3v4l.org

run code in 300+ PHP versions simultaneously
<?php $yr="2011"; $week="01"; $date1 = date( 'Y-m-d', strtotime($yr . 'W' . str_pad($week, 3 '0', STR_PAD_LEFT)) );echo $date1; ?>
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected ''0'' (T_CONSTANT_ENCAPSED_STRING) in /in/VfeC7 on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/VfeC7 on line 7
Process exited with code 255.
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181 ms | 1395 KiB | 62 Q