3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function couple(array $items) { $a = array(); for ($i = 0, $n = count($items); $i < $n; $i++) for ($j = $i + 1; $j < $n; $j++) $a[] = array($items[$j], $items[$i]); return $a; } ?>
Output for 5.1.0 - 7.1.0
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/ijSDG on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/ijSDG on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/ijSDG on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/ijSDG on line 2
Process exited with code 255.