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<?php $attributes['action'] = 'order.php?param1=aaa&param2=bbb'; switch($attributes['action']) { case "list": echo 'List!'; break; case "listorder": echo 'Listorder!'; break; case (preg_match('~order\.php\?.*~', ) ? true : false): echo 'Regex works!'; break; default: echo 'Regex doesn\'t work((('; break; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: preg_match() expects at least 2 arguments, 1 given in /in/1Nk8N:13 Stack trace: #0 /in/1Nk8N(13): preg_match('~order\\.php\\?.*...') #1 {main} thrown in /in/1Nk8N on line 13
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_match() expects at least 2 parameters, 1 given in /in/1Nk8N on line 13 Regex doesn't work(((
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Parse error: syntax error, unexpected ')' in /in/1Nk8N on line 13
Process exited with code 255.

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