wp_get_attachment_metadata() WP 1.0

Retrieve attachment meta field for attachment ID.

Return

Array|false. Attachment metadata. False on failure.

Usage

wp_get_attachment_metadata( $attachment_id, $unfiltered );

$attachment_id(int)

Attachment post ID.
Default: global $post

$unfiltered(true|false)

If true, filters are not run.
Default: false

Changelog

Code of wp_get_attachment_metadata() wp get attachment metadata ^{WP 5.8.1}

function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) {
	$attachment_id = (int) $attachment_id;

	if ( ! $attachment_id ) {
		$post = get_post();

		if ( ! $post ) {
			return false;
		}

		$attachment_id = $post->ID;
	}

	$data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true );

	if ( ! $data ) {
		return false;
	}

	if ( $unfiltered ) {
		return $data;
	}

	/**
	 * Filters the attachment meta data.
	 *
	 * @since 2.1.0
	 *
	 * @param array $data          Array of meta data for the given attachment.
	 * @param int   $attachment_id Attachment post ID.
	 */
	return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id );
}

Related Functions

Metadata (postmeta)