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run code in 300+ PHP versions simultaneously
<?php class EventDispatcher{function r($e, ListenerInterface $l){$this->e[$e][] = $l;} function d($e){foreach ($this->e[$e] as $l){$l->o();}}} interface ListenerInterface{function o();} class MyListener implements ListenerInterface{function o(){echo '*';}} $l = new MyListener(); $e = new EventDispatcher(); $e->r('1', $l); $e->r('1', $l); $e->r('2', $l); $e->d('1');
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property EventDispatcher::$e is deprecated in /in/kUkEU on line 2 **
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
**
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in <b>/in/kUkEU</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in <b>/in/kUkEU</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in <b>/in/kUkEU</b> on line <b>2</b><br />
Process exited with code 255.
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