Retrieves attachment metadata for attachment ID.

Parameters

$attachment_idintrequired

Attachment post ID. Defaults to global $post.

$unfilteredbooloptional

If true, filters are not run.

Default:false

Return

• width int
  The width of the attachment.
• height int
  The height of the attachment.
• file string
  The file path relative to wp-content/uploads.
• sizes array
  Keys are size slugs, each value is an array containing 'file', 'width', 'height', and 'mime-type'.
• image_meta array
  Image metadata.
• filesize int
  File size of the attachment.

Source

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 );
}

View all references View on Trac View on GitHub

Hooks

apply_filters( ‘wp_get_attachment_metadata’, array $data, int $attachment_id )

Filters the attachment meta data.

Changelog