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get_post_custom_keys ›

Da1.2.0
Deprecaton/a
get_post_custom_keys ( $post_id = 0 )
Parametri:
  • (int) $post_id Optional. Post ID. Default is ID of the global $post.
    Richiesto: No
    Default:
Ritorna:
  • (array|void) Array of the keys, if retrieved.
Definito a:
Codex:

Retrieve meta field names for a post.

If there are no meta fields, then nothing (null) will be returned.



Sorgenti

function get_post_custom_keys( $post_id = 0 ) {
	$custom = get_post_custom( $post_id );

	if ( ! is_array( $custom ) ) {
		return;
	}

	$keys = array_keys( $custom );
	if ( $keys ) {
		return $keys;
	}
}