wp_count_attachments() │ WP 2.5.0

Counts number of attachments for the mime type(s).

If you set the optional mime_type parameter, then an array will still be returned, but will only have the item you are looking for. It does not give you the number of attachments that are children of a post. You can get that by counting the number of children that post has.

Return

stdClass. An object containing the attachment counts by mime type.

Usage

wp_count_attachments( $mime_type );

$mime_type(string|string[])

Array or comma-separated list of MIME patterns.
Default: ''

Notes

• Global. wpdb. $wpdb WordPress database abstraction object.

Changelog

wp_count_attachments() wp count attachments code ^{WP 6.5.2}

function wp_count_attachments( $mime_type = '' ) {
	global $wpdb;

	$cache_key = sprintf(
		'attachments%s',
		! empty( $mime_type ) ? ':' . str_replace( '/', '_', implode( '-', (array) $mime_type ) ) : ''
	);

	$counts = wp_cache_get( $cache_key, 'counts' );
	if ( false == $counts ) {
		$and   = wp_post_mime_type_where( $mime_type );
		$count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A );

		$counts = array();
		foreach ( (array) $count as $row ) {
			$counts[ $row['post_mime_type'] ] = $row['num_posts'];
		}
		$counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" );

		wp_cache_set( $cache_key, (object) $counts, 'counts' );
	}

	/**
	 * Filters the attachment counts by mime type.
	 *
	 * @since 3.7.0
	 *
	 * @param stdClass        $counts    An object containing the attachment counts by
	 *                                   mime type.
	 * @param string|string[] $mime_type Array or comma-separated list of MIME patterns.
	 */
	return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type );
}