media-cleaner-plugin-support.php

<?php
// Adding action hooks for Media Cleaner plugin
add_action( 'wpmc_scan_once', 'wpmc_scan_once_PLUGIN_NAME', 10, 0 );
add_action( 'wpmc_scan_post', 'wpmc_scan_html_PLUGIN_NAME', 10, 2 );
add_action( 'wpmc_scan_postmeta', 'wpmc_scan_postmeta_PLUGIN_NAME', 10, 2 );

/**
 * Runs once at the beginning of the scan.
 * Can be used to check images usage in general settings, in a theme, like a favicon, etc.
 */
function wpmc_scan_once_PLUGIN_NAME() {
  global $wpmc;
  // Implement your logic here
}

/**
 * Runs for each postmeta of any post type.
 * Scans and collects image IDs and URLs from post meta.
 *
 * @param int $id The post ID.
 */
function wpmc_scan_postmeta_PLUGIN_NAME( $id ) {
  global $wpmc;
  $postmeta_images_ids = array();
  $postmeta_images_urls = array();

  // Fetch data from post meta with key '_fusion'
  $data = get_post_meta( $id, '_fusion' );
  $attributes = [ 'id', 'url', 'thumbnail' ];
  
  // Get images from post meta data
  $wpmc->get_from_meta( $data, $attributes, $postmeta_images_ids, $postmeta_images_urls );

  // Add image references to the Media Cleaner
  $wpmc->add_reference_id( $postmeta_images_ids, 'PLUGIN_NAME (ID)', $id );
  $wpmc->add_reference_url( $postmeta_images_urls, 'PLUGIN_NAME (URL)', $id );
}

/**
 * Runs for each post of any post type.
 * Scans and collects image URLs from the post content (HTML).
 *
 * @param string $html The post content HTML.
 * @param int $id The post ID.
 */
function wpmc_scan_html_PLUGIN_NAME( $html, $id ) {
  global $wpmc;
  $posts_images_urls = array();
  $galleries_images = array();

  // Example patterns to find image URLs in the post content
  // Uncomment and modify these patterns based on your needs

  // Images between brackets
  // preg_match_all( "/\]((https?:\/\/)?[^\\&\#\[\] \"\?]+\.(" . $wpmc->types . "))\[\//", $html, $res );
  // if ( !empty( $res ) && isset( $res[1] ) && count( $res[1] ) > 0 ) {
  //   foreach ( $res[1] as $url ) {
  //     array_push( $posts_images_urls, $wpmc->clean_url( $url ) );
  //   }
  // }

  // Background Image
  // preg_match_all( "/background_image=\"((https?:\/\/)?[^\\&\#\[\] \"\?]+\.(" . $wpmc->types . "))\"/", $html, $res );
  // if ( !empty( $res ) && isset( $res[1] ) && count( $res[1] ) > 0 ) {
  //   foreach ( $res[1] as $url ) {
  //     array_push( $posts_images_urls, $wpmc->clean_url( $url ) );
  //   }
  // }

  // Background Image IDs
  // preg_match_all( "/background_image_id=\"([0-9,]+)/", $html, $res );
  // if ( !empty( $res ) && isset( $res[1] ) ) {
  //   foreach ( $res[1] as $r ) {
  //     $ids = explode( ',', $r );
  //     $galleries_images = array_merge( $galleries_images, $ids );
  //   }
  // }

  // Galleries
  // preg_match_all( "/image_ids=\"([0-9,]+)/", $html, $res );
  // if ( !empty( $res ) && isset( $res[1] ) ) {
  //   foreach ( $res[1] as $r ) {
  //     $ids = explode( ',', $r );
  //     $galleries_images = array_merge( $galleries_images, $ids );
  //   }
  // }

  // Add image references to the Media Cleaner
  $wpmc->add_reference_url( $posts_images_urls, 'PLUGIN_NAME (URL)', $id );
  $wpmc->add_reference_id( $galleries_images, 'PLUGIN_NAME (ID)', $id );
}
?>