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run code in 300+ PHP versions simultaneously
<?php $pagetype_str = preg_replace(/^(=[_\.\-]?\&=|=)?(.*)$'/, '\1', ''); echo $pagetype_str;
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '/', expecting ')' in /in/n0b2f on line 2
Process exited with code 255.

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