Filter hook 'attachment_url_to_postid'

in WP Core File wp-includes/media.php at line 5564

View Source

attachment_url_to_postid

Filter Hook
Description
Filters an attachment ID found by URL.

Hook Information

File Location wp-includes/media.php View on GitHub
Hook Type Filter
Line Number 5564

Hook Parameters

Type Name Description
int|null $post_id The post_id (if any) found by the function.
string $url The URL being looked up.

Usage Examples

Basic Usage
<?php
// Hook into attachment_url_to_postid
add_filter('attachment_url_to_postid', 'my_custom_filter', 10, 2);

function my_custom_filter($post_id, $url) {
    // Your custom filtering logic here
    return $post_id;
}

Source Code Context

wp-includes/media.php:5564 - How this hook is used in WordPress core
<?php
5559  	 * @since 4.2.0
5560  	 *
5561  	 * @param int|null $post_id The post_id (if any) found by the function.
5562  	 * @param string   $url     The URL being looked up.
5563  	 */
5564  	return (int) apply_filters( 'attachment_url_to_postid', $post_id, $url );
5565  }
5566  
5567  /**
5568   * Returns the URLs for CSS files used in an iframe-sandbox'd TinyMCE media view.
5569   *

PHP Documentation

<?php
/**
	 * Filters an attachment ID found by URL.
	 *
	 * @since 4.2.0
	 *
	 * @param int|null $post_id The post_id (if any) found by the function.
	 * @param string   $url     The URL being looked up.
	 */
Quick Info
  • Hook Type: Filter
  • Parameters: 2
  • File: wp-includes/media.php
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