3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (empty($mystring)) { echo 'empty'; } if ($mystring == null) { echo 'null; // and warning }
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ''null; // and warning' (T_ENCAPSED_AND_WHITESPACE) in /in/rCkTl on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE in /in/rCkTl on line 7
Process exited with code 255.
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