3v4l.org

run code in 300+ PHP versions simultaneously
<?php define ('TODAY', December 28, 2013); echo ‘<p> Today is ‘ . TODAY . ‘.<br> This server is running version <b>’ . PHP_VERSION . ‘</b> of PHP on the <b>’ . PHP_OS . ‘</b> operating system.</p>’; ?>
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected '28' (T_LNUMBER) in /in/rDsZ6 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LNUMBER in /in/rDsZ6 on line 2
Process exited with code 255.

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