3v4l.org

run code in 300+ PHP versions simultaneously
<?php define PHP_EOL "\n"; $x = 'cat'; echo('what\'s new pussy' . $x . 's? ' . PHP_EOL); ?>
Output for 5.4.0 - 5.4.12
Parse error: syntax error, unexpected 'PHP_EOL' (T_STRING) in /in/3ZQLB on line 1
Process exited with code 255.
Output for 5.3.0 - 5.3.22
Parse error: syntax error, unexpected T_STRING in /in/3ZQLB on line 1
Process exited with code 255.
preferences:
172.09 ms | 1395 KiB | 43 Q