has_post_thumbnail

Filter Hook

Description

Filters whether a post has a post thumbnail.

Hook Information

File Location	`wp-includes/post-thumbnail-template.php` View on GitHub
Hook Type	Filter
Line Number	`38`

Hook Parameters

Type	Name	Description
`bool`	`$has_thumbnail`	true if the post has a post thumbnail, otherwise false.
`int\|WP_Post\|null`	`$post`	Post ID or WP_Post object. Default is global `$post`.
`int\|false`	`$thumbnail_id`	Post thumbnail ID or false if the post does not exist.

Usage Examples

Basic Usage

<?php
// Hook into has_post_thumbnail
add_filter('has_post_thumbnail', 'my_custom_filter', 10, 3);

function my_custom_filter($has_thumbnail, $post, $thumbnail_id) {
    // Your custom filtering logic here
    return $has_thumbnail;
}

Source Code Context

wp-includes/post-thumbnail-template.php:38 - How this hook is used in WordPress core

<?php
  33  	 *
  34  	 * @param bool             $has_thumbnail true if the post has a post thumbnail, otherwise false.
  35  	 * @param int|WP_Post|null $post          Post ID or WP_Post object. Default is global `$post`.
  36  	 * @param int|false        $thumbnail_id  Post thumbnail ID or false if the post does not exist.
  37  	 */
  38  	return (bool) apply_filters( 'has_post_thumbnail', $has_thumbnail, $post, $thumbnail_id );
  39  }
  40  
  41  /**
  42   * Retrieves the post thumbnail ID.
  43   *

PHP Documentation

<?php
/**
	 * Filters whether a post has a post thumbnail.
	 *
	 * @since 5.1.0
	 *
	 * @param bool             $has_thumbnail true if the post has a post thumbnail, otherwise false.
	 * @param int|WP_Post|null $post          Post ID or WP_Post object. Default is global `$post`.
	 * @param int|false        $thumbnail_id  Post thumbnail ID or false if the post does not exist.
	 */

Quick Info

Hook Type: Filter
Parameters: 3
File: wp-includes/post-thumbnail-template.php

Links

WordPress Docs View Source Code Search Examples

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