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run code in 150+ php & hhvm versions
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<?php <?php $text = '¡éQu frío!'; $text = preg_replace('/[^a-zA-Z0-9áéíóúñ\', ]/i','',$text); echo $text; die;
Output for 5.3.0 - 5.4.16
Parse error: syntax error, unexpected '<' in /in/eSohQ on line 3
Process exited with code 255.