[Hustle Pro] - Add alt atribute for feature image

hustle-add-alt-attribute-for-feature-image.php

<?php
/**
 * Plugin Name: [Hustle Pro] - Add alt atribute for feature image
 * Description: [Hustle Pro] - Add alt atribute for feature image - 1147366844511292
 * Author: Thobk @ WPMUDEV
 * Author URI: https://premium.wpmudev.org
 * License: GPLv2 or later
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

add_action( 'plugins_loaded', 'wpmudev_hustle_add_alt_attribute_for_feature_image_func', 100 );

function wpmudev_hustle_add_alt_attribute_for_feature_image_func() {
	if( defined('HUSTLE_SUI_VERSION') && class_exists( 'Hustle_Module_Collection' ) ){
		class WPMUDEV_HT_Add_Feature_Alt{
			private $feature_images = [];
			public function __construct(){
				add_filter( 'hustle_sort_modules', array( $this, 'filter_modules' ) );
				add_filter( 'clean_url', array( $this, 'filter_clean_url' ), 10, 2 );
			}

			public function filter_modules( $modules ){
				foreach( $modules as $module ){
					if( $module->content->feature_image ){
						$this->feature_images[ $module->content->feature_image ] = $module->content->title;
					}
				}
				return $modules;
			}

			public function filter_clean_url( $good_protocol_url, $original_url ){
				if( isset( $this->feature_images[ $original_url ] ) ){
					$alt = $this->get_alt_image_from_url( $original_url );
					if( ! $alt ){
						$alt = $this->feature_images[ $original_url ];
					}
					$alt = esc_html( $alt );
					$good_protocol_url .= '" alt="'. $alt;
				}
				return $good_protocol_url;
			}

			public function get_image_id($image_url) {
			    global $wpdb;
			    $attachment = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE guid='%s';", $image_url ));
			    return $attachment ? (int) $attachment[0] : 0;
			}

			public function get_alt_image_from_url( $image_url ){
				$alt = '';
				if( $image_id = $this->get_image_id( $image_url ) ){
					$alt = get_post_meta($image_id, '_wp_attachment_image_alt', TRUE);				}

				return $alt;
			}


		}

		$run = new WPMUDEV_HT_Add_Feature_Alt;
	}
}