3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cars = ['Toyota', 'Volvo', 'BMW']; usort($cars, function ($a, $b) { return $a <=> $b; }); var_export($cars);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array ( 0 => 'BMW', 1 => 'Toyota', 2 => 'Volvo', )

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74.04 ms | 406 KiB | 5 Q