3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo pack("H*", false);
Output for 5.1.2 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Output for 4.4.3 - 5.1.1
<br /> <b>Warning</b>: pack() [<a href='function.pack'>function.pack</a>]: Type H: not enough characters in string in <b>/in/McI1D</b> on line <b>2</b><br />
Output for 4.3.2 - 4.4.2
<br /> <b>Warning</b>: pack(): Type H: not enough characters in string in <b>/in/McI1D</b> on line <b>2</b><br />
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: pack() [<a href='http://www.php.net/function.pack'>function.pack</a>]: Type H: not enough characters in string in <b>/in/McI1D</b> on line <b>2</b><br />