3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ['id' => '111', 'value' => 'abc'], ['id' => '100', 'value' => 'abc'], ['id' => '132', 'value' => 'abc'], ['id' => '222', 'value' => 'abc'], ['id' => '112', 'value' => 'abc'], ['id' => '200', 'value' => 'abc'] ]; $idPriorities = array_flip(['112', '111', '132', '100']); $idOutlier = count($idPriorities); usort( $array, fn($a, $b) => ($idPriorities[$a['id']] ?? $idOutlier) <=> ($idPriorities[$b['id']] ?? $idOutlier) ); var_export($array);
Output for 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 - 8.3.4, 8.3.6
array ( 0 => array ( 'id' => '112', 'value' => 'abc', ), 1 => array ( 'id' => '111', 'value' => 'abc', ), 2 => array ( 'id' => '132', 'value' => 'abc', ), 3 => array ( 'id' => '100', 'value' => 'abc', ), 4 => array ( 'id' => '222', 'value' => 'abc', ), 5 => array ( 'id' => '200', 'value' => 'abc', ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'id' => '112', 'value' => 'abc', ), 1 => array ( 'id' => '111', 'value' => 'abc', ), 2 => array ( 'id' => '132', 'value' => 'abc', ), 3 => array ( 'id' => '100', 'value' => 'abc', ), 4 => array ( 'id' => '222', 'value' => 'abc', ), 5 => array ( 'id' => '200', 'value' => 'abc', ), )
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/L9Tqr on line 17
Process exited with code 255.
Output for 7.2.0 - 7.2.34
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/L9Tqr on line 17
Process exited with code 255.

preferences:
176.8 ms | 401 KiB | 191 Q