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✏️ Editing: class-redux-select-image.php

<?php
/**
 * Field Select Image
 *
 * @package     Redux Framework/Fields
 * @since       3.1.2
 * @author      Kevin Provance <kprovance>
 * @version     4.0.0
 */

defined( 'ABSPATH' ) || exit;

if ( ! class_exists( 'Redux_Select_Image', false ) ) {

/**
	 * Class Redux_Select_Image
	 */
	class Redux_Select_Image extends Redux_Field {

/**
		 * Set field defaults.
		 */
		public function set_defaults() {
			$defaults = array(
				'options'     => array(),
				'placeholder' => esc_html__( 'Select an item', 'redux-framework' ),
			);

$this->field = wp_parse_args( $this->field, $defaults );
		}

/**
		 * Field Render Function.
		 * Takes the vars and outputs the HTML for the field in the settings
		 *
		 * @since ReduxFramework 1.0.0
		 */
		public function render() {

// If options is NOT empty, the process.
			if ( ! empty( $this->field['options'] ) ) {

// bean counter.
				$x = 1;

// Process width.
				if ( ! empty( $this->field['width'] ) ) {
					$width = ' style="width:' . esc_attr( $this->field['width'] ) . ';"';
				} else {
					$width = ' style="width: 40%;"';
				}

// Process placeholder.
				$placeholder = esc_attr( $this->field['placeholder'] );

$this->select2_config['allowClear'] = true;

if ( isset( $this->field['select2'] ) ) {
					$this->field['select2'] = wp_parse_args( $this->field['select2'], $this->select2_config );
				} else {
					$this->field['select2'] = $this->select2_config;
				}

$this->field['select2'] = Redux_Functions::sanitize_camel_case_array_keys( $this->field['select2'] );

$select2_data = Redux_Functions::create_data_string( $this->field['select2'] );

// Begin the <select> tag.
				echo '<select
						data-id="' . esc_attr( $this->field['id'] ) . '"
						data-placeholder="' . esc_attr( $placeholder ) . '"
						name="' . esc_attr( $this->field['name'] . $this->field['name_suffix'] ) . '"
						class="redux-select-item redux-select-images ' . esc_attr( $this->field['class'] ) . '"' .
						$width . ' rows="6"' . esc_attr( $select2_data ) . '>';  // phpcs:ignore WordPress.Security.EscapeOutput

echo '<option></option>';

// Enum through the options array.
				foreach ( $this->field['options'] as $v ) {

// No array?  No problem!
					if ( ! is_array( $v ) ) {
						$v = array( 'img' => $v );
					}

// No title set?  Make it blank.
					if ( ! isset( $v['title'] ) ) {
						$v['title'] = '';
					}

// No alt?  Set it to title.  We do this so the alt tag shows
					// something.  It also makes HTML/SEO purists happy.
					if ( ! isset( $v['alt'] ) ) {
						$v['alt'] = $v['title'];
					}

// Set the selected entry.
					$selected = selected( $this->value, $v['img'], false );

// If selected returns something other than a blank space, we
					// found our default/saved name.  Save the array number in a
					// variable to use later on when we want to extract its associated
					// url.
					if ( '' !== $selected ) {
						$arr_num = $x;
					}

// Add the option tag, with values.
					echo '<option value="' . esc_url( $v['img'] ) . '" ' . esc_html( $selected ) . '>' . esc_attr( $v['alt'] ) . '</option>';

// Add a bean.
					++$x;
				}

// Close the <select> tag.
				echo '</select>';

// Some space.
				echo '<br /><br />';

// Show the preview image.
				echo '<div>';

// just in case.  You never know.
				if ( ! isset( $arr_num ) ) {
					$this->value = '';
				}

// Set the default image.  To get the url from the default name,
				// we save the array count from the for/each loop, when the default image
				// is mark as selected.  Since the for/each loop starts at one, we must
				// subtract one from the saved array number.  We then pull the url
				// out of the options array, and there we go.
				if ( '' === $this->value ) {
					// phpcs:ignore PluginCheck.CodeAnalysis.ImageFunctions.NonEnqueuedImage -- No image/icon to enqueue.
					echo '<img src="#" class="redux-preview-image" style="visibility:hidden;" id="image_' . esc_attr( $this->field['id'] ) . '">';
				} else {
					// phpcs:ignore PluginCheck.CodeAnalysis.ImageFunctions.NonEnqueuedImage -- No image/icon to enqueue.
					echo '<img src=' . esc_url( $this->value ) . ' class="redux-preview-image" id="image_' . esc_attr( $this->field['id'] ) . '">';
				}

// Close the <div> tag.
				echo '</div>';
			} else {

// No options specified.  Really?
				echo '<strong>' . esc_html__( 'No items of this type were found.', 'redux-framework' ) . '</strong>';
			}
		}

/**
		 * Enqueue Function.
		 * If this field requires any scripts, or css define this function and register/enqueue the scripts/css
		 *
		 * @since ReduxFramework 1.0.0
		 */
		public function enqueue() {
			wp_enqueue_style( 'select2-css' );

wp_enqueue_script(
				'redux-field-select-image',
				Redux_Core::$url . 'inc/fields/select_image/redux-select-image' . Redux_Functions::is_min() . '.js',
				array( 'jquery', 'select2-js', 'redux-js' ),
				$this->timestamp,
				true
			);

if ( $this->parent->args['dev_mode'] ) {
				wp_enqueue_style(
					'redux-field-select-image',
					Redux_Core::$url . 'inc/fields/select_image/redux-select-image.css',
					array(),
					$this->timestamp
				);
			}
		}
	}
}

class_alias( 'Redux_Select_Image', 'ReduxFramework_Select_Image' );

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