dev:changes_in_2.7 [Piwigo Wiki]

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====== Technical changes in Piwigo 2.7 ======

===== add_event_handler() 4th parameter =====
The fourth parameter of **add_event_handler** function was used to tell the number of parameters which will be transmitted to the callback. This is no longer used: all parameters given to **trigger_change** or **trigger_notify** are always transmitted to all callback.

But the fourth parameter is still used: if a string is given it will be used as a file path included just before the callback (with **include_once**). 
<code php>
// procedural
add_event_handler('init', 'my_init',
  EVENT_HANDLER_PRIORITY_NEUTRAL,
  MY_PLUGIN_PATH . 'include/callbacks.php'
  );

// OOP with static method
add_event_handler('init', array('MyClass', 'init'),
  EVENT_HANDLER_PRIORITY_NEUTRAL,
  MY_PLUGIN_PATH . 'include/myclass.php'
  );
</code>

If the 4th parameter is anything else than a string it is ignored.

===== trigger_change / trigger_notify =====
TODO

===== Plugin maintenance class =====
TODO

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dev/changes_in_2.7.1402335540.txt.gz · Last modified: 2014/06/09 17:39 by mistic100

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