3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sortLikeThis = [ '5', '3', '7', '1' ]; $unsorted = [ [ 'sort' => '7', 'name' => 'Test', ], [ 'sort' => '1', 'name' => 'Test 2', ], [ 'sort' => '3', 'name' => 'Test 3', ], [ 'sort' => '5', 'name' => 'Test 4', ], [ 'sort' => '7', 'name' => 'Test 4', ], ]; usort($unsorted, function($x, $y) use ($sortLikeThis) { return array_search($x['sort'], $sortLikeThis) - array_search($y['sort'], $sortLikeThis); }); var_dump($unsorted);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> array(2) { ["sort"]=> string(1) "5" ["name"]=> string(6) "Test 4" } [1]=> array(2) { ["sort"]=> string(1) "3" ["name"]=> string(6) "Test 3" } [2]=> array(2) { ["sort"]=> string(1) "7" ["name"]=> string(4) "Test" } [3]=> array(2) { ["sort"]=> string(1) "7" ["name"]=> string(6) "Test 4" } [4]=> array(2) { ["sort"]=> string(1) "1" ["name"]=> string(6) "Test 2" } }
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 '[' in /in/nZ0CJ on line 2
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 '[' in /in/nZ0CJ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/nZ0CJ on line 2
Process exited with code 255.

preferences:
220.08 ms | 401 KiB | 353 Q