Online PHP editor | output for L9Tqr

@ 2020-10-21T14:33:22Z

<?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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14: 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:dark modelive previewkey bindings