get_meta_keys() WP 1.2.0

Get a list of previously defined keys.

Хуков нет.

Возвращает

Разное.

Использование

get_meta_keys();

Код get meta keys: wp-admin/includes/post.php ^{WP 5.2.2}

<?php
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;
}