3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = time(); $b = (new DateTime())->getTimestamp(); echo $a . "\n"; echo $b . "\n"; echo ($a - $b) . "\n";
Output for 5.4.0 - 5.4.27, 5.4.30 - 5.4.45, 5.5.0, 5.5.2 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.13, 7.3.0
1404391617 1404391617 0
Output for 5.4.28 - 5.4.29, 5.5.1
1404391617 1404391618 -1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/9nWpG on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/9nWpG on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9nWpG on line 4
Process exited with code 255.
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200.05 ms | 401 KiB | 287 Q