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<?php foreach(array('ciao', 'ciao.comeva', '$ciao', '$ciao.comeva', '$ciao.come.va', '$ciao.molto.bene.e.tu') as $string) { if (preg_match('#\$([\w\.]+)#',$string) { echo $string . ' - OK' . "\n"; } else { echo $string . ' - NOK'. "\n"; } }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '{' in /in/iEDk6 on line 3
Process exited with code 255.

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