tags:

Sort Array of Arrays in PHP

Sort with usort and a spaceship-operator comparator.

Author: chris

// Language: PHP

<?php
declare(strict_types=1);

$users = [
    ['name' => 'Alice', 'age' => 31],
    ['name' => 'Bob',   'age' => 24],
    ['name' => 'Eve',   'age' => 42],
];

usort($users, fn($a, $b) => $a['age'] <=> $b['age']);

print_r($users);