AyeCode / invoicing

templates/invoice/company-address.php

Spacing +15 added lines, -15 removed lines

@@ -7,17 +7,17 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Prepare the company name.
-$company_name = wpinv_get_option( 'vat_company_name' );
+$company_name = wpinv_get_option('vat_company_name');
 
-if ( empty( $company_name ) ) {
+if (empty($company_name)) {
     $company_name = wpinv_get_business_name();
 }
 
 // Prepare the VAT number.
-$vat_number = wpinv_get_option( 'vat_number' );
+$vat_number = wpinv_get_option('vat_number');
 
 ?>
     <div class="getpaid-company-address form-group">
@@ -25,36 +25,36 @@ 
         <div class="row">
 
             <div class="invoice-company-address-label col-2">
-                <strong><?php esc_html_e( 'From:', 'invoicing' ); ?></strong>
+                <strong><?php esc_html_e('From:', 'invoicing'); ?></strong>
             </div>
 
             <div class="invoice-company-address-value col-10">
 
-                <?php do_action( 'getpaid_company_address_top' ); ?>
+                <?php do_action('getpaid_company_address_top'); ?>
 
                 <div class="name">
-                    <a target="_blank" class="text-dark" href="<?php echo esc_url( wpinv_get_business_website() ); ?>">
-                        <?php echo esc_html( $company_name ); ?>
+                    <a target="_blank" class="text-dark" href="<?php echo esc_url(wpinv_get_business_website()); ?>">
+                        <?php echo esc_html($company_name); ?>
                     </a>
                 </div>
 
-                <?php if ( $address = wpinv_get_business_address() ) { ?>
-                    <?php echo wp_kses_post( $address ); ?>
+                <?php if ($address = wpinv_get_business_address()) { ?>
+                    <?php echo wp_kses_post($address); ?>
                 <?php } ?>
 
-                <?php if ( $email_from = wpinv_mail_get_from_address() ) { ?>
+                <?php if ($email_from = wpinv_mail_get_from_address()) { ?>
                     <div class="email_from">
-                        <?php echo wp_sprintf( __( 'Email: %s', 'invoicing' ), sanitize_email( $email_from ) ); ?>
+                        <?php echo wp_sprintf(__('Email: %s', 'invoicing'), sanitize_email($email_from)); ?>
                     </div>
                 <?php } ?>
 
-                <?php if ( ! empty( $vat_number ) ) { ?>
+                <?php if (!empty($vat_number)) { ?>
                     <div class="email_from">
-                        <?php echo wp_sprintf( __( 'VAT Number: %s', 'invoicing' ), esc_html( $vat_number ) ); ?>
+                        <?php echo wp_sprintf(__('VAT Number: %s', 'invoicing'), esc_html($vat_number)); ?>
                     </div>
                 <?php } ?>
 
-                <?php do_action( 'getpaid_company_address_bottom' ); ?>
+                <?php do_action('getpaid_company_address_bottom'); ?>
 
             </div>
 

templates/invoice/header-left-actions.php

Spacing +8 added lines, -8 removed lines

@@ -8,25 +8,25 @@
  * @var WPInv_Invoice $invoice
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
         <div class="getpaid-header-left-actions">
 
-            <?php if ( $invoice->is_type( 'invoice' ) && $invoice->needs_payment() && ! $invoice->is_held() ) : ?>
-                <a class="btn btn-sm btn-primary m-1 d-inline-block invoice-action-pay" href="<?php echo esc_url( $invoice->get_checkout_payment_url() ); ?>">
-                    <?php esc_html_e( 'Pay For Invoice', 'invoicing' ); ?>
+            <?php if ($invoice->is_type('invoice') && $invoice->needs_payment() && !$invoice->is_held()) : ?>
+                <a class="btn btn-sm btn-primary m-1 d-inline-block invoice-action-pay" href="<?php echo esc_url($invoice->get_checkout_payment_url()); ?>">
+                    <?php esc_html_e('Pay For Invoice', 'invoicing'); ?>
                 </a>
             <?php endif; ?>
 
-            <?php if ( $invoice->is_type( 'invoice' ) && $invoice->is_paid() ) : ?>
-                <a class="btn btn-sm btn-info m-1 d-inline-block invoice-action-receipt" href="<?php echo esc_url( $invoice->get_receipt_url() ); ?>">
-                    <?php esc_html_e( 'View Receipt', 'invoicing' ); ?>
+            <?php if ($invoice->is_type('invoice') && $invoice->is_paid()) : ?>
+                <a class="btn btn-sm btn-info m-1 d-inline-block invoice-action-receipt" href="<?php echo esc_url($invoice->get_receipt_url()); ?>">
+                    <?php esc_html_e('View Receipt', 'invoicing'); ?>
                 </a>
             <?php endif; ?>
 
-            <?php do_action( 'wpinv_invoice_display_left_actions', $invoice ); ?>
+            <?php do_action('wpinv_invoice_display_left_actions', $invoice); ?>
 
         </div>
 

templates/wpinv-invalid-access.php

Spacing +15 added lines, -15 removed lines

@@ -7,11 +7,11 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Fetch the invoice.
-if ( empty( $invoice ) ) {
-    $invoice = new WPInv_Invoice( $GLOBALS['post'] );
+if (empty($invoice)) {
+    $invoice = new WPInv_Invoice($GLOBALS['post']);
 }
 
 ?><!DOCTYPE html>
@@ -21,16 +21,16 @@ 
 
     <head>
 
-		<meta charset="<?php bloginfo( 'charset' ); ?>">
+		<meta charset="<?php bloginfo('charset'); ?>">
         <meta name="viewport" content="width=device-width, initial-scale=1.0" >
 
         <meta name="robots" content="noindex,nofollow">
 
 		<link rel="profile" href="https://gmpg.org/xfn/11">
 
-        <title><?php esc_html_e( 'Invalid Access', 'invoicing' ); ?></title>
+        <title><?php esc_html_e('Invalid Access', 'invoicing'); ?></title>
 
-        <?php do_action( 'wpinv_invoice_print_head', $invoice ); ?>
+        <?php do_action('wpinv_invoice_print_head', $invoice); ?>
 
     </head>
 
@@ -39,20 +39,20 @@ 
 
         <?php
 
-            if ( ! $invoice->exists() || $invoice->is_draft() ) {
-			$error = __( 'This invoice was deleted or is not visible.', 'invoicing' );
+            if (!$invoice->exists() || $invoice->is_draft()) {
+			$error = __('This invoice was deleted or is not visible.', 'invoicing');
             } else {
 
 			$user_id = get_current_user_id();
-			if ( wpinv_require_login_to_checkout() && empty( $user_id ) ) {
-				$error  = __( 'You must be logged in to view this invoice.', 'invoicing' );
+			if (wpinv_require_login_to_checkout() && empty($user_id)) {
+				$error  = __('You must be logged in to view this invoice.', 'invoicing');
 				$error .= sprintf(
 					' <a href="%s">%s</a>',
-					wp_login_url( $invoice->get_view_url() ),
-					__( 'Login.', 'invoicing' )
+					wp_login_url($invoice->get_view_url()),
+					__('Login.', 'invoicing')
 				);
 			} else {
-				$error = __( 'This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing' );
+				$error = __('This invoice is only viewable by clicking on the invoice link that was sent to you via email.', 'invoicing');
                 }
 }
 
@@ -60,8 +60,8 @@ 
 
         <div class="container">
             <div class="alert alert-danger m-5" role="alert">
-                <h4 class="alert-heading"><?php esc_html_e( 'Access Denied', 'invoicing' ); ?></h4>
-                <p><?php echo wp_kses_post( $error ); ?></p>
+                <h4 class="alert-heading"><?php esc_html_e('Access Denied', 'invoicing'); ?></h4>
+                <p><?php echo wp_kses_post($error); ?></p>
             </div>
         </div>
 

templates/subscriptions/subscriptions-table-row.php

Spacing +16 added lines, -16 removed lines

@@ -9,45 +9,45 @@
  * @var WPInv_Subscriptions_Widget $widget
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-foreach ( array_keys( $widget->get_subscriptions_table_columns() ) as $column ) :
+foreach (array_keys($widget->get_subscriptions_table_columns()) as $column) :
 
-	$class = sanitize_html_class( $column );
-	echo "<td class='getpaid-subscriptions-table-column-" . esc_attr( $class ) . "'>";
+	$class = sanitize_html_class($column);
+	echo "<td class='getpaid-subscriptions-table-column-" . esc_attr($class) . "'>";
 
-		do_action( "getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription );
+		do_action("getpaid_subscriptions_before_frontend_subscription_table_$column", $subscription);
 
-		switch ( $column ) :
+		switch ($column) :
 
 		case 'subscription':
 			$subscription_id = (int) $subscription->get_id();
-			$url             = esc_url( $subscription->get_view_url() );
+			$url             = esc_url($subscription->get_view_url());
 			$id_label        = sprintf(
-				esc_attr_x( '#%s', 'subscription id', 'invoicing' ),
+				esc_attr_x('#%s', 'subscription id', 'invoicing'),
 				(int) $subscription->get_id()
 			);
-			echo wp_kses_post( $widget->add_row_actions( "<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription ) );
+			echo wp_kses_post($widget->add_row_actions("<a href='$url' class='font-weight-bold text-decoration-none'>$id_label</a>", $subscription));
 			break;
 
 		case 'status':
-			echo esc_html( $subscription->get_status_label() );
+			echo esc_html($subscription->get_status_label());
 			break;
 
 		case 'renewal-date':
-			$renewal = getpaid_format_date_value( $subscription->get_next_renewal_date() );
-			echo $subscription->is_active() ? esc_html( $renewal ) : '&mdash;';
+			$renewal = getpaid_format_date_value($subscription->get_next_renewal_date());
+			echo $subscription->is_active() ? esc_html($renewal) : '&mdash;';
 			break;
 
 		case 'amount':
-			$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-			$amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
-			echo wp_kses_post( "<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>" );
+			$frequency = getpaid_get_subscription_period_label($subscription->get_period(), $subscription->get_frequency(), '');
+			$amount    = wpinv_price($subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency());
+			echo wp_kses_post("<span>$amount</span> / <span class='getpaid-item-recurring-period'>$frequency</span>");
 			break;
 
 		endswitch;
 
-		do_action( "getpaid_subscriptions_frontend_subscription_table_$column", $subscription );
+		do_action("getpaid_subscriptions_frontend_subscription_table_$column", $subscription);
 
 	echo '</td>';
 

templates/subscriptions/subscription-details.php

Spacing +40 added lines, -40 removed lines

@@ -9,17 +9,17 @@ 
  * @var WPInv_Subscriptions_Widget $widget
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-do_action( 'getpaid_single_subscription_before_notices', $subscription );
+do_action('getpaid_single_subscription_before_notices', $subscription);
 
 // Display errors and notices.
 wpinv_print_errors();
 
-$subscription_groups = getpaid_get_invoice_subscription_groups( $subscription->get_parent_invoice_id() );
-$subscription_group  = getpaid_get_invoice_subscription_group( $subscription->get_parent_invoice_id(), $subscription->get_id() );
+$subscription_groups = getpaid_get_invoice_subscription_groups($subscription->get_parent_invoice_id());
+$subscription_group  = getpaid_get_invoice_subscription_group($subscription->get_parent_invoice_id(), $subscription->get_id());
 
-do_action( 'getpaid_before_single_subscription', $subscription, $subscription_groups );
+do_action('getpaid_before_single_subscription', $subscription, $subscription_groups);
 
 ?>
 
@@ -31,44 +31,44 @@ 
 
 </style>
 
-<h2 class="mb-1 h4"><?php esc_html_e( 'Subscription Details', 'invoicing' ); ?></h2>
+<h2 class="mb-1 h4"><?php esc_html_e('Subscription Details', 'invoicing'); ?></h2>
 <table class="table table-bordered">
 	<tbody>
 
-		<?php foreach ( $widget->get_single_subscription_columns( $subscription ) as $key => $label ) : ?>
+		<?php foreach ($widget->get_single_subscription_columns($subscription) as $key => $label) : ?>
 
-			<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class( $key ); ?>">
+			<tr class="getpaid-subscription-meta-<?php echo sanitize_html_class($key); ?>">
 
 				<th class="font-weight-bold" style="width: 35%">
-					<?php echo esc_html( $label ); ?>
+					<?php echo esc_html($label); ?>
 				</th>
 
 				<td style="width: 65%">
 					<?php
 
-						switch ( $key ) {
+						switch ($key) {
 
 						case 'status':
-							echo esc_html( $subscription->get_status_label() );
+							echo esc_html($subscription->get_status_label());
 							break;
 
 						case 'start_date':
-							echo esc_html( getpaid_format_date_value( $subscription->get_date_created() ) );
+							echo esc_html(getpaid_format_date_value($subscription->get_date_created()));
 							break;
 
 						case 'expiry_date':
-							echo esc_html( getpaid_format_date_value( $subscription->get_next_renewal_date() ) );
+							echo esc_html(getpaid_format_date_value($subscription->get_next_renewal_date()));
 							break;
 
 						case 'initial_amount':
-							echo wp_kses_post( wpinv_price( $subscription->get_initial_amount(), $subscription->get_parent_payment()->get_currency() ) );
+							echo wp_kses_post(wpinv_price($subscription->get_initial_amount(), $subscription->get_parent_payment()->get_currency()));
 
-							if ( $subscription->has_trial_period() ) {
+							if ($subscription->has_trial_period()) {
 
 								echo "<small class='text-muted'>&nbsp;";
 								printf(
-									esc_html_x( '( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing' ),
-									esc_html( $subscription->get_trial_period() )
+									esc_html_x('( %1$s trial )', 'Subscription trial period. (e.g.: 1 month trial)', 'invoicing'),
+									esc_html($subscription->get_trial_period())
 								);
 								echo '</small>';
 
@@ -77,29 +77,29 @@ 
 							break;
 
 						case 'recurring_amount':
-							$frequency = getpaid_get_subscription_period_label( $subscription->get_period(), $subscription->get_frequency(), '' );
-							$amount    = wpinv_price( $subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency() );
-							echo wp_kses_post( strtolower( "<strong style='font-weight: 500;'>$amount</strong> / <span class='getpaid-item-recurring-period'>$frequency</span>" ) );
+							$frequency = getpaid_get_subscription_period_label($subscription->get_period(), $subscription->get_frequency(), '');
+							$amount    = wpinv_price($subscription->get_recurring_amount(), $subscription->get_parent_payment()->get_currency());
+							echo wp_kses_post(strtolower("<strong style='font-weight: 500;'>$amount</strong> / <span class='getpaid-item-recurring-period'>$frequency</span>"));
 							break;
 
 						case 'item':
-							if ( empty( $subscription_group ) ) {
-								echo wp_kses_post( WPInv_Subscriptions_List_Table::generate_item_markup( $subscription->get_product_id() ) );
+							if (empty($subscription_group)) {
+								echo wp_kses_post(WPInv_Subscriptions_List_Table::generate_item_markup($subscription->get_product_id()));
 								} else {
-								$markup = array_map( array( 'WPInv_Subscriptions_List_Table', 'generate_item_markup' ), array_keys( $subscription_group['items'] ) );
-								echo wp_kses_post( implode( ' | ', $markup ) );
+								$markup = array_map(array('WPInv_Subscriptions_List_Table', 'generate_item_markup'), array_keys($subscription_group['items']));
+								echo wp_kses_post(implode(' | ', $markup));
 								}
 
 							break;
 
 						case 'payments':
 							$max_activations = (int) $subscription->get_bill_times();
-							echo ( (int) $subscription->get_times_billed() ) . ' / ' . ( empty( $max_activations ) ? '&infin;' : (int) $max_activations );
+							echo ((int) $subscription->get_times_billed()) . ' / ' . (empty($max_activations) ? '&infin;' : (int) $max_activations);
 
 							break;
 
 						}
-						do_action( "getpaid_render_single_subscription_column_$key", $subscription );
+						do_action("getpaid_render_single_subscription_column_$key", $subscription);
 
 					?>
 				</td>
@@ -111,34 +111,34 @@ 
 	</tbody>
 </table>
 
-<?php if ( ! empty( $subscription_group ) ) : ?>
-	<h2 class='mt-5 mb-1 h4'><?php esc_html_e( 'Subscription Items', 'invoicing' ); ?></h2>
-	<?php getpaid_admin_subscription_item_details_metabox( $subscription ); ?>
+<?php if (!empty($subscription_group)) : ?>
+	<h2 class='mt-5 mb-1 h4'><?php esc_html_e('Subscription Items', 'invoicing'); ?></h2>
+	<?php getpaid_admin_subscription_item_details_metabox($subscription); ?>
 <?php endif; ?>
 
-<h2 class='mt-5 mb-1 h4'><?php esc_html_e( 'Related Invoices', 'invoicing' ); ?></h2>
+<h2 class='mt-5 mb-1 h4'><?php esc_html_e('Related Invoices', 'invoicing'); ?></h2>
 
-<?php echo wp_kses_post( getpaid_admin_subscription_invoice_details_metabox( $subscription ) ); ?>
+<?php echo wp_kses_post(getpaid_admin_subscription_invoice_details_metabox($subscription)); ?>
 
-<?php if ( 1 < count( $subscription_groups ) ) : ?>
-	<h2 class='mt-5 mb-1 h4'><?php esc_html_e( 'Related Subscriptions', 'invoicing' ); ?></h2>
-	<?php getpaid_admin_subscription_related_subscriptions_metabox( $subscription ); ?>
+<?php if (1 < count($subscription_groups)) : ?>
+	<h2 class='mt-5 mb-1 h4'><?php esc_html_e('Related Subscriptions', 'invoicing'); ?></h2>
+	<?php getpaid_admin_subscription_related_subscriptions_metabox($subscription); ?>
 <?php endif; ?>
 
 <span class="form-text">
 
 	<?php
-		if ( $subscription->can_cancel() ) {
+		if ($subscription->can_cancel()) {
 		printf(
             '<a href="%s" class="btn btn-danger btn-sm" onclick="return confirm(\'%s\')">%s</a>&nbsp;&nbsp;',
-            esc_url( $subscription->get_cancel_url() ),
-            esc_attr__( 'Are you sure you want to cancel this subscription?', 'invoicing' ),
-            esc_html__( 'Cancel Subscription', 'invoicing' )
+            esc_url($subscription->get_cancel_url()),
+            esc_attr__('Are you sure you want to cancel this subscription?', 'invoicing'),
+            esc_html__('Cancel Subscription', 'invoicing')
         );
 		}
 
-		do_action( 'getpaid-single-subscription-page-actions', $subscription );
+		do_action('getpaid-single-subscription-page-actions', $subscription);
 	?>
 
-	<a href="<?php echo esc_url( getpaid_get_tab_url( 'gp-subscriptions', get_permalink( (int) wpinv_get_option( 'invoice_subscription_page' ) ) ) ); ?>" class="btn btn-secondary btn-sm"><?php esc_html_e( 'Go Back', 'invoicing' ); ?></a>
+	<a href="<?php echo esc_url(getpaid_get_tab_url('gp-subscriptions', get_permalink((int) wpinv_get_option('invoice_subscription_page')))); ?>" class="btn btn-secondary btn-sm"><?php esc_html_e('Go Back', 'invoicing'); ?></a>
 </span>

templates/emails/wpinv-email-billing-details.php

Spacing +21 added lines, -21 removed lines

@@ -1,51 +1,51 @@
 <?php
 // don't load directly
-if ( ! defined( 'ABSPATH' ) ) {
-    die( '-1' );
+if (!defined('ABSPATH')) {
+    die('-1');
 }
 
-do_action( 'wpinv_email_before_billing_details', $invoice ); ?>
+do_action('wpinv_email_before_billing_details', $invoice); ?>
 <div id="wpinv-email-billing">
-    <h3 class="wpinv-address-t"><?php echo apply_filters( 'wpinv_email_billing_title', __( 'Billing Details', 'invoicing' ) ); ?></h3>
+    <h3 class="wpinv-address-t"><?php echo apply_filters('wpinv_email_billing_title', __('Billing Details', 'invoicing')); ?></h3>
 
     <table class="table table-bordered table-sm wpi-billing-details">
         <tbody>
-            <?php do_action( 'wpinv_email_billing_fields_first', $invoice ); ?>
+            <?php do_action('wpinv_email_billing_fields_first', $invoice); ?>
             <tr class="wpi-receipt-name">
-                <th class="text-left"><?php esc_html_e( 'Name', 'invoicing' ); ?></th>
+                <th class="text-left"><?php esc_html_e('Name', 'invoicing'); ?></th>
                 <td>
                 <?php
-                if ( $sent_to_admin && $invoice->get_user_id() ) {
+                if ($sent_to_admin && $invoice->get_user_id()) {
 ?>
-<a href="<?php echo esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), self_admin_url( 'user-edit.php' ) ) ); ?>"><?php echo esc_html( $invoice->get_user_full_name() ); ?></a>
+<a href="<?php echo esc_url(add_query_arg('user_id', $invoice->get_user_id(), self_admin_url('user-edit.php'))); ?>"><?php echo esc_html($invoice->get_user_full_name()); ?></a>
                     <?php
 } else {
-					echo esc_html( $invoice->get_user_full_name() ); }
+					echo esc_html($invoice->get_user_full_name()); }
 ?>
 </td>
             </tr>
             <tr class="wpi-receipt-email">
-                <th class="text-left"><?php esc_html_e( 'Email', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( sanitize_email( $invoice->get_email() ) ); ?></td>
+                <th class="text-left"><?php esc_html_e('Email', 'invoicing'); ?></th>
+                <td><?php echo esc_html(sanitize_email($invoice->get_email())); ?></td>
             </tr>
-            <?php if ( $invoice->get_company() ) { ?>
+            <?php if ($invoice->get_company()) { ?>
             <tr class="wpi-receipt-company">
-                <th class="text-left"><?php esc_html_e( 'Company', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $invoice->get_company() ); ?></td>
+                <th class="text-left"><?php esc_html_e('Company', 'invoicing'); ?></th>
+                <td><?php echo esc_html($invoice->get_company()); ?></td>
             </tr>
             <?php } ?>
             <tr class="wpi-receipt-address">
-                <th class="text-left"><?php esc_html_e( 'Address', 'invoicing' ); ?></th>
-                <td><?php echo wp_kses_post( wpinv_get_invoice_address_markup( $invoice->get_user_info() ) ); ?></td>
+                <th class="text-left"><?php esc_html_e('Address', 'invoicing'); ?></th>
+                <td><?php echo wp_kses_post(wpinv_get_invoice_address_markup($invoice->get_user_info())); ?></td>
             </tr>
-            <?php if ( $invoice->get_phone() ) { ?>
+            <?php if ($invoice->get_phone()) { ?>
             <tr class="wpi-receipt-phone">
-                <th class="text-left"><?php esc_html_e( 'Phone', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $invoice->get_phone() ); ?></td>
+                <th class="text-left"><?php esc_html_e('Phone', 'invoicing'); ?></th>
+                <td><?php echo esc_html($invoice->get_phone()); ?></td>
             </tr>
             <?php } ?>
-            <?php do_action( 'wpinv_email_billing_fields_last', $invoice ); ?>
+            <?php do_action('wpinv_email_billing_fields_last', $invoice); ?>
         </tbody>
     </table>
 </div>
-<?php do_action( 'wpinv_email_after_billing_details', $invoice ); ?>
+<?php do_action('wpinv_email_after_billing_details', $invoice); ?>

includes/reports/class-getpaid-reports-export.php

Spacing +41 added lines, -41 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Reports_Export Class.
@@ -19,8 +19,8 @@ 
 	public function display() {
 
 		echo "<div class='row mt-4' style='max-width: 920px;' >";
-		foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
-			$this->display_post_type_export( $post_type );
+		foreach (array_keys(getpaid_get_invoice_post_types()) as $post_type) {
+			$this->display_post_type_export($post_type);
 		}
 		$this->display_subscription_export();
 		echo '</div>';
@@ -31,13 +31,13 @@ 
 	 * Retrieves the download url.
 	 *
 	 */
-	public function get_download_url( $post_type ) {
+	public function get_download_url($post_type) {
 
 		return wp_nonce_url(
 			add_query_arg(
 				array(
 					'getpaid-admin-action' => 'export_invoices',
-					'post_type'            => urlencode( $post_type ),
+					'post_type'            => urlencode($post_type),
 				)
 			),
 			'getpaid-nonce',
@@ -50,7 +50,7 @@ 
 	 * Displays a single post type export card.
 	 *
 	 */
-	public function display_post_type_export( $post_type ) {
+	public function display_post_type_export($post_type) {
 
 		?>
 
@@ -61,8 +61,8 @@ 
 					<strong>
 						<?php
 							printf(
-								__( 'Export %s', 'invoicing' ),
-								sanitize_text_field( getpaid_get_post_type_label( $post_type ) )
+								__('Export %s', 'invoicing'),
+								sanitize_text_field(getpaid_get_post_type_label($post_type))
 							);
 						?>
 					</strong>
@@ -70,14 +70,14 @@ 
 
 				<div class="card-body">
 
-					<form method="post" action="<?php echo esc_url( $this->get_download_url( $post_type ) ); ?>">
+					<form method="post" action="<?php echo esc_url($this->get_download_url($post_type)); ?>">
 
 						<?php
-							$this->display_markup( $this->generate_from_date( $post_type ) );
-							$this->display_markup( $this->generate_to_date( $post_type ) );
-							$this->display_markup( $this->generate_post_status_select( $post_type ) );
-							$this->display_markup( $this->generate_file_type_select( $post_type ) );
-							submit_button( __( 'Download', 'invoicing' ) );
+							$this->display_markup($this->generate_from_date($post_type));
+							$this->display_markup($this->generate_to_date($post_type));
+							$this->display_markup($this->generate_post_status_select($post_type));
+							$this->display_markup($this->generate_file_type_select($post_type));
+							submit_button(__('Download', 'invoicing'));
 						?>
 
 					</form>
@@ -95,14 +95,14 @@ 
 	 * Generates the from date input field.
 	 *
 	 */
-	public function generate_from_date( $post_type ) {
+	public function generate_from_date($post_type) {
 
 		return aui()->input(
 			array(
 				'name'        => 'from_date',
-				'id'          => esc_attr( "$post_type-from_date" ),
+				'id'          => esc_attr("$post_type-from_date"),
 				'placeholder' => 'yy-mm-dd',
-				'label'       => __( 'From Date', 'invoicing' ),
+				'label'       => __('From Date', 'invoicing'),
 				'label_type'  => 'vertical',
 				'label_class' => 'd-block',
 				'type'        => 'datepicker',
@@ -115,14 +115,14 @@ 
 	 * Generates the to date input field.
 	 *
 	 */
-	public function generate_to_date( $post_type ) {
+	public function generate_to_date($post_type) {
 
 		return aui()->input(
 			array(
 				'name'        => 'to_date',
-				'id'          => esc_attr( "$post_type-to_date" ),
+				'id'          => esc_attr("$post_type-to_date"),
 				'placeholder' => 'yy-mm-dd',
-				'label'       => __( 'To Date', 'invoicing' ),
+				'label'       => __('To Date', 'invoicing'),
 				'label_type'  => 'vertical',
 				'label_class' => 'd-block',
 				'type'        => 'datepicker',
@@ -135,20 +135,20 @@ 
 	 * Generates the to post status select field.
 	 *
 	 */
-	public function generate_post_status_select( $post_type ) {
+	public function generate_post_status_select($post_type) {
 
-		if ( 'subscriptions' === $post_type ) {
+		if ('subscriptions' === $post_type) {
 			$options = getpaid_get_subscription_statuses();
 		} else {
-			$options = wpinv_get_invoice_statuses( true, false, $post_type );
+			$options = wpinv_get_invoice_statuses(true, false, $post_type);
 		}
 
 		return aui()->select(
 			array(
 				'name'        => 'status',
-				'id'          => esc_attr( "$post_type-status" ),
-				'placeholder' => __( 'All Statuses', 'invoicing' ),
-				'label'       => __( 'Status', 'invoicing' ),
+				'id'          => esc_attr("$post_type-status"),
+				'placeholder' => __('All Statuses', 'invoicing'),
+				'label'       => __('Status', 'invoicing'),
 				'label_type'  => 'vertical',
 				'label_class' => 'd-block',
 				'options'     => $options,
@@ -161,20 +161,20 @@ 
 	 * Generates the to file type select field.
 	 *
 	 */
-	public function generate_file_type_select( $post_type ) {
+	public function generate_file_type_select($post_type) {
 
 		return aui()->select(
 			array(
 				'name'        => 'file_type',
-				'id'          => esc_attr( "$post_type-file_type" ),
-				'placeholder' => __( 'Select File Type', 'invoicing' ),
-				'label'       => __( 'Export File', 'invoicing' ),
+				'id'          => esc_attr("$post_type-file_type"),
+				'placeholder' => __('Select File Type', 'invoicing'),
+				'label'       => __('Export File', 'invoicing'),
 				'label_type'  => 'vertical',
 				'label_class' => 'd-block',
 				'options'     => array(
-					'csv'  => __( 'CSV', 'invoicing' ),
-					'xml'  => __( 'XML', 'invoicing' ),
-					'json' => __( 'JSON', 'invoicing' ),
+					'csv'  => __('CSV', 'invoicing'),
+					'xml'  => __('XML', 'invoicing'),
+					'json' => __('JSON', 'invoicing'),
 				),
 			)
 		);
@@ -185,7 +185,7 @@ 
 	 * Displays a field's markup.
 	 *
 	 */
-	public function display_markup( $markup ) {
+	public function display_markup($markup) {
 
 		echo str_replace(
 			array(
@@ -211,20 +211,20 @@ 
 
 				<div class="card-header">
 					<strong>
-						<?php esc_html_e( 'Export Subscriptions', 'invoicing' ); ?>
+						<?php esc_html_e('Export Subscriptions', 'invoicing'); ?>
 					</strong>
 				</div>
 
 				<div class="card-body">
 
-					<form method="post" action="<?php echo esc_url( $this->get_download_url( 'subscriptions' ) ); ?>">
+					<form method="post" action="<?php echo esc_url($this->get_download_url('subscriptions')); ?>">
 
 						<?php
-							$this->display_markup( $this->generate_from_date( 'subscriptions' ) );
-							$this->display_markup( $this->generate_to_date( 'subscriptions' ) );
-							$this->display_markup( $this->generate_post_status_select( 'subscriptions' ) );
-							$this->display_markup( $this->generate_file_type_select( 'subscriptions' ) );
-							submit_button( __( 'Download', 'invoicing' ) );
+							$this->display_markup($this->generate_from_date('subscriptions'));
+							$this->display_markup($this->generate_to_date('subscriptions'));
+							$this->display_markup($this->generate_post_status_select('subscriptions'));
+							$this->display_markup($this->generate_file_type_select('subscriptions'));
+							submit_button(__('Download', 'invoicing'));
 						?>
 
 					</form>

includes/reports/class-getpaid-reports-report.php

Spacing +77 added lines, -77 removed lines

@@ -5,7 +5,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Reports_Report Class.
@@ -23,26 +23,26 @@ 
 	 */
 	public function __construct() {
 
-		$this->views        = array(
+		$this->views = array(
 
             'items'     => array(
-				'label' => __( 'Items', 'invoicing' ),
+				'label' => __('Items', 'invoicing'),
 				'class' => 'GetPaid_Reports_Report_Items',
 			),
 
 			'gateways'  => array(
-				'label' => __( 'Payment Methods', 'invoicing' ),
+				'label' => __('Payment Methods', 'invoicing'),
 				'class' => 'GetPaid_Reports_Report_Gateways',
 			),
 
 			'discounts' => array(
-				'label' => __( 'Discount Codes', 'invoicing' ),
+				'label' => __('Discount Codes', 'invoicing'),
 				'class' => 'GetPaid_Reports_Report_Discounts',
 			),
 
         );
 
-		$this->views        = apply_filters( 'wpinv_report_views', $this->views );
+		$this->views = apply_filters('wpinv_report_views', $this->views);
 
 	}
 
@@ -53,8 +53,8 @@ 
 	public function get_range() {
 		$valid_ranges = $this->get_periods();
 
-		if ( isset( $_GET['date_range'] ) && array_key_exists( $_GET['date_range'], $valid_ranges ) ) {
-			return sanitize_key( $_GET['date_range'] );
+		if (isset($_GET['date_range']) && array_key_exists($_GET['date_range'], $valid_ranges)) {
+			return sanitize_key($_GET['date_range']);
 		}
 
 		return '7_days';
@@ -68,22 +68,22 @@ 
 	public function get_periods() {
 
 		$periods = array(
-			'today'        => __( 'Today', 'invoicing' ),
-			'yesterday'    => __( 'Yesterday', 'invoicing' ),
-			'week'         => __( 'This week', 'invoicing' ),
-			'last_week'    => __( 'Last week', 'invoicing' ),
-			'7_days'       => __( 'Last 7 days', 'invoicing' ),
-			'month'        => __( 'This month', 'invoicing' ),
-			'last_month'   => __( 'Last month', 'invoicing' ),
-			'30_days'      => __( 'Last 30 days', 'invoicing' ),
-			'quarter'      => __( 'This Quarter', 'invoicing' ),
-			'last_quarter' => __( 'Last Quarter', 'invoicing' ),
-			'year'         => __( 'This year', 'invoicing' ),
-			'last_year'    => __( 'Last Year', 'invoicing' ),
-			'custom'       => __( 'Custom Date Range', 'invoicing' ),
+			'today'        => __('Today', 'invoicing'),
+			'yesterday'    => __('Yesterday', 'invoicing'),
+			'week'         => __('This week', 'invoicing'),
+			'last_week'    => __('Last week', 'invoicing'),
+			'7_days'       => __('Last 7 days', 'invoicing'),
+			'month'        => __('This month', 'invoicing'),
+			'last_month'   => __('Last month', 'invoicing'),
+			'30_days'      => __('Last 30 days', 'invoicing'),
+			'quarter'      => __('This Quarter', 'invoicing'),
+			'last_quarter' => __('Last Quarter', 'invoicing'),
+			'year'         => __('This year', 'invoicing'),
+			'last_year'    => __('Last Year', 'invoicing'),
+			'custom'       => __('Custom Date Range', 'invoicing'),
 		);
 
-		return apply_filters( 'getpaid_earning_periods', $periods );
+		return apply_filters('getpaid_earning_periods', $periods);
 	}
 
 	/**
@@ -96,21 +96,21 @@ 
 		?>
 
 			<form method="get" class="getpaid-filter-earnings float-right">
-				<?php getpaid_hidden_field( 'page', isset( $_GET['page'] ) ? sanitize_text_field( $_GET['page'] ) : 'wpinv-reports' ); ?>
-				<?php getpaid_hidden_field( 'tab', 'reports' ); ?>
+				<?php getpaid_hidden_field('page', isset($_GET['page']) ? sanitize_text_field($_GET['page']) : 'wpinv-reports'); ?>
+				<?php getpaid_hidden_field('tab', 'reports'); ?>
 				<select name='date_range'>
-					<?php foreach ( $this->get_periods() as $key => $label ) : ?>
-						<option value="<?php echo esc_attr( $key ); ?>" <?php selected( $key, $range ); ?>><?php echo esc_html( $label ); ?></option>
+					<?php foreach ($this->get_periods() as $key => $label) : ?>
+						<option value="<?php echo esc_attr($key); ?>" <?php selected($key, $range); ?>><?php echo esc_html($label); ?></option>
 					<?php endforeach; ?>
 				</select>
 				<span class="getpaid-date-range-picker <?php echo 'custom' == $range ? '' : 'd-none'; ?>">
 					<input type="text" name="from" class="getpaid-from align-middle" />
-						<?php esc_html_e( 'to', 'invoicing' ); ?>
+						<?php esc_html_e('to', 'invoicing'); ?>
 					<input type="text" name="to" class="getpaid-to align-middle" />
 				</span>
 				<button type="submit" class="button button-primary">
 					<i class="fa fa-chevron-right fa-lg"></i>
-					<span class="screen-reader-text"><?php esc_html_e( 'View Reports', 'invoicing' ); ?></span>
+					<span class="screen-reader-text"><?php esc_html_e('View Reports', 'invoicing'); ?></span>
 				</button>
 			</form>
 
@@ -159,17 +159,17 @@ 
 
 				<div class="col-12 col-md-4">
 					<div class="row getpaid-report-cards">
-						<?php foreach ( $this->get_cards() as $key => $card ) : ?>
+						<?php foreach ($this->get_cards() as $key => $card) : ?>
 							<div class="col-12 mb-4">
 
-								<!-- <?php echo esc_html( $card['label'] ); ?> Card -->
-								<div class="card p-0 m-0 shadow-none <?php echo sanitize_html_class( $key ); ?>">
+								<!-- <?php echo esc_html($card['label']); ?> Card -->
+								<div class="card p-0 m-0 shadow-none <?php echo sanitize_html_class($key); ?>">
 
 									<div class="card-body">
 
 										<p class="getpaid-current text-uppercase small mb-2">
-											<strong><?php echo esc_html( $card['label'] ); ?></strong>
-											<span title="<?php echo esc_attr( $card['description'] ); ?>" class="wpi-help-tip dashicons dashicons-editor-help text-muted" style="margin-top: -2px;"></span>
+											<strong><?php echo esc_html($card['label']); ?></strong>
+											<span title="<?php echo esc_attr($card['description']); ?>" class="wpi-help-tip dashicons dashicons-editor-help text-muted" style="margin-top: -2px;"></span>
 										</p>
 										<h5 class="font-weight-bold mb-0">
 											<span class="getpaid-report-card-value">
@@ -180,7 +180,7 @@ 
 
 										<hr>
 
-										<p class="getpaid-previous text-uppercase text-muted small mb-2"><strong><?php esc_html_e( 'Previous Period', 'invoicing' ); ?></strong></p>
+										<p class="getpaid-previous text-uppercase text-muted small mb-2"><strong><?php esc_html_e('Previous Period', 'invoicing'); ?></strong></p>
 										<h5 class="getpaid-report-card-previous-value font-weight-bold text-muted mb-0">
 											<span class="spinner is-active float-none"></span>
 										</h5>
@@ -188,7 +188,7 @@ 
 									</div>
 
 								</div>
-								<!-- <?php echo esc_html( $card['label'] ); ?> Card -->
+								<!-- <?php echo esc_html($card['label']); ?> Card -->
 
 							</div>
 						<?php endforeach; ?>
@@ -213,15 +213,15 @@ 
 
 		?>
 
-			<?php foreach ( $graphs as $key => $graph ) : ?>
+			<?php foreach ($graphs as $key => $graph) : ?>
 				<div class="row mb-4">
 					<div class="col-12">
 						<div class="card m-0 p-0 single-report-card" style="max-width:100%">
 							<div class="card-header">
-								<strong><?php echo esc_html( $graph ); ?></strong>
+								<strong><?php echo esc_html($graph); ?></strong>
 							</div>
 							<div class="card-body">
-								<canvas id="getpaid-chartjs-<?php echo esc_attr( $key ); ?>"></canvas>
+								<canvas id="getpaid-chartjs-<?php echo esc_attr($key); ?>"></canvas>
 							</div>
 						</div>
 					</div>
@@ -236,14 +236,14 @@ 
 	 * Retrieves the download url.
 	 *
 	 */
-	public function get_download_url( $graph, $file_type ) {
+	public function get_download_url($graph, $file_type) {
 
 		return wp_nonce_url(
 			add_query_arg(
 				array(
 					'getpaid-admin-action' => 'download_graph',
-					'file_type'            => urlencode( $file_type ),
-					'graph'                => urlencode( $graph ),
+					'file_type'            => urlencode($file_type),
+					'graph'                => urlencode($graph),
 				)
 			),
 			'getpaid-nonce',
@@ -260,27 +260,27 @@ 
 
 		?>
 
-			<?php foreach ( $this->views as $key => $view ) : ?>
+			<?php foreach ($this->views as $key => $view) : ?>
 				<div class="row mb-4">
 					<div class="col-12">
 						<div class="card m-0 p-0" style="max-width:100%">
 							<div class="card-header">
 								<div class="row">
-									<div class="<?php echo empty( $view['disable-downloads'] ) ? 'col-9' : 'col-12'; ?>">
-										<strong><?php echo esc_html( $view['label'] ); ?></strong>
+									<div class="<?php echo empty($view['disable-downloads']) ? 'col-9' : 'col-12'; ?>">
+										<strong><?php echo esc_html($view['label']); ?></strong>
 									</div>
-									<div class="<?php echo empty( $view['disable-downloads'] ) ? 'col-3' : 'd-none'; ?>">
-										<a title="<?php esc_attr_e( 'Download JSON', 'invoicing' ); ?>" href="<?php echo esc_url( $this->get_download_url( $key, 'json' ) ); ?>">
+									<div class="<?php echo empty($view['disable-downloads']) ? 'col-3' : 'd-none'; ?>">
+										<a title="<?php esc_attr_e('Download JSON', 'invoicing'); ?>" href="<?php echo esc_url($this->get_download_url($key, 'json')); ?>">
 											<i class="fa fa-download text-dark" style="font-size: 16px" aria-hidden="true"></i>
-											<span class="screen-reader-text"><?php esc_html_e( 'Download JSON', 'invoicing' ); ?></span>
+											<span class="screen-reader-text"><?php esc_html_e('Download JSON', 'invoicing'); ?></span>
 										</a>
-										<a title="<?php esc_attr_e( 'Download CSV', 'invoicing' ); ?>" href="<?php echo esc_url( $this->get_download_url( $key, 'csv' ) ); ?>">
+										<a title="<?php esc_attr_e('Download CSV', 'invoicing'); ?>" href="<?php echo esc_url($this->get_download_url($key, 'csv')); ?>">
 											<i class="fa fa-file-csv text-dark" style="font-size: 16px" aria-hidden="true"></i>
-											<span class="screen-reader-text"><?php esc_html_e( 'Download CSV', 'invoicing' ); ?></span>
+											<span class="screen-reader-text"><?php esc_html_e('Download CSV', 'invoicing'); ?></span>
 										</a>
-										<a title="<?php esc_attr_e( 'Download XML', 'invoicing' ); ?>" href="<?php echo esc_url( $this->get_download_url( $key, 'xml' ) ); ?>">
+										<a title="<?php esc_attr_e('Download XML', 'invoicing'); ?>" href="<?php echo esc_url($this->get_download_url($key, 'xml')); ?>">
 											<i class="fa fa-file-code text-dark" style="font-size: 16px" aria-hidden="true"></i>
-											<span class="screen-reader-text"><?php esc_html_e( 'Download XML', 'invoicing' ); ?></span>
+											<span class="screen-reader-text"><?php esc_html_e('Download XML', 'invoicing'); ?></span>
 										</a>
 									</div>
 								</div>
@@ -299,7 +299,7 @@ 
 
 		<?php
 
-		do_action( 'getpaid_reports_display_right', $this );
+		do_action('getpaid_reports_display_right', $this);
 	}
 
 	/**
@@ -310,56 +310,56 @@ 
 
 		$cards = array(
 			'total_sales'         => array(
-				'description' => __( 'Gross sales in the period.', 'invoicing' ),
-				'label'       => __( 'Gross Revenue', 'invoicing' ),
+				'description' => __('Gross sales in the period.', 'invoicing'),
+				'label'       => __('Gross Revenue', 'invoicing'),
 			),
 			'net_sales'           => array(
-				'description' => __( 'Net sales in the period.', 'invoicing' ),
-				'label'       => __( 'Net Revenue', 'invoicing' ),
+				'description' => __('Net sales in the period.', 'invoicing'),
+				'label'       => __('Net Revenue', 'invoicing'),
 			),
 			'average_sales'       => array(
-				'description' => __( 'Average net daily/monthly sales.', 'invoicing' ),
-				'label'       => __( 'Avg. Net Sales', 'invoicing' ),
+				'description' => __('Average net daily/monthly sales.', 'invoicing'),
+				'label'       => __('Avg. Net Sales', 'invoicing'),
 			),
 			'average_total_sales' => array(
-				'description' => __( 'Average gross daily/monthly sales.', 'invoicing' ),
-				'label'       => __( 'Avg. Gross Sales', 'invoicing' ),
+				'description' => __('Average gross daily/monthly sales.', 'invoicing'),
+				'label'       => __('Avg. Gross Sales', 'invoicing'),
 			),
 			'total_invoices'      => array(
-				'description' => __( 'Number of paid invoices.', 'invoicing' ),
-				'label'       => __( 'Paid Invoices', 'invoicing' ),
+				'description' => __('Number of paid invoices.', 'invoicing'),
+				'label'       => __('Paid Invoices', 'invoicing'),
 			),
 			'total_items'         => array(
-				'description' => __( 'Number of items purchased.', 'invoicing' ),
-				'label'       => __( 'Purchased Items', 'invoicing' ),
+				'description' => __('Number of items purchased.', 'invoicing'),
+				'label'       => __('Purchased Items', 'invoicing'),
 			),
 			'refunded_items'      => array(
-				'description' => __( 'Number of items refunded.', 'invoicing' ),
-				'label'       => __( 'Refunded Items', 'invoicing' ),
+				'description' => __('Number of items refunded.', 'invoicing'),
+				'label'       => __('Refunded Items', 'invoicing'),
 			),
 			'total_tax'           => array(
-				'description' => __( 'Total charged for taxes.', 'invoicing' ),
-				'label'       => __( 'Tax', 'invoicing' ),
+				'description' => __('Total charged for taxes.', 'invoicing'),
+				'label'       => __('Tax', 'invoicing'),
 			),
 			'total_refunded_tax'  => array(
-				'description' => __( 'Total refunded for taxes.', 'invoicing' ),
-				'label'       => __( 'Refunded Tax', 'invoicing' ),
+				'description' => __('Total refunded for taxes.', 'invoicing'),
+				'label'       => __('Refunded Tax', 'invoicing'),
 			),
 			'total_fees'          => array(
-				'description' => __( 'Total fees charged.', 'invoicing' ),
-				'label'       => __( 'Fees', 'invoicing' ),
+				'description' => __('Total fees charged.', 'invoicing'),
+				'label'       => __('Fees', 'invoicing'),
 			),
 			'total_refunds'       => array(
-				'description' => __( 'Total of refunded invoices.', 'invoicing' ),
-				'label'       => __( 'Refunded', 'invoicing' ),
+				'description' => __('Total of refunded invoices.', 'invoicing'),
+				'label'       => __('Refunded', 'invoicing'),
 			),
 			'total_discount'      => array(
-				'description' => __( 'Total of discounts used.', 'invoicing' ),
-				'label'       => __( 'Discounted', 'invoicing' ),
+				'description' => __('Total of discounts used.', 'invoicing'),
+				'label'       => __('Discounted', 'invoicing'),
 			),
 		);
 
-		return apply_filters( 'wpinv_report_cards', $cards );
+		return apply_filters('wpinv_report_cards', $cards);
 	}
 
 

includes/wpinv-template-functions.php

Spacing +456 added lines, -456 removed lines

@@ -4,99 +4,99 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Displays an invoice.
  *
  * @param WPInv_Invoice $invoice.
  */
-function getpaid_invoice( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice.php', compact( 'invoice' ) );
+function getpaid_invoice($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice', 'getpaid_invoice', 10 );
+add_action('getpaid_invoice', 'getpaid_invoice', 10);
 
 /**
  * Displays the invoice footer.
  */
-function getpaid_invoice_footer( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/footer.php', compact( 'invoice' ) );
+function getpaid_invoice_footer($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/footer.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_footer', 'getpaid_invoice_footer', 10 );
+add_action('getpaid_invoice_footer', 'getpaid_invoice_footer', 10);
 
 /**
  * Displays the invoice top bar.
  */
-function getpaid_invoice_header( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header.php', compact( 'invoice' ) );
+function getpaid_invoice_header($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header', 'getpaid_invoice_header', 10 );
+add_action('getpaid_invoice_header', 'getpaid_invoice_header', 10);
 
 /**
  * Displays actions on the left side of the header.
  */
-function getpaid_invoice_header_left_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-left-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_left_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-left-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10 );
+add_action('getpaid_invoice_header_left', 'getpaid_invoice_header_left_actions', 10);
 
 /**
  * Displays actions on the right side of the invoice top bar.
  */
-function getpaid_invoice_header_right_actions( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/header-right-actions.php', compact( 'invoice' ) );
+function getpaid_invoice_header_right_actions($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/header-right-actions.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10 );
+add_action('getpaid_invoice_header_right', 'getpaid_invoice_header_right_actions', 10);
 
 /**
  * Displays the invoice title, logo etc.
  */
-function getpaid_invoice_details_top( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details-top.php', compact( 'invoice' ) );
+function getpaid_invoice_details_top($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details-top.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_top', 10 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_top', 10);
 
 /**
  * Displays the company logo.
  */
-function getpaid_invoice_logo( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-logo.php', compact( 'invoice' ) );
+function getpaid_invoice_logo($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-logo.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_left', 'getpaid_invoice_logo' );
+add_action('getpaid_invoice_details_top_left', 'getpaid_invoice_logo');
 
 /**
  * Displays the type of invoice.
  */
-function getpaid_invoice_type( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/invoice-type.php', compact( 'invoice' ) );
+function getpaid_invoice_type($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/invoice-type.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_top_right', 'getpaid_invoice_type' );
+add_action('getpaid_invoice_details_top_right', 'getpaid_invoice_type');
 
 /**
  * Displays the invoice details.
  */
-function getpaid_invoice_details_main( $invoice ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/details.php', compact( 'invoice' ) );
+function getpaid_invoice_details_main($invoice) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/details.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details', 'getpaid_invoice_details_main', 50 );
+add_action('getpaid_invoice_details', 'getpaid_invoice_details_main', 50);
 
 /**
  * Returns a path to the templates directory.
@@ -125,8 +125,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-    getpaid_template()->display_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template($template_name, $args = array(), $template_path = '', $default_path = '') {
+    getpaid_template()->display_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -139,8 +139,8 @@ 
  * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_get_template_html( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
-	return getpaid_template()->get_template( $template_name, $args, $template_path, $default_path );
+function wpinv_get_template_html($template_name, $args = array(), $template_path = '', $default_path = '') {
+	return getpaid_template()->get_template($template_name, $args, $template_path, $default_path);
 }
 
 /**
@@ -149,7 +149,7 @@ 
  * @return string
  */
 function wpinv_template_path() {
-    return apply_filters( 'wpinv_template_path', wpinv_get_theme_template_dir_name() );
+    return apply_filters('wpinv_template_path', wpinv_get_theme_template_dir_name());
 }
 
 /**
@@ -158,7 +158,7 @@ 
  * @return string
  */
 function wpinv_get_theme_template_dir_name() {
-	return trailingslashit( apply_filters( 'wpinv_templates_dir', 'invoicing' ) );
+	return trailingslashit(apply_filters('wpinv_templates_dir', 'invoicing'));
 }
 
 /**
@@ -170,58 +170,58 @@ 
  * @param string $template_path The template path relative to the theme's root dir. Defaults to 'invoicing'.
  * @param string $default_path The root path to the default template. Defaults to invoicing/templates
  */
-function wpinv_locate_template( $template_name, $template_path = '', $default_path = '' ) {
-    return getpaid_template()->locate_template( $template_name, $template_path, $default_path );
+function wpinv_locate_template($template_name, $template_path = '', $default_path = '') {
+    return getpaid_template()->locate_template($template_name, $template_path, $default_path);
 }
 
-function wpinv_get_template_part( $slug, $name = null, $load = true ) {
-	do_action( 'get_template_part_' . $slug, $slug, $name );
+function wpinv_get_template_part($slug, $name = null, $load = true) {
+	do_action('get_template_part_' . $slug, $slug, $name);
 
 	// Setup possible parts
 	$templates = array();
-	if ( isset( $name ) ) {
+	if (isset($name)) {
 		$templates[] = $slug . '-' . $name . '.php';
     }
 	$templates[] = $slug . '.php';
 
 	// Allow template parts to be filtered
-	$templates = apply_filters( 'wpinv_get_template_part', $templates, $slug, $name );
+	$templates = apply_filters('wpinv_get_template_part', $templates, $slug, $name);
 
 	// Return the part that is found
-	return wpinv_locate_tmpl( $templates, $load, false );
+	return wpinv_locate_tmpl($templates, $load, false);
 }
 
-function wpinv_locate_tmpl( $template_names, $load = false, $require_once = true ) {
+function wpinv_locate_tmpl($template_names, $load = false, $require_once = true) {
 	// No file found yet
 	$located = false;
 
 	// Try to find a template file
-	foreach ( (array)$template_names as $template_name ) {
+	foreach ((array) $template_names as $template_name) {
 
 		// Continue if template is empty
-		if ( empty( $template_name ) ) {
+		if (empty($template_name)) {
 			continue;
         }
 
 		// Trim off any slashes from the template name
-		$template_name = ltrim( $template_name, '/' );
+		$template_name = ltrim($template_name, '/');
 
 		// try locating this template file by looping through the template paths
-		foreach ( wpinv_get_theme_template_paths() as $template_path ) {
+		foreach (wpinv_get_theme_template_paths() as $template_path) {
 
-			if ( file_exists( $template_path . $template_name ) ) {
+			if (file_exists($template_path . $template_name)) {
 				$located = $template_path . $template_name;
 				break;
 			}
 		}
 
-		if ( ! empty( $located ) ) {
+		if (!empty($located)) {
 			break;
 		}
 	}
 
-	if ( ( true == $load ) && ! empty( $located ) ) {
-		load_template( $located, $require_once );
+	if ((true == $load) && !empty($located)) {
+		load_template($located, $require_once);
     }
 
 	return $located;
@@ -231,81 +231,81 @@ 
 	$template_dir = wpinv_get_theme_template_dir_name();
 
 	$file_paths = array(
-		1   => trailingslashit( get_stylesheet_directory() ) . $template_dir,
-		10  => trailingslashit( get_template_directory() ) . $template_dir,
+		1   => trailingslashit(get_stylesheet_directory()) . $template_dir,
+		10  => trailingslashit(get_template_directory()) . $template_dir,
 		100 => wpinv_get_templates_dir(),
 	);
 
-	$file_paths = apply_filters( 'wpinv_template_paths', $file_paths );
+	$file_paths = apply_filters('wpinv_template_paths', $file_paths);
 
 	// sort the file paths based on priority
-	ksort( $file_paths, SORT_NUMERIC );
+	ksort($file_paths, SORT_NUMERIC);
 
-	return array_map( 'trailingslashit', $file_paths );
+	return array_map('trailingslashit', $file_paths);
 }
 
 function wpinv_checkout_meta_tags() {
 
 	$pages   = array();
-	$pages[] = wpinv_get_option( 'success_page' );
-	$pages[] = wpinv_get_option( 'failure_page' );
-	$pages[] = wpinv_get_option( 'invoice_history_page' );
-	$pages[] = wpinv_get_option( 'invoice_subscription_page' );
+	$pages[] = wpinv_get_option('success_page');
+	$pages[] = wpinv_get_option('failure_page');
+	$pages[] = wpinv_get_option('invoice_history_page');
+	$pages[] = wpinv_get_option('invoice_subscription_page');
 
-	if ( ! wpinv_is_checkout() && ! is_page( $pages ) ) {
+	if (!wpinv_is_checkout() && !is_page($pages)) {
 		return;
 	}
 
 	echo '<meta name="robots" content="noindex,nofollow" />' . "\n";
 }
-add_action( 'wp_head', 'wpinv_checkout_meta_tags' );
+add_action('wp_head', 'wpinv_checkout_meta_tags');
 
-function wpinv_add_body_classes( $class ) {
-	$classes = (array)$class;
+function wpinv_add_body_classes($class) {
+	$classes = (array) $class;
 
-	if ( wpinv_is_checkout() ) {
+	if (wpinv_is_checkout()) {
 		$classes[] = 'wpinv-checkout';
 		$classes[] = 'wpinv-page';
 	}
 
-	if ( wpinv_is_success_page() ) {
+	if (wpinv_is_success_page()) {
 		$classes[] = 'wpinv-success';
 		$classes[] = 'wpinv-page';
 	}
 
-	if ( wpinv_is_failed_transaction_page() ) {
+	if (wpinv_is_failed_transaction_page()) {
 		$classes[] = 'wpinv-failed-transaction';
 		$classes[] = 'wpinv-page';
 	}
 
-	if ( wpinv_is_invoice_history_page() ) {
+	if (wpinv_is_invoice_history_page()) {
 		$classes[] = 'wpinv-history';
 		$classes[] = 'wpinv-page';
 	}
 
-	if ( wpinv_is_subscriptions_history_page() ) {
+	if (wpinv_is_subscriptions_history_page()) {
 		$classes[] = 'wpinv-subscription';
 		$classes[] = 'wpinv-page';
 	}
 
-	if ( wpinv_is_test_mode() ) {
+	if (wpinv_is_test_mode()) {
 		$classes[] = 'wpinv-test-mode';
 		$classes[] = 'wpinv-page';
 	}
 
-	return array_unique( $classes );
+	return array_unique($classes);
 }
-add_filter( 'body_class', 'wpinv_add_body_classes' );
+add_filter('body_class', 'wpinv_add_body_classes');
 
-function wpinv_html_year_dropdown( $name = 'year', $selected = 0, $years_before = 5, $years_after = 0 ) {
-    $current     = date( 'Y' );
-    $start_year  = $current - absint( $years_before );
-    $end_year    = $current + absint( $years_after );
-    $selected    = empty( $selected ) ? date( 'Y' ) : $selected;
+function wpinv_html_year_dropdown($name = 'year', $selected = 0, $years_before = 5, $years_after = 0) {
+    $current     = date('Y');
+    $start_year  = $current - absint($years_before);
+    $end_year    = $current + absint($years_after);
+    $selected    = empty($selected) ? date('Y') : $selected;
     $options     = array();
 
-    while ( $start_year <= $end_year ) {
-        $options[ absint( $start_year ) ] = $start_year;
+    while ($start_year <= $end_year) {
+        $options[absint($start_year)] = $start_year;
         $start_year++;
     }
 
@@ -322,25 +322,25 @@ 
     return $output;
 }
 
-function wpinv_html_month_dropdown( $name = 'month', $selected = 0 ) {
+function wpinv_html_month_dropdown($name = 'month', $selected = 0) {
 
     $options = array(
-        '1'  => __( 'January', 'invoicing' ),
-        '2'  => __( 'February', 'invoicing' ),
-        '3'  => __( 'March', 'invoicing' ),
-        '4'  => __( 'April', 'invoicing' ),
-        '5'  => __( 'May', 'invoicing' ),
-        '6'  => __( 'June', 'invoicing' ),
-        '7'  => __( 'July', 'invoicing' ),
-        '8'  => __( 'August', 'invoicing' ),
-        '9'  => __( 'September', 'invoicing' ),
-        '10' => __( 'October', 'invoicing' ),
-        '11' => __( 'November', 'invoicing' ),
-        '12' => __( 'December', 'invoicing' ),
+        '1'  => __('January', 'invoicing'),
+        '2'  => __('February', 'invoicing'),
+        '3'  => __('March', 'invoicing'),
+        '4'  => __('April', 'invoicing'),
+        '5'  => __('May', 'invoicing'),
+        '6'  => __('June', 'invoicing'),
+        '7'  => __('July', 'invoicing'),
+        '8'  => __('August', 'invoicing'),
+        '9'  => __('September', 'invoicing'),
+        '10' => __('October', 'invoicing'),
+        '11' => __('November', 'invoicing'),
+        '12' => __('December', 'invoicing'),
     );
 
     // If no month is selected, default to the current month
-    $selected = empty( $selected ) ? date( 'n' ) : $selected;
+    $selected = empty($selected) ? date('n') : $selected;
 
     $output = wpinv_html_select(
         array(
@@ -355,7 +355,7 @@ 
     return $output;
 }
 
-function wpinv_html_select( $args = array() ) {
+function wpinv_html_select($args = array()) {
     $defaults = array(
         'options'          => array(),
         'name'             => null,
@@ -364,8 +364,8 @@ 
         'selected'         => 0,
         'placeholder'      => null,
         'multiple'         => false,
-        'show_option_all'  => _x( 'All', 'all dropdown items', 'invoicing' ),
-        'show_option_none' => _x( 'None', 'no dropdown items', 'invoicing' ),
+        'show_option_all'  => _x('All', 'all dropdown items', 'invoicing'),
+        'show_option_none' => _x('None', 'no dropdown items', 'invoicing'),
         'data'             => array(),
         'onchange'         => null,
         'required'         => false,
@@ -373,74 +373,74 @@ 
         'readonly'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $data_elements = '';
-    foreach ( $args['data'] as $key => $value ) {
-        $data_elements .= ' data-' . esc_attr( $key ) . '="' . esc_attr( $value ) . '"';
+    foreach ($args['data'] as $key => $value) {
+        $data_elements .= ' data-' . esc_attr($key) . '="' . esc_attr($value) . '"';
     }
 
-    if ( $args['multiple'] ) {
+    if ($args['multiple']) {
         $multiple = ' MULTIPLE';
     } else {
         $multiple = '';
     }
 
-    if ( $args['placeholder'] ) {
+    if ($args['placeholder']) {
         $placeholder = $args['placeholder'];
     } else {
         $placeholder = '';
     }
 
     $options = '';
-    if ( ! empty( $args['onchange'] ) ) {
-        $options .= ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $options .= ' onchange="' . esc_attr($args['onchange']) . '"';
     }
 
-    if ( ! empty( $args['required'] ) ) {
+    if (!empty($args['required'])) {
         $options .= ' required="required"';
     }
 
-    if ( ! empty( $args['disabled'] ) ) {
+    if (!empty($args['disabled'])) {
         $options .= ' disabled';
     }
 
-    if ( ! empty( $args['readonly'] ) ) {
+    if (!empty($args['readonly'])) {
         $options .= ' readonly';
     }
 
-    $class  = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
-    $output = '<select name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim( $options ) . $data_elements . '>';
+    $class  = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
+    $output = '<select name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" class="wpinv-select ' . $class . '"' . $multiple . ' data-placeholder="' . $placeholder . '" ' . trim($options) . $data_elements . '>';
 
-    if ( $args['show_option_all'] ) {
-        if ( $args['multiple'] ) {
-            $selected = selected( true, in_array( 0, $args['selected'] ), false );
+    if ($args['show_option_all']) {
+        if ($args['multiple']) {
+            $selected = selected(true, in_array(0, $args['selected']), false);
         } else {
-            $selected = selected( $args['selected'], 0, false );
+            $selected = selected($args['selected'], 0, false);
         }
-        $output .= '<option value="all"' . $selected . '>' . esc_html( $args['show_option_all'] ) . '</option>';
+        $output .= '<option value="all"' . $selected . '>' . esc_html($args['show_option_all']) . '</option>';
     }
 
-    if ( ! empty( $args['options'] ) ) {
+    if (!empty($args['options'])) {
 
-        if ( $args['show_option_none'] ) {
-            if ( $args['multiple'] ) {
-                $selected = selected( true, in_array( '', $args['selected'] ), false );
+        if ($args['show_option_none']) {
+            if ($args['multiple']) {
+                $selected = selected(true, in_array('', $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'] === '', true, false );
+                $selected = selected($args['selected'] === '', true, false);
             }
-            $output .= '<option value=""' . $selected . '>' . esc_html( $args['show_option_none'] ) . '</option>';
+            $output .= '<option value=""' . $selected . '>' . esc_html($args['show_option_none']) . '</option>';
         }
 
-        foreach ( $args['options'] as $key => $option ) {
+        foreach ($args['options'] as $key => $option) {
 
-            if ( $args['multiple'] && is_array( $args['selected'] ) ) {
-                $selected = selected( true, (bool)in_array( $key, $args['selected'] ), false );
+            if ($args['multiple'] && is_array($args['selected'])) {
+                $selected = selected(true, (bool) in_array($key, $args['selected']), false);
             } else {
-                $selected = selected( $args['selected'], $key, false );
+                $selected = selected($args['selected'], $key, false);
             }
 
-            $output .= '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option ) . '</option>';
+            $output .= '<option value="' . esc_attr($key) . '"' . $selected . '>' . esc_html($option) . '</option>';
         }
     }
 
@@ -449,7 +449,7 @@ 
     return $output;
 }
 
-function wpinv_item_dropdown( $args = array() ) {
+function wpinv_item_dropdown($args = array()) {
     $defaults = array(
         'name'             => 'wpi_item',
         'id'               => 'wpi_item',
@@ -457,14 +457,14 @@ 
         'multiple'         => false,
         'selected'         => 0,
         'number'           => -1,
-        'placeholder'      => __( 'Choose a item', 'invoicing' ),
-        'data'             => array( 'search-type' => 'item' ),
+        'placeholder'      => __('Choose a item', 'invoicing'),
+        'data'             => array('search-type' => 'item'),
         'show_option_all'  => false,
         'show_option_none' => false,
         'show_recurring'   => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $item_args = array(
         'post_type'      => 'wpi_item',
@@ -473,40 +473,40 @@ 
         'posts_per_page' => $args['number'],
     );
 
-    $item_args  = apply_filters( 'wpinv_item_dropdown_query_args', $item_args, $args, $defaults );
+    $item_args  = apply_filters('wpinv_item_dropdown_query_args', $item_args, $args, $defaults);
 
-    $items      = get_posts( $item_args );
+    $items      = get_posts($item_args);
     $options    = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $title = esc_html( $item->post_title );
+    if ($items) {
+        foreach ($items as $item) {
+            $title = esc_html($item->post_title);
 
-            if ( ! empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $item->ID, false );
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($item->ID, false);
             }
 
-            $options[ absint( $item->ID ) ] = $title;
+            $options[absint($item->ID)] = $title;
         }
     }
 
     // This ensures that any selected items are included in the drop down
-    if ( is_array( $args['selected'] ) ) {
-        foreach ( $args['selected'] as $item ) {
-            if ( ! in_array( $item, $options ) ) {
-                $title = get_the_title( $item );
-                if ( ! empty( $args['show_recurring'] ) ) {
-                    $title .= wpinv_get_item_suffix( $item, false );
+    if (is_array($args['selected'])) {
+        foreach ($args['selected'] as $item) {
+            if (!in_array($item, $options)) {
+                $title = get_the_title($item);
+                if (!empty($args['show_recurring'])) {
+                    $title .= wpinv_get_item_suffix($item, false);
                 }
-                $options[ $item ] = $title;
+                $options[$item] = $title;
             }
         }
-    } elseif ( is_numeric( $args['selected'] ) && $args['selected'] !== 0 ) {
-        if ( ! in_array( $args['selected'], $options ) ) {
-            $title = get_the_title( $args['selected'] );
-            if ( ! empty( $args['show_recurring'] ) ) {
-                $title .= wpinv_get_item_suffix( $args['selected'], false );
+    } elseif (is_numeric($args['selected']) && $args['selected'] !== 0) {
+        if (!in_array($args['selected'], $options)) {
+            $title = get_the_title($args['selected']);
+            if (!empty($args['show_recurring'])) {
+                $title .= wpinv_get_item_suffix($args['selected'], false);
             }
-            $options[ $args['selected'] ] = get_the_title( $args['selected'] );
+            $options[$args['selected']] = get_the_title($args['selected']);
         }
     }
 
@@ -543,16 +543,16 @@ 
     );
 
     $options = array();
-    if ( $items ) {
-        foreach ( $items as $item ) {
-            $options[ $item->ID ] = esc_html( $item->post_title ) . wpinv_get_item_suffix( $item->ID, false );
+    if ($items) {
+        foreach ($items as $item) {
+            $options[$item->ID] = esc_html($item->post_title) . wpinv_get_item_suffix($item->ID, false);
         }
     }
 
     return $options;
 }
 
-function wpinv_html_checkbox( $args = array() ) {
+function wpinv_html_checkbox($args = array()) {
     $defaults = array(
         'name'    => null,
         'current' => null,
@@ -563,17 +563,17 @@ 
         ),
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $attr  = '';
-    if ( ! empty( $args['options']['disabled'] ) ) {
+    if (!empty($args['options']['disabled'])) {
         $attr .= ' disabled="disabled"';
-    } elseif ( ! empty( $args['options']['readonly'] ) ) {
+    } elseif (!empty($args['options']['readonly'])) {
         $attr .= ' readonly';
     }
 
-    $output = '<input type="checkbox"' . $attr . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['name'] ) . '" class="' . esc_attr( $class ) . ' ' . esc_attr( $args['name'] ) . '" ' . checked( 1, $args['current'], false ) . ' />';
+    $output = '<input type="checkbox"' . $attr . ' name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['name']) . '" class="' . esc_attr($class) . ' ' . esc_attr($args['name']) . '" ' . checked(1, $args['current'], false) . ' />';
 
     return $output;
 }
@@ -581,34 +581,34 @@ 
 /**
  * Displays a hidden field.
  */
-function getpaid_hidden_field( $name, $value ) {
-    echo "<input type='hidden' name='" . esc_attr( $name ) . "' value=' " . esc_attr( $value ) . "' />";
+function getpaid_hidden_field($name, $value) {
+    echo "<input type='hidden' name='" . esc_attr($name) . "' value=' " . esc_attr($value) . "' />";
 }
 
 /**
  * Displays a submit field.
  */
-function getpaid_submit_field( $value, $name = 'submit', $class = 'btn-primary' ) {
-    echo "<input type='submit' name='" . esc_attr( $name ) . "' value='" . esc_attr( $value ) . "' class='btn " . esc_attr( $class ) . "' />";
+function getpaid_submit_field($value, $name = 'submit', $class = 'btn-primary') {
+    echo "<input type='submit' name='" . esc_attr($name) . "' value='" . esc_attr($value) . "' class='btn " . esc_attr($class) . "' />";
 }
 
-function wpinv_html_text( $args = array() ) {
+function wpinv_html_text($args = array()) {
     // Backwards compatibility
-    if ( func_num_args() > 1 ) {
+    if (func_num_args() > 1) {
         $args = func_get_args();
 
         $name  = $args[0];
-        $value = isset( $args[1] ) ? $args[1] : '';
-        $label = isset( $args[2] ) ? $args[2] : '';
-        $desc  = isset( $args[3] ) ? $args[3] : '';
+        $value = isset($args[1]) ? $args[1] : '';
+        $label = isset($args[2]) ? $args[2] : '';
+        $desc  = isset($args[3]) ? $args[3] : '';
     }
 
     $defaults = array(
         'id'           => '',
-        'name'         => isset( $name ) ? $name : 'text',
-        'value'        => isset( $value ) ? $value : null,
-        'label'        => isset( $label ) ? $label : null,
-        'desc'         => isset( $desc ) ? $desc : null,
+        'name'         => isset($name) ? $name : 'text',
+        'value'        => isset($value) ? $value : null,
+        'label'        => isset($label) ? $label : null,
+        'desc'         => isset($desc) ? $desc : null,
         'placeholder'  => '',
         'class'        => 'regular-text',
         'disabled'     => false,
@@ -618,41 +618,41 @@ 
         'data'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $options = '';
-    if ( $args['required'] ) {
+    if ($args['required']) {
         $options .= ' required="required"';
     }
-    if ( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
-    if ( $args['readonly'] ) {
+    if ($args['readonly']) {
         $options .= ' readonly';
     }
 
     $data = '';
-    if ( ! empty( $args['data'] ) ) {
-        foreach ( $args['data'] as $key => $value ) {
-            $data .= 'data-' . wpinv_sanitize_key( $key ) . '="' . esc_attr( $value ) . '" ';
+    if (!empty($args['data'])) {
+        foreach ($args['data'] as $key => $value) {
+            $data .= 'data-' . wpinv_sanitize_key($key) . '="' . esc_attr($value) . '" ';
         }
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['id'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['id']) . '">' . esc_html($args['label']) . '</label>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
 
-    $output .= '<input type="text" name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['id'] ) . '" autocomplete="' . esc_attr( $args['autocomplete'] ) . '" value="' . esc_attr( $args['value'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" class="' . $class . '" ' . $data . ' ' . trim( $options ) . '/>';
+    $output .= '<input type="text" name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['id']) . '" autocomplete="' . esc_attr($args['autocomplete']) . '" value="' . esc_attr($args['value']) . '" placeholder="' . esc_attr($args['placeholder']) . '" class="' . $class . '" ' . $data . ' ' . trim($options) . '/>';
 
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_textarea( $args = array() ) {
+function wpinv_html_textarea($args = array()) {
     $defaults = array(
         'name'        => 'textarea',
         'value'       => null,
@@ -663,31 +663,31 @@ 
         'placeholder' => '',
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
-    $class = implode( ' ', array_map( 'sanitize_html_class', explode( ' ', $args['class'] ) ) );
+    $class = implode(' ', array_map('sanitize_html_class', explode(' ', $args['class'])));
     $disabled = '';
-    if ( $args['disabled'] ) {
+    if ($args['disabled']) {
         $disabled = ' disabled="disabled"';
     }
 
-    $output = '<span id="wpinv-' . wpinv_sanitize_key( $args['name'] ) . '-wrap">';
-    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key( $args['name'] ) . '">' . esc_html( $args['label'] ) . '</label>';
-    $output .= '<textarea name="' . esc_attr( $args['name'] ) . '" placeholder="' . esc_attr( $args['placeholder'] ) . '" id="' . wpinv_sanitize_key( $args['name'] ) . '" class="' . $class . '"' . $disabled . '>' . esc_attr( $args['value'] ) . '</textarea>';
+    $output = '<span id="wpinv-' . wpinv_sanitize_key($args['name']) . '-wrap">';
+    $output .= '<label class="wpinv-label" for="' . wpinv_sanitize_key($args['name']) . '">' . esc_html($args['label']) . '</label>';
+    $output .= '<textarea name="' . esc_attr($args['name']) . '" placeholder="' . esc_attr($args['placeholder']) . '" id="' . wpinv_sanitize_key($args['name']) . '" class="' . $class . '"' . $disabled . '>' . esc_attr($args['value']) . '</textarea>';
 
-    if ( ! empty( $args['desc'] ) ) {
-        $output .= '<span class="wpinv-description">' . esc_html( $args['desc'] ) . '</span>';
+    if (!empty($args['desc'])) {
+        $output .= '<span class="wpinv-description">' . esc_html($args['desc']) . '</span>';
     }
     $output .= '</span>';
 
     return $output;
 }
 
-function wpinv_html_ajax_user_search( $args = array() ) {
+function wpinv_html_ajax_user_search($args = array()) {
     $defaults = array(
         'name'         => 'user_id',
         'value'        => null,
-        'placeholder'  => __( 'Enter username', 'invoicing' ),
+        'placeholder'  => __('Enter username', 'invoicing'),
         'label'        => null,
         'desc'         => null,
         'class'        => '',
@@ -696,13 +696,13 @@ 
         'data'         => false,
     );
 
-    $args = wp_parse_args( $args, $defaults );
+    $args = wp_parse_args($args, $defaults);
 
     $args['class'] = 'wpinv-ajax-user-search ' . $args['class'];
 
     $output  = '<span class="wpinv_user_search_wrap">';
-        $output .= wpinv_html_text( $args );
-        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __( 'Cancel', 'invoicing' ) . '" aria-label="' . __( 'Cancel', 'invoicing' ) . '" href="#">x</a><span></span></span>';
+        $output .= wpinv_html_text($args);
+        $output .= '<span class="wpinv_user_search_results hidden"><a class="wpinv-ajax-user-cancel" title="' . __('Cancel', 'invoicing') . '" aria-label="' . __('Cancel', 'invoicing') . '" href="#">x</a><span></span></span>';
     $output .= '</span>';
 
     return $output;
@@ -713,44 +713,44 @@ 
  *
  * @param string $template the template that is currently being used.
  */
-function wpinv_template( $template ) {
+function wpinv_template($template) {
     global $post;
 
-    if ( ! is_admin() && ( is_single() || is_404() ) && ! empty( $post->ID ) && getpaid_is_invoice_post_type( get_post_type( $post->ID ) ) ) {
+    if (!is_admin() && (is_single() || is_404()) && !empty($post->ID) && getpaid_is_invoice_post_type(get_post_type($post->ID))) {
 
         // If the user can view this invoice, display it.
-        if ( wpinv_user_can_view_invoice( $post->ID ) ) {
+        if (wpinv_user_can_view_invoice($post->ID)) {
 
-            return wpinv_get_template_part( 'wpinv-invoice-print', false, false );
+            return wpinv_get_template_part('wpinv-invoice-print', false, false);
 
         // Else display an error message.
         } else {
 
-            return wpinv_get_template_part( 'wpinv-invalid-access', false, false );
+            return wpinv_get_template_part('wpinv-invalid-access', false, false);
 
         }
 }
 
     return $template;
 }
-add_filter( 'template_include', 'wpinv_template', 10, 1 );
+add_filter('template_include', 'wpinv_template', 10, 1);
 
 function wpinv_get_business_address() {
     $business_address   = wpinv_store_address();
-    $business_address   = ! empty( $business_address ) ? wpautop( wp_kses_post( $business_address ) ) : '';
+    $business_address   = !empty($business_address) ? wpautop(wp_kses_post($business_address)) : '';
 
     $business_address = $business_address ? '<div class="address">' . $business_address . '</div>' : '';
 
-    return apply_filters( 'wpinv_get_business_address', $business_address );
+    return apply_filters('wpinv_get_business_address', $business_address);
 }
 
 /**
  * Displays the company address.
  */
 function wpinv_display_from_address() {
-    wpinv_get_template( 'invoice/company-address.php' );
+    wpinv_get_template('invoice/company-address.php');
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_from_address', 10 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_from_address', 10);
 
 /**
  * Generates a watermark text for an invoice.
@@ -758,9 +758,9 @@ 
  * @param WPInv_Invoice $invoice
  * @return string
  */
-function wpinv_watermark( $invoice ) {
-    $watermark = wpinv_get_watermark( $invoice );
-    return apply_filters( 'wpinv_get_watermark', $watermark, $invoice );
+function wpinv_watermark($invoice) {
+    $watermark = wpinv_get_watermark($invoice);
+    return apply_filters('wpinv_get_watermark', $watermark, $invoice);
 }
 
 /**
@@ -769,37 +769,37 @@ 
  * @param WPInv_Invoice $invoice
  * @return string
  */
-function wpinv_get_watermark( $invoice ) {
+function wpinv_get_watermark($invoice) {
     return $invoice->get_status_nicename();
 }
 
 /**
  * @deprecated
  */
-function wpinv_display_invoice_details( $invoice ) {
-    return getpaid_invoice_meta( $invoice );
+function wpinv_display_invoice_details($invoice) {
+    return getpaid_invoice_meta($invoice);
 }
 
 /**
  * Displays invoice meta.
  */
-function getpaid_invoice_meta( $invoice ) {
+function getpaid_invoice_meta($invoice) {
 
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Ensure that we have an invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Get the invoice meta.
-    $meta = getpaid_get_invoice_meta( $invoice );
+    $meta = getpaid_get_invoice_meta($invoice);
 
     // Display the meta.
-    wpinv_get_template( 'invoice/invoice-meta.php', compact( 'invoice', 'meta' ) );
+    wpinv_get_template('invoice/invoice-meta.php', compact('invoice', 'meta'));
 
 }
-add_action( 'getpaid_invoice_details_right', 'getpaid_invoice_meta', 10 );
+add_action('getpaid_invoice_details_right', 'getpaid_invoice_meta', 10);
 
 /**
  * Retrieves the address markup to use on Invoices.
@@ -811,29 +811,29 @@ 
  * @param  string $separator How to separate address lines.
  * @return string
  */
-function wpinv_get_invoice_address_markup( $billing_details, $separator = '<br/>' ) {
+function wpinv_get_invoice_address_markup($billing_details, $separator = '<br/>') {
 
     // Retrieve the address markup...
-    $country = empty( $billing_details['country'] ) ? '' : $billing_details['country'];
-    $format = wpinv_get_full_address_format( $country );
+    $country = empty($billing_details['country']) ? '' : $billing_details['country'];
+    $format = wpinv_get_full_address_format($country);
 
     // ... and the replacements.
-    $replacements = wpinv_get_invoice_address_replacements( $billing_details );
+    $replacements = wpinv_get_invoice_address_replacements($billing_details);
 
-    $formatted_address = str_ireplace( array_keys( $replacements ), $replacements, $format );
+    $formatted_address = str_ireplace(array_keys($replacements), $replacements, $format);
 
 	// Remove unavailable tags.
-    $formatted_address = preg_replace( '/\{\{\w+\}\}/', '', $formatted_address );
+    $formatted_address = preg_replace('/\{\{\w+\}\}/', '', $formatted_address);
 
     // Clean up white space.
-	$formatted_address = preg_replace( '/  +/', ' ', trim( $formatted_address ) );
-    $formatted_address = preg_replace( '/\n\n+/', "\n", $formatted_address );
+	$formatted_address = preg_replace('/  +/', ' ', trim($formatted_address));
+    $formatted_address = preg_replace('/\n\n+/', "\n", $formatted_address);
 
     // Break newlines apart and remove empty lines/trim commas and white space.
-	$formatted_address = array_filter( array_map( 'wpinv_trim_formatted_address_line', explode( "\n", $formatted_address ) ) );
+	$formatted_address = array_filter(array_map('wpinv_trim_formatted_address_line', explode("\n", $formatted_address)));
 
     // Add html breaks.
-	$formatted_address = implode( $separator, $formatted_address );
+	$formatted_address = implode($separator, $formatted_address);
 
 	// We're done!
 	return $formatted_address;
@@ -845,119 +845,119 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_to_address( $invoice = 0 ) {
-    if ( ! empty( $invoice ) ) {
-        wpinv_get_template( 'invoice/billing-address.php', compact( 'invoice' ) );
+function wpinv_display_to_address($invoice = 0) {
+    if (!empty($invoice)) {
+        wpinv_get_template('invoice/billing-address.php', compact('invoice'));
     }
 }
-add_action( 'getpaid_invoice_details_left', 'wpinv_display_to_address', 40 );
+add_action('getpaid_invoice_details_left', 'wpinv_display_to_address', 40);
 
 
 /**
  * Displays invoice line items.
  */
-function wpinv_display_line_items( $invoice_id = 0 ) {
+function wpinv_display_line_items($invoice_id = 0) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return;
     }
 
     // Line item columns.
-    $columns = getpaid_invoice_item_columns( $invoice );
-    $columns = apply_filters( 'getpaid_invoice_line_items_table_columns', $columns, $invoice );
+    $columns = getpaid_invoice_item_columns($invoice);
+    $columns = apply_filters('getpaid_invoice_line_items_table_columns', $columns, $invoice);
 
-    wpinv_get_template( 'invoice/line-items.php', compact( 'invoice', 'columns' ) );
+    wpinv_get_template('invoice/line-items.php', compact('invoice', 'columns'));
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_line_items', 10 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_line_items', 10);
 
 /**
  * Displays invoice subscriptions.
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_display_invoice_subscriptions( $invoice ) {
+function getpaid_display_invoice_subscriptions($invoice) {
 
     // Subscriptions.
-	$subscriptions = getpaid_get_invoice_subscriptions( $invoice );
+	$subscriptions = getpaid_get_invoice_subscriptions($invoice);
 
-    if ( empty( $subscriptions ) || ! $invoice->is_recurring() ) {
+    if (empty($subscriptions) || !$invoice->is_recurring()) {
         return;
     }
 
-    $main_subscription = getpaid_get_invoice_subscription( $invoice );
+    $main_subscription = getpaid_get_invoice_subscription($invoice);
 
     // Display related subscriptions.
-    if ( is_array( $subscriptions ) ) {
-        printf( '<h2 class="mt-5 mb-1 h4">%s</h2>', esc_html__( 'Related Subscriptions', 'invoicing' ) );
-        getpaid_admin_subscription_related_subscriptions_metabox( $main_subscription, false );
+    if (is_array($subscriptions)) {
+        printf('<h2 class="mt-5 mb-1 h4">%s</h2>', esc_html__('Related Subscriptions', 'invoicing'));
+        getpaid_admin_subscription_related_subscriptions_metabox($main_subscription, false);
     }
 
-    if ( $main_subscription->get_total_payments() > 1 ) {
-        printf( '<h2 class="mt-5 mb-1 h4">%s</h2>', esc_html__( 'Related Invoices', 'invoicing' ) );
-        getpaid_admin_subscription_invoice_details_metabox( $main_subscription, false );
+    if ($main_subscription->get_total_payments() > 1) {
+        printf('<h2 class="mt-5 mb-1 h4">%s</h2>', esc_html__('Related Invoices', 'invoicing'));
+        getpaid_admin_subscription_invoice_details_metabox($main_subscription, false);
     }
 
 }
-add_action( 'getpaid_invoice_line_items', 'getpaid_display_invoice_subscriptions', 55 );
-add_action( 'wpinv_receipt_end', 'getpaid_display_invoice_subscriptions', 11 );
+add_action('getpaid_invoice_line_items', 'getpaid_display_invoice_subscriptions', 55);
+add_action('wpinv_receipt_end', 'getpaid_display_invoice_subscriptions', 11);
 
 /**
  * Displays invoice notices on invoices.
  */
 function wpinv_display_invoice_notice() {
 
-    $label  = wpinv_get_option( 'vat_invoice_notice_label' );
-    $notice = wpinv_get_option( 'vat_invoice_notice' );
+    $label  = wpinv_get_option('vat_invoice_notice_label');
+    $notice = wpinv_get_option('vat_invoice_notice');
 
-    if ( empty( $label ) && empty( $notice ) ) {
+    if (empty($label) && empty($notice)) {
         return;
     }
 
     echo '<div class="mt-4 mb-4 wpinv-vat-notice">';
 
-    if ( ! empty( $label ) ) {
-        $label = esc_html( $label );
+    if (!empty($label)) {
+        $label = esc_html($label);
         echo "<h5>$label</h5>";
     }
 
-    if ( ! empty( $notice ) ) {
-        echo '<small class="form-text text-muted">' . wp_kses_post( wpautop( wptexturize( $notice ) ) ) . '</small>';
+    if (!empty($notice)) {
+        echo '<small class="form-text text-muted">' . wp_kses_post(wpautop(wptexturize($notice))) . '</small>';
     }
 
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notice', 100);
 
 /**
  * @param WPInv_Invoice $invoice
  */
-function wpinv_display_invoice_notes( $invoice ) {
+function wpinv_display_invoice_notes($invoice) {
 
     // Retrieve the notes.
-    $notes = wpinv_get_invoice_notes( $invoice->get_id(), 'customer' );
+    $notes = wpinv_get_invoice_notes($invoice->get_id(), 'customer');
 
     // Abort if we have non.
-    if ( empty( $notes ) ) {
+    if (empty($notes)) {
         return;
     }
 
     // Echo the note.
     echo '<div class="getpaid-invoice-notes-wrapper position-relative my-4">';
-    echo '<h2 class="getpaid-invoice-notes-title mb-1 p-0 h4">' . __( 'Notes', 'invoicing' ) . '</h2>';
+    echo '<h2 class="getpaid-invoice-notes-title mb-1 p-0 h4">' . __('Notes', 'invoicing') . '</h2>';
     echo '<ul class="getpaid-invoice-notes text-break overflow-auto list-unstyled p-0 m-0">';
 
-    foreach ( $notes as $note ) {
-        wpinv_get_invoice_note_line_item( $note );
+    foreach ($notes as $note) {
+        wpinv_get_invoice_note_line_item($note);
     }
 
     echo '</ul>';
     echo '</div>';
 }
-add_action( 'getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60 );
+add_action('getpaid_invoice_line_items', 'wpinv_display_invoice_notes', 60);
 
 /**
  * Loads scripts on our invoice templates.
@@ -965,32 +965,32 @@ 
 function wpinv_display_style() {
 
     // Make sure that all scripts have been loaded.
-    if ( ! did_action( 'wp_enqueue_scripts' ) ) {
-        do_action( 'wp_enqueue_scripts' );
+    if (!did_action('wp_enqueue_scripts')) {
+        do_action('wp_enqueue_scripts');
     }
 
     // Register the invoices style.
-    wp_register_style( 'wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime( WPINV_PLUGIN_DIR . 'assets/css/invoice.css' ) );
+    wp_register_style('wpinv-single-style', WPINV_PLUGIN_URL . 'assets/css/invoice.css', array(), filemtime(WPINV_PLUGIN_DIR . 'assets/css/invoice.css'));
 
     // Load required styles
-    wp_print_styles( 'wpinv-single-style' );
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('wpinv-single-style');
+    wp_print_styles('ayecode-ui');
 
     // Maybe load custom css.
-    $custom_css = wpinv_get_option( 'template_custom_css' );
+    $custom_css = wpinv_get_option('template_custom_css');
 
-    if ( isset( $custom_css ) && ! empty( $custom_css ) ) {
-        $custom_css     = wp_kses( $custom_css, array( '\'', '\"' ) );
-        $custom_css     = str_replace( '&gt;', '>', $custom_css );
+    if (isset($custom_css) && !empty($custom_css)) {
+        $custom_css     = wp_kses($custom_css, array('\'', '\"'));
+        $custom_css     = str_replace('&gt;', '>', $custom_css);
         echo '<style type="text/css">';
-        echo wp_kses_post( $custom_css );
+        echo wp_kses_post($custom_css);
         echo '</style>';
     }
 
     wp_site_icon();
 }
-add_action( 'wpinv_invoice_print_head', 'wpinv_display_style' );
-add_action( 'wpinv_invalid_invoice_head', 'wpinv_display_style' );
+add_action('wpinv_invoice_print_head', 'wpinv_display_style');
+add_action('wpinv_invalid_invoice_head', 'wpinv_display_style');
 
 
 /**
@@ -1002,41 +1002,41 @@ 
     // Retrieve the current invoice.
     $invoice_id = getpaid_get_current_invoice_id();
 
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Invalid invoice', 'invoicing' ),
+                'content' => __('Invalid invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_user_can_view_invoice( $invoice_id ) ) {
+    if (!wpinv_user_can_view_invoice($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this invoice', 'invoicing' ),
+                'content' => __('You are not allowed to view this invoice', 'invoicing'),
             )
         );
 
     }
 
     // Ensure that it is not yet paid for.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Maybe mark it as viewed.
-    getpaid_maybe_mark_invoice_as_viewed( $invoice );
+    getpaid_maybe_mark_invoice_as_viewed($invoice);
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 
         return aui()->alert(
             array(
                 'type'    => 'success',
-                'content' => __( 'This invoice has already been paid.', 'invoicing' ),
+                'content' => __('This invoice has already been paid.', 'invoicing'),
             )
         );
 
@@ -1046,15 +1046,15 @@ 
     $wpi_checkout_id = $invoice_id;
 
     // Retrieve appropriate payment form.
-    $payment_form = new GetPaid_Payment_Form( $invoice->get_meta( 'force_payment_form' ) );
-    $payment_form = $payment_form->exists() ? $payment_form : new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
+    $payment_form = new GetPaid_Payment_Form($invoice->get_meta('force_payment_form'));
+    $payment_form = $payment_form->exists() ? $payment_form : new GetPaid_Payment_Form(wpinv_get_default_payment_form());
 
-    if ( ! $payment_form->exists() ) {
+    if (!$payment_form->exists()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'Error loading the payment form', 'invoicing' ),
+                'content' => __('Error loading the payment form', 'invoicing'),
             )
         );
 
@@ -1063,29 +1063,29 @@ 
     // Set the invoice.
     $payment_form->invoice = $invoice;
 
-    if ( ! $payment_form->is_default() ) {
+    if (!$payment_form->is_default()) {
 
         $items    = array();
         $item_ids = array();
 
-        foreach ( $invoice->get_items() as $item ) {
-            if ( ! in_array( $item->get_id(), $item_ids ) ) {
+        foreach ($invoice->get_items() as $item) {
+            if (!in_array($item->get_id(), $item_ids)) {
                 $item_ids[] = $item->get_id();
                 $items[]    = $item;
             }
         }
 
-        foreach ( $payment_form->get_items() as $item ) {
-            if ( ! in_array( $item->get_id(), $item_ids ) ) {
+        foreach ($payment_form->get_items() as $item) {
+            if (!in_array($item->get_id(), $item_ids)) {
                 $item_ids[] = $item->get_id();
                 $items[]    = $item;
             }
         }
 
-        $payment_form->set_items( $items );
+        $payment_form->set_items($items);
 
     } else {
-        $payment_form->set_items( $invoice->get_items() );
+        $payment_form->set_items($invoice->get_items());
     }
 
     // Generate the html.
@@ -1094,7 +1094,7 @@ 
 }
 
 function wpinv_empty_cart_message() {
-	return apply_filters( 'wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __( 'Your cart is empty.', 'invoicing' ) . '</span>' );
+	return apply_filters('wpinv_empty_cart_message', '<span class="wpinv_empty_cart">' . __('Your cart is empty.', 'invoicing') . '</span>');
 }
 
 /**
@@ -1111,76 +1111,76 @@ 
         )
     );
 }
-add_action( 'wpinv_cart_empty', 'wpinv_empty_checkout_cart' );
+add_action('wpinv_cart_empty', 'wpinv_empty_checkout_cart');
 
 /**
  * Filters the receipt page.
  */
-function wpinv_filter_success_page_content( $content ) {
+function wpinv_filter_success_page_content($content) {
 
     // Maybe abort early.
-    if ( is_admin() || ! is_singular() || ! in_the_loop() || ! is_main_query() || is_preview() ) {
+    if (is_admin() || !is_singular() || !in_the_loop() || !is_main_query() || is_preview()) {
         return $content;
     }
 
     // Ensure this is our page.
-    if ( isset( $_GET['payment-confirm'] ) && wpinv_is_success_page() ) {
+    if (isset($_GET['payment-confirm']) && wpinv_is_success_page()) {
 
-        $gateway = sanitize_text_field( $_GET['payment-confirm'] );
-        return apply_filters( "wpinv_payment_confirm_$gateway", $content );
+        $gateway = sanitize_text_field($_GET['payment-confirm']);
+        return apply_filters("wpinv_payment_confirm_$gateway", $content);
 
     }
 
     return $content;
 }
-add_filter( 'the_content', 'wpinv_filter_success_page_content', 99999 );
+add_filter('the_content', 'wpinv_filter_success_page_content', 99999);
 
-function wpinv_invoice_link( $invoice_id ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_invoice_link($invoice_id) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return null;
     }
 
-    $invoice_link = '<a href="' . esc_url( $invoice->get_view_url() ) . '">' . $invoice->get_number() . '</a>';
+    $invoice_link = '<a href="' . esc_url($invoice->get_view_url()) . '">' . $invoice->get_number() . '</a>';
 
-    return apply_filters( 'wpinv_get_invoice_link', $invoice_link, $invoice );
+    return apply_filters('wpinv_get_invoice_link', $invoice_link, $invoice);
 }
 
-function wpinv_get_invoice_note_line_item( $note, $echo = true ) {
-    if ( empty( $note ) ) {
+function wpinv_get_invoice_note_line_item($note, $echo = true) {
+    if (empty($note)) {
         return null;
     }
 
-    if ( is_int( $note ) ) {
-        $note = get_comment( $note );
+    if (is_int($note)) {
+        $note = get_comment($note);
     }
 
-    if ( ! ( is_object( $note ) && is_a( $note, 'WP_Comment' ) ) ) {
+    if (!(is_object($note) && is_a($note, 'WP_Comment'))) {
         return null;
     }
 
-    $note_classes   = array( 'note' );
-    $note_classes[] = get_comment_meta( $note->comment_ID, '_wpi_customer_note', true ) ? 'customer-note' : '';
+    $note_classes   = array('note');
+    $note_classes[] = get_comment_meta($note->comment_ID, '_wpi_customer_note', true) ? 'customer-note' : '';
     $note_classes[] = $note->comment_author === 'System' ? 'system-note' : '';
-    $note_classes   = apply_filters( 'wpinv_invoice_note_class', array_filter( $note_classes ), $note );
-    $note_classes   = ! empty( $note_classes ) ? implode( ' ', $note_classes ) : '';
+    $note_classes   = apply_filters('wpinv_invoice_note_class', array_filter($note_classes), $note);
+    $note_classes   = !empty($note_classes) ? implode(' ', $note_classes) : '';
 
     ob_start();
     ?>
-    <li rel="<?php echo absint( $note->comment_ID ); ?>" class="<?php echo esc_attr( $note_classes ); ?> mb-2">
+    <li rel="<?php echo absint($note->comment_ID); ?>" class="<?php echo esc_attr($note_classes); ?> mb-2">
         <div class="note_content">
 
-            <?php echo wptexturize( wp_kses_post( $note->comment_content ) ); ?>
+            <?php echo wptexturize(wp_kses_post($note->comment_content)); ?>
 
-            <?php if ( ! is_admin() ) : ?>
+            <?php if (!is_admin()) : ?>
                 <em class="small form-text text-muted mt-0">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </em>
@@ -1188,21 +1188,21 @@ 
 
         </div>
 
-        <?php if ( is_admin() ) : ?>
+        <?php if (is_admin()) : ?>
 
             <p class="meta px-4 py-2">
-                <abbr class="exact-date" title="<?php echo esc_attr( $note->comment_date ); ?>">
+                <abbr class="exact-date" title="<?php echo esc_attr($note->comment_date); ?>">
                     <?php
                         printf(
-                            __( '%1$s - %2$s at %3$s', 'invoicing' ),
+                            __('%1$s - %2$s at %3$s', 'invoicing'),
                             $note->comment_author,
-                            getpaid_format_date_value( $note->comment_date ),
-                            date_i18n( get_option( 'time_format' ), strtotime( $note->comment_date ) )
+                            getpaid_format_date_value($note->comment_date),
+                            date_i18n(get_option('time_format'), strtotime($note->comment_date))
                         );
                     ?>
                 </abbr>&nbsp;&nbsp;
-                <?php if ( $note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing() ) { ?>
-                    <a href="#" class="delete_note"><?php esc_html_e( 'Delete note', 'invoicing' ); ?></a>
+                <?php if ($note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing()) { ?>
+                    <a href="#" class="delete_note"><?php esc_html_e('Delete note', 'invoicing'); ?></a>
                 <?php } ?>
             </p>
 
@@ -1211,10 +1211,10 @@ 
     </li>
     <?php
     $note_content = ob_get_clean();
-    $note_content = apply_filters( 'wpinv_get_invoice_note_line_item', $note_content, $note, $echo );
+    $note_content = apply_filters('wpinv_get_invoice_note_line_item', $note_content, $note, $echo);
 
-    if ( $echo ) {
-        echo wp_kses_post( $note_content );
+    if ($echo) {
+        echo wp_kses_post($note_content);
     } else {
         return $note_content;
     }
@@ -1227,43 +1227,43 @@ 
  * @return string
  */
 function wpinv_get_policy_text() {
-    $privacy_page_id = get_option( 'wp_page_for_privacy_policy', 0 );
+    $privacy_page_id = get_option('wp_page_for_privacy_policy', 0);
 
-    $text = wpinv_get_option( 'invoicing_privacy_checkout_message', sprintf( __( 'Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing' ), '[wpinv_privacy_policy]' ) );
+    $text = wpinv_get_option('invoicing_privacy_checkout_message', sprintf(__('Your personal data will be used to process your invoice, payment and for other purposes described in our %s.', 'invoicing'), '[wpinv_privacy_policy]'));
 
-    if ( ! $privacy_page_id ) {
-        $privacy_page_id = wpinv_get_option( 'privacy_page', 0 );
+    if (!$privacy_page_id) {
+        $privacy_page_id = wpinv_get_option('privacy_page', 0);
     }
 
-    $privacy_link    = $privacy_page_id ? '<a href="' . esc_url( get_permalink( $privacy_page_id ) ) . '" class="wpinv-privacy-policy-link" target="_blank">' . __( 'privacy policy', 'invoicing' ) . '</a>' : __( 'privacy policy', 'invoicing' );
+    $privacy_link = $privacy_page_id ? '<a href="' . esc_url(get_permalink($privacy_page_id)) . '" class="wpinv-privacy-policy-link" target="_blank">' . __('privacy policy', 'invoicing') . '</a>' : __('privacy policy', 'invoicing');
 
     $find_replace = array(
         '[wpinv_privacy_policy]' => $privacy_link,
     );
 
-    $privacy_text = str_replace( array_keys( $find_replace ), array_values( $find_replace ), $text );
+    $privacy_text = str_replace(array_keys($find_replace), array_values($find_replace), $text);
 
-    return wp_kses_post( wpautop( $privacy_text ) );
+    return wp_kses_post(wpautop($privacy_text));
 }
 
 function wpinv_oxygen_fix_conflict() {
     global $ct_ignore_post_types;
 
-    if ( ! is_array( $ct_ignore_post_types ) ) {
+    if (!is_array($ct_ignore_post_types)) {
         $ct_ignore_post_types = array();
     }
 
-    $post_types = array( 'wpi_discount', 'wpi_invoice', 'wpi_item', 'wpi_payment_form' );
+    $post_types = array('wpi_discount', 'wpi_invoice', 'wpi_item', 'wpi_payment_form');
 
-    foreach ( $post_types as $post_type ) {
+    foreach ($post_types as $post_type) {
         $ct_ignore_post_types[] = $post_type;
 
         // Ignore post type
-        add_filter( 'pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999 );
+        add_filter('pre_option_oxygen_vsb_ignore_post_type_' . $post_type, '__return_true', 999);
     }
 
-    remove_filter( 'template_include', 'wpinv_template', 10, 1 );
-    add_filter( 'template_include', 'wpinv_template', 999, 1 );
+    remove_filter('template_include', 'wpinv_template', 10, 1);
+    add_filter('template_include', 'wpinv_template', 999, 1);
 }
 
 /**
@@ -1271,10 +1271,10 @@ 
  *
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_display_payment_form( $form ) {
+function getpaid_display_payment_form($form) {
 
-    if ( is_numeric( $form ) ) {
-        $form = new GetPaid_Payment_Form( $form );
+    if (is_numeric($form)) {
+        $form = new GetPaid_Payment_Form($form);
     }
 
     $form->display();
@@ -1284,58 +1284,58 @@ 
 /**
  * Helper function to display a item payment form on the frontend.
  */
-function getpaid_display_item_payment_form( $items ) {
+function getpaid_display_item_payment_form($items) {
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $items );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($items);
 
-    if ( 0 == count( $form->get_items() ) ) {
+    if (0 == count($form->get_items())) {
         echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'No published items found', 'invoicing' ),
+				'content' => __('No published items found', 'invoicing'),
 			)
         );
         return;
     }
 
-    $extra_items     = esc_attr( getpaid_convert_items_to_string( $items ) );
-    $extra_items_key = md5( NONCE_KEY . AUTH_KEY . $extra_items );
+    $extra_items     = esc_attr(getpaid_convert_items_to_string($items));
+    $extra_items_key = md5(NONCE_KEY . AUTH_KEY . $extra_items);
     $extra_items     = "<input type='hidden' name='getpaid-form-items' value='$extra_items' />";
     $extra_items    .= "<input type='hidden' name='getpaid-form-items-key' value='$extra_items_key' />";
 
-    $form->display( $extra_items );
+    $form->display($extra_items);
 }
 
 /**
  * Helper function to display an invoice payment form on the frontend.
  */
-function getpaid_display_invoice_payment_form( $invoice_id ) {
+function getpaid_display_invoice_payment_form($invoice_id) {
 
-    $invoice = wpinv_get_invoice( $invoice_id );
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice not found', 'invoicing' ),
+				'content' => __('Invoice not found', 'invoicing'),
 			)
         );
         return;
     }
 
-    if ( $invoice->is_paid() ) {
+    if ($invoice->is_paid()) {
 		echo aui()->alert(
 			array(
 				'type'    => 'warning',
-				'content' => __( 'Invoice has already been paid', 'invoicing' ),
+				'content' => __('Invoice has already been paid', 'invoicing'),
 			)
         );
         return;
     }
 
-    $form = new GetPaid_Payment_Form( wpinv_get_default_payment_form() );
-    $form->set_items( $invoice->get_items() );
+    $form = new GetPaid_Payment_Form(wpinv_get_default_payment_form());
+    $form->set_items($invoice->get_items());
 
     $form->display();
 }
@@ -1343,23 +1343,23 @@ 
 /**
  * Helper function to convert item string to array.
  */
-function getpaid_convert_items_to_array( $items ) {
-    $items    = array_filter( array_map( 'trim', explode( ',', $items ) ) );
+function getpaid_convert_items_to_array($items) {
+    $items    = array_filter(array_map('trim', explode(',', $items)));
     $prepared = array();
 
-    foreach ( $items as $item ) {
-        $data = array_map( 'trim', explode( '|', $item ) );
+    foreach ($items as $item) {
+        $data = array_map('trim', explode('|', $item));
 
-        if ( empty( $data[0] ) || ! is_numeric( $data[0] ) ) {
+        if (empty($data[0]) || !is_numeric($data[0])) {
             continue;
         }
 
         $quantity = 1;
-        if ( isset( $data[1] ) && is_numeric( $data[1] ) ) {
+        if (isset($data[1]) && is_numeric($data[1])) {
             $quantity = (float) $data[1];
         }
 
-        $prepared[ $data[0] ] = $quantity;
+        $prepared[$data[0]] = $quantity;
 
     }
 
@@ -1369,13 +1369,13 @@ 
 /**
  * Helper function to convert item array to string.
  */
-function getpaid_convert_items_to_string( $items ) {
+function getpaid_convert_items_to_string($items) {
     $prepared = array();
 
-    foreach ( $items as $item => $quantity ) {
+    foreach ($items as $item => $quantity) {
         $prepared[] = "$item|$quantity";
     }
-    return implode( ',', $prepared );
+    return implode(',', $prepared);
 }
 
 /**
@@ -1383,21 +1383,21 @@ 
  *
  * Provide a label and one of $form, $items or $invoice.
  */
-function getpaid_get_payment_button( $label, $form = null, $items = null, $invoice = null ) {
-    $label = sanitize_text_field( $label );
+function getpaid_get_payment_button($label, $form = null, $items = null, $invoice = null) {
+    $label = sanitize_text_field($label);
 
-    if ( ! empty( $form ) ) {
-        $form  = esc_attr( $form );
+    if (!empty($form)) {
+        $form = esc_attr($form);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-form='$form'>$label</button>";
     }
 
-	if ( ! empty( $items ) ) {
-        $items  = esc_attr( $items );
+	if (!empty($items)) {
+        $items = esc_attr($items);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-item='$items'>$label</button>";
     }
 
-    if ( ! empty( $invoice ) ) {
-        $invoice  = esc_attr( $invoice );
+    if (!empty($invoice)) {
+        $invoice = esc_attr($invoice);
         return "<button class='btn btn-primary getpaid-payment-button' type='button' data-invoice='$invoice'>$label</button>";
     }
 
@@ -1408,18 +1408,18 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_the_invoice_description( $invoice ) {
+function getpaid_the_invoice_description($invoice) {
     $description = $invoice->get_description();
 
-    if ( empty( $description ) ) {
+    if (empty($description)) {
         return;
     }
 
-    $description = wp_kses_post( wpautop( $description ) );
+    $description = wp_kses_post(wpautop($description));
     echo "<small class='getpaid-invoice-description text-dark p-2 form-text' style='margin-bottom: 20px; border-left: 2px solid #2196F3;'><em>$description</em></small>";
 }
-add_action( 'getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100 );
-add_action( 'wpinv_email_billing_details', 'getpaid_the_invoice_description', 100 );
+add_action('getpaid_invoice_line_items', 'getpaid_the_invoice_description', 100);
+add_action('wpinv_email_billing_details', 'getpaid_the_invoice_description', 100);
 
 /**
  * Render element on a form.
@@ -1427,60 +1427,60 @@ 
  * @param array $element
  * @param GetPaid_Payment_Form $form
  */
-function getpaid_payment_form_element( $element, $form ) {
+function getpaid_payment_form_element($element, $form) {
 
     // Set up the args.
-    $element_type    = trim( $element['type'] );
+    $element_type    = trim($element['type']);
     $element['form'] = $form;
-    extract( $element );
+    extract($element);
 
     // Try to locate the appropriate template.
-    $located = wpinv_locate_template( "payment-forms/elements/$element_type.php" );
+    $located = wpinv_locate_template("payment-forms/elements/$element_type.php");
 
     // Abort if this is not our element.
-    if ( empty( $located ) || ! file_exists( $located ) ) {
+    if (empty($located) || !file_exists($located)) {
         return;
     }
 
     // Generate the class and id of the element.
-    $wrapper_class = 'getpaid-payment-form-element-' . trim( esc_attr( $element_type ) );
-    $id            = isset( $id ) ? $id : uniqid( 'gp' );
+    $wrapper_class = 'getpaid-payment-form-element-' . trim(esc_attr($element_type));
+    $id            = isset($id) ? $id : uniqid('gp');
 
     // Echo the opening wrapper.
     echo "<div class='getpaid-payment-form-element $wrapper_class'>";
 
     // Fires before displaying a given element type's content.
-    do_action( "getpaid_before_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_before_payment_form_{$element_type}_element", $element, $form);
 
     // Include the template for the element.
     include $located;
 
     // Fires after displaying a given element type's content.
-    do_action( "getpaid_payment_form_{$element_type}_element", $element, $form );
+    do_action("getpaid_payment_form_{$element_type}_element", $element, $form);
 
     // Echo the closing wrapper.
     echo '</div>';
 }
-add_action( 'getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2 );
+add_action('getpaid_payment_form_element', 'getpaid_payment_form_element', 10, 2);
 
 /**
  * Render an element's edit page.
  *
  * @param WP_Post $post
  */
-function getpaid_payment_form_edit_element_template( $post ) {
+function getpaid_payment_form_edit_element_template($post) {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = esc_attr( sanitize_key( $element ) );
-        $located = wpinv_locate_template( "payment-forms-admin/edit/$element.php" );
+        $element = esc_attr(sanitize_key($element));
+        $located = wpinv_locate_template("payment-forms-admin/edit/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1491,7 +1491,7 @@ 
     }
 
 }
-add_action( 'getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template' );
+add_action('getpaid_payment_form_edit_element_template', 'getpaid_payment_form_edit_element_template');
 
 /**
  * Render an element's preview.
@@ -1500,16 +1500,16 @@ 
 function getpaid_payment_form_render_element_preview_template() {
 
     // Retrieve all elements.
-    $all_elements = wp_list_pluck( wpinv_get_data( 'payment-form-elements' ), 'type' );
+    $all_elements = wp_list_pluck(wpinv_get_data('payment-form-elements'), 'type');
 
-    foreach ( $all_elements as $element ) {
+    foreach ($all_elements as $element) {
 
         // Try to locate the appropriate template.
-        $element = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/previews/$element.php" );
+        $element = sanitize_key($element);
+        $located = wpinv_locate_template("payment-forms-admin/previews/$element.php");
 
         // Continue if this is not our element.
-        if ( empty( $located ) || ! file_exists( $located ) ) {
+        if (empty($located) || !file_exists($located)) {
             continue;
         }
 
@@ -1520,7 +1520,7 @@ 
     }
 
 }
-add_action( 'wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template' );
+add_action('wpinv_payment_form_render_element_template', 'getpaid_payment_form_render_element_preview_template');
 
 /**
  * Shows a list of gateways that support recurring payments.
@@ -1528,17 +1528,17 @@ 
 function wpinv_get_recurring_gateways_text() {
     $gateways = array();
 
-    foreach ( wpinv_get_payment_gateways() as $key => $gateway ) {
-        if ( wpinv_gateway_support_subscription( $key ) ) {
-            $gateways[] = sanitize_text_field( $gateway['admin_label'] );
+    foreach (wpinv_get_payment_gateways() as $key => $gateway) {
+        if (wpinv_gateway_support_subscription($key)) {
+            $gateways[] = sanitize_text_field($gateway['admin_label']);
         }
     }
 
-    if ( empty( $gateways ) ) {
-        return "<span class='form-text text-danger'>" . __( 'No active gateways support subscription payments.', 'invoicing' ) . '</span>';
+    if (empty($gateways)) {
+        return "<span class='form-text text-danger'>" . __('No active gateways support subscription payments.', 'invoicing') . '</span>';
     }
 
-    return "<span class='form-text text-muted'>" . wp_sprintf( __( 'Subscription payments only supported by: %s', 'invoicing' ), implode( ', ', $gateways ) ) . '</span>';
+    return "<span class='form-text text-muted'>" . wp_sprintf(__('Subscription payments only supported by: %s', 'invoicing'), implode(', ', $gateways)) . '</span>';
 
 }
 
@@ -1548,7 +1548,7 @@ 
  * @return GetPaid_Template
  */
 function getpaid_template() {
-    return getpaid()->get( 'template' );
+    return getpaid()->get('template');
 }
 
 /**
@@ -1557,8 +1557,8 @@ 
  * @param array args
  * @return string
  */
-function getpaid_paginate_links( $args ) {
-    return str_replace( 'page-link dots', 'page-link text-dark', aui()->pagination( $args ) );
+function getpaid_paginate_links($args) {
+    return str_replace('page-link dots', 'page-link text-dark', aui()->pagination($args));
 }
 
 /**
@@ -1568,22 +1568,22 @@ 
  * @param string state
  * @return string
  */
-function getpaid_get_states_select_markup( $country, $state, $placeholder, $label, $help_text, $required = false, $wrapper_class = 'col-12', $field_name = 'wpinv_state' ) {
+function getpaid_get_states_select_markup($country, $state, $placeholder, $label, $help_text, $required = false, $wrapper_class = 'col-12', $field_name = 'wpinv_state') {
 
-    $states = wpinv_get_country_states( $country );
-    $uniqid = uniqid( '_' );
+    $states = wpinv_get_country_states($country);
+    $uniqid = uniqid('_');
 
-    if ( ! empty( $states ) ) {
+    if (!empty($states)) {
 
         return aui()->select(
             array(
 				'options'          => $states,
-				'name'             => esc_attr( $field_name ),
-				'id'               => sanitize_html_class( $field_name ) . $uniqid,
-				'value'            => sanitize_text_field( $state ),
+				'name'             => esc_attr($field_name),
+				'id'               => sanitize_html_class($field_name) . $uniqid,
+				'value'            => sanitize_text_field($state),
 				'placeholder'      => $placeholder,
 				'required'         => $required,
-				'label'            => wp_kses_post( $label ),
+				'label'            => wp_kses_post($label),
 				'label_type'       => 'vertical',
 				'help_text'        => $help_text,
 				'class'            => 'getpaid-address-field wpinv_state',
@@ -1599,14 +1599,14 @@ 
 
     return aui()->input(
         array(
-            'name'             => esc_attr( $field_name ),
-            'id'               => sanitize_html_class( $field_name ) . $uniqid,
+            'name'             => esc_attr($field_name),
+            'id'               => sanitize_html_class($field_name) . $uniqid,
             'placeholder'      => $placeholder,
             'required'         => $required,
-            'label'            => wp_kses_post( $label ),
+            'label'            => wp_kses_post($label),
             'label_type'       => 'vertical',
             'help_text'        => $help_text,
-            'value'            => sanitize_text_field( $state ),
+            'value'            => sanitize_text_field($state),
             'class'            => 'getpaid-address-field wpinv_state',
             'wrap_class'       => "$wrapper_class getpaid-address-field-wrapper__state",
             'label_class'      => 'getpaid-address-field-label getpaid-address-field-label__state',
@@ -1624,16 +1624,16 @@ 
  * @param array $element
  * @return string
  */
-function getpaid_get_form_element_grid_class( $element ) {
+function getpaid_get_form_element_grid_class($element) {
 
     $class = 'col-12';
-    $width = empty( $element['grid_width'] ) ? 'full' : $element['grid_width'];
+    $width = empty($element['grid_width']) ? 'full' : $element['grid_width'];
 
-    if ( $width == 'half' ) {
+    if ($width == 'half') {
         $class .= ' col-md-6';
     }
 
-    if ( $width == 'third' ) {
+    if ($width == 'third') {
         $class .= ' col-md-4';
     }
 
@@ -1648,15 +1648,15 @@ 
  *
  * @return string
  */
-function getpaid_embed_url( $payment_form = false, $items = false ) {
+function getpaid_embed_url($payment_form = false, $items = false) {
 
     return add_query_arg(
         array(
             'getpaid_embed' => 1,
-            'form'          => $payment_form ? absint( $payment_form ) : false,
-            'item'          => $items ? urlencode( $items ) : false,
+            'form'          => $payment_form ? absint($payment_form) : false,
+            'item'          => $items ? urlencode($items) : false,
         ),
-        home_url( 'index.php' )
+        home_url('index.php')
     );
 
 }
@@ -1666,13 +1666,13 @@ 
  *
  * @return string
  */
-function getpaid_filter_embed_template( $template ) {
+function getpaid_filter_embed_template($template) {
 
-    if ( isset( $_GET['getpaid_embed'] ) ) {
-        wpinv_get_template( 'payment-forms/embed.php' );
+    if (isset($_GET['getpaid_embed'])) {
+        wpinv_get_template('payment-forms/embed.php');
         exit;
     }
 
     return $template;
 }
-add_filter( 'template_include', 'getpaid_filter_embed_template' );
+add_filter('template_include', 'getpaid_filter_embed_template');