get_meta_keys()
Returns a list of previously defined keys.
No Hooks.
Return
String[]
. Array of meta key names.
Usage
get_meta_keys();
Notes
- Global. wpdb. $wpdb WordPress database abstraction object.
Changelog
Since 1.2.0 | Introduced. |
get_meta_keys() get meta keys code WP 6.5.2
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; }