wp_get_attachment_thumb_url() – Retrieves URL for an attachment thumbnail.
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Description
Retrieves URL for an attachment thumbnail.
Usage
$string|false = wp_get_attachment_thumb_url( $post_id );
Parameters
- $post_id
- ( int ) optional – Optional. Attachment ID. Default is the ID of the global `$post`.
Returns
string|false Thumbnail URL on success, false on failure.
Source
File name: wordpress/wp-includes/post.php
Lines:
1 to 25 of 25
function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; /* * This uses image_downsize() which also looks for the (very) old format $image_meta['thumb'] * when the newer format $image_meta['sizes']['thumbnail'] doesn't exist. */ $thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' ); if ( empty( $thumbnail_url ) ) { return false; } /** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $thumbnail_url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); }