get_meta_keys() │ WP 1.2.0

Returns a list of previously defined keys.

No Hooks.

Returns

String[]. Array of meta key names.

Usage

get_meta_keys();

Notes

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

Changelog

get_meta_keys() get meta keys code ^{WP 7.0}

function get_meta_keys() {
	global $wpdb;

	$keys = $wpdb->get_col(
		"SELECT meta_key
		FROM $wpdb->postmeta
		GROUP BY meta_key
		ORDER BY meta_key"
	);

	return $keys;
}