AyeCode / invoicing

templates/invoice-receipt.php

Spacing +38 added lines, -38 removed lines

@@ -7,64 +7,64 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Fetch the invoice.
-$invoice = new WPInv_Invoice( $invoice );
+$invoice = new WPInv_Invoice($invoice);
 
 // @deprecated
-do_action( 'wpinv_success_content_before', $invoice );
-do_action( 'wpinv_before_receipt', $invoice );
+do_action('wpinv_success_content_before', $invoice);
+do_action('wpinv_before_receipt', $invoice);
 
 wpinv_print_errors();
 
 // Prepare header text.
-if ( $invoice->is_paid() ) {
+if ($invoice->is_paid()) {
 
     $alert = aui()->alert(
         array(
             'type'    => 'success',
-            'content' => __( 'Thank you for your payment!', 'invoicing' ),
+            'content' => __('Thank you for your payment!', 'invoicing'),
         )
     );
 
-} else if ( $invoice->is_refunded() ) {
+} else if ($invoice->is_refunded()) {
 
     $alert = aui()->alert(
         array(
             'type'    => 'info',
-            'content' => __( 'This invoice was refunded.', 'invoicing' ),
+            'content' => __('This invoice was refunded.', 'invoicing'),
         )
     );
 
-} else if ( $invoice->is_held() ) {
+} else if ($invoice->is_held()) {
 
     $alert = aui()->alert(
         array(
             'type'    => 'info',
-            'content' => __( 'This invoice will be processed as soon we verify your payment.', 'invoicing' ),
+            'content' => __('This invoice will be processed as soon we verify your payment.', 'invoicing'),
         )
     );
 
-} else if ( $invoice->needs_payment() ) {
+} else if ($invoice->needs_payment()) {
 
-    if ( ! empty( $_GET['token'] ) ) {
+    if (!empty($_GET['token'])) {
 
         $alert = aui()->alert(
             array(
                 'type'    => 'info',
-                'content' => __( "Sometimes it takes a few minutes for us to verify your payment. We'll notify you as soon as we've verified the payment.", 'invoicing' ),
+                'content' => __("Sometimes it takes a few minutes for us to verify your payment. We'll notify you as soon as we've verified the payment.", 'invoicing'),
             )
         );
 
-    } else if ( $invoice->is_due() ) {
+    } else if ($invoice->is_due()) {
 
         $alert = aui()->alert(
             array(
                 'type'    => 'danger',
                 'content' => sprintf(
-                    __( 'This invoice was due on %.', 'invoicing' ),
-                    getpaid_format_date_value( $invoice->get_due_date() )
+                    __('This invoice was due on %.', 'invoicing'),
+                    getpaid_format_date_value($invoice->get_due_date())
                 ),
             )
         );
@@ -74,7 +74,7 @@ 
         $alert = aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'This invoice needs payment.', 'invoicing' ),
+                'content' => __('This invoice needs payment.', 'invoicing'),
             )
         );
 
@@ -89,19 +89,19 @@ 
 
         'pay' => array(
             'url'   => $invoice->get_checkout_payment_url(),
-            'name'  => __( 'Pay For Invoice', 'invoicing' ),
+            'name'  => __('Pay For Invoice', 'invoicing'),
             'class' => 'btn-success',
         ),
 
         'view' => array(
             'url'   => $invoice->get_view_url(),
-            'name'  => __( 'View Invoice', 'invoicing' ),
+            'name'  => __('View Invoice', 'invoicing'),
             'class' => 'btn-primary',
         ),
 
         'history' => array(
             'url'   => wpinv_get_history_page_uri(),
-            'name'  => __( 'Invoice History', 'invoicing' ),
+            'name'  => __('Invoice History', 'invoicing'),
             'class' => 'btn-warning',
         ),
 
@@ -110,12 +110,12 @@ 
 
 );
 
-if ( ( ! $invoice->needs_payment() || $invoice->is_held() ) && isset( $actions['pay'] ) ) {
-    unset( $actions['pay'] );
+if ((!$invoice->needs_payment() || $invoice->is_held()) && isset($actions['pay'])) {
+    unset($actions['pay']);
 }
 
-if ( ! is_user_logged_in() && isset( $actions['history'] ) ) {
-    unset( $actions['history'] );
+if (!is_user_logged_in() && isset($actions['history'])) {
+    unset($actions['history']);
 }
 
 ?>
@@ -124,19 +124,19 @@ 
 
         <?php
         
-            do_action( 'wpinv_receipt_start', $invoice );
+            do_action('wpinv_receipt_start', $invoice);
 
-            if ( ! empty( $actions ) ) {
+            if (!empty($actions)) {
 
                 echo '<div class="wpinv-receipt-actions text-right mt-1 mb-4">';
 
-                foreach ( $actions as $key => $action ) {
+                foreach ($actions as $key => $action) {
 
-                    $key    = sanitize_html_class( $key );
-                    $class  = empty( $action['class'] ) ? 'btn-dark' : sanitize_html_class( $action['class'] );
-                    $url    = empty( $action['url'] ) ? '#' : esc_url( $action['url'] );
-                    $attrs  = empty( $action['attrs'] ) ? '' : $action['attrs'];
-                    $anchor = esc_html( $action['name'] );
+                    $key    = sanitize_html_class($key);
+                    $class  = empty($action['class']) ? 'btn-dark' : sanitize_html_class($action['class']);
+                    $url    = empty($action['url']) ? '#' : esc_url($action['url']);
+                    $attrs  = empty($action['attrs']) ? '' : $action['attrs'];
+                    $anchor = esc_html($action['name']);
 
                     echo "<a href='$url' class='btn btn-sm ml-1 $class $key' $attrs>$anchor</a>";
                 }
@@ -145,7 +145,7 @@ 
 
             }
 
-            if ( ! empty( $alert ) ) {
+            if (!empty($alert)) {
                 echo $alert;
             }
 
@@ -154,19 +154,19 @@ 
         <div class="wpinv-receipt-details">
 
             <h4 class="wpinv-details-t mb-3 mt-3">
-                <?php echo apply_filters( 'wpinv_receipt_details_title', __( 'Invoice Details', 'invoicing' ), $invoice ); ?>
+                <?php echo apply_filters('wpinv_receipt_details_title', __('Invoice Details', 'invoicing'), $invoice); ?>
             </h4>
 
-            <?php getpaid_invoice_meta( $invoice ); ?>
+            <?php getpaid_invoice_meta($invoice); ?>
 
         </div>
 
-        <?php do_action( 'wpinv_receipt_end', $invoice ); ?>
+        <?php do_action('wpinv_receipt_end', $invoice); ?>
 
     </div>
 
 <?php
 
 // @deprecated
-do_action( 'wpinv_success_content_after', $invoice );
-do_action( 'wpinv_after_receipt', $invoice );
+do_action('wpinv_success_content_after', $invoice);
+do_action('wpinv_after_receipt', $invoice);

includes/gateways/class-getpaid-bank-transfer-gateway.php

Indentation +218 added lines, -218 removed lines

@@ -13,30 +13,30 @@ 
 class GetPaid_Bank_Transfer_Gateway extends GetPaid_Payment_Gateway {
 
     /**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
+     * Payment method id.
+     *
+     * @var string
+     */
     public $id = 'bank_transfer';
 
-	/**
-	 * An array of features that this gateway supports.
-	 *
-	 * @var array
-	 */
-	protected $supports = array( 'subscription', 'addons', 'single_subscription_group', 'multiple_subscription_groups' );
+    /**
+     * An array of features that this gateway supports.
+     *
+     * @var array
+     */
+    protected $supports = array( 'subscription', 'addons', 'single_subscription_group', 'multiple_subscription_groups' );
 
     /**
-	 * Payment method order.
-	 *
-	 * @var int
-	 */
-	public $order = 8;
+     * Payment method order.
+     *
+     * @var int
+     */
+    public $order = 8;
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct() {
+     * Class constructor.
+     */
+    public function __construct() {
         parent::__construct();
 
         $this->title                = __( 'Direct bank transfer', 'invoicing' );
@@ -44,24 +44,24 @@ 
         $this->checkout_button_text = __( 'Proceed', 'invoicing' );
         $this->instructions         = apply_filters( 'wpinv_bank_instructions', $this->get_option( 'info' ) );
 
-		add_action( 'wpinv_receipt_end', array( $this, 'thankyou_page' ) );
-		add_action( 'getpaid_invoice_line_items', array( $this, 'thankyou_page' ), 40 );
-		add_action( 'wpinv_pdf_content_billing', array( $this, 'thankyou_page' ), 11 );
-		add_action( 'wpinv_email_invoice_details', array( $this, 'email_instructions' ), 10, 3 );
-		add_action( 'getpaid_should_renew_subscription', array( $this, 'maybe_renew_subscription' ) );
-		add_action( 'getpaid_invoice_status_publish', array( $this, 'invoice_paid' ), 20 );
+        add_action( 'wpinv_receipt_end', array( $this, 'thankyou_page' ) );
+        add_action( 'getpaid_invoice_line_items', array( $this, 'thankyou_page' ), 40 );
+        add_action( 'wpinv_pdf_content_billing', array( $this, 'thankyou_page' ), 11 );
+        add_action( 'wpinv_email_invoice_details', array( $this, 'email_instructions' ), 10, 3 );
+        add_action( 'getpaid_should_renew_subscription', array( $this, 'maybe_renew_subscription' ) );
+        add_action( 'getpaid_invoice_status_publish', array( $this, 'invoice_paid' ), 20 );
 
     }
 
     /**
-	 * Process Payment.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param array $submission_data Posted checkout fields.
-	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
-	 * @return array
-	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+     * Process Payment.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param array $submission_data Posted checkout fields.
+     * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
+     * @return array
+     */
+    public function process_payment( $invoice, $submission_data, $submission ) {
 
         // Add a transaction id.
         $invoice->set_transaction_id( $invoice->generate_key('bt_') );
@@ -82,66 +82,66 @@ 
     }
 
     /**
-	 * Output for the order received page.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 */
-	public function thankyou_page( $invoice ) {
+     * Output for the order received page.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     */
+    public function thankyou_page( $invoice ) {
 
         if ( 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment() ) {
 
-			echo '<div class="mt-4 mb-2 getpaid-bank-transfer-details">' . PHP_EOL;
+            echo '<div class="mt-4 mb-2 getpaid-bank-transfer-details">' . PHP_EOL;
 
             if ( ! empty( $this->instructions ) ) {
                 echo wp_kses_post( wpautop( wptexturize( $this->instructions ) ) );
-			}
+            }
 
-			$this->bank_details( $invoice );
+            $this->bank_details( $invoice );
 
-			echo '</div>';
+            echo '</div>';
 
         }
 
-	}
+    }
 
     /**
-	 * Add content to the WPI emails.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param string     $email_type Email format: plain text or HTML.
-	 * @param bool     $sent_to_admin Sent to admin.
-	 */
-	public function email_instructions( $invoice, $email_type, $sent_to_admin ) {
+     * Add content to the WPI emails.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param string     $email_type Email format: plain text or HTML.
+     * @param bool     $sent_to_admin Sent to admin.
+     */
+    public function email_instructions( $invoice, $email_type, $sent_to_admin ) {
 
-		if ( ! $sent_to_admin && 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment() ) {
+        if ( ! $sent_to_admin && 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment() ) {
 
-			echo '<div class="wpi-email-row getpaid-bank-transfer-details">';
+            echo '<div class="wpi-email-row getpaid-bank-transfer-details">';
 
-			if ( $this->instructions ) {
-				echo wp_kses_post( wpautop( wptexturize( $this->instructions ) ) . PHP_EOL );
+            if ( $this->instructions ) {
+                echo wp_kses_post( wpautop( wptexturize( $this->instructions ) ) . PHP_EOL );
             }
 
-			$this->bank_details( $invoice );
+            $this->bank_details( $invoice );
 
-			echo '</div>';
+            echo '</div>';
 
-		}
+        }
 
     }
 
     /**
-	 * Get bank details and place into a list format.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 */
-	protected function bank_details( $invoice ) {
+     * Get bank details and place into a list format.
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     */
+    protected function bank_details( $invoice ) {
 
-		// Get the invoice country and country $locale.
-		$country = $invoice->get_country();
-		$locale  = $this->get_country_locale();
+        // Get the invoice country and country $locale.
+        $country = $invoice->get_country();
+        $locale  = $this->get_country_locale();
 
-		// Get sortcode label in the $locale array and use appropriate one.
-		$sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
+        // Get sortcode label in the $locale array and use appropriate one.
+        $sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
 
         $bank_fields = array(
             'ac_name'     => __( 'Account Name', 'invoicing' ),
@@ -170,144 +170,144 @@ 
             return;
         }
 
-		echo '<h3 class="getpaid-bank-transfer-title"> ' . apply_filters( 'wpinv_receipt_bank_details_title', __( 'Bank Details', 'invoicing' ) ) . '</h3>' . PHP_EOL;
+        echo '<h3 class="getpaid-bank-transfer-title"> ' . apply_filters( 'wpinv_receipt_bank_details_title', __( 'Bank Details', 'invoicing' ) ) . '</h3>' . PHP_EOL;
+
+        echo '<table class="table table-bordered getpaid-bank-transfer-details">' . PHP_EOL;
+
+        foreach ( $bank_info as $key => $data ) {
+
+            $key   = sanitize_html_class( $key );
+            $label = wp_kses_post( $data['label'] );
+            $value = wp_kses_post( wptexturize( $data['value'] ) );
+
+            echo "<tr class='getpaid-bank-transfer-$key'><th class='font-weight-bold'>$label</th><td class='w-75'>$value</td></tr>" . PHP_EOL;
+        }
 
-		echo '<table class="table table-bordered getpaid-bank-transfer-details">' . PHP_EOL;
+        echo '</table>';
 
-		foreach ( $bank_info as $key => $data ) {
+    }
 
-			$key   = sanitize_html_class( $key );
-			$label = wp_kses_post( $data['label'] );
-			$value = wp_kses_post( wptexturize( $data['value'] ) );
+    /**
+     * Get country locale if localized.
+     *
+     * @return array
+     */
+    public function get_country_locale() {
+
+        if ( empty( $this->locale ) ) {
+
+            // Locale information to be used - only those that are not 'Sort Code'.
+            $this->locale = apply_filters(
+                'getpaid_get_bank_transfer_locale',
+                array(
+                    'AU' => array(
+                        'sortcode' => array(
+                            'label' => __( 'BSB', 'invoicing' ),
+                        ),
+                    ),
+                    'CA' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Bank transit number', 'invoicing' ),
+                        ),
+                    ),
+                    'IN' => array(
+                        'sortcode' => array(
+                            'label' => __( 'IFSC', 'invoicing' ),
+                        ),
+                    ),
+                    'IT' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Branch sort', 'invoicing' ),
+                        ),
+                    ),
+                    'NZ' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Bank code', 'invoicing' ),
+                        ),
+                    ),
+                    'SE' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Bank code', 'invoicing' ),
+                        ),
+                    ),
+                    'US' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Routing number', 'invoicing' ),
+                        ),
+                    ),
+                    'ZA' => array(
+                        'sortcode' => array(
+                            'label' => __( 'Branch code', 'invoicing' ),
+                        ),
+                    ),
+                )
+            );
 
-			echo "<tr class='getpaid-bank-transfer-$key'><th class='font-weight-bold'>$label</th><td class='w-75'>$value</td></tr>" . PHP_EOL;
-		}
+        }
 
-		echo '</table>';
+        return $this->locale;
 
     }
 
     /**
-	 * Get country locale if localized.
-	 *
-	 * @return array
-	 */
-	public function get_country_locale() {
-
-		if ( empty( $this->locale ) ) {
-
-			// Locale information to be used - only those that are not 'Sort Code'.
-			$this->locale = apply_filters(
-				'getpaid_get_bank_transfer_locale',
-				array(
-					'AU' => array(
-						'sortcode' => array(
-							'label' => __( 'BSB', 'invoicing' ),
-						),
-					),
-					'CA' => array(
-						'sortcode' => array(
-							'label' => __( 'Bank transit number', 'invoicing' ),
-						),
-					),
-					'IN' => array(
-						'sortcode' => array(
-							'label' => __( 'IFSC', 'invoicing' ),
-						),
-					),
-					'IT' => array(
-						'sortcode' => array(
-							'label' => __( 'Branch sort', 'invoicing' ),
-						),
-					),
-					'NZ' => array(
-						'sortcode' => array(
-							'label' => __( 'Bank code', 'invoicing' ),
-						),
-					),
-					'SE' => array(
-						'sortcode' => array(
-							'label' => __( 'Bank code', 'invoicing' ),
-						),
-					),
-					'US' => array(
-						'sortcode' => array(
-							'label' => __( 'Routing number', 'invoicing' ),
-						),
-					),
-					'ZA' => array(
-						'sortcode' => array(
-							'label' => __( 'Branch code', 'invoicing' ),
-						),
-					),
-				)
-			);
-
-		}
-
-		return $this->locale;
-
-	}
-
-	/**
-	 * Filters the gateway settings.
-	 *
-	 * @param array $admin_settings
-	 */
-	public function admin_settings( $admin_settings ) {
+     * Filters the gateway settings.
+     *
+     * @param array $admin_settings
+     */
+    public function admin_settings( $admin_settings ) {
 
         $admin_settings['bank_transfer_desc']['std']    = __( "Make your payment directly into our bank account. Please use your Invoice Number as the payment reference. Your invoice won't be processed until the funds have cleared in our account.", 'invoicing' );
-		$admin_settings['bank_transfer_active']['desc'] = __( 'Enable bank transfer', 'invoicing' );
+        $admin_settings['bank_transfer_active']['desc'] = __( 'Enable bank transfer', 'invoicing' );
 
-		$locale  = $this->get_country_locale();
+        $locale  = $this->get_country_locale();
 
-		// Get sortcode label in the $locale array and use appropriate one.
-		$country  = wpinv_default_billing_country();
-		$sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
+        // Get sortcode label in the $locale array and use appropriate one.
+        $country  = wpinv_default_billing_country();
+        $sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
 
-		$admin_settings['bank_transfer_ac_name'] = array(
+        $admin_settings['bank_transfer_ac_name'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ac_name',
             'name' => __( 'Account Name', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_ac_no'] = array(
+        $admin_settings['bank_transfer_ac_no'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ac_no',
             'name' => __( 'Account Number', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_bank_name'] = array(
+        $admin_settings['bank_transfer_bank_name'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_bank_name',
             'name' => __( 'Bank Name', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_ifsc'] = array(
+        $admin_settings['bank_transfer_ifsc'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ifsc',
             'name' => __( 'IFSC Code', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_iban'] = array(
+        $admin_settings['bank_transfer_iban'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_iban',
             'name' => __( 'IBAN', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_bic'] = array(
+        $admin_settings['bank_transfer_bic'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_bic',
             'name' => __( 'BIC/Swift Code', 'invoicing' ),
-		);
+        );
 
-		$admin_settings['bank_transfer_sort_code'] = array(
-			'type' => 'text',
-			'id'   => 'bank_transfer_sort_code',
-			'name' => $sortcode,
-		);
+        $admin_settings['bank_transfer_sort_code'] = array(
+            'type' => 'text',
+            'id'   => 'bank_transfer_sort_code',
+            'name' => $sortcode,
+        );
 
-		$admin_settings['bank_transfer_info'] = array(
+        $admin_settings['bank_transfer_info'] = array(
             'id'   => 'bank_transfer_info',
             'name' => __( 'Instructions', 'invoicing' ),
             'desc' => __( 'Instructions that will be added to the thank you page and emails.', 'invoicing' ),
@@ -317,17 +317,17 @@ 
             'rows' => 5
         );
 
-		return $admin_settings;
-	}
+        return $admin_settings;
+    }
 
-	/**
-	 * Processes invoice addons.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Form_Item[] $items
-	 * @return WPInv_Invoice
-	 */
-	public function process_addons( $invoice, $items ) {
+    /**
+     * Processes invoice addons.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Form_Item[] $items
+     * @return WPInv_Invoice
+     */
+    public function process_addons( $invoice, $items ) {
 
         foreach ( $items as $item ) {
             $invoice->add_item( $item );
@@ -335,70 +335,70 @@ 
 
         $invoice->recalculate_total();
         $invoice->save();
-	}
+    }
 
-	/**
-	 * (Maybe) renews a bank transfer subscription profile.
-	 *
-	 *
+    /**
+     * (Maybe) renews a bank transfer subscription profile.
+     *
+     *
      * @param WPInv_Subscription $subscription
-	 */
-	public function maybe_renew_subscription( $subscription ) {
+     */
+    public function maybe_renew_subscription( $subscription ) {
 
         // Ensure its our subscription && it's active.
         if ( $this->id == $subscription->get_gateway() && $subscription->has_status( 'active trialling' ) ) {
-			$subscription->create_payment();
+            $subscription->create_payment();
         }
 
     }
 
-	/**
-	 * Process a bank transfer payment.
-	 *
-	 *
+    /**
+     * Process a bank transfer payment.
+     *
+     *
      * @param WPInv_Invoice $invoice
-	 */
-	public function invoice_paid( $invoice ) {
+     */
+    public function invoice_paid( $invoice ) {
 
-		// Abort if not paid by bank transfer.
-		if ( $this->id !== $invoice->get_gateway() || ! $invoice->is_recurring() ) {
-			return;
-		}
+        // Abort if not paid by bank transfer.
+        if ( $this->id !== $invoice->get_gateway() || ! $invoice->is_recurring() ) {
+            return;
+        }
 
-		// Is it a parent payment?
-		if ( 0 == $invoice->get_parent_id() ) {
+        // Is it a parent payment?
+        if ( 0 == $invoice->get_parent_id() ) {
 
-			// (Maybe) activate subscriptions.
-			$subscriptions = getpaid_get_invoice_subscriptions( $invoice );
+            // (Maybe) activate subscriptions.
+            $subscriptions = getpaid_get_invoice_subscriptions( $invoice );
 
-			if ( ! empty( $subscriptions ) ) {
-				$subscriptions = is_array( $subscriptions ) ? $subscriptions : array( $subscriptions );
+            if ( ! empty( $subscriptions ) ) {
+                $subscriptions = is_array( $subscriptions ) ? $subscriptions : array( $subscriptions );
 
-				foreach ( $subscriptions as $subscription ) {
-					if ( $subscription->exists() ) {
-						$duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
-						$expiry   = date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) );
+                foreach ( $subscriptions as $subscription ) {
+                    if ( $subscription->exists() ) {
+                        $duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
+                        $expiry   = date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) );
 
-						$subscription->set_next_renewal_date( $expiry );
-						$subscription->set_date_created( current_time( 'mysql' ) );
-						$subscription->set_profile_id( 'bt_sub_' . $invoice->get_id() . '_' . $subscription->get_id() );
-						$subscription->activate();
-					}
-				}
+                        $subscription->set_next_renewal_date( $expiry );
+                        $subscription->set_date_created( current_time( 'mysql' ) );
+                        $subscription->set_profile_id( 'bt_sub_' . $invoice->get_id() . '_' . $subscription->get_id() );
+                        $subscription->activate();
+                    }
+                }
 
-			}
+            }
 
-		} else {
+        } else {
 
-			$subscription = getpaid_get_subscription( $invoice->get_subscription_id() );
+            $subscription = getpaid_get_subscription( $invoice->get_subscription_id() );
 
-			// Renew the subscription.
-			if ( $subscription && $subscription->exists() ) {
-				$subscription->add_payment( array(), $invoice );
-				$subscription->renew();
-			}
+            // Renew the subscription.
+            if ( $subscription && $subscription->exists() ) {
+                $subscription->add_payment( array(), $invoice );
+                $subscription->renew();
+            }
 
-		}
+        }
 
     }
 

Spacing +91 added lines, -91 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Bank transfer Payment Gateway class.
@@ -24,7 +24,7 @@ 
 	 *
 	 * @var array
 	 */
-	protected $supports = array( 'subscription', 'addons', 'single_subscription_group', 'multiple_subscription_groups' );
+	protected $supports = array('subscription', 'addons', 'single_subscription_group', 'multiple_subscription_groups');
 
     /**
 	 * Payment method order.
@@ -39,17 +39,17 @@ 
 	public function __construct() {
         parent::__construct();
 
-        $this->title                = __( 'Direct bank transfer', 'invoicing' );
-        $this->method_title         = __( 'Bank transfer', 'invoicing' );
-        $this->checkout_button_text = __( 'Proceed', 'invoicing' );
-        $this->instructions         = apply_filters( 'wpinv_bank_instructions', $this->get_option( 'info' ) );
+        $this->title                = __('Direct bank transfer', 'invoicing');
+        $this->method_title         = __('Bank transfer', 'invoicing');
+        $this->checkout_button_text = __('Proceed', 'invoicing');
+        $this->instructions         = apply_filters('wpinv_bank_instructions', $this->get_option('info'));
 
-		add_action( 'wpinv_receipt_end', array( $this, 'thankyou_page' ) );
-		add_action( 'getpaid_invoice_line_items', array( $this, 'thankyou_page' ), 40 );
-		add_action( 'wpinv_pdf_content_billing', array( $this, 'thankyou_page' ), 11 );
-		add_action( 'wpinv_email_invoice_details', array( $this, 'email_instructions' ), 10, 3 );
-		add_action( 'getpaid_should_renew_subscription', array( $this, 'maybe_renew_subscription' ) );
-		add_action( 'getpaid_invoice_status_publish', array( $this, 'invoice_paid' ), 20 );
+		add_action('wpinv_receipt_end', array($this, 'thankyou_page'));
+		add_action('getpaid_invoice_line_items', array($this, 'thankyou_page'), 40);
+		add_action('wpinv_pdf_content_billing', array($this, 'thankyou_page'), 11);
+		add_action('wpinv_email_invoice_details', array($this, 'email_instructions'), 10, 3);
+		add_action('getpaid_should_renew_subscription', array($this, 'maybe_renew_subscription'));
+		add_action('getpaid_invoice_status_publish', array($this, 'invoice_paid'), 20);
 
     }
 
@@ -61,23 +61,23 @@ 
 	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
 	 * @return array
 	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+	public function process_payment($invoice, $submission_data, $submission) {
 
         // Add a transaction id.
-        $invoice->set_transaction_id( $invoice->generate_key('bt_') );
+        $invoice->set_transaction_id($invoice->generate_key('bt_'));
 
         // Set it as pending payment.
-        if ( ! $invoice->needs_payment() ) {
+        if (!$invoice->needs_payment()) {
             $invoice->mark_paid();
-        } else if ( ! $invoice->is_paid() ) {
-            $invoice->set_status( 'wpi-onhold' );
+        } else if (!$invoice->is_paid()) {
+            $invoice->set_status('wpi-onhold');
         }
 
         // Save it.
         $invoice->save();
 
         // Send to the success page.
-        wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
+        wpinv_send_to_success_page(array('invoice_key' => $invoice->get_key()));
 
     }
 
@@ -86,17 +86,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice Invoice.
 	 */
-	public function thankyou_page( $invoice ) {
+	public function thankyou_page($invoice) {
 
-        if ( 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment() ) {
+        if ('bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment()) {
 
 			echo '<div class="mt-4 mb-2 getpaid-bank-transfer-details">' . PHP_EOL;
 
-            if ( ! empty( $this->instructions ) ) {
-                echo wp_kses_post( wpautop( wptexturize( $this->instructions ) ) );
+            if (!empty($this->instructions)) {
+                echo wp_kses_post(wpautop(wptexturize($this->instructions)));
 			}
 
-			$this->bank_details( $invoice );
+			$this->bank_details($invoice);
 
 			echo '</div>';
 
@@ -111,17 +111,17 @@ 
 	 * @param string     $email_type Email format: plain text or HTML.
 	 * @param bool     $sent_to_admin Sent to admin.
 	 */
-	public function email_instructions( $invoice, $email_type, $sent_to_admin ) {
+	public function email_instructions($invoice, $email_type, $sent_to_admin) {
 
-		if ( ! $sent_to_admin && 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment() ) {
+		if (!$sent_to_admin && 'bank_transfer' === $invoice->get_gateway() && $invoice->needs_payment()) {
 
 			echo '<div class="wpi-email-row getpaid-bank-transfer-details">';
 
-			if ( $this->instructions ) {
-				echo wp_kses_post( wpautop( wptexturize( $this->instructions ) ) . PHP_EOL );
+			if ($this->instructions) {
+				echo wp_kses_post(wpautop(wptexturize($this->instructions)) . PHP_EOL);
             }
 
-			$this->bank_details( $invoice );
+			$this->bank_details($invoice);
 
 			echo '</div>';
 
@@ -134,51 +134,51 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice Invoice.
 	 */
-	protected function bank_details( $invoice ) {
+	protected function bank_details($invoice) {
 
 		// Get the invoice country and country $locale.
 		$country = $invoice->get_country();
 		$locale  = $this->get_country_locale();
 
 		// Get sortcode label in the $locale array and use appropriate one.
-		$sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
+		$sortcode = isset($locale[$country]['sortcode']['label']) ? $locale[$country]['sortcode']['label'] : __('Sort code', 'invoicing');
 
         $bank_fields = array(
-            'ac_name'     => __( 'Account Name', 'invoicing' ),
-            'ac_no'       => __( 'Account Number', 'invoicing' ),
-            'bank_name'   => __( 'Bank Name', 'invoicing' ),
-            'ifsc'        => __( 'IFSC code', 'invoicing' ),
-            'iban'        => __( 'IBAN', 'invoicing' ),
-            'bic'         => __( 'BIC/Swift code', 'invoicing' ),
+            'ac_name'     => __('Account Name', 'invoicing'),
+            'ac_no'       => __('Account Number', 'invoicing'),
+            'bank_name'   => __('Bank Name', 'invoicing'),
+            'ifsc'        => __('IFSC code', 'invoicing'),
+            'iban'        => __('IBAN', 'invoicing'),
+            'bic'         => __('BIC/Swift code', 'invoicing'),
             'sort_code'   => $sortcode,
         );
 
         $bank_info = array();
 
-        foreach ( $bank_fields as $field => $label ) {
-            $value = $this->get_option( $field );
+        foreach ($bank_fields as $field => $label) {
+            $value = $this->get_option($field);
 
-            if ( ! empty( $value ) ) {
-                $bank_info[$field] = array( 'label' => $label, 'value' => $value );
+            if (!empty($value)) {
+                $bank_info[$field] = array('label' => $label, 'value' => $value);
             }
 
         }
 
-        $bank_info = apply_filters( 'wpinv_bank_info', $bank_info );
+        $bank_info = apply_filters('wpinv_bank_info', $bank_info);
 
-        if ( empty( $bank_info ) ) {
+        if (empty($bank_info)) {
             return;
         }
 
-		echo '<h3 class="getpaid-bank-transfer-title"> ' . apply_filters( 'wpinv_receipt_bank_details_title', __( 'Bank Details', 'invoicing' ) ) . '</h3>' . PHP_EOL;
+		echo '<h3 class="getpaid-bank-transfer-title"> ' . apply_filters('wpinv_receipt_bank_details_title', __('Bank Details', 'invoicing')) . '</h3>' . PHP_EOL;
 
 		echo '<table class="table table-bordered getpaid-bank-transfer-details">' . PHP_EOL;
 
-		foreach ( $bank_info as $key => $data ) {
+		foreach ($bank_info as $key => $data) {
 
-			$key   = sanitize_html_class( $key );
-			$label = wp_kses_post( $data['label'] );
-			$value = wp_kses_post( wptexturize( $data['value'] ) );
+			$key   = sanitize_html_class($key);
+			$label = wp_kses_post($data['label']);
+			$value = wp_kses_post(wptexturize($data['value']));
 
 			echo "<tr class='getpaid-bank-transfer-$key'><th class='font-weight-bold'>$label</th><td class='w-75'>$value</td></tr>" . PHP_EOL;
 		}
@@ -194,7 +194,7 @@ 
 	 */
 	public function get_country_locale() {
 
-		if ( empty( $this->locale ) ) {
+		if (empty($this->locale)) {
 
 			// Locale information to be used - only those that are not 'Sort Code'.
 			$this->locale = apply_filters(
@@ -202,42 +202,42 @@ 
 				array(
 					'AU' => array(
 						'sortcode' => array(
-							'label' => __( 'BSB', 'invoicing' ),
+							'label' => __('BSB', 'invoicing'),
 						),
 					),
 					'CA' => array(
 						'sortcode' => array(
-							'label' => __( 'Bank transit number', 'invoicing' ),
+							'label' => __('Bank transit number', 'invoicing'),
 						),
 					),
 					'IN' => array(
 						'sortcode' => array(
-							'label' => __( 'IFSC', 'invoicing' ),
+							'label' => __('IFSC', 'invoicing'),
 						),
 					),
 					'IT' => array(
 						'sortcode' => array(
-							'label' => __( 'Branch sort', 'invoicing' ),
+							'label' => __('Branch sort', 'invoicing'),
 						),
 					),
 					'NZ' => array(
 						'sortcode' => array(
-							'label' => __( 'Bank code', 'invoicing' ),
+							'label' => __('Bank code', 'invoicing'),
 						),
 					),
 					'SE' => array(
 						'sortcode' => array(
-							'label' => __( 'Bank code', 'invoicing' ),
+							'label' => __('Bank code', 'invoicing'),
 						),
 					),
 					'US' => array(
 						'sortcode' => array(
-							'label' => __( 'Routing number', 'invoicing' ),
+							'label' => __('Routing number', 'invoicing'),
 						),
 					),
 					'ZA' => array(
 						'sortcode' => array(
-							'label' => __( 'Branch code', 'invoicing' ),
+							'label' => __('Branch code', 'invoicing'),
 						),
 					),
 				)
@@ -254,51 +254,51 @@ 
 	 *
 	 * @param array $admin_settings
 	 */
-	public function admin_settings( $admin_settings ) {
+	public function admin_settings($admin_settings) {
 
-        $admin_settings['bank_transfer_desc']['std']    = __( "Make your payment directly into our bank account. Please use your Invoice Number as the payment reference. Your invoice won't be processed until the funds have cleared in our account.", 'invoicing' );
-		$admin_settings['bank_transfer_active']['desc'] = __( 'Enable bank transfer', 'invoicing' );
+        $admin_settings['bank_transfer_desc']['std'] = __("Make your payment directly into our bank account. Please use your Invoice Number as the payment reference. Your invoice won't be processed until the funds have cleared in our account.", 'invoicing');
+		$admin_settings['bank_transfer_active']['desc'] = __('Enable bank transfer', 'invoicing');
 
-		$locale  = $this->get_country_locale();
+		$locale = $this->get_country_locale();
 
 		// Get sortcode label in the $locale array and use appropriate one.
 		$country  = wpinv_default_billing_country();
-		$sortcode = isset( $locale[ $country ]['sortcode']['label'] ) ? $locale[ $country ]['sortcode']['label'] : __( 'Sort code', 'invoicing' );
+		$sortcode = isset($locale[$country]['sortcode']['label']) ? $locale[$country]['sortcode']['label'] : __('Sort code', 'invoicing');
 
 		$admin_settings['bank_transfer_ac_name'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ac_name',
-            'name' => __( 'Account Name', 'invoicing' ),
+            'name' => __('Account Name', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_ac_no'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ac_no',
-            'name' => __( 'Account Number', 'invoicing' ),
+            'name' => __('Account Number', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_bank_name'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_bank_name',
-            'name' => __( 'Bank Name', 'invoicing' ),
+            'name' => __('Bank Name', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_ifsc'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_ifsc',
-            'name' => __( 'IFSC Code', 'invoicing' ),
+            'name' => __('IFSC Code', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_iban'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_iban',
-            'name' => __( 'IBAN', 'invoicing' ),
+            'name' => __('IBAN', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_bic'] = array(
             'type' => 'text',
             'id'   => 'bank_transfer_bic',
-            'name' => __( 'BIC/Swift Code', 'invoicing' ),
+            'name' => __('BIC/Swift Code', 'invoicing'),
 		);
 
 		$admin_settings['bank_transfer_sort_code'] = array(
@@ -309,10 +309,10 @@ 
 
 		$admin_settings['bank_transfer_info'] = array(
             'id'   => 'bank_transfer_info',
-            'name' => __( 'Instructions', 'invoicing' ),
-            'desc' => __( 'Instructions that will be added to the thank you page and emails.', 'invoicing' ),
+            'name' => __('Instructions', 'invoicing'),
+            'desc' => __('Instructions that will be added to the thank you page and emails.', 'invoicing'),
             'type' => 'textarea',
-            'std'  => __( "Make your payment directly into our bank account. Please use your Invoice Number as the payment reference. Your invoice won't be processed until the funds have cleared in our account.", 'invoicing' ),
+            'std'  => __("Make your payment directly into our bank account. Please use your Invoice Number as the payment reference. Your invoice won't be processed until the funds have cleared in our account.", 'invoicing'),
             'cols' => 50,
             'rows' => 5
         );
@@ -327,10 +327,10 @@ 
 	 * @param GetPaid_Form_Item[] $items
 	 * @return WPInv_Invoice
 	 */
-	public function process_addons( $invoice, $items ) {
+	public function process_addons($invoice, $items) {
 
-        foreach ( $items as $item ) {
-            $invoice->add_item( $item );
+        foreach ($items as $item) {
+            $invoice->add_item($item);
         }
 
         $invoice->recalculate_total();
@@ -343,10 +343,10 @@ 
 	 *
      * @param WPInv_Subscription $subscription
 	 */
-	public function maybe_renew_subscription( $subscription ) {
+	public function maybe_renew_subscription($subscription) {
 
         // Ensure its our subscription && it's active.
-        if ( $this->id == $subscription->get_gateway() && $subscription->has_status( 'active trialling' ) ) {
+        if ($this->id == $subscription->get_gateway() && $subscription->has_status('active trialling')) {
 			$subscription->create_payment();
         }
 
@@ -358,30 +358,30 @@ 
 	 *
      * @param WPInv_Invoice $invoice
 	 */
-	public function invoice_paid( $invoice ) {
+	public function invoice_paid($invoice) {
 
 		// Abort if not paid by bank transfer.
-		if ( $this->id !== $invoice->get_gateway() || ! $invoice->is_recurring() ) {
+		if ($this->id !== $invoice->get_gateway() || !$invoice->is_recurring()) {
 			return;
 		}
 
 		// Is it a parent payment?
-		if ( 0 == $invoice->get_parent_id() ) {
+		if (0 == $invoice->get_parent_id()) {
 
 			// (Maybe) activate subscriptions.
-			$subscriptions = getpaid_get_invoice_subscriptions( $invoice );
+			$subscriptions = getpaid_get_invoice_subscriptions($invoice);
 
-			if ( ! empty( $subscriptions ) ) {
-				$subscriptions = is_array( $subscriptions ) ? $subscriptions : array( $subscriptions );
+			if (!empty($subscriptions)) {
+				$subscriptions = is_array($subscriptions) ? $subscriptions : array($subscriptions);
 
-				foreach ( $subscriptions as $subscription ) {
-					if ( $subscription->exists() ) {
-						$duration = strtotime( $subscription->get_expiration() ) - strtotime( $subscription->get_date_created() );
-						$expiry   = date( 'Y-m-d H:i:s', ( current_time( 'timestamp' ) + $duration ) );
+				foreach ($subscriptions as $subscription) {
+					if ($subscription->exists()) {
+						$duration = strtotime($subscription->get_expiration()) - strtotime($subscription->get_date_created());
+						$expiry   = date('Y-m-d H:i:s', (current_time('timestamp') + $duration));
 
-						$subscription->set_next_renewal_date( $expiry );
-						$subscription->set_date_created( current_time( 'mysql' ) );
-						$subscription->set_profile_id( 'bt_sub_' . $invoice->get_id() . '_' . $subscription->get_id() );
+						$subscription->set_next_renewal_date($expiry);
+						$subscription->set_date_created(current_time('mysql'));
+						$subscription->set_profile_id('bt_sub_' . $invoice->get_id() . '_' . $subscription->get_id());
 						$subscription->activate();
 					}
 				}
@@ -390,11 +390,11 @@ 
 
 		} else {
 
-			$subscription = getpaid_get_subscription( $invoice->get_subscription_id() );
+			$subscription = getpaid_get_subscription($invoice->get_subscription_id());
 
 			// Renew the subscription.
-			if ( $subscription && $subscription->exists() ) {
-				$subscription->add_payment( array(), $invoice );
+			if ($subscription && $subscription->exists()) {
+				$subscription->add_payment(array(), $invoice);
 				$subscription->renew();
 			}
 

includes/wpinv-template-functions.php

Spacing +470 added lines, -470 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'));
 }
 
 /**
@@ -170,56 +170,56 @@ 
  * @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;
 }
@@ -228,127 +228,127 @@ 
 	$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++;
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     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(
+    $output = wpinv_html_select(array(
         'name'             => $name,
         'selected'         => $selected,
         'options'          => $options,
         'show_option_all'  => false,
         'show_option_none' => false
-    ) );
+    ));
 
     return $output;
 }
 
-function wpinv_html_select( $args = array() ) {
+function wpinv_html_select($args = array()) {
     $defaults = array(
         'options'          => array(),
         'name'             => null,
@@ -357,8 +357,8 @@ 
         '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,
@@ -366,74 +366,74 @@ 
         '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>';
         }
     }
 
@@ -442,7 +442,7 @@ 
     return $output;
 }
 
-function wpinv_item_dropdown( $args = array() ) {
+function wpinv_item_dropdown($args = array()) {
     $defaults = array(
         'name'              => 'wpi_item',
         'id'                => 'wpi_item',
@@ -450,14 +450,14 @@ 
         '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',
@@ -466,44 +466,44 @@ 
         '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;
             }
         }
-    } 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']);
         }
     }
 
-    $output = wpinv_html_select( array(
+    $output = wpinv_html_select(array(
         'name'             => $args['name'],
         'selected'         => $args['selected'],
         'id'               => $args['id'],
@@ -514,7 +514,7 @@ 
         'show_option_all'  => $args['show_option_all'],
         'show_option_none' => $args['show_option_none'],
         'data'             => $args['data'],
-    ) );
+    ));
 
     return $output;
 }
@@ -534,16 +534,16 @@ 
     );
 
     $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,
@@ -554,17 +554,17 @@ 
         )
     );
 
-    $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'])));
     $options = '';
-    if ( ! empty( $args['options']['disabled'] ) ) {
+    if (!empty($args['options']['disabled'])) {
         $options .= ' disabled="disabled"';
-    } elseif ( ! empty( $args['options']['readonly'] ) ) {
+    } elseif (!empty($args['options']['readonly'])) {
         $options .= ' readonly';
     }
 
-    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr( $args['name'] ) . '" id="' . esc_attr( $args['name'] ) . '" class="' . $class . ' ' . esc_attr( $args['name'] ) . '" ' . checked( 1, $args['current'], false ) . ' />';
+    $output = '<input type="checkbox"' . $options . ' name="' . esc_attr($args['name']) . '" id="' . esc_attr($args['name']) . '" class="' . $class . ' ' . esc_attr($args['name']) . '" ' . checked(1, $args['current'], false) . ' />';
 
     return $output;
 }
@@ -572,9 +572,9 @@ 
 /**
  * Displays a hidden field.
  */
-function getpaid_hidden_field( $name, $value ) {
-    $name  = sanitize_text_field( $name );
-    $value = esc_attr( $value );
+function getpaid_hidden_field($name, $value) {
+    $name  = sanitize_text_field($name);
+    $value = esc_attr($value);
 
     echo "<input type='hidden' name='$name' value='$value' />";
 }
@@ -582,31 +582,31 @@ 
 /**
  * Displays a submit field.
  */
-function getpaid_submit_field( $value, $name = 'submit', $class = 'btn-primary' ) {
-    $name  = sanitize_text_field( $name );
-    $value = esc_attr( $value );
-    $class = esc_attr( $class );
+function getpaid_submit_field($value, $name = 'submit', $class = 'btn-primary') {
+    $name  = sanitize_text_field($name);
+    $value = esc_attr($value);
+    $class = esc_attr($class);
 
     echo "<input type='submit' name='$name' value='$value' class='btn $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,
@@ -616,41 +616,41 @@ 
         '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,
@@ -661,31 +661,31 @@ 
         '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'       => '',
@@ -694,13 +694,13 @@ 
         '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;
@@ -711,20 +711,20 @@ 
  * 
  * @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);
 
         }
 
@@ -732,24 +732,24 @@ 
 
     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.
@@ -757,9 +757,9 @@ 
  * @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);
 }
 
 /**
@@ -768,37 +768,37 @@ 
  * @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.
@@ -810,29 +810,29 @@ 
  * @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;
@@ -844,119 +844,119 @@ 
  * 
  * @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 = sanitize_text_field( $label );
+    if (!empty($label)) {
+        $label = sanitize_text_field($label);
         echo "<h5>$label</h5>";
     }
 
-    if ( ! empty( $notice ) ) {
-        echo '<small class="form-text text-muted">' . wpautop( wptexturize( $notice ) ) . '</small>';
+    if (!empty($notice)) {
+        echo '<small class="form-text text-muted">' . 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.
@@ -964,31 +964,31 @@ 
 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 $custom_css;
         echo '</style>';
     }
 
 }
-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');
 
 
 /**
@@ -1000,41 +1000,41 @@ 
     // 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'),
             )
         );
 
@@ -1044,15 +1044,15 @@ 
     $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'),
             )
         );
 
@@ -1061,29 +1061,29 @@ 
     // 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.
@@ -1092,7 +1092,7 @@ 
 }
 
 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>');
 }
 
 /**
@@ -1109,76 +1109,76 @@ 
         )
     );
 }
-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>
@@ -1186,21 +1186,21 @@ 
 
         </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 ( $note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing() ) { ?>
-                    <a href="#" class="delete_note"><?php _e( 'Delete note', 'invoicing' ); ?></a>
+                <?php if ($note->comment_author !== 'System' && wpinv_current_user_can_manage_invoicing()) { ?>
+                    <a href="#" class="delete_note"><?php _e('Delete note', 'invoicing'); ?></a>
                 <?php } ?>
             </p>
 
@@ -1209,9 +1209,9 @@ 
     </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 ( $echo ) {
+    if ($echo) {
         echo $note_content;
     } else {
         return $note_content;
@@ -1225,21 +1225,21 @@ 
  * @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));
 }
@@ -1247,21 +1247,21 @@ 
 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);
 }
 
 /**
@@ -1269,10 +1269,10 @@ 
  * 
  * @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();
@@ -1282,58 +1282,58 @@ 
 /**
  * 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();
 }
@@ -1341,23 +1341,23 @@ 
 /**
  * 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;
 
     }
 
@@ -1367,13 +1367,13 @@ 
 /**
  * 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);
 }
 
 /**
@@ -1381,21 +1381,21 @@ 
  * 
  * 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>"; 
     }
 
@@ -1406,18 +1406,18 @@ 
  *
  * @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.
@@ -1425,60 +1425,60 @@ 
  * @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 = sanitize_key( $element );
-        $located = wpinv_locate_template( "payment-forms-admin/edit/$element.php" );
+        $element = sanitize_key($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;
         }
 
@@ -1489,7 +1489,7 @@ 
     }
 
 }
-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.
@@ -1498,16 +1498,16 @@ 
 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;
         }
 
@@ -1518,7 +1518,7 @@ 
     }
 
 }
-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.
@@ -1526,17 +1526,17 @@ 
 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>";
 
 }
 
@@ -1546,7 +1546,7 @@ 
  * @return GetPaid_Template
  */
 function getpaid_template() {
-    return getpaid()->get( 'template' );
+    return getpaid()->get('template');
 }
 
 /**
@@ -1555,8 +1555,8 @@ 
  * @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));
 }
 
 /**
@@ -1566,21 +1566,21 @@ 
  * @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(
+        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',
@@ -1595,14 +1595,14 @@ 
 
     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',
@@ -1620,16 +1620,16 @@ 
  * @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";
     }
 
@@ -1644,15 +1644,15 @@ 
  *
  * @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')
     );
 
 }
@@ -1662,16 +1662,16 @@ 
  *
  * @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');
 
 /**
  * Prints embed styles.
@@ -1679,14 +1679,14 @@ 
 function getpaid_print_embed_styles() {
 
     // 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');
     }
 
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('ayecode-ui');
 
 }
-add_action( 'getpaid_payment_form_embed_head', 'getpaid_print_embed_styles' );
+add_action('getpaid_payment_form_embed_head', 'getpaid_print_embed_styles');
 
 /**
  * Prints embed scripts.
@@ -1694,11 +1694,11 @@ 
 function getpaid_print_embed_scripts() {
 
     // 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');
     }
 
-    wp_print_styles( 'ayecode-ui' );
+    wp_print_styles('ayecode-ui');
     wp_print_scripts(
         array(
             'wpinv-front-script'
@@ -1706,4 +1706,4 @@ 
     );
 
 }
-add_action( 'getpaid_payment_form_embed_bottom', 'getpaid_print_embed_scripts' );
+add_action('getpaid_payment_form_embed_bottom', 'getpaid_print_embed_scripts');