3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function array_group(callable $eq, array $xs) { $groupedXs = []; $grouped = [$xs[0]]; if ($eq($xs[0], $xs[1])) { $grouped[] = $xs[1]; } else { $groupedXs = $grouped; $grouped = [$xs[1]]; } return $groupedXs; } var_dump(array_group(function ($a, $b) { }, [[1, 'sold'], [2, 'registered'], [3, 'sold']]));
based on ujv8Z
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(1) { [0]=> array(2) { [0]=> int(1) [1]=> string(4) "sold" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/0VCp6 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/0VCp6 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/0VCp6 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 T_STRING, expecting ')' in /in/0VCp6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/0VCp6 on line 3
Process exited with code 255.