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How to use post_thumbnail_id filter in WordPress

Sandeep Kumar Mishra
Sandeep Kumar Mishra
July 7, 2022
5 minutes read

post_thumbnail_id filter

Filters the post thumbnail ID.

apply_filters( 'post_thumbnail_id', int|false $thumbnail_id, int|WP_Post|null $post )

Description

This is filter hook , its filter the post thumbnail ID.
Its consists of two parameters, ome is thumbnail ID or false , if post not exists and second is Post Id or WP_Post object.

It is used in get_post_thumbnail_id() which retrieves the thumbnail id.

Parameters

  • $thumbnail_id : (int|false) Post thumbnail ID or false if the post does not exist.
  • $post : (int|WP_Post|null) Post ID or WP_Post object. Default is global $post.

Live Example

To run the hook, copy the example below.

apply_filters( 'post_thumbnail_html', string $html, int $post_id, int $post_thumbnail_id, string|int[] $size, string|array $attr )

  
Sandeep Kumar Mishra

Sandeep Kumar Mishra writes about WordPress and Artificial Intelligence, offering tips and guides to help you master your website and stay updated with the latest tech trends.

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