AyeCode / invoicing

includes/class-wpinv-payment-form-elements.php

Spacing +311 added lines, -311 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -13,15 +13,15 @@ 
 
     public function __construct() {
 
-        foreach( $this->get_elements() as $element ) {
+        foreach ($this->get_elements() as $element) {
             $element = $element['type'];
 
-            if ( method_exists( $this, "render_{$element}_template" ) ) {
-                add_action( 'wpinv_payment_form_render_element_template', array( $this, "render_{$element}_template" ), 10, 2 );
+            if (method_exists($this, "render_{$element}_template")) {
+                add_action('wpinv_payment_form_render_element_template', array($this, "render_{$element}_template"), 10, 2);
             }
 
-            if ( method_exists( $this, "edit_{$element}_template" ) ) {
-                add_action( 'wpinv_payment_form_edit_element_template', array( $this, "edit_{$element}_template" ), 10, 2 );
+            if (method_exists($this, "edit_{$element}_template")) {
+                add_action('wpinv_payment_form_edit_element_template', array($this, "edit_{$element}_template"), 10, 2);
             }
 
 
@@ -34,20 +34,20 @@ 
      */
     public function get_elements() {
 
-        if ( ! empty( $this->elements ) ) {
+        if (!empty($this->elements)) {
             return $this->elements;
         }
 
-        $this->elements = wpinv_get_data( 'payment-form-elements' );
+        $this->elements = wpinv_get_data('payment-form-elements');
 
-        $this->elements = apply_filters( 'wpinv_filter_core_payment_form_elements', $this->elements );
+        $this->elements = apply_filters('wpinv_filter_core_payment_form_elements', $this->elements);
         return $this->elements;
     }
 
     /**
      * Returns the restrict markup.
      */
-    public function get_restrict_markup( $field, $field_type ) {
+    public function get_restrict_markup($field, $field_type) {
         $restrict = "$field.type=='$field_type'";
         return "v-if=\"$restrict\"";
     }
@@ -55,9 +55,9 @@ 
     /**
      * Renders the gateway select element template.
      */
-    public function render_gateway_select_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'gateway_select' );
-        $text     = __( 'The gateway select box will appear here', 'invoicing' );
+    public function render_gateway_select_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'gateway_select');
+        $text     = __('The gateway select box will appear here', 'invoicing');
         echo "
             <div $restrict class='alert alert-info' role='alert'>
                 <span>$text</span>
@@ -68,9 +68,9 @@ 
     /**
      * Renders the edit gateway select element template.
      */
-    public function edit_gateway_select_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'gateway_select' );
-        $label    = __( 'The gateway select text', 'invoicing' );
+    public function edit_gateway_select_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'gateway_select');
+        $label    = __('The gateway select text', 'invoicing');
         $id       = $field . '.id + "_edit"';
         echo "
             <div $restrict>
@@ -86,10 +86,10 @@ 
     /**
      * Renders the ip address element template.
      */
-    public function render_ip_address_template( $field ) {
-        $restrict   = $this->get_restrict_markup( $field, 'ip_address' );
-        $ip_address = sanitize_text_field( wpinv_get_ip() );
-        $url        = esc_url( getpaid_ip_location_url( $ip_address ) );
+    public function render_ip_address_template($field) {
+        $restrict   = $this->get_restrict_markup($field, 'ip_address');
+        $ip_address = sanitize_text_field(wpinv_get_ip());
+        $url        = esc_url(getpaid_ip_location_url($ip_address));
 
         echo "
             <div $restrict class='getpaid-ip-info'>
@@ -102,9 +102,9 @@ 
     /**
      * Renders the edit ip address element template.
      */
-    public function edit_ip_address_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'ip_address' );
-        $label    = __( 'The IP Address text', 'invoicing' );
+    public function edit_ip_address_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'ip_address');
+        $label    = __('The IP Address text', 'invoicing');
         $id       = $field . '.id + "_edit"';
         echo "
             <div $restrict>
@@ -120,9 +120,9 @@ 
     /**
      * Renders the total payable element template.
      */
-    public function render_total_payable_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'total_payable' );
-        $text     = __( 'The total payable amount will appear here', 'invoicing' );
+    public function render_total_payable_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'total_payable');
+        $text     = __('The total payable amount will appear here', 'invoicing');
         echo "
             <div $restrict class='alert alert-info' role='alert'>
                 <span>$text</span>
@@ -133,9 +133,9 @@ 
     /**
      * Renders the edit total payable element template.
      */
-    public function edit_total_payable_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'total_payable' );
-        $label    = __( 'The total payable text', 'invoicing' );
+    public function edit_total_payable_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'total_payable');
+        $label    = __('The total payable text', 'invoicing');
         $id       = $field . '.id + "_edit"';
         echo "
             <div $restrict>
@@ -151,18 +151,18 @@ 
     /**
      * Renders the title element template.
      */
-    public function render_heading_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'heading' );
+    public function render_heading_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'heading');
         echo "<component :is='$field.level' $restrict v-html='$field.text'></component>";
     }
 
     /**
      * Renders the edit title element template.
      */
-    public function edit_heading_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'heading' );
-        $label    = __( 'Heading', 'invoicing' );
-        $label2   = __( 'Select Heading Level', 'invoicing' );
+    public function edit_heading_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'heading');
+        $label    = __('Heading', 'invoicing');
+        $label2   = __('Select Heading Level', 'invoicing');
         $id       = $field . '.id + "_edit"';
         $id2      = $field . '.id + "_edit2"';
 
@@ -194,8 +194,8 @@ 
     /**
      * Renders a paragraph element template.
      */
-    public function render_paragraph_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'paragraph' );
+    public function render_paragraph_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'paragraph');
         $label    = "$field.text";
         echo "<p $restrict v-html='$label' style='font-size: 16px;'></p>";
     }
@@ -203,9 +203,9 @@ 
     /**
      * Renders the edit paragraph element template.
      */
-    public function edit_paragraph_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'paragraph' );
-        $label    = __( 'Enter your text', 'invoicing' );
+    public function edit_paragraph_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'paragraph');
+        $label    = __('Enter your text', 'invoicing');
         $id       = $field . '.id + "_edit"';
         echo "
             <div $restrict>
@@ -221,8 +221,8 @@ 
     /**
      * Renders the text element template.
      */
-    public function render_text_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'text' );
+    public function render_text_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'text');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -237,56 +237,56 @@ 
     /**
      * Renders the edit price select element template.
      */
-    public function edit_price_select_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'price_select' );
+    public function edit_price_select_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'price_select');
         
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label6   = __( 'Options', 'invoicing' );
+        $label6   = __('Options', 'invoicing');
         $id6      = $field . '.id + "_edit5"';
         ?>
             <div <?php echo $restrict; ?>>
-                <small class='form-text text-muted mb-2'><?php _e( 'This amount will be added to the total amount for this form', 'invoicing' ); ?></small>
+                <small class='form-text text-muted mb-2'><?php _e('This amount will be added to the total amount for this form', 'invoicing'); ?></small>
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php _e( 'Field Label', 'invoicing' ); ?></span>
+                        <span><?php _e('Field Label', 'invoicing'); ?></span>
                         <input v-model='<?php echo $field; ?>.label' class='form-control' />
                     </label>
                 </div>
 
                 <div class='form-group' v-if="<?php echo $field; ?>.select_type=='select'">
                     <label class="d-block">
-                        <span><?php _e( 'Placeholder text', 'invoicing' ); ?></span>
+                        <span><?php _e('Placeholder text', 'invoicing'); ?></span>
                         <input v-model='<?php echo $field; ?>.placeholder' class='form-control' />
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php _e( 'Select Type', 'invoicing' ); ?></span>
+                        <span><?php _e('Select Type', 'invoicing'); ?></span>
                         <select class='form-control custom-select' v-model='<?php echo $field; ?>.select_type'>
-                            <option value='select'><?php _e( 'Dropdown', 'invoicing' ) ?></option>
-                            <option value='checkboxes'><?php _e( 'Checkboxes', 'invoicing' ) ?></option>
-                            <option value='radios'><?php _e( 'Radio Buttons', 'invoicing' ) ?></option>
-                            <option value='buttons'><?php _e( 'Buttons', 'invoicing' ) ?></option>
-                            <option value='circles'><?php _e( 'Circles', 'invoicing' ) ?></option>
+                            <option value='select'><?php _e('Dropdown', 'invoicing') ?></option>
+                            <option value='checkboxes'><?php _e('Checkboxes', 'invoicing') ?></option>
+                            <option value='radios'><?php _e('Radio Buttons', 'invoicing') ?></option>
+                            <option value='buttons'><?php _e('Buttons', 'invoicing') ?></option>
+                            <option value='circles'><?php _e('Circles', 'invoicing') ?></option>
                         </select>
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php _e( 'Options', 'invoicing' ); ?></span>
+                        <span><?php _e('Options', 'invoicing'); ?></span>
                         <textarea placeholder='Basic|10,Pro|99,Business|199' v-model='<?php echo $field; ?>.options' class='form-control' rows='3'></textarea>
-                        <small class='form-text text-muted mb-2'><?php _e( 'Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing' ); ?></small>
+                        <small class='form-text text-muted mb-2'><?php _e('Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing'); ?></small>
                     </label>
                 </div>
 
                 <div class='form-group'>
                     <label class="d-block">
-                        <span><?php _e( 'Help Text', 'invoicing' ); ?></span>
-                        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='<?php echo $field; ?>.description' class='form-control' rows='3'></textarea>
+                        <span><?php _e('Help Text', 'invoicing'); ?></span>
+                        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='<?php echo $field; ?>.description' class='form-control' rows='3'></textarea>
                     </label>
                 </div>
             </div>
@@ -297,8 +297,8 @@ 
     /**
      * Renders the price select element template.
      */
-    public function render_price_select_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'price_select' );
+    public function render_price_select_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'price_select');
         ?>
             <div <?php echo $restrict; ?> class='wpinv-payment-form-field-preview'>
                 <div class='wpinv-payment-form-field-preview-overlay'></div>
@@ -306,24 +306,24 @@ 
                 <label>{{<?php echo $field; ?>.label}}</label>
 
                 <!-- Buttons -->
-                <div v-if='<?php echo esc_attr( $field ); ?>.select_type=="buttons"' class="getpaid-price-buttons">
-                    <span v-for="(option, index) in <?php echo esc_attr( $field ); ?>.options.split(',')" :key="index">
-                        <input type="radio" :id="<?php echo esc_attr( $field ); ?>.id + index" :checked="index==0" />
-                        <label :for="<?php echo esc_attr( $field ); ?>.id + index" class="rounded">{{option | optionize}}</label>
+                <div v-if='<?php echo esc_attr($field); ?>.select_type=="buttons"' class="getpaid-price-buttons">
+                    <span v-for="(option, index) in <?php echo esc_attr($field); ?>.options.split(',')" :key="index">
+                        <input type="radio" :id="<?php echo esc_attr($field); ?>.id + index" :checked="index==0" />
+                        <label :for="<?php echo esc_attr($field); ?>.id + index" class="rounded">{{option | optionize}}</label>
                     </span>
                 </div>
 
                 <!-- Circles -->
-                <div v-if='<?php echo esc_attr( $field ); ?>.select_type=="circles"' class="getpaid-price-buttons getpaid-price-circles">
-                    <span v-for="(option, index) in <?php echo esc_attr( $field ); ?>.options.split(',')" :key="index">
-                        <input type="radio" :id="<?php echo esc_attr( $field ); ?>.id + index" :checked="index==0" />
-                        <label :for="<?php echo esc_attr( $field ); ?>.id + index"><span>{{option | optionize}}</span></label>
+                <div v-if='<?php echo esc_attr($field); ?>.select_type=="circles"' class="getpaid-price-buttons getpaid-price-circles">
+                    <span v-for="(option, index) in <?php echo esc_attr($field); ?>.options.split(',')" :key="index">
+                        <input type="radio" :id="<?php echo esc_attr($field); ?>.id + index" :checked="index==0" />
+                        <label :for="<?php echo esc_attr($field); ?>.id + index"><span>{{option | optionize}}</span></label>
                     </span>
                 </div>
 
                 <!-- Radios -->
-                <div v-if='<?php echo esc_attr( $field ); ?>.select_type=="radios"'>
-                    <div v-for="(option, index) in <?php echo esc_attr( $field ); ?>.options.split(',')" :key="index">
+                <div v-if='<?php echo esc_attr($field); ?>.select_type=="radios"'>
+                    <div v-for="(option, index) in <?php echo esc_attr($field); ?>.options.split(',')" :key="index">
                         <label>
                             <input type="radio" :checked="index==0" />
                             <span>{{option | optionize}}</span>
@@ -332,8 +332,8 @@ 
                 </div>
 
                 <!-- Checkboxes -->
-                <div v-if='<?php echo esc_attr( $field ); ?>.select_type=="checkboxes"'>
-                    <div v-for="(option, index) in <?php echo esc_attr( $field ); ?>.options.split(',')" :key="index">
+                <div v-if='<?php echo esc_attr($field); ?>.select_type=="checkboxes"'>
+                    <div v-for="(option, index) in <?php echo esc_attr($field); ?>.options.split(',')" :key="index">
                         <label>
                             <input type="checkbox" :checked="index==0" />
                             <span>{{option | optionize}}</span>
@@ -342,15 +342,15 @@ 
                 </div>
 
                 <!-- Select -->
-                <select v-if='<?php echo esc_attr( $field ); ?>.select_type=="select"' class='form-control custom-select'>
-                    <option v-if="<?php echo esc_attr( $field ); ?>.placeholder" selected="selected">
-                        {{<?php echo esc_attr( $field ); ?>.placeholder}}
+                <select v-if='<?php echo esc_attr($field); ?>.select_type=="select"' class='form-control custom-select'>
+                    <option v-if="<?php echo esc_attr($field); ?>.placeholder" selected="selected">
+                        {{<?php echo esc_attr($field); ?>.placeholder}}
                     </option>
-                    <option v-for="(option, index) in <?php echo esc_attr( $field ); ?>.options.split(',')" :key="index">
+                    <option v-for="(option, index) in <?php echo esc_attr($field); ?>.options.split(',')" :key="index">
                         {{option | optionize}}
                     </option>
                 </select>
-                <small v-if='<?php echo esc_attr( $field ); ?>.description' class='form-text text-muted' v-html='<?php echo esc_attr( $field ); ?>.description'></small>
+                <small v-if='<?php echo esc_attr($field); ?>.description' class='form-text text-muted' v-html='<?php echo esc_attr($field); ?>.description'></small>
             </div>
 
         <?php
@@ -359,17 +359,17 @@ 
     /**
      * Renders the edit price input element template.
      */
-    public function edit_price_input_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'price_input' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_price_input_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'price_input');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'The amount that users add to this field will be added to the total amount', 'invoicing' );
-        $label6   = __( 'Default Amount', 'invoicing' );
+        $label5   = __('The amount that users add to this field will be added to the total amount', 'invoicing');
+        $label6   = __('Default Amount', 'invoicing');
         $id6      = $field . '.id + "_edit5"';
         echo "
             <div $restrict>
@@ -397,16 +397,16 @@ 
     /**
      * Renders the edit text element template.
      */
-    public function edit_text_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'text' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_text_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'text');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -434,8 +434,8 @@ 
     /**
      * Renders the textarea element template.
      */
-    public function render_textarea_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'textarea' );
+    public function render_textarea_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'textarea');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -450,16 +450,16 @@ 
     /**
      * Renders the edit textarea element template.
      */
-    public function edit_textarea_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'textarea' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_textarea_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'textarea');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -487,8 +487,8 @@ 
     /**
      * Renders the select element template.
      */
-    public function render_select_template( $field ) {
-        $restrict    = $this->get_restrict_markup( $field, 'select' );
+    public function render_select_template($field) {
+        $restrict    = $this->get_restrict_markup($field, 'select');
         $label       = "$field.label";
         $placeholder = "$field.placeholder";
         $id          = $field . '.id';
@@ -508,18 +508,18 @@ 
     /**
      * Renders the edit select element template.
      */
-    public function edit_select_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'select' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_select_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'select');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
-        $label6   = __( 'Available Options', 'invoicing' );
+        $label6   = __('Available Options', 'invoicing');
         echo "
             <div $restrict>
                 <div class='form-group'>
@@ -557,8 +557,8 @@ 
     /**
      * Renders the checkbox element template.
      */
-    public function render_checkbox_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'checkbox' );
+    public function render_checkbox_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'checkbox');
         echo "
             <div class='form-check' $restrict>
                 <div class='wpinv-payment-form-field-preview-overlay'></div>
@@ -572,14 +572,14 @@ 
     /**
      * Renders the edit checkbox element template.
      */
-    public function edit_checkbox_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'checkbox' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_checkbox_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'checkbox');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Help text', 'invoicing' );
-        $label3   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label2   = __('Help text', 'invoicing');
+        $label3   = esc_attr__('Add some help text for this field', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label4   = __( 'Is this field required?', 'invoicing' );
+        $label4   = __('Is this field required?', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
         echo "
             <div $restrict>
@@ -603,8 +603,8 @@ 
     /**
      * Renders the radio element template.
      */
-    public function render_radio_template( $field ) {
-        $restrict    = $this->get_restrict_markup( $field, 'radio' );
+    public function render_radio_template($field) {
+        $restrict    = $this->get_restrict_markup($field, 'radio');
         $label       = "$field.label";
         $id          = $field . '.id';
         echo "
@@ -623,16 +623,16 @@ 
     /**
      * Renders the edit radio element template.
      */
-    public function edit_radio_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'radio' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_radio_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'radio');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Help text', 'invoicing' );
-        $label3   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label2   = __('Help text', 'invoicing');
+        $label3   = esc_attr__('Add some help text for this field', 'invoicing');
         $id2      = $field . '.id + "_edit3"';
-        $label4   = __( 'Is this field required?', 'invoicing' );
+        $label4   = __('Is this field required?', 'invoicing');
         $id3      = $field . '.id + "_edit4"';
-        $label5   = __( 'Available Options', 'invoicing' );
+        $label5   = __('Available Options', 'invoicing');
         echo "
             <div $restrict>
                 <div class='form-group'>
@@ -666,8 +666,8 @@ 
     /**
      * Renders the address element template.
      */
-    public function render_address_template( $field ) {
-        $restrict    = $this->get_restrict_markup( $field, 'address' );
+    public function render_address_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'address');
 
         echo "
             <div class='wpinv-address-wrapper' $restrict>
@@ -689,13 +689,13 @@ 
     /**
      * Renders the edit address element template.
      */
-    public function edit_address_template( $field ) {
-        $restrict  = $this->get_restrict_markup( $field, 'address' );
-        $label     = __( 'Field Label', 'invoicing' );
-        $label2    = __( 'Placeholder', 'invoicing' );
-        $label3    = __( 'Description', 'invoicing' );
-        $label4    = __( 'Is required', 'invoicing' );
-        $label5    = __( 'Is visible', 'invoicing' );
+    public function edit_address_template($field) {
+        $restrict  = $this->get_restrict_markup($field, 'address');
+        $label     = __('Field Label', 'invoicing');
+        $label2    = __('Placeholder', 'invoicing');
+        $label3    = __('Description', 'invoicing');
+        $label4    = __('Is required', 'invoicing');
+        $label5    = __('Is visible', 'invoicing');
         $id        = $field . '.id + "_edit_label"';
         $id2       = $field . '.id + "_edit_placeholder"';
         $id3       = $field . '.id + "_edit_description"';
@@ -763,8 +763,8 @@ 
     /**
      * Renders the email element template.
      */
-    public function render_email_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'email' );
+    public function render_email_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'email');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -779,8 +779,8 @@ 
     /**
      * Renders the billing_email element template.
      */
-    public function render_billing_email_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'billing_email' );
+    public function render_billing_email_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'billing_email');
         $label    = "$field.label";
         echo "
             <div $restrict>
@@ -794,16 +794,16 @@ 
     /**
      * Renders the edit email element template.
      */
-    public function edit_email_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'email' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_email_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'email');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -831,16 +831,16 @@ 
     /**
      * Renders the edit billing_email element template.
      */
-    public function edit_billing_email_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'billing_email' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_billing_email_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'billing_email');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -864,8 +864,8 @@ 
     /**
      * Renders the website element template.
      */
-    public function render_website_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'website' );
+    public function render_website_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'website');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -880,16 +880,16 @@ 
     /**
      * Renders the edit website element template.
      */
-    public function edit_website_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'website' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_website_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'website');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -917,8 +917,8 @@ 
     /**
      * Renders the date element template.
      */
-    public function render_date_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'date' );
+    public function render_date_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'date');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -933,14 +933,14 @@ 
     /**
      * Renders the edit date element template.
      */
-    public function edit_date_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'date' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_date_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'date');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -964,8 +964,8 @@ 
     /**
      * Renders the time element template.
      */
-    public function render_time_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'time' );
+    public function render_time_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'time');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -980,14 +980,14 @@ 
     /**
      * Renders the edit time element template.
      */
-    public function edit_time_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'time' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_time_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'time');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -1011,8 +1011,8 @@ 
     /**
      * Renders the number element template.
      */
-    public function render_number_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'number' );
+    public function render_number_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'number');
         $label    = "$field.label";
         echo "
             <div $restrict class='wpinv-payment-form-field-preview'>
@@ -1027,16 +1027,16 @@ 
     /**
      * Renders the edit number element template.
      */
-    public function edit_number_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'number' );
-        $label    = __( 'Field Label', 'invoicing' );
+    public function edit_number_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'number');
+        $label    = __('Field Label', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Placeholder text', 'invoicing' );
+        $label2   = __('Placeholder text', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label3   = __( 'Help text', 'invoicing' );
-        $label4   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label3   = __('Help text', 'invoicing');
+        $label4   = esc_attr__('Add some help text for this field', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
-        $label5   = __( 'Is this field required?', 'invoicing' );
+        $label5   = __('Is this field required?', 'invoicing');
         $id4      = $field . '.id + "_edit4"';
         echo "
             <div $restrict>
@@ -1064,16 +1064,16 @@ 
     /**
      * Renders the separator element template.
      */
-    public function render_separator_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'separator' );
+    public function render_separator_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'separator');
         echo "<hr class='featurette-divider' $restrict>";
     }
 
     /**
      * Renders the pay button element template.
      */
-    public function render_pay_button_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'pay_button' );
+    public function render_pay_button_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'pay_button');
         $label    = "$field.label";
         echo "
             <div $restrict>
@@ -1086,14 +1086,14 @@ 
     /**
      * Renders the pay button element template.
      */
-    public function edit_pay_button_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'pay_button' );
-        $label    = __( 'Button Text', 'invoicing' );
+    public function edit_pay_button_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'pay_button');
+        $label    = __('Button Text', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label2   = __( 'Help text', 'invoicing' );
-        $label3   = esc_attr__( 'Add some help text for this field', 'invoicing' );
+        $label2   = __('Help text', 'invoicing');
+        $label3   = esc_attr__('Add some help text for this field', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label4   = esc_attr__( 'Button Type', 'invoicing' );
+        $label4   = esc_attr__('Button Type', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
 
         echo "
@@ -1110,15 +1110,15 @@ 
                     <label :for='$id3'>$label4</label>
 
                     <select class='form-control custom-select' :id='$id3' v-model='$field.class'>
-                        <option value='btn-primary'>"   . __( 'Primary', 'invoicing' ) ."</option>
-                        <option value='btn-secondary'>" . __( 'Secondary', 'invoicing' ) ."</option>
-                        <option value='btn-success'>"   . __( 'Success', 'invoicing' ) ."</option>
-                        <option value='btn-danger'>"    . __( 'Danger', 'invoicing' ) ."</option>
-                        <option value='btn-warning'>"   . __( 'Warning', 'invoicing' ) ."</option>
-                        <option value='btn-info'>"      . __( 'Info', 'invoicing' ) ."</option>
-                        <option value='btn-light'>"     . __( 'Light', 'invoicing' ) ."</option>
-                        <option value='btn-dark'>"      . __( 'Dark', 'invoicing' ) ."</option>
-                        <option value='btn-link'>"      . __( 'Link', 'invoicing' ) ."</option>
+                        <option value='btn-primary'>" . __('Primary', 'invoicing') . "</option>
+                        <option value='btn-secondary'>" . __('Secondary', 'invoicing') . "</option>
+                        <option value='btn-success'>"   . __('Success', 'invoicing') . "</option>
+                        <option value='btn-danger'>"    . __('Danger', 'invoicing') . "</option>
+                        <option value='btn-warning'>"   . __('Warning', 'invoicing') . "</option>
+                        <option value='btn-info'>"      . __('Info', 'invoicing') . "</option>
+                        <option value='btn-light'>"     . __('Light', 'invoicing') . "</option>
+                        <option value='btn-dark'>"      . __('Dark', 'invoicing') . "</option>
+                        <option value='btn-link'>"      . __('Link', 'invoicing') . "</option>
                     </select>
                 </div>
             </div>
@@ -1129,8 +1129,8 @@ 
     /**
      * Renders the alert element template.
      */
-    public function render_alert_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'alert' );
+    public function render_alert_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'alert');
         $text     = "$field.text";
         echo "
             <div $restrict class='alert' :class='$field.class' role='alert'>
@@ -1145,14 +1145,14 @@ 
     /**
      * Renders the alert element template.
      */
-    public function edit_alert_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'alert' );
-        $label    = __( 'Alert Text', 'invoicing' );
-        $label2   = esc_attr__( 'Enter your alert text here', 'invoicing' );
+    public function edit_alert_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'alert');
+        $label    = __('Alert Text', 'invoicing');
+        $label2   = esc_attr__('Enter your alert text here', 'invoicing');
         $id       = $field . '.id + "_edit"';
-        $label3   = __( 'Is Dismissible?', 'invoicing' );
+        $label3   = __('Is Dismissible?', 'invoicing');
         $id2      = $field . '.id + "_edit2"';
-        $label4   = esc_attr__( 'Alert Type', 'invoicing' );
+        $label4   = esc_attr__('Alert Type', 'invoicing');
         $id3      = $field . '.id + "_edit3"';
         echo "
             <div $restrict>
@@ -1168,14 +1168,14 @@ 
                     <label :for='$id3'>$label4</label>
 
                     <select class='form-control custom-select' :id='$id3' v-model='$field.class'>
-                        <option value='alert-primary'>"   . __( 'Primary', 'invoicing' ) ."</option>
-                        <option value='alert-secondary'>" . __( 'Secondary', 'invoicing' ) ."</option>
-                        <option value='alert-success'>"   . __( 'Success', 'invoicing' ) ."</option>
-                        <option value='alert-danger'>"    . __( 'Danger', 'invoicing' ) ."</option>
-                        <option value='alert-warning'>"   . __( 'Warning', 'invoicing' ) ."</option>
-                        <option value='alert-info'>"      . __( 'Info', 'invoicing' ) ."</option>
-                        <option value='alert-light'>"     . __( 'Light', 'invoicing' ) ."</option>
-                        <option value='alert-dark'>"      . __( 'Dark', 'invoicing' ) ."</option>
+                        <option value='alert-primary'>" . __('Primary', 'invoicing') . "</option>
+                        <option value='alert-secondary'>" . __('Secondary', 'invoicing') . "</option>
+                        <option value='alert-success'>"   . __('Success', 'invoicing') . "</option>
+                        <option value='alert-danger'>"    . __('Danger', 'invoicing') . "</option>
+                        <option value='alert-warning'>"   . __('Warning', 'invoicing') . "</option>
+                        <option value='alert-info'>"      . __('Info', 'invoicing') . "</option>
+                        <option value='alert-light'>"     . __('Light', 'invoicing') . "</option>
+                        <option value='alert-dark'>"      . __('Dark', 'invoicing') . "</option>
                     </select>
                 </div>
             </div>
@@ -1186,8 +1186,8 @@ 
     /**
      * Renders the discount element template.
      */
-    public function render_discount_template( $field ) {
-        $restrict  = $this->get_restrict_markup( $field, 'discount' );
+    public function render_discount_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'discount');
         ?>
 
             <div <?php echo $restrict; ?> class="discount_field border rounded p-3 wpinv-payment-form-field-preview">
@@ -1205,12 +1205,12 @@ 
     /**
      * Renders the discount element template.
      */
-    public function edit_discount_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'discount' );
-        $label    = __( 'Discount Input Placeholder', 'invoicing' );
-        $label2   = __( 'Help Text', 'invoicing' );
-        $label3   = esc_attr__( 'Add some help text for this field', 'invoicing' );
-        $label4   = __( 'Button Text', 'invoicing' );
+    public function edit_discount_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'discount');
+        $label    = __('Discount Input Placeholder', 'invoicing');
+        $label2   = __('Help Text', 'invoicing');
+        $label3   = esc_attr__('Add some help text for this field', 'invoicing');
+        $label4   = __('Button Text', 'invoicing');
         $id       = $field . '.id + "_edit"';
         $id2      = $field . '.id + "_edit2"';
         $id3      = $field . '.id + "_edit3"';
@@ -1239,17 +1239,17 @@ 
     /**
      * Renders the items element template.
      */
-    public function render_items_template( $field ) {
-        $restrict  = $this->get_restrict_markup( $field, 'items' );
+    public function render_items_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'items');
         ?>
 
         <div <?php echo $restrict; ?> class='item_totals'>
             <div v-if='!is_default'>
-                <div v-if='! canCheckoutSeveralSubscriptions(<?php echo $field; ?>)' class='alert alert-info' role='alert'><?php _e( 'Item totals will appear here. Click to set items.', 'invoicing' ) ?></div>
-                <div v-if='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)' class='alert alert-danger' role='alert'><?php _e( 'Your form allows customers to buy several recurring items. This is not supported and might lead to unexpected behaviour.', 'invoicing' ); ?></div>
+                <div v-if='! canCheckoutSeveralSubscriptions(<?php echo $field; ?>)' class='alert alert-info' role='alert'><?php _e('Item totals will appear here. Click to set items.', 'invoicing') ?></div>
+                <div v-if='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)' class='alert alert-danger' role='alert'><?php _e('Your form allows customers to buy several recurring items. This is not supported and might lead to unexpected behaviour.', 'invoicing'); ?></div>
             </div>
             <div v-if='is_default'>
-                <div class='alert alert-info' role='alert'><?php _e( 'Item totals will appear here.', 'invoicing' ) ?></div>
+                <div class='alert alert-info' role='alert'><?php _e('Item totals will appear here.', 'invoicing') ?></div>
             </div>
         </div>
 
@@ -1259,25 +1259,25 @@ 
     /**
      * Renders the items element template.
      */
-    public function edit_items_template( $field ) {
+    public function edit_items_template($field) {
         global $wpinv_euvat, $post;
 
-        $restrict = $this->get_restrict_markup( $field, 'items' );
+        $restrict = $this->get_restrict_markup($field, 'items');
         $id2      = $field . '.id + "_edit2"';
         $id3      = $field . '.id + "_edit3"';
 
         // Item types.
-        $item_types = apply_filters( 'wpinv_item_types_for_quick_add_item', wpinv_get_item_types(), $post );
+        $item_types = apply_filters('wpinv_item_types_for_quick_add_item', wpinv_get_item_types(), $post);
 
         ?>
         <div <?php echo $restrict; ?>>
             <div v-if="!is_default">
                 <label class='form-group'>
                     <input v-model='<?php echo $field; ?>.hide_cart' type='checkbox' />
-                    <span class='form-check-label'><?php _e( 'Hide cart details', 'invoicing' ); ?></span>
+                    <span class='form-check-label'><?php _e('Hide cart details', 'invoicing'); ?></span>
                 </label>
 
-                <div class="mb-1"><?php _e( 'Form Items', 'invoicing' ); ?></div>
+                <div class="mb-1"><?php _e('Form Items', 'invoicing'); ?></div>
                 <draggable v-model='form_items' group='selectable_form_items'>
                     <div class='wpinv-available-items-editor' v-for='(item, index) in form_items' :class="'item_' + item.id" :key="item.id">
 
@@ -1295,35 +1295,35 @@ 
 
                                 <div class="form-group" v-if="! item.new">
                                     <span class='form-text'>
-                                        <a target="_blank" :href="'<?php echo esc_url( admin_url( '/post.php?action=edit&post' ) ) ?>=' + item.id">
-                                            <?php _e( 'Edit the item name, price and other details', 'invoicing' ); ?>
+                                        <a target="_blank" :href="'<?php echo esc_url(admin_url('/post.php?action=edit&post')) ?>=' + item.id">
+                                            <?php _e('Edit the item name, price and other details', 'invoicing'); ?>
                                         </a>
                                     </span>
                                 </div>
 
                                 <div class='form-group' v-if="item.new">
                                     <label class='mb-0 w-100'>
-                                        <span><?php _e( 'Item Name', 'invoicing' ); ?></span>
+                                        <span><?php _e('Item Name', 'invoicing'); ?></span>
                                         <input v-model='item.title' type='text' class='w-100'/>
                                     </label>
                                 </div>
 
                                 <div class='form-group'  v-if="item.new">
                                     <label class='mb-0 w-100'>
-                                        <span v-if='!item.custom_price'><?php _e( 'Item Price', 'invoicing' ); ?></span>
-                                        <span v-if='item.custom_price'><?php _e( 'Recommended Price', 'invoicing' ); ?></span>
+                                        <span v-if='!item.custom_price'><?php _e('Item Price', 'invoicing'); ?></span>
+                                        <span v-if='item.custom_price'><?php _e('Recommended Price', 'invoicing'); ?></span>
                                         <input v-model='item.price' type='text' class='w-100'/>
                                     </label>
                                 </div>
 
                                 <div class='form-group' v-if='item.new'>
                                     <label :for="'edit_item_type' + item.id" class='mb-0 w-100'>
-                                        <span><?php _e( 'Item Type', 'invoicing' ); ?></span>
+                                        <span><?php _e('Item Type', 'invoicing'); ?></span>
                                         <select class='w-100' v-model='item.type'>
                                             <?php
-                                                foreach ( $item_types as $type => $_label ) {
-                                                    $type  = esc_attr( $type );
-                                                    $_label = esc_html( $_label );
+                                                foreach ($item_types as $type => $_label) {
+                                                    $type = esc_attr($type);
+                                                    $_label = esc_html($_label);
                                                     echo "<option value='$type'>$_label</type>";
                                                 }
                                             ?>
@@ -1332,71 +1332,71 @@ 
                                 </div>
 
                                 <div v-if='item.new'>
-                                    <?php if ( $wpinv_euvat->allow_vat_rules() ) : ?>
+                                    <?php if ($wpinv_euvat->allow_vat_rules()) : ?>
                                         <div class='form-group'>
-                                            <label class='w-100 mb-0'><?php _e( 'VAT Rule', 'invoicing' ) ; ?>
+                                            <label class='w-100 mb-0'><?php _e('VAT Rule', 'invoicing'); ?>
                                                 <select class='w-100' v-model='item.rule'>
                                                     <?php
-                                                        foreach ( $wpinv_euvat->get_rules() as $type => $_label ) {
-                                                            $type  = esc_attr( $type );
-                                                            $_label = esc_html( $_label );
+                                                        foreach ($wpinv_euvat->get_rules() as $type => $_label) {
+                                                            $type = esc_attr($type);
+                                                            $_label = esc_html($_label);
                                                             echo "<option value='$type'>$_label</type>";
                                                         }
                                                     ?>
                                                 </select>
                                             </label>
                                         </div>
-                                    <?php endif;?>
+                                    <?php endif; ?>
 
-                                    <?php if ( $wpinv_euvat->allow_vat_classes() ) : ?>
+                                    <?php if ($wpinv_euvat->allow_vat_classes()) : ?>
                                         <div class='form-group'>
-                                            <label class='w-100 mb-0'><?php _e( 'VAT class', 'invoicing' ) ; ?>
+                                            <label class='w-100 mb-0'><?php _e('VAT class', 'invoicing'); ?>
                                                 <select class='w-100' v-model='item.class'>
                                                     <?php
-                                                        foreach ( $wpinv_euvat->get_all_classes() as $type => $_label ) {
-                                                            $type  = esc_attr( $type );
-                                                            $_label = esc_html( $_label );
+                                                        foreach ($wpinv_euvat->get_all_classes() as $type => $_label) {
+                                                            $type = esc_attr($type);
+                                                            $_label = esc_html($_label);
                                                             echo "<option value='$type'>$_label</type>"; 
                                                         }
                                                     ?>
                                                 </select>
                                             </label>
                                         </div>
-                                    <?php endif;?>
+                                    <?php endif; ?>
                                                         
                                 </div>
 
                                 <label v-if='item.new' class='form-group'>
                                     <input v-model='item.custom_price' type='checkbox' />
-                                    <span class='form-check-label'><?php _e( 'Allow users to pay what they want', 'invoicing' ); ?></span>
+                                    <span class='form-check-label'><?php _e('Allow users to pay what they want', 'invoicing'); ?></span>
                                 </label>
 
                                 <div class='form-group' v-if='item.new && item.custom_price'>
                                     <label class='mb-0 w-100'>
-                                        <span><?php _e( 'Minimum Price', 'invoicing' ); ?></span>
+                                        <span><?php _e('Minimum Price', 'invoicing'); ?></span>
                                         <input placeholder='0.00' v-model='item.minimum_price' class='w-100' />
-                                        <small class='form-text text-muted'><?php _e( 'Enter the minimum price that a user can pay', 'invoicing' ); ?></small>
+                                        <small class='form-text text-muted'><?php _e('Enter the minimum price that a user can pay', 'invoicing'); ?></small>
                                     </label>
                                 </div>
 
                                 <label class='form-group'>
                                     <input v-model='item.allow_quantities' type='checkbox' />
-                                    <span><?php _e( 'Allow users to buy several quantities', 'invoicing' ); ?></span>
+                                    <span><?php _e('Allow users to buy several quantities', 'invoicing'); ?></span>
                                 </label>
 
                                 <label class='form-group'>
                                     <input v-model='item.required' type='checkbox' />
-                                    <span><?php _e( 'This item is required', 'invoicing' ); ?></span>
+                                    <span><?php _e('This item is required', 'invoicing'); ?></span>
                                 </label>
 
                                 <div class='form-group'>
                                     <label class="mb-0 w-100">
-                                        <span><?php _e( 'Item Description', 'invoicing' ); ?></span>
+                                        <span><?php _e('Item Description', 'invoicing'); ?></span>
                                         <textarea v-model='item.description' class='w-100'></textarea>
                                     </label>
                                 </div>
 
-                                    <button type='button' class='button button-link button-link-delete' @click.prevent='removeItem(item)'><?php _e( 'Delete Item', 'invoicing' ); ?></button>
+                                    <button type='button' class='button button-link button-link-delete' @click.prevent='removeItem(item)'><?php _e('Delete Item', 'invoicing'); ?></button>
 
                                 </div>
                             </div>
@@ -1404,36 +1404,36 @@ 
                         </div>
                 </draggable>
 
-                <small v-if='! form_items.length' class='form-text text-danger'><?php _e( 'You have not set up any items. Please select an item below or create a new item.', 'invoicing' ); ?></small>
+                <small v-if='! form_items.length' class='form-text text-danger'><?php _e('You have not set up any items. Please select an item below or create a new item.', 'invoicing'); ?></small>
 
                 <div class='form-group mt-2'>
 
                     <select class='w-100' style="padding: 6px 24px 6px 8px; border-color: #e0e0e0;" v-model='selected_item' @change='addSelectedItem'>
-                        <option value=''><?php _e( 'Select an item to add...', 'invoicing' ) ?></option>
+                        <option value=''><?php _e('Select an item to add...', 'invoicing') ?></option>
                         <option v-for='(item, index) in all_items' :value='index'>{{item.title}}</option>
                     </select>
 
                 </div>
 
                 <div class='form-group'>
-                    <button @click.prevent='addNewItem' class="button button-link"><?php _e( 'Or create a new item.', 'invoicing' ) ?></button>
+                    <button @click.prevent='addNewItem' class="button button-link"><?php _e('Or create a new item.', 'invoicing') ?></button>
                 </div>
 
                 <div class='form-group mt-5'>
-                    <label :for='<?php echo $id2; ?>'><?php _e( 'Let customers...', 'invoicing' ) ?></label>
+                    <label :for='<?php echo $id2; ?>'><?php _e('Let customers...', 'invoicing') ?></label>
 
                     <select class='w-100' style="padding: 6px 24px 6px 8px; border-color: #e0e0e0;" :id='<?php echo $id2; ?>' v-model='<?php echo $field; ?>.items_type'>
-                        <option value='total' :disabled='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)'><?php _e( 'Buy all items on the list', 'invoicing' ); ?></option>
-                        <option value='radio'><?php _e( 'Select a single item from the list', 'invoicing' ); ?></option>
-                        <option value='checkbox' :disabled='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)'><?php _e( 'Select one or more items on the list', 'invoicing' ) ;?></option>
-                        <option value='select'><?php _e( 'Select a single item from a dropdown', 'invoicing' ); ?></option>
+                        <option value='total' :disabled='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)'><?php _e('Buy all items on the list', 'invoicing'); ?></option>
+                        <option value='radio'><?php _e('Select a single item from the list', 'invoicing'); ?></option>
+                        <option value='checkbox' :disabled='canCheckoutSeveralSubscriptions(<?php echo $field; ?>)'><?php _e('Select one or more items on the list', 'invoicing'); ?></option>
+                        <option value='select'><?php _e('Select a single item from a dropdown', 'invoicing'); ?></option>
                     </select>
 
                 </div>
             </div>
             <div class='form-group'>
-                <label :for='<?php echo $id3; ?>'><?php _e( 'Help Text', 'invoicing' ); ?></label>
-                <textarea placeholder='<?php esc_attr_e( 'Add some help text for this element', 'invoicing' ); ?>' :id='<?php echo $id3; ?>' v-model='<?php echo $field; ?>.description' class='form-control' rows='3'></textarea>
+                <label :for='<?php echo $id3; ?>'><?php _e('Help Text', 'invoicing'); ?></label>
+                <textarea placeholder='<?php esc_attr_e('Add some help text for this element', 'invoicing'); ?>' :id='<?php echo $id3; ?>' v-model='<?php echo $field; ?>.description' class='form-control' rows='3'></textarea>
             </div>
 
         </div>
@@ -1452,7 +1452,7 @@ 
             'orderby'        => 'title',
             'order'          => 'ASC',
             'posts_per_page' => -1,
-            'post_status'    => array( 'publish' ),
+            'post_status'    => array('publish'),
             'meta_query'     => array(
                 array(
                     'key'       => '_wpinv_type',
@@ -1462,15 +1462,15 @@ 
             )
         );
 
-        $items = get_posts( apply_filters( 'getpaid_payment_form_item_dropdown_query_args', $item_args ) );
+        $items = get_posts(apply_filters('getpaid_payment_form_item_dropdown_query_args', $item_args));
 
-        if ( empty( $items ) ) {
+        if (empty($items)) {
             return array();
         }
 
-        $options    = array();
-        foreach ( $items as $item ) {
-            $item      = new GetPaid_Form_Item( $item );
+        $options = array();
+        foreach ($items as $item) {
+            $item      = new GetPaid_Form_Item($item);
             $options[] = $item->prepare_data_for_use();
         }
         return $options;
@@ -1480,39 +1480,39 @@ 
     /**
      * Returns an array of items for the currently being edited form.
      */
-    public function get_form_items( $id = false ) {
-        $form = new GetPaid_Payment_Form( $id );
+    public function get_form_items($id = false) {
+        $form = new GetPaid_Payment_Form($id);
 
         // Is this a default form?
-        if ( $form->is_default() ) {
+        if ($form->is_default()) {
             return array();
         }
 
-        return $form->get_items( 'view', 'arrays' );
+        return $form->get_items('view', 'arrays');
     }
 
     /**
      * Converts form items for use.
      */
-    public function convert_checkout_items( $items, $invoice ) {
+    public function convert_checkout_items($items, $invoice) {
 
         $converted = array();
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 
             $item_id = $item['id'];
-            $_item   = new WPInv_Item( $item_id );
+            $_item   = new WPInv_Item($item_id);
 
-            if( ! $_item ) {
+            if (!$_item) {
                 continue;
             }
 
             $converted[] = array(
-                'title'            => esc_html( wpinv_get_cart_item_name( $item ) ) . wpinv_get_item_suffix( $_item ),
+                'title'            => esc_html(wpinv_get_cart_item_name($item)) . wpinv_get_item_suffix($_item),
                 'id'               => $item['id'],
                 'price'            => $item['subtotal'],
                 'custom_price'     => $_item->get_is_dynamic_pricing(),
                 'recurring'        => $_item->is_recurring(),
-                'description'      => apply_filters( 'wpinv_checkout_cart_line_item_summary', '', $item, $_item, $invoice ),
+                'description'      => apply_filters('wpinv_checkout_cart_line_item_summary', '', $item, $_item, $invoice),
                 'minimum_price'    => $_item->get_minimum_price(),
                 'allow_quantities' => false,
                 'quantity'         => $item['quantity'],
@@ -1526,27 +1526,27 @@ 
     /**
      * Converts an array of id => quantity for use.
      */
-    public function convert_normal_items( $items ) {
+    public function convert_normal_items($items) {
 
         $converted = array();
-        foreach ( $items as $item_id => $quantity ) {
+        foreach ($items as $item_id => $quantity) {
 
-            $item   = new WPInv_Item( $item_id );
+            $item = new WPInv_Item($item_id);
 
-            if( ! $item ) {
+            if (!$item) {
                 continue;
             }
 
             $converted[] = array(
-                'title'            => esc_html( $item->get_name() ) . wpinv_get_item_suffix( $item ),
+                'title'            => esc_html($item->get_name()) . wpinv_get_item_suffix($item),
                 'id'               => $item_id,
                 'price'            => $item->get_price(),
                 'custom_price'     => $item->get_is_dynamic_pricing(),
                 'recurring'        => $item->is_recurring(),
                 'description'      => $item->get_summary(),
                 'minimum_price'    => $item->get_minimum_price(),
-                'allow_quantities' => ! empty( $quantity ),
-                'quantity'         => empty( $quantity ) ? 1 : $quantity,
+                'allow_quantities' => !empty($quantity),
+                'quantity'         => empty($quantity) ? 1 : $quantity,
                 'required'         => true,
             );
 
@@ -1559,19 +1559,19 @@ 
     /**
      * Returns an array of elements for the currently being edited form.
      */
-    public function get_form_elements( $id = false ) {
+    public function get_form_elements($id = false) {
 
-        if ( empty( $id ) ) {
-            return wpinv_get_data( 'sample-payment-form' );
+        if (empty($id)) {
+            return wpinv_get_data('sample-payment-form');
         }
         
-        $form_elements = get_post_meta( $id, 'wpinv_form_elements', true );
+        $form_elements = get_post_meta($id, 'wpinv_form_elements', true);
 
-        if ( is_array( $form_elements ) ) {
+        if (is_array($form_elements)) {
             return $form_elements;
         }
 
-        return wpinv_get_data( 'sample-payment-form' );
+        return wpinv_get_data('sample-payment-form');
     }
 
 }