable, $this->ID);
     }
     
-    public function save_metas( $metas = array() ) {
-        if ( empty( $metas ) ) {
+    public function save_metas($metas = array()) {
+        if (empty($metas)) {
             return false;
         }
         
-        foreach ( $metas as $meta_key => $meta_value ) {
+        foreach ($metas as $meta_key => $meta_value) {
             $meta_key = strpos($meta_key, '_wpinv_') !== 0 ? '_wpinv_' . $meta_key : $meta_key;
             
             $this->update_meta($meta_key, $meta_value);
@@ -406,66 +406,66 @@ 
         return true;
     }
 
-    public function update_meta( $meta_key = '', $meta_value = '', $prev_value = '' ) {
-        if ( empty( $meta_key ) ) {
+    public function update_meta($meta_key = '', $meta_value = '', $prev_value = '') {
+        if (empty($meta_key)) {
             return false;
         }
         
-        $meta_value = apply_filters( 'wpinv_update_item_meta_' . $meta_key, $meta_value, $this->ID );
+        $meta_value = apply_filters('wpinv_update_item_meta_' . $meta_key, $meta_value, $this->ID);
 
-        return update_post_meta( $this->ID, $meta_key, $meta_value, $prev_value );
+        return update_post_meta($this->ID, $meta_key, $meta_value, $prev_value);
     }
     
-    public function get_fees( $type = 'fee', $item_id = 0 ) {
+    public function get_fees($type = 'fee', $item_id = 0) {
         global $wpi_session;
         
-        $fees = $wpi_session->get( 'wpi_cart_fees' );
+        $fees = $wpi_session->get('wpi_cart_fees');
 
-        if ( ! wpinv_get_cart_contents() ) {
+        if (!wpinv_get_cart_contents()) {
             // We can only get item type fees when the cart is empty
             $type = 'custom';
         }
 
-        if ( ! empty( $fees ) && ! empty( $type ) && 'all' !== $type ) {
-            foreach( $fees as $key => $fee ) {
-                if( ! empty( $fee['type'] ) && $type != $fee['type'] ) {
-                    unset( $fees[ $key ] );
+        if (!empty($fees) && !empty($type) && 'all' !== $type) {
+            foreach ($fees as $key => $fee) {
+                if (!empty($fee['type']) && $type != $fee['type']) {
+                    unset($fees[$key]);
                 }
             }
         }
 
-        if ( ! empty( $fees ) && ! empty( $item_id ) ) {
+        if (!empty($fees) && !empty($item_id)) {
             // Remove fees that don't belong to the specified Item
-            foreach ( $fees as $key => $fee ) {
-                if ( (int) $item_id !== (int)$fee['custom_id'] ) {
-                    unset( $fees[ $key ] );
+            foreach ($fees as $key => $fee) {
+                if ((int)$item_id !== (int)$fee['custom_id']) {
+                    unset($fees[$key]);
                 }
             }
         }
 
-        if ( ! empty( $fees ) ) {
+        if (!empty($fees)) {
             // Remove fees that belong to a specific item but are not in the cart
-            foreach( $fees as $key => $fee ) {
-                if( empty( $fee['custom_id'] ) ) {
+            foreach ($fees as $key => $fee) {
+                if (empty($fee['custom_id'])) {
                     continue;
                 }
 
-                if ( !wpinv_item_in_cart( $fee['custom_id'] ) ) {
-                    unset( $fees[ $key ] );
+                if (!wpinv_item_in_cart($fee['custom_id'])) {
+                    unset($fees[$key]);
                 }
             }
         }
 
-        return ! empty( $fees ) ? $fees : array();
+        return !empty($fees) ? $fees : array();
     }
     
     public function can_purchase() {
         $can_purchase = true;
 
-        if ( !current_user_can( 'edit_post', $this->ID ) && $this->post_status != 'publish' ) {
+        if (!current_user_can('edit_post', $this->ID) && $this->post_status != 'publish') {
             $can_purchase = false;
         }
 
-        return (bool)apply_filters( 'wpinv_can_purchase_item', $can_purchase, $this );
+        return (bool)apply_filters('wpinv_can_purchase_item', $can_purchase, $this);
     }
 }