3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = 'def'; $str = '\x'.implode('\x', str_split(bin2hex($str), 2)); echo $str;
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
\x64\x65\x66
Output for 4.4.5 - 4.4.9
<br /> <b>Fatal error</b>: Call to undefined function: str_split() in <b>/in/mp5K7</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.4.4
<br /> <b>Fatal error</b>: Call to undefined function: str_split() in <b>/in/mp5K7</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1
<br /> <b>Fatal error</b>: Call to undefined function: str_split() in <b>/in/mp5K7</b> on line <b>3</b><br />