3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $hash = str_pad(dechex(999), 8, "0", STR_PAD_LEFT); $hash = implode(str_split($hash, 2), '/'); $hash2 = substr_replace($hash, 'f', 0, 1); printf("hash = %s, new hash = %s", $hash, $hash2);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
hash = 00/00/03/e7, new hash = f0/00/03/e7
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/UhC3e on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/UhC3e on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/UhC3e on line 3