3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $drst = strtotime('2013-10-31'); echo <br/> echo $drstRev = strtotime('-1 month', $drst); echo <br/> echo date('Y-m-d', $drstRev); ?>
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '<' in /in/qfPrS on line 3
Process exited with code 255.
preferences:
192.69 ms | 1395 KiB | 57 Q