post_thumbnail_size filter-hookWP 2.9.0

Filters the post thumbnail size.

Usage

add_filter( 'post_thumbnail_size', 'wp_kama_post_thumbnail_size_filter', 10, 2 );

/**
 * Function for `post_thumbnail_size` filter-hook.
 * 
 * @param string|int[] $size    Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).
 * @param int          $post_id The post ID.
 *
 * @return string|int[]
 */
function wp_kama_post_thumbnail_size_filter( $size, $post_id ){

	// filter...
	return $size;
}
$size(string|int[])
Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order).
$post_id(int)
The post ID.

Changelog

Since 2.9.0 Introduced.
Since 4.9.0 Added the $post_id parameter.

Where the hook is called

get_the_post_thumbnail()
post_thumbnail_size
wp-includes/post-thumbnail-template.php 167
$size = apply_filters( 'post_thumbnail_size', $size, $post->ID );

Where the hook is used in WordPress

Usage not found.