3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="2011"' $week="01" echo date("Y-m-d", strtotime($str."W".$week)) ?>
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected ''' (T_ENCAPSED_AND_WHITESPACE) in /in/G9E5I on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE in /in/G9E5I on line 2
Process exited with code 255.
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184.68 ms | 1395 KiB | 62 Q