| Extensions: $wgHooks | |
|---|---|
| Global list of hooks. | |
| Introduced in version: | 1.4.0 (r6405) | 
| Removed in version: | still in use | 
| Allowed values: | See details | 
| Default value: | [] | 
| Other settings: Alphabetical | By function | |
Details
Global list of hooks. It is an array of arrays: it specifies for every event an array of functions to be called.
Add a hook by doing:
$wgHooks['event_name'][] = 'function';
or:
$wgHooks['event_name'][] = array( 'function', $data );
or:
$wgHooks['event_name'][] = array( $object, 'method' );
or:
$wgHooks['event_name'][] = $object;
In the last case, the callback is expected to be a method in $object of the same name as the event preceded by "on", e.g. "onUnknownAction"
Hooks are called when events happen, where a hook is a PHP function, and an event is an abstract concept.
See also
- Manual:Hooks
- Manual:$wgSpecialVersionShowHooks
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