3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = array( 'one' => 1, 'two' => 2, 'three' => 3 ); $a2 = $a1; $a3 = $a1; sort($a1); var_dump($a1); ksort($a2); var_dump($a2); asort($a3); var_dump($a3);

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64.34 ms | 402 KiB | 5 Q