MDL-41885 lib: Introduce component_callback_exists
authorDan Poltawski <dan@moodle.com>
Fri, 20 Sep 2013 02:29:02 +0000 (10:29 +0800)
committerDan Poltawski <dan@moodle.com>
Mon, 23 Sep 2013 02:44:42 +0000 (10:44 +0800)
commitf5dfefdc87884ed4241744f7fe257a1805bae20e
tree202ebc9d93a25fdaf683227061bcc1702cfcde1b
parent7f3836d15aa5ddc33831310b65d38d625a79ca99
MDL-41885 lib: Introduce component_callback_exists

Determines if a callback in a module exists without needing to
call that callback.
lib/moodlelib.php