3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'cat'; $b = 'cats'; for ($i = 0; $i < strlen($a); $i++) { $result = isset($result) ? |= (ord($a[$i]) ^ ord($b[$i])) : 0; } $c = ($result == 0) ? "equal" : "not equal";
Output for 5.4.0 - 5.4.39
Parse error: syntax error, unexpected '|=' (T_OR_EQUAL) in /in/NHb9q on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OR_EQUAL in /in/NHb9q on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OR_EQUAL in /in/NHb9q on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NHb9q on line 5
Process exited with code 255.
preferences:
216.45 ms | 1395 KiB | 129 Q