3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $res = strnatcmp(122,200); echo $res; $abc = array( 'rec_1' => array('fn'=>'Aron','ln'=>'Michaelson'), 'rec_2' => array('fn'=>'Abbey','ln'=>'Drake'), 'rec_3' => array('fn'=>'Alice','ln'=>'Peterson')); function build_sorter($key) { return function ($a, $b) use ($key) { return strnatcmp($a[$key], $b[$key]); }; } usort($abc, build_sorter('ln')); /*function SortByLname($a,$b) { return strcmp( $a['ln'], $b['ln'] ); } usort($abc, "SortByLname"); */ foreach ($abc as $item) { echo strtoupper($item['ln']) . ', ' . $item['fn'] . "\n"; }
based on 4QKTm
Output for 5.3.0 - 7.2.0
-1DRAKE, Abbey MICHAELSON, Aron PETERSON, Alice
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/FdE9S on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/FdE9S on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/FdE9S on line 9
Process exited with code 255.