3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function awesome(...$arrays) { if (!is_array($arrays)) return false; $merged = array_shift($arrays); foreach($arrays as $array) { foreach($array as $k => $v) { $merged[] = $v; } } return $merged; } $array1 = array('A', 'B', 'C'); $array2 = array('B', 'C', 'D'); print_r($array1 + $array2); print_r(array_merge($array1, $array2)); print_r(awesome($array1, $array2));
based on HPnPA
Output for 5.6.7 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [0] => A [1] => B [2] => C ) Array ( [0] => A [1] => B [2] => C [3] => B [4] => C [5] => D ) Array ( [0] => A [1] => B [2] => C [3] => B [4] => C [5] => D )
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/E3WYI on line 3
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/E3WYI on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/E3WYI on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '.', expecting ')' in /in/E3WYI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '.', expecting ')' in /in/E3WYI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/E3WYI on line 3
Process exited with code 255.