Online PHP editor | output for SLa2E

@ 2014-01-08T17:35:14Z

<?php

$arrEmployees['marco polo'] = array('age' => 40, 'service' => 5);
$arrEmployees['jane austen'] = array('age' => 30, 'service' => 9);
$arrEmployees['carl marx'] = array('age' => 30, 'service' => 7);

foreach ($arrEmployees as $key => $row) {
    $age[$key]  = $row['age'];
    $service[$key] = $row['service'];
}

array_multisort($age, SORT_DESC, $service, SORT_ASC, $arrEmployees);

var_dump($arrEmployees);

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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(3) { ["marco polo"]=> array(2) { ["age"]=> int(40) ["service"]=> int(5) } ["carl marx"]=> array(2) { ["age"]=> int(30) ["service"]=> int(7) } ["jane austen"]=> array(2) { ["age"]=> int(30) ["service"]=> int(9) } }

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