AyeCode / invoicing

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

Spacing +372 added lines, -372 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -13,19 +13,19 @@ 
 
     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);
             }
 
-            if ( method_exists( $this, "frontend_render_{$element}_template" ) ) {
-                add_action( "wpinv_frontend_render_payment_form_$element", array( $this, "frontend_render_{$element}_template" ), 10, 3 );
+            if (method_exists($this, "frontend_render_{$element}_template")) {
+                add_action("wpinv_frontend_render_payment_form_$element", array($this, "frontend_render_{$element}_template"), 10, 3);
             }
 
         }
@@ -37,7 +37,7 @@ 
      */
     public function get_elements() {
 
-        if ( ! empty( $this->elements ) ) {
+        if (!empty($this->elements)) {
             return $this->elements;
         }
 
@@ -45,28 +45,28 @@ 
 
             array(
                 'type'     => 'heading',
-                'name'     => __( 'Heading', 'invoicing' ),
+                'name'     => __('Heading', 'invoicing'),
                 'defaults' => array(
                     'level' => 'h2',
-                    'text'  => __( 'Heading', 'invoicing' ),
+                    'text'  => __('Heading', 'invoicing'),
                 )
             ),
 
             array(
                 'type' => 'paragraph',
-                'name' => __( 'Paragraph', 'invoicing' ),
+                'name' => __('Paragraph', 'invoicing'),
                 'defaults'  => array(
-                    'text'  => __( 'Paragraph text', 'invoicing' ),
+                    'text'  => __('Paragraph text', 'invoicing'),
                 )
             ),
 
             array( 
                 'type' => 'alert',
-                'name' => __( 'Alert', 'invoicing' ),
+                'name' => __('Alert', 'invoicing'),
                 'defaults'  => array(
                     'value'        => '',
                     'class'        => 'alert-warning',
-                    'text'         => __( 'Alert', 'invoicing' ),
+                    'text'         => __('Alert', 'invoicing'),
                     'dismissible'  => false,
                 )
             ),
@@ -82,11 +82,11 @@ 
 
             array(
                 'type' => 'text',
-                'name' => __( 'Text Input', 'invoicing' ),
+                'name' => __('Text Input', 'invoicing'),
                 'defaults'  => array(
-                    'placeholder'  => __( 'Enter some text', 'invoicing' ),
+                    'placeholder'  => __('Enter some text', 'invoicing'),
                     'value'        => '',
-                    'label'        => __( 'Field Label', 'invoicing' ),
+                    'label'        => __('Field Label', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -94,11 +94,11 @@ 
 
             array(
                 'type' => 'textarea',
-                'name' => __( 'Textarea', 'invoicing' ),
+                'name' => __('Textarea', 'invoicing'),
                 'defaults'         => array(
-                    'placeholder'  => __( 'Enter your text hear', 'invoicing' ),
+                    'placeholder'  => __('Enter your text hear', 'invoicing'),
                     'value'        => '',
-                    'label'        => __( 'Textarea Label', 'invoicing' ),
+                    'label'        => __('Textarea Label', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -106,27 +106,27 @@ 
 
             array(
                 'type' => 'select',
-                'name' => __( 'Dropdown', 'invoicing' ),
+                'name' => __('Dropdown', 'invoicing'),
                 'defaults'         => array(
-                    'placeholder'  => __( 'Select a value', 'invoicing' ),
+                    'placeholder'  => __('Select a value', 'invoicing'),
                     'value'        => '',
-                    'label'        => __( 'Dropdown Label', 'invoicing' ),
+                    'label'        => __('Dropdown Label', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                     'options'      => array(
-                        esc_attr__( 'Option One', 'invoicing' ),
-                        esc_attr__( 'Option Two', 'invoicing' ),
-                        esc_attr__( 'Option Three', 'invoicing' )
+                        esc_attr__('Option One', 'invoicing'),
+                        esc_attr__('Option Two', 'invoicing'),
+                        esc_attr__('Option Three', 'invoicing')
                     ),
                 )
             ),
 
             array(
                 'type' => 'checkbox',
-                'name' => __( 'Checkbox', 'invoicing' ),
+                'name' => __('Checkbox', 'invoicing'),
                 'defaults'         => array(
                     'value'        => '',
-                    'label'        => __( 'Checkbox Label', 'invoicing' ),
+                    'label'        => __('Checkbox Label', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -134,24 +134,24 @@ 
 
             array( 
                 'type' => 'radio',
-                'name' => __( 'Multiple Choice', 'invoicing' ),
+                'name' => __('Multiple Choice', 'invoicing'),
                 'defaults'     => array(
-                    'label'    => __( 'Select one choice', 'invoicing' ),
+                    'label'    => __('Select one choice', 'invoicing'),
                     'options'  => array(
-                        esc_attr__( 'Choice One', 'invoicing' ),
-                        esc_attr__( 'Choice Two', 'invoicing' ),
-                        esc_attr__( 'Choice Three', 'invoicing' )
+                        esc_attr__('Choice One', 'invoicing'),
+                        esc_attr__('Choice Two', 'invoicing'),
+                        esc_attr__('Choice Three', 'invoicing')
                     ),
                 )
             ),
 
             array( 
                 'type' => 'date',
-                'name' => __( 'Date', 'invoicing' ),
+                'name' => __('Date', 'invoicing'),
                 'defaults' => array(
                     'placeholder'  => '',
                     'value'        => '',
-                    'label'        => __( 'Date', 'invoicing' ),
+                    'label'        => __('Date', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -159,11 +159,11 @@ 
 
             array( 
                 'type' => 'time',
-                'name' => __( 'Time', 'invoicing' ),
+                'name' => __('Time', 'invoicing'),
                 'defaults' => array(
                     'placeholder'  => '',
                     'value'        => '',
-                    'label'        => __( 'Time', 'invoicing' ),
+                    'label'        => __('Time', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -171,11 +171,11 @@ 
 
             array( 
                 'type' => 'number',
-                'name' => __( 'Number', 'invoicing' ),
+                'name' => __('Number', 'invoicing'),
                 'defaults' => array(
                     'placeholder'  => '',
                     'value'        => '',
-                    'label'        => __( 'Number', 'invoicing' ),
+                    'label'        => __('Number', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -183,11 +183,11 @@ 
 
             array( 
                 'type' => 'website',
-                'name' => __( 'Website', 'invoicing' ),
+                'name' => __('Website', 'invoicing'),
                 'defaults' => array(
                     'placeholder'  => 'http://example.com',
                     'value'        => '',
-                    'label'        => __( 'Website', 'invoicing' ),
+                    'label'        => __('Website', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -195,11 +195,11 @@ 
 
             array( 
                 'type' => 'email',
-                'name' => __( 'Email', 'invoicing' ),
+                'name' => __('Email', 'invoicing'),
                 'defaults'  => array(
                     'placeholder'  => 'jon@snow.com',
                     'value'        => '',
-                    'label'        => __( 'Email Address', 'invoicing' ),
+                    'label'        => __('Email Address', 'invoicing'),
                     'description'  => '',
                     'required'     => false,
                 )
@@ -207,11 +207,11 @@ 
 
             array( 
                 'type' => 'billing_email',
-                'name' => __( 'Billing Email', 'invoicing' ),
+                'name' => __('Billing Email', 'invoicing'),
                 'defaults'  => array(
                     'placeholder'  => 'jon@snow.com',
                     'value'        => '',
-                    'label'        => __( 'Billing Email', 'invoicing' ),
+                    'label'        => __('Billing Email', 'invoicing'),
                     'description'  => '',
                     'premade'      => true,
                 )
@@ -219,18 +219,18 @@ 
 
             array( 
                 'type' => 'discount',
-                'name' => __( 'Discount Input', 'invoicing' ),
+                'name' => __('Discount Input', 'invoicing'),
                 'defaults'  => array(
                     'value'        => '',
-                    'input_label'  => __( 'Coupon Code', 'invoicing' ),
-                    'button_label' => __( 'Apply Coupon', 'invoicing' ),
-                    'description'  => __( 'Have a discount code? Enter it above.', 'invoicing' ),
+                    'input_label'  => __('Coupon Code', 'invoicing'),
+                    'button_label' => __('Apply Coupon', 'invoicing'),
+                    'description'  => __('Have a discount code? Enter it above.', 'invoicing'),
                 )
             ),
 
             array( 
                 'type' => 'items',
-                'name' => __( 'Items', 'invoicing' ),
+                'name' => __('Items', 'invoicing'),
                 'defaults'  => array(
                     'value'        => '',
                     'items_type'   => 'total',
@@ -241,25 +241,25 @@ 
 
             array( 
                 'type'       => 'pay_button',
-                'name'       => __( 'Payment Button', 'invoicing' ),
+                'name'       => __('Payment Button', 'invoicing'),
                 'defaults'   => array(
                     'value'        => '',
                     'class'        => 'btn-primary',
-                    'label'        => __( 'Pay Now »', 'invoicing' ),
-                    'description'  => __( 'By continuing with our payment, you are agreeing to our privacy policy and terms of service.', 'invoicing' ),
+                    'label'        => __('Pay Now »', 'invoicing'),
+                    'description'  => __('By continuing with our payment, you are agreeing to our privacy policy and terms of service.', 'invoicing'),
                     'premade'      => true,
                 )
             )
         );
 
-        $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\"";
     }
@@ -267,15 +267,15 @@ 
     /**
      * 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 title element on the frontend.
      */
-    public function frontend_render_heading_template( $field ) {
+    public function frontend_render_heading_template($field) {
         $tag = $field['level'];
         echo "<$tag>{$field['text']}</$tag>";
     }
@@ -283,10 +283,10 @@ 
     /**
      * 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"';
 
@@ -318,8 +318,8 @@ 
     /**
      * 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>";
     }
@@ -327,16 +327,16 @@ 
     /**
      * Renders the paragraph element on the frontend.
      */
-    public function frontend_render_paragraph_template( $field ) {
+    public function frontend_render_paragraph_template($field) {
         echo "<p>{$field['text']}</p>";
     }
 
     /**
      * 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>
@@ -352,8 +352,8 @@ 
     /**
      * 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>
@@ -367,23 +367,23 @@ 
     /**
      * Renders the text element on the frontend.
      */
-    public function frontend_render_text_template( $field ) {
+    public function frontend_render_text_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
-                'placeholder'=> esc_attr( $field['placeholder'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
+                'placeholder'=> esc_attr($field['placeholder']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -394,16 +394,16 @@ 
     /**
      * 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>
@@ -431,8 +431,8 @@ 
     /**
      * 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>
@@ -446,24 +446,24 @@ 
     /**
      * Renders the textarea element on the frontend.
      */
-    public function frontend_render_textarea_template( $field ) {
+    public function frontend_render_textarea_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->textarea(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
-                'placeholder'=> esc_attr( $field['placeholder'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
+                'placeholder'=> esc_attr($field['placeholder']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
                 'rows'       => 3,
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -474,16 +474,16 @@ 
     /**
      * 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>
@@ -511,8 +511,8 @@ 
     /**
      * 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';
@@ -531,24 +531,24 @@ 
     /**
      * Renders the select element on the frontend.
      */
-    public function frontend_render_select_template( $field ) {
+    public function frontend_render_select_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->select(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
-                'placeholder'=> esc_attr( $field['placeholder'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
+                'placeholder'=> esc_attr($field['placeholder']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
                 'options'    => $field['options'],
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -559,18 +559,18 @@ 
     /**
      * 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'>
@@ -608,8 +608,8 @@ 
     /**
      * 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');
         $label    = "$field.label";
         echo "
             <div class='form-check' $restrict>
@@ -623,23 +623,23 @@ 
     /**
      * Renders the checkbox element on the frontend.
      */
-    public function frontend_render_checkbox_template( $field ) {
+    public function frontend_render_checkbox_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
                 'type'       => 'checkbox',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -650,14 +650,14 @@ 
     /**
      * 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>
@@ -681,8 +681,8 @@ 
     /**
      * 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 "
@@ -700,19 +700,19 @@ 
     /**
      * Renders the radio element on the frontend.
      */
-    public function frontend_render_radio_template( $field ) {
+    public function frontend_render_radio_template($field) {
         
         echo "<div class='form-group'>";
 
-        if ( ! empty( $field['label'] ) ) {
-            $label = wp_kses_post( $field['label'] );
+        if (!empty($field['label'])) {
+            $label = wp_kses_post($field['label']);
             echo "<legend class='col-form-label'>$label</legend>";
         }
 
-        foreach( $field['options'] as $index => $option ) {
+        foreach ($field['options'] as $index => $option) {
             $id    = $field['id'] . $index;
-            $value = esc_attr( $option );
-            $label = wp_kses_post( $option );
+            $value = esc_attr($option);
+            $label = wp_kses_post($option);
 
             echo "
                 <div class='form-check'>
@@ -722,8 +722,8 @@ 
             ";
         }
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -734,16 +734,16 @@ 
     /**
      * 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'>
@@ -777,8 +777,8 @@ 
     /**
      * 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>
@@ -792,8 +792,8 @@ 
     /**
      * 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>
@@ -807,24 +807,24 @@ 
     /**
      * Renders the email element on the frontend.
      */
-    public function frontend_render_email_template( $field ) {
+    public function frontend_render_email_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'placeholder' => esc_attr($field['placeholder']),
                 'type'       => 'email',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -835,24 +835,24 @@ 
     /**
      * Renders the billing email element on the frontend.
      */
-    public function frontend_render_billing_email_template( $field ) {
+    public function frontend_render_billing_email_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
                 'name'       => 'billing_email',
-                'id'         => esc_attr( $field['id'] ),
+                'id'         => esc_attr($field['id']),
                 'required'   => true,
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'placeholder' => esc_attr($field['placeholder']),
                 'type'       => 'email',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -863,16 +863,16 @@ 
     /**
      * 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>
@@ -900,16 +900,16 @@ 
     /**
      * 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>
@@ -933,8 +933,8 @@ 
     /**
      * 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>
@@ -948,24 +948,24 @@ 
     /**
      * Renders the website element on the frontend.
      */
-    public function frontend_render_website_template( $field ) {
+    public function frontend_render_website_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'placeholder' => esc_attr($field['placeholder']),
                 'type'       => 'url',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -976,16 +976,16 @@ 
     /**
      * 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>
@@ -1013,8 +1013,8 @@ 
     /**
      * 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>
@@ -1028,24 +1028,24 @@ 
     /**
      * Renders the date element on the frontend.
      */
-    public function frontend_render_date_template( $field ) {
+    public function frontend_render_date_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'label'      => wp_kses_post($field['label']),
+                'placeholder' => esc_attr($field['placeholder']),
                 'no_wrap'    => true,
                 'type'       => 'date',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -1056,16 +1056,16 @@ 
     /**
      * 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"';
-        $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>
@@ -1093,8 +1093,8 @@ 
     /**
      * 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>
@@ -1108,24 +1108,24 @@ 
     /**
      * Renders the time element on the frontend.
      */
-    public function frontend_render_time_template( $field ) {
+    public function frontend_render_time_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
+                'label'      => wp_kses_post($field['label']),
                 'no_wrap'    => true,
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'placeholder' => esc_attr($field['placeholder']),
                 'type'       => 'time',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -1136,16 +1136,16 @@ 
     /**
      * 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"';
-        $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>
@@ -1173,8 +1173,8 @@ 
     /**
      * 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>
@@ -1188,24 +1188,24 @@ 
     /**
      * Renders the number element on the frontend.
      */
-    public function frontend_render_number_template( $field ) {
+    public function frontend_render_number_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->input(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
                 'required'   => (bool) $field['required'],
-                'label'      => wp_kses_post( $field['label'] ),
-                'placeholder' => esc_attr( $field['placeholder'] ),
+                'label'      => wp_kses_post($field['label']),
+                'placeholder' => esc_attr($field['placeholder']),
                 'no_wrap'    => true,
                 'type'       => 'number',
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -1216,16 +1216,16 @@ 
     /**
      * 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>
@@ -1253,23 +1253,23 @@ 
     /**
      * 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 mt-0 mb-2' $restrict>";
     }
 
     /**
      * Renders the separator element on the frontend.
      */
-    public function frontend_render_separator_template( $field ) {
+    public function frontend_render_separator_template($field) {
         echo '<hr class="featurette-divider mt-0 mb-2" />';
     }
 
     /**
      * 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>
@@ -1282,24 +1282,24 @@ 
     /**
      * Renders the pay_button element on the frontend.
      */
-    public function frontend_render_pay_button_template( $field ) {
+    public function frontend_render_pay_button_template($field) {
         
         echo "<div class='form-group'>";
 
-        $class = 'btn btn-block submit-button ' . sanitize_html_class( $field['class'] );
+        $class = 'btn btn-block submit-button ' . sanitize_html_class($field['class']);
         echo aui()->button(
             array(
-                'name'       => esc_attr( $field['id'] ),
-                'id'         => esc_attr( $field['id'] ),
-                'content'    => wp_kses_post( $field['label'] ),
+                'name'       => esc_attr($field['id']),
+                'id'         => esc_attr($field['id']),
+                'content'    => wp_kses_post($field['label']),
                 'no_wrap'    => true,
                 'type'       => 'button',
                 'class'      => $class,
             )
         );
 
-        if ( ! empty( $field['description'] ) ) {
-            $description = wp_kses_post( $field['description'] );
+        if (!empty($field['description'])) {
+            $description = wp_kses_post($field['description']);
             echo "<small class='form-text text-muted'>$description</small>";
         }
 
@@ -1310,14 +1310,14 @@ 
     /**
      * 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 "
             <div $restrict>
@@ -1333,15 +1333,15 @@ 
                     <label :for='$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>
@@ -1352,8 +1352,8 @@ 
     /**
      * 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'>
@@ -1368,15 +1368,15 @@ 
     /**
      * Renders the alert element on the frontend.
      */
-    public function frontend_render_alert_template( $field ) {
+    public function frontend_render_alert_template($field) {
         
         echo "<div class='form-group'>";
 
         echo aui()->alert(
             array(
-                'content'     => wp_kses_post( $field['text'] ),
+                'content'     => wp_kses_post($field['text']),
                 'dismissible' => $field['dismissible'],
-                'type'        => str_replace( 'alert-', '', $field['class'] ),
+                'type'        => str_replace('alert-', '', $field['class']),
             )
         );
 
@@ -1387,14 +1387,14 @@ 
     /**
      * 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 $restrict>
@@ -1410,14 +1410,14 @@ 
                     <label :for='$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>
@@ -1428,8 +1428,8 @@ 
     /**
      * 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">
@@ -1446,13 +1446,13 @@ 
     /**
      * Renders the discount element on the frontend.
      */
-    public function frontend_render_discount_template( $field ) {
+    public function frontend_render_discount_template($field) {
         
-        $placeholder = esc_attr( $field['input_label'] );
-        $label       = sanitize_text_field( $field['button_label'] );
+        $placeholder = esc_attr($field['input_label']);
+        $label       = sanitize_text_field($field['button_label']);
         $description = '';
 
-        if ( ! empty( $field['description'] ) ) {
+        if (!empty($field['description'])) {
             $description = "<small class='form-text text-muted'>{$field['description']}</small>";
         }
 ?>
@@ -1473,12 +1473,12 @@ 
     /**
      * 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"';
@@ -1507,8 +1507,8 @@ 
     /**
      * 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');
         echo "
             <div $restrict class='item_totals'>
 
@@ -1553,7 +1553,7 @@ 
                 <div v-if='$field.items_type == \"select\"'>
 
                     <select class='form-control custom-select'>
-                        <option value='' disabled selected='selected'>"        . __( 'Select an option', 'invoicing' ) ."</option>
+                        <option value='' disabled selected='selected'>" . __('Select an option', 'invoicing') . "</option>
                         <option v-for='(item, index) in form_items' :value='index'>{{item.title}} &nbsp;{{formatPrice(item.price)}}</option>
                     </select>
                 </div>
@@ -1574,66 +1574,66 @@ 
     /**
      * Renders the items element on the frontend.
      */
-    public function frontend_render_items_template( $field, $items ) {
+    public function frontend_render_items_template($field, $items) {
         
         echo "<div class='form-group item_totals'>";
         
-        $id = esc_attr( $field['id'] );
-        if ( 'total' == $field[ 'items_type' ] ) {
+        $id = esc_attr($field['id']);
+        if ('total' == $field['items_type']) {
             $total = 0;
 
             ?>
             <div class="border item_totals_type_total">
 
                 <?php
-                    foreach( $items as $item ) {
-                        $total = $total + floatval( $item['price'] );
+                    foreach ($items as $item) {
+                        $total = $total + floatval($item['price']);
                 ?>
                     <div  class="item_totals_item">
                         <div class='row pl-2 pr-2 pt-2'>
-                            <div class='col-8'><?php echo esc_html( $item['title'] ) ?></div>
-                            <div class='col-4'><?php echo wpinv_price( wpinv_format_amount( $item['price'] ) ) ?></div>
+                            <div class='col-8'><?php echo esc_html($item['title']) ?></div>
+                            <div class='col-4'><?php echo wpinv_price(wpinv_format_amount($item['price'])) ?></div>
                         </div>
-                        <?php if ( ! empty( $item['description'] )) { ?>
-                            <small class='form-text text-muted pl-2 pr-2 m-0'><?php echo wp_kses_post( $item['description'] ); ?></small>
+                        <?php if (!empty($item['description'])) { ?>
+                            <small class='form-text text-muted pl-2 pr-2 m-0'><?php echo wp_kses_post($item['description']); ?></small>
                         <?php } ?>
                     </div>
                 <?php } ?>
 
                 <div class='mt-4 border-top item_totals_total'>
                     <div class='row p-2'>
-                        <div class='col-8'><strong class='mr-5'><?php _e( 'Total', 'invoicing' ); ?></strong></div>
-                        <div class='col-4'><strong><?php echo wpinv_price( wpinv_format_amount( $total ) ) ?></strong></div>
+                        <div class='col-8'><strong class='mr-5'><?php _e('Total', 'invoicing'); ?></strong></div>
+                        <div class='col-4'><strong><?php echo wpinv_price(wpinv_format_amount($total)) ?></strong></div>
                     </div>
                 </div>
 
             </div>
         <?php } ?>
 
-        <?php if ( 'radio' == $field[ 'items_type' ] ) { ?>
+        <?php if ('radio' == $field['items_type']) { ?>
             <div class="item_totals_type_radio">
 
-                <?php foreach( $items as $index => $item ) { ?>
+                <?php foreach ($items as $index => $item) { ?>
                     <div  class="form-check">
                         <input class='form-check-input' type='radio' name='<?php echo $id; ?>' id='<?php echo $id . $index; ?>'>
-                        <label class='form-check-label' for=<?php echo $id . $index; ?>'><?php echo sanitize_text_field( $item['title'] ); ?>&nbsp;<strong><?php echo wpinv_price( wpinv_format_amount( (float) sanitize_text_field(  $item['price'] ) ) ); ?></strong></label>
+                        <label class='form-check-label' for=<?php echo $id . $index; ?>'><?php echo sanitize_text_field($item['title']); ?>&nbsp;<strong><?php echo wpinv_price(wpinv_format_amount((float) sanitize_text_field($item['price']))); ?></strong></label>
                     </div>
-                    <?php if ( ! empty( $item['description'] )) { ?>
-                        <small class='form-text text-muted pl-4 pr-2 m-0'><?php echo wp_kses_post( $item['description'] ); ?></small>
+                    <?php if (!empty($item['description'])) { ?>
+                        <small class='form-text text-muted pl-4 pr-2 m-0'><?php echo wp_kses_post($item['description']); ?></small>
                     <?php } ?>
                 <?php } ?>
 
             </div>
         <?php } ?>
 
-        <?php if ( 'checkbox' == $field[ 'items_type' ] ) { ?>
+        <?php if ('checkbox' == $field['items_type']) { ?>
 
             <div class="item_totals_type_checkbox">
 
                 <?php
-                    foreach ( $items as $index => $item ) {
-                        $title = sanitize_text_field(  $item['title'] );
-                        $price = wpinv_price( wpinv_format_amount( (float) sanitize_text_field(  $item['price'] ) ) );
+                    foreach ($items as $index => $item) {
+                        $title = sanitize_text_field($item['title']);
+                        $price = wpinv_price(wpinv_format_amount((float) sanitize_text_field($item['price'])));
                         echo aui()->input(
                             array(
                                 'name'       => $id,
@@ -1644,7 +1644,7 @@ 
                             )
                         );
 
-                        if ( ! empty( $item['description'] ) ) {
+                        if (!empty($item['description'])) {
                             echo "<small class='form-text text-muted'>{$item['description']}</small>";
                         }
                     }
@@ -1653,7 +1653,7 @@ 
             </div>
         <?php } ?>
 
-        <?php if ( 'select' == $field[ 'items_type' ] ) { ?>
+        <?php if ('select' == $field['items_type']) { ?>
 
             <div class="item_totals_type_select">
 
@@ -1661,17 +1661,17 @@ 
 
                     $options = array();
 
-                    foreach ( $items as $index => $item ) {
-                        $title = sanitize_text_field(  $item['title'] );
-                        $price = wpinv_price( wpinv_format_amount( (float) sanitize_text_field(  $item['price'] ) ) );
-                        $options[ $item['id'] ] = "$title &nbsp; ($price)";
+                    foreach ($items as $index => $item) {
+                        $title = sanitize_text_field($item['title']);
+                        $price = wpinv_price(wpinv_format_amount((float) sanitize_text_field($item['price'])));
+                        $options[$item['id']] = "$title &nbsp; ($price)";
                     }
 
                     echo aui()->select(
                         array(
                                 'name'        => $id,
                                 'id'          => $id,
-                                'placeholder' => __( 'Select an item', 'invoicing' ),
+                                'placeholder' => __('Select an item', 'invoicing'),
                                 'no_wrap'     => true,
                                 'options'     => $options,
                         )
@@ -1681,7 +1681,7 @@ 
             </div>
         <?php } ?>
 
-        <?php if ( 'multi_select' == $field[ 'items_type' ] ) { ?>
+        <?php if ('multi_select' == $field['items_type']) { ?>
 
             <div class="item_totals_type_multi_select">
 
@@ -1689,17 +1689,17 @@ 
 
                     $options = array();
 
-                    foreach ( $items as $index => $item ) {
-                        $title = sanitize_text_field(  $item['title'] );
-                        $price = wpinv_price( wpinv_format_amount( (float) sanitize_text_field(  $item['price'] ) ) );
-                        $options[ $item['id'] ] = "$title &nbsp; ($price)";
+                    foreach ($items as $index => $item) {
+                        $title = sanitize_text_field($item['title']);
+                        $price = wpinv_price(wpinv_format_amount((float) sanitize_text_field($item['price'])));
+                        $options[$item['id']] = "$title &nbsp; ($price)";
                     }
 
                     echo aui()->select(
                         array(
                                 'name'        => $id,
                                 'id'          => $id,
-                                'placeholder' => __( 'Select one or more items', 'invoicing' ),
+                                'placeholder' => __('Select one or more items', 'invoicing'),
                                 'no_wrap'     => true,
                                 'options'     => $options,
                                 'multiple'    => true,
@@ -1717,11 +1717,11 @@ 
     /**
      * Renders the items element template.
      */
-    public function edit_items_template( $field ) {
-        $restrict = $this->get_restrict_markup( $field, 'items' );
-        $label    = __( 'Let customers...', 'invoicing' );
-        $label2   = __( 'Available Items', 'invoicing' );
-        $label3   = esc_attr__( 'Add some help text for this element', 'invoicing' );
+    public function edit_items_template($field) {
+        $restrict = $this->get_restrict_markup($field, 'items');
+        $label    = __('Let customers...', 'invoicing');
+        $label2   = __('Available Items', 'invoicing');
+        $label3   = esc_attr__('Add some help text for this element', 'invoicing');
         $id       = $field . '.id + "_edit"';
         $id2      = $field . '.id + "_edit2"';
         $id3      = $field . '.id + "_edit3"';
@@ -1771,7 +1771,7 @@ 
                 <div class='form-group mt-2'>
 
                     <select class='form-control custom-select' v-model='selected_item'>
-                        <option value=''>"        . __( 'Add an item to the form', 'invoicing' ) ."</option>
+                        <option value=''>" . __('Add an item to the form', 'invoicing') . "</option>
                         <option v-for='(item, index) in all_items' :value='index'>{{item.title}}</option>
                     </select>
 
@@ -1786,11 +1786,11 @@ 
                     <label :for='$id2'>$label</label>
 
                     <select class='form-control custom-select' :id='$id2' v-model='$field.items_type'>
-                        <option value='total'>"        . __( 'Buy all items on the list', 'invoicing' ) ."</option>
-                        <option value='radio'>"        . __( 'Select a single item from the list', 'invoicing' ) ."</option>
-                        <option value='checkbox'>"     . __( 'Select one or more items on the list', 'invoicing' ) ."</option>
-                        <option value='select'>"       . __( 'Select a single item from a dropdown', 'invoicing' ) ."</option>
-                        <option value='multi_select'>" . __( 'Select a one or more items from a dropdown', 'invoicing' ) ."</option>
+                        <option value='total'>" . __('Buy all items on the list', 'invoicing') . "</option>
+                        <option value='radio'>"        . __('Select a single item from the list', 'invoicing') . "</option>
+                        <option value='checkbox'>"     . __('Select one or more items on the list', 'invoicing') . "</option>
+                        <option value='select'>"       . __('Select a single item from a dropdown', 'invoicing') . "</option>
+                        <option value='multi_select'>" . __('Select a one or more items from a dropdown', 'invoicing') . "</option>
                     </select>
 
                 </div>
@@ -1815,24 +1815,24 @@ 
             'orderby'        => 'title',
             'order'          => 'ASC',
             'posts_per_page' => -1,
-            'post_status'    => array( 'publish' ),
+            'post_status'    => array('publish'),
         );
     
-        $items      = get_posts( apply_filters( 'wpinv_item_dropdown_query_args', $item_args ) );
+        $items = get_posts(apply_filters('wpinv_item_dropdown_query_args', $item_args));
 
-        if ( empty( $items ) ) {
+        if (empty($items)) {
             return array();
         }
 
-        $options    = array();
-        foreach ( $items as $item ) {
-            $title       = esc_html( $item->post_title );
-            $title      .= wpinv_get_item_suffix( $item->ID, false );
-            $id          = absint( $item->ID );
-            $price       = wpinv_sanitize_amount( get_post_meta( $id, '_wpinv_price', true ) );
-            $recurring   = (bool) get_post_meta( $id, '_wpinv_is_recurring', true );
+        $options = array();
+        foreach ($items as $item) {
+            $title       = esc_html($item->post_title);
+            $title      .= wpinv_get_item_suffix($item->ID, false);
+            $id          = absint($item->ID);
+            $price       = wpinv_sanitize_amount(get_post_meta($id, '_wpinv_price', true));
+            $recurring   = (bool) get_post_meta($id, '_wpinv_is_recurring', true);
             $description = $item->post_excerpt;
-            $options[] = compact( 'title', 'id', 'price', 'recurring', 'description' );
+            $options[] = compact('title', 'id', 'price', 'recurring', 'description');
 
         }
         return $options;
@@ -1842,38 +1842,38 @@ 
     /**
      * Returns an array of items for the currently being edited form.
      */
-    public function get_form_items( $id = false ) {
+    public function get_form_items($id = false) {
         
-        if ( empty( $id ) ) {
-            return wpinv_get_data( 'sample-payment-form-items' );
+        if (empty($id)) {
+            return wpinv_get_data('sample-payment-form-items');
         }
         
-        $form_elements = get_post_meta( $id, 'wpinv_form_items', true );
+        $form_elements = get_post_meta($id, 'wpinv_form_items', true);
 
-        if ( is_array( $form_elements ) ) {
+        if (is_array($form_elements)) {
             return $form_elements;
         }
 
-        return wpinv_get_data( 'sample-payment-form-items' );
+        return wpinv_get_data('sample-payment-form-items');
 
     }
 
     /**
      * 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');
     }
 
 }