3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace Foo; define('Foo\\null', true); if (null) { echo "TRUE"; } else { echo "FALSE!!!"; }
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
FALSE!!!
Output for 5.3.0 - 5.6.28
TRUE
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/1M78n on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/1M78n</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/1M78n</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/1M78n</b> on line <b>2</b><br />
Process exited with code 255.