AyeCode / invoicing

includes/payments/class-getpaid-payment-form.php

Spacing +158 added lines, -158 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -72,28 +72,28 @@ 
 	 *
 	 * @param  int|object|GetPaid_Payment_Form|WP_Post $form Form to read.
 	 */
-	public function __construct( $form = 0 ) {
-		parent::__construct( $form );
+	public function __construct($form = 0) {
+		parent::__construct($form);
 
-		if ( is_numeric( $form ) && $form > 0 ) {
-			$this->set_id( $form );
-		} elseif ( $form instanceof self ) {
+		if (is_numeric($form) && $form > 0) {
+			$this->set_id($form);
+		} elseif ($form instanceof self) {
 
-			$this->set_id( $form->get_id() );
+			$this->set_id($form->get_id());
 			$this->invoice = $form->invoice;
 
-		} elseif ( ! empty( $form->ID ) ) {
-			$this->set_id( $form->ID );
+		} elseif (!empty($form->ID)) {
+			$this->set_id($form->ID);
 		} else {
-			$this->set_object_read( true );
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
-			$this->data_store->read( $this );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
+			$this->data_store->read($this);
         }
 
 	}
@@ -120,8 +120,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
     }
 
     /**
@@ -131,8 +131,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
     }
 
     /**
@@ -142,11 +142,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -158,8 +158,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
     }
 
     /**
@@ -169,11 +169,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -185,8 +185,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
+	public function get_name($context = 'view') {
+		return $this->get_prop('name', $context);
     }
 
     /**
@@ -196,8 +196,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
 	}
 
     /**
@@ -207,8 +207,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
     }
 
     /**
@@ -218,21 +218,21 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_elements( $context = 'view' ) {
-		$elements = $this->get_prop( 'elements', $context );
+	public function get_elements($context = 'view') {
+		$elements = $this->get_prop('elements', $context);
 
-		if ( empty( $elements ) || ! is_array( $elements ) ) {
-            return wpinv_get_data( 'sample-payment-form' );
+		if (empty($elements) || !is_array($elements)) {
+            return wpinv_get_data('sample-payment-form');
 		}
 
 		// Ensure that all required elements exist.
 		$_elements = array();
-		foreach ( $elements as $element ) {
+		foreach ($elements as $element) {
 
-			if ( $element['type'] == 'pay_button' && ! $this->has_element_type( 'gateway_select' ) ) {
+			if ($element['type'] == 'pay_button' && !$this->has_element_type('gateway_select')) {
 
 				$_elements[] = array(
-					'text'    => __( 'Select Payment Method', 'invoicing' ),
+					'text'    => __('Select Payment Method', 'invoicing'),
 					'id'      => 'gtscicd',
 					'name'    => 'gtscicd',
 					'type'    => 'gateway_select',
@@ -257,22 +257,22 @@ 
 	 * @param  string $return objects or arrays.
 	 * @return GetPaid_Form_Item[]
 	 */
-	public function get_items( $context = 'view', $return = 'objects' ) {
-		$items = $this->get_prop( 'items', $context );
+	public function get_items($context = 'view', $return = 'objects') {
+		$items = $this->get_prop('items', $context);
 
-		if ( empty( $items ) || ! is_array( $items ) ) {
-            $items = wpinv_get_data( 'sample-payment-form-items' );
+		if (empty($items) || !is_array($items)) {
+            $items = wpinv_get_data('sample-payment-form-items');
 		}
 
 		// Convert the items.
 		$prepared = array();
 
-		foreach ( $items as $key => $value ) {
+		foreach ($items as $key => $value) {
 
 			// Form items.
-			if ( $value instanceof GetPaid_Form_Item ) {
+			if ($value instanceof GetPaid_Form_Item) {
 
-				if ( $value->can_purchase() ) {
+				if ($value->can_purchase()) {
 					$prepared[] = $value;
 				}
 
@@ -281,16 +281,16 @@ 
 			}
 
 			// $item_id => $quantity (buy buttons)
-			if ( is_numeric( $key ) && is_numeric( $value ) ) {
-				$item = new GetPaid_Form_Item( $key );
+			if (is_numeric($key) && is_numeric($value)) {
+				$item = new GetPaid_Form_Item($key);
 
-				if ( $item->can_purchase() ) {
+				if ($item->can_purchase()) {
 
 					$value = (float) $value;
-					$item->set_quantity( $value );
-					if ( 0 == $value ) {
-						$item->set_quantity( 1 );
-						$item->set_allow_quantities( true );
+					$item->set_quantity($value);
+					if (0 == $value) {
+						$item->set_quantity(1);
+						$item->set_allow_quantities(true);
 					}
 
 					$prepared[] = $item;
@@ -300,33 +300,33 @@ 
 			}
 
 			// Items saved via payment forms editor.
-			if ( is_array( $value ) && isset( $value['id'] ) ) {
+			if (is_array($value) && isset($value['id'])) {
 
-				$item = new GetPaid_Form_Item( $value['id'] );
+				$item = new GetPaid_Form_Item($value['id']);
 
-				if ( ! $item->can_purchase() ) {
+				if (!$item->can_purchase()) {
 					continue;
 				}
 
 				// Sub-total (Cart items).
-				if ( isset( $value['subtotal'] ) ) {
-					$item->set_price( $value['subtotal'] );
+				if (isset($value['subtotal'])) {
+					$item->set_price($value['subtotal']);
 				}
 
-				if ( isset( $value['quantity'] ) ) {
-					$item->set_quantity( $value['quantity'] );
+				if (isset($value['quantity'])) {
+					$item->set_quantity($value['quantity']);
 				}
 
-				if ( isset( $value['allow_quantities'] ) ) {
-					$item->set_allow_quantities( $value['allow_quantities'] );
+				if (isset($value['allow_quantities'])) {
+					$item->set_allow_quantities($value['allow_quantities']);
 				}
 
-				if ( isset( $value['required'] ) ) {
-					$item->set_is_required( $value['required'] );
+				if (isset($value['required'])) {
+					$item->set_is_required($value['required']);
 				}
 
-				if ( isset( $value['description'] ) ) {
-					$item->set_custom_description( $value['description'] );
+				if (isset($value['description'])) {
+					$item->set_custom_description($value['description']);
 				}
 
 				$prepared[] = $item;
@@ -335,14 +335,14 @@ 
 			}
 
 			// $item_id => array( 'price' => 10 ) (item variations)
-			if ( is_numeric( $key ) && is_array( $value ) ) {
-				$item = new GetPaid_Form_Item( $key );
+			if (is_numeric($key) && is_array($value)) {
+				$item = new GetPaid_Form_Item($key);
 
-				if ( isset( $value['price'] ) && $item->user_can_set_their_price() ) {
-					$item->set_price( $value['price'] );
+				if (isset($value['price']) && $item->user_can_set_their_price()) {
+					$item->set_price($value['price']);
 				}
 
-				if ( $item->can_purchase() ) {
+				if ($item->can_purchase()) {
 					$prepared[] = $item;
 				}
 
@@ -350,12 +350,12 @@ 
 			}
 }
 
-		if ( 'objects' == $return && 'view' == $context ) {
+		if ('objects' == $return && 'view' == $context) {
 			return $prepared;
 		}
 
 		$items = array();
-		foreach ( $prepared as $item ) {
+		foreach ($prepared as $item) {
 			$items[] = $item->prepare_data_for_use();
 		}
 
@@ -369,14 +369,14 @@ 
 	 * @param  int $item_id The item id to return.
 	 * @return GetPaid_Form_Item|bool
 	 */
-	public function get_item( $item_id ) {
+	public function get_item($item_id) {
 
-		if ( empty( $item_id ) || ! is_numeric( $item_id ) ) {
+		if (empty($item_id) || !is_numeric($item_id)) {
 			return false;
 		}
 
-		foreach ( $this->get_items() as $item ) {
-			if ( $item->get_id() == (int) $item_id ) {
+		foreach ($this->get_items() as $item) {
+			if ($item->get_id() == (int) $item_id) {
 				return $item;
 			}
 		}
@@ -392,15 +392,15 @@ 
 	 * @param  string $element_type The element type to return.
 	 * @return array|bool
 	 */
-	public function get_element_type( $element_type ) {
+	public function get_element_type($element_type) {
 
-		if ( empty( $element_type ) || ! is_scalar( $element_type ) ) {
+		if (empty($element_type) || !is_scalar($element_type)) {
 			return false;
 		}
 
-		foreach ( $this->get_prop( 'elements' ) as $element ) {
+		foreach ($this->get_prop('elements') as $element) {
 
-			if ( $element['type'] === $element_type ) {
+			if ($element['type'] === $element_type) {
 				return $element;
 			}
 		}
@@ -416,8 +416,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_earned( $context = 'view' ) {
-		return $this->get_prop( 'earned', $context );
+	public function get_earned($context = 'view') {
+		return $this->get_prop('earned', $context);
 	}
 
 	/**
@@ -427,8 +427,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_refunded( $context = 'view' ) {
-		return $this->get_prop( 'refunded', $context );
+	public function get_refunded($context = 'view') {
+		return $this->get_prop('refunded', $context);
 	}
 
 	/**
@@ -438,8 +438,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_cancelled( $context = 'view' ) {
-		return $this->get_prop( 'cancelled', $context );
+	public function get_cancelled($context = 'view') {
+		return $this->get_prop('cancelled', $context);
 	}
 
 	/**
@@ -449,8 +449,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_failed( $context = 'view' ) {
-		return $this->get_prop( 'failed', $context );
+	public function get_failed($context = 'view') {
+		return $this->get_prop('failed', $context);
 	}
 
 	/**
@@ -461,8 +461,8 @@ 
 	 * @return string
 	 */
 	public function get_currency() {
-		$currency = empty( $this->invoice ) ? wpinv_get_currency() : $this->invoice->get_currency();
-		return apply_filters( 'getpaid-payment-form-currency', $currency, $this );
+		$currency = empty($this->invoice) ? wpinv_get_currency() : $this->invoice->get_currency();
+		return apply_filters('getpaid-payment-form-currency', $currency, $this);
 	}
 
     /*
@@ -480,8 +480,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -491,11 +491,11 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_created( $value ) {
-        $date = strtotime( $value );
+	public function set_date_created($value) {
+        $date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date) {
+            $this->set_prop('date_created', date('Y-m-d H:i:s', $date));
             return true;
         }
 
@@ -510,11 +510,11 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_modified( $value ) {
-        $date = strtotime( $value );
+	public function set_date_modified($value) {
+        $date = strtotime($value);
 
-        if ( $date ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date) {
+            $this->set_prop('date_modified', date('Y-m-d H:i:s', $date));
             return true;
         }
 
@@ -528,8 +528,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_name( $value ) {
-		$this->set_prop( 'name', sanitize_text_field( $value ) );
+	public function set_name($value) {
+		$this->set_prop('name', sanitize_text_field($value));
     }
 
     /**
@@ -538,8 +538,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+	public function set_title($value) {
+		$this->set_name($value);
     }
 
     /**
@@ -548,8 +548,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
+	public function set_author($value) {
+		$this->set_prop('author', (int) $value);
 	}
 
 	/**
@@ -559,9 +559,9 @@ 
 	 * @sinve 2.3.4 Array values sanitized.
 	 * @param  array $value Form elements.
 	 */
-	public function set_elements( $value ) {
-		if ( is_array( $value ) ) {
-			$this->set_prop( 'elements', wp_kses_post_deep( $value ) );
+	public function set_elements($value) {
+		if (is_array($value)) {
+			$this->set_prop('elements', wp_kses_post_deep($value));
 		}
 	}
 
@@ -572,36 +572,36 @@ 
 	 *
 	 * @return mixed
 	 */
-	public function sanitize_array_values( $value ) {
+	public function sanitize_array_values($value) {
 
 		// sanitize
-		if ( ! empty( $value ) ) {
+		if (!empty($value)) {
 
-			foreach ( $value as $key => $val_arr ) {
+			foreach ($value as $key => $val_arr) {
 
-				if ( is_array( $val_arr ) ) {
+				if (is_array($val_arr)) {
 					// check if we have sub array items.
 					$sub_arr = array();
-					foreach ( $val_arr as $key2 => $val2 ) {
-						if ( is_array( $val2 ) ) {
-							$sub_arr[ $key2 ] = $this->sanitize_array_values( $val2 );
-							unset( $val_arr[ $key ][ $key2 ] );
+					foreach ($val_arr as $key2 => $val2) {
+						if (is_array($val2)) {
+							$sub_arr[$key2] = $this->sanitize_array_values($val2);
+							unset($val_arr[$key][$key2]);
 						}
 					}
 
 					// we allow some html in description so we sanitize it separately.
-					$help_text = ! empty( $val_arr['description'] ) ? wp_kses_post( $val_arr['description'] ) : '';
+					$help_text = !empty($val_arr['description']) ? wp_kses_post($val_arr['description']) : '';
 
 					// sanitize array elements
-					$value[ $key ] = array_map( 'sanitize_text_field', $val_arr );
+					$value[$key] = array_map('sanitize_text_field', $val_arr);
 
 					// add back the description if set
-					if ( isset( $val_arr['description'] ) ) {
-$value[ $key ]['description'] = $help_text;}
+					if (isset($val_arr['description'])) {
+$value[$key]['description'] = $help_text; }
 
 					// add back sub array items after its been sanitized.
-					if ( ! empty( $sub_arr ) ) {
-						$value[ $key ] = array_merge( $value[ $key ], $sub_arr );
+					if (!empty($sub_arr)) {
+						$value[$key] = array_merge($value[$key], $sub_arr);
 					}
 				}
 }
@@ -616,9 +616,9 @@ 
 	 * @since 1.0.19
 	 * @param  array $value Form elements.
 	 */
-	public function set_items( $value ) {
-		if ( is_array( $value ) ) {
-			$this->set_prop( 'items', $value );
+	public function set_items($value) {
+		if (is_array($value)) {
+			$this->set_prop('items', $value);
 		}
 	}
 
@@ -628,9 +628,9 @@ 
 	 * @since 1.0.19
 	 * @param  float $value Amount earned.
 	 */
-	public function set_earned( $value ) {
-		$value = max( (float) $value, 0 );
-		$this->set_prop( 'earned', $value );
+	public function set_earned($value) {
+		$value = max((float) $value, 0);
+		$this->set_prop('earned', $value);
 	}
 
 	/**
@@ -639,9 +639,9 @@ 
 	 * @since 1.0.19
 	 * @param  float $value Amount refunded.
 	 */
-	public function set_refunded( $value ) {
-		$value = max( (float) $value, 0 );
-		$this->set_prop( 'refunded', $value );
+	public function set_refunded($value) {
+		$value = max((float) $value, 0);
+		$this->set_prop('refunded', $value);
 	}
 
 	/**
@@ -650,9 +650,9 @@ 
 	 * @since 1.0.19
 	 * @param  float $value Amount cancelled.
 	 */
-	public function set_cancelled( $value ) {
-		$value = max( (float) $value, 0 );
-		$this->set_prop( 'cancelled', $value );
+	public function set_cancelled($value) {
+		$value = max((float) $value, 0);
+		$this->set_prop('cancelled', $value);
 	}
 
 	/**
@@ -661,9 +661,9 @@ 
 	 * @since 1.0.19
 	 * @param  float $value Amount cancelled.
 	 */
-	public function set_failed( $value ) {
-		$value = max( (float) $value, 0 );
-		$this->set_prop( 'failed', $value );
+	public function set_failed($value) {
+		$value = max((float) $value, 0);
+		$this->set_prop('failed', $value);
 	}
 
     /**
@@ -672,11 +672,11 @@ 
      * @deprecated
 	 * @return int item id
      */
-    public function create( $data = array() ) {
+    public function create($data = array()) {
 
 		// Set the properties.
-		if ( is_array( $data ) ) {
-			$this->set_props( $data );
+		if (is_array($data)) {
+			$this->set_props($data);
 		}
 
 		// Save the item.
@@ -690,8 +690,8 @@ 
      * @deprecated
 	 * @return int item id
      */
-    public function update( $data = array() ) {
-        return $this->create( $data );
+    public function update($data = array()) {
+        return $this->create($data);
     }
 
     /*
@@ -711,7 +711,7 @@ 
 	 */
     public function is_default() {
         $is_default = $this->get_id() == wpinv_get_default_payment_form();
-        return (bool) apply_filters( 'wpinv_is_default_payment_form', $is_default, $this->get_id(), $this );
+        return (bool) apply_filters('wpinv_is_default_payment_form', $is_default, $this->get_id(), $this);
 	}
 
     /**
@@ -723,11 +723,11 @@ 
     public function is_active() {
         $is_active = 0 !== (int) $this->get_id();
 
-        if ( $is_active && ! current_user_can( 'edit_post', $this->get_id() ) && $this->get_status() != 'publish' ) {
+        if ($is_active && !current_user_can('edit_post', $this->get_id()) && $this->get_status() != 'publish') {
             $is_active = false;
         }
 
-        return (bool) apply_filters( 'wpinv_is_payment_form_active', $is_active, $this );
+        return (bool) apply_filters('wpinv_is_payment_form_active', $is_active, $this);
 	}
 
 	/**
@@ -736,8 +736,8 @@ 
 	 * @since 1.0.19
 	 * @return bool
 	 */
-    public function has_item( $item_id ) {
-        return false !== $this->get_item( $item_id );
+    public function has_item($item_id) {
+        return false !== $this->get_item($item_id);
 	}
 
 	/**
@@ -746,8 +746,8 @@ 
 	 * @since 1.0.19
 	 * @return bool
 	 */
-    public function has_element_type( $element_type ) {
-        return false !== $this->get_element_type( $element_type );
+    public function has_element_type($element_type) {
+        return false !== $this->get_element_type($element_type);
 	}
 
 	/**
@@ -758,13 +758,13 @@ 
 	 */
     public function is_recurring() {
 
-		if ( ! empty( $this->invoice ) ) {
+		if (!empty($this->invoice)) {
 			return $this->invoice->is_recurring();
 		}
 
-		foreach ( $this->get_items() as $item ) {
+		foreach ($this->get_items() as $item) {
 
-			if ( $item->is_recurring() ) {
+			if ($item->is_recurring()) {
 				return true;
 			}
 }
@@ -777,7 +777,7 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-    public function get_html( $extra_markup = '' ) {
+    public function get_html($extra_markup = '') {
 
 		// Return the HTML.
 		return wpinv_get_template_html(
@@ -795,7 +795,7 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-    public function display( $extra_markup = '' ) {
+    public function display($extra_markup = '') {
 		wpinv_get_template(
 			'payment-forms/form.php',
 			array(

templates/payment-forms/form.php

Spacing +32 added lines, -32 removed lines

@@ -7,17 +7,17 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Standardize IDs.
 global $rendered_getpaid_forms;
 
 // Make sure that the form is active.
-if ( ! $form->is_active() ) {
+if (!$form->is_active()) {
     aui()->alert(
         array(
             'type'    => 'warning',
-            'content' => __( 'This payment form is no longer active', 'invoicing' ),
+            'content' => __('This payment form is no longer active', 'invoicing'),
         ),
         true
     );
@@ -25,12 +25,12 @@ 
 }
 
 // Require login to checkout.
-if ( wpinv_require_login_to_checkout() && ! get_current_user_id() ) {
+if (wpinv_require_login_to_checkout() && !get_current_user_id()) {
 
     aui()->alert(
         array(
             'type'    => 'danger',
-            'content' => __( 'You must be logged in to checkout.', 'invoicing' ),
+            'content' => __('You must be logged in to checkout.', 'invoicing'),
         ),
         true
     );
@@ -38,36 +38,36 @@ 
 
 }
 
-if ( ! is_array( $rendered_getpaid_forms ) ) {
+if (!is_array($rendered_getpaid_forms)) {
     $rendered_getpaid_forms = array();
 }
 
-$rendered_getpaid_forms[ $form->get_id() ] = isset( $rendered_getpaid_forms[ $form->get_id() ] ) ? $rendered_getpaid_forms[ $form->get_id() ] + 1 : 0;
+$rendered_getpaid_forms[$form->get_id()] = isset($rendered_getpaid_forms[$form->get_id()]) ? $rendered_getpaid_forms[$form->get_id()] + 1 : 0;
 
 // Fires before displaying a payment form.
-do_action( 'getpaid_before_payment_form', $form );
+do_action('getpaid_before_payment_form', $form);
 ?>
 
-<form class='getpaid-payment-form getpaid-payment-form-<?php echo absint( $form->get_id() ); ?> bsui position-relative' method='POST' data-key='<?php echo esc_attr( uniqid( 'gpf' ) ); ?>' data-currency='<?php echo esc_attr( empty( $form->invoice ) ? wpinv_get_currency() : $form->invoice->get_currency() ); ?>' novalidate>
+<form class='getpaid-payment-form getpaid-payment-form-<?php echo absint($form->get_id()); ?> bsui position-relative' method='POST' data-key='<?php echo esc_attr(uniqid('gpf')); ?>' data-currency='<?php echo esc_attr(empty($form->invoice) ? wpinv_get_currency() : $form->invoice->get_currency()); ?>' novalidate>
 
     <?php
 
         // Fires when printing the top of a payment form.
-        do_action( 'getpaid_payment_form_top', $form );
+        do_action('getpaid_payment_form_top', $form);
 
         // And the optional invoice id.
-        if ( ! empty( $form->invoice ) ) {
-		    getpaid_hidden_field( 'invoice_id', $form->invoice->get_id() );
+        if (!empty($form->invoice)) {
+		    getpaid_hidden_field('invoice_id', $form->invoice->get_id());
         }
 
         // We also want to include the form id.
-        getpaid_hidden_field( 'form_id', $form->get_id() );
+        getpaid_hidden_field('form_id', $form->get_id());
 
         // And an indication that this is a payment form submission.
-        getpaid_hidden_field( 'getpaid_payment_form_submission', '1' );
+        getpaid_hidden_field('getpaid_payment_form_submission', '1');
 
         // Fires before displaying payment form elements.
-        do_action( 'getpaid_payment_form_before_elements', $form );
+        do_action('getpaid_payment_form_before_elements', $form);
 
         // Display the elements.
         ?>
@@ -75,17 +75,17 @@ 
             <div class="row">
                 <?php
 
-                    foreach ( $form->get_elements() as $element ) {
-					    if ( isset( $element['type'] ) ) {
-                            $grid_class = getpaid_get_form_element_grid_class( $element );
-                            do_action( 'getpaid_payment_form_element_before', $element, $form );
-                            do_action( "getpaid_payment_form_element_before_{$element['type']}_template", $element, $form );
-                            echo "<div class='" . esc_attr( $grid_class ) . "'>";
-                            do_action( 'getpaid_payment_form_element', $element, $form );
-                            do_action( "getpaid_payment_form_element_{$element['type']}_template", $element, $form );
+                    foreach ($form->get_elements() as $element) {
+					    if (isset($element['type'])) {
+                            $grid_class = getpaid_get_form_element_grid_class($element);
+                            do_action('getpaid_payment_form_element_before', $element, $form);
+                            do_action("getpaid_payment_form_element_before_{$element['type']}_template", $element, $form);
+                            echo "<div class='" . esc_attr($grid_class) . "'>";
+                            do_action('getpaid_payment_form_element', $element, $form);
+                            do_action("getpaid_payment_form_element_{$element['type']}_template", $element, $form);
                             echo '</div>';
-                            do_action( 'getpaid_payment_form_element_after', $element, $form );
-                            do_action( "getpaid_payment_form_element_after_{$element['type']}_template", $element, $form );
+                            do_action('getpaid_payment_form_element_after', $element, $form);
+                            do_action("getpaid_payment_form_element_after_{$element['type']}_template", $element, $form);
                         }
                     }
 
@@ -95,28 +95,28 @@ 
 
         <?php
         // Fires after displaying payment form elements.
-        do_action( 'getpaid_payment_form_after_elements', $form );
+        do_action('getpaid_payment_form_after_elements', $form);
 
         echo "<div class='getpaid-payment-form-errors alert alert-danger d-none'></div>";
 
-        if ( wpinv_current_user_can_manage_invoicing() ) {
+        if (wpinv_current_user_can_manage_invoicing()) {
 
             edit_post_link(
-                __( 'Edit this form.', 'invoicing' ),
+                __('Edit this form.', 'invoicing'),
                 '<small class="form-text text-muted">',
-                '&nbsp;' . __( 'This is only visible to website administators.', 'invoicing' ) . '</small>',
+                '&nbsp;' . __('This is only visible to website administators.', 'invoicing') . '</small>',
                 $form->get_id(),
                 'text-danger'
             );
 
         }
 
-        echo wp_kses( $extra_markup, getpaid_allowed_html() );
+        echo wp_kses($extra_markup, getpaid_allowed_html());
     ?>
 
     <div class="loading_div overlay overlay-black position-absolute row m-0 rounded overflow-hidden" style="height: 100%;width: 100%;top: 0px;z-index: 2;display:none;">
         <div class="spinner-border mx-auto align-self-center text-white" role="status">
-            <span class="sr-only"><?php esc_html_e( 'Loading...', 'invoicing' ); ?></span>
+            <span class="sr-only"><?php esc_html_e('Loading...', 'invoicing'); ?></span>
         </div>
     </div>
 
@@ -125,4 +125,4 @@ 
 <?php
 
 // Fires after displaying a payment form.
-do_action( 'getpaid_after_payment_form', $form );
+do_action('getpaid_after_payment_form', $form);