3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function compare($left, $right) { if (($length = strlen($left)) != strlen($right)) { return false; } for ($i = 0, $result = 0; $i < $length; $i++) { $result |= ord($left[$i]) ^ ord($right[$i]); } return $result === 0; } var_dump(compare('A', 'A')); var_dump(comapre('A', 'a')); var_dump(compare('AAA', 'AAA')); var_dump(compare('µ', 'µ'));
Output for 7.0.0 - 7.2.0
bool(true) Fatal error: Uncaught Error: Call to undefined function comapre() in /in/4O3mr:14 Stack trace: #0 {main} thrown in /in/4O3mr on line 14
Process exited with code 255.
Output for 5.3.21 - 5.6.28
bool(true) Fatal error: Call to undefined function comapre() in /in/4O3mr on line 14
Process exited with code 255.