3v4l.org

run code in 300+ PHP versions simultaneously
<?php $example = array( "ae1" => 1, "ae2" => 3, 0 => 3, 1 => 4, ); ksort($example); echo "Sort By Key:" . PHP_EOL; print_r($example); krsort($example); echo "Reverse Sort By Key:" . PHP_EOL; print_r($example);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Sort By Key: Array ( [0] => 3 [1] => 4 [ae1] => 1 [ae2] => 3 ) Reverse Sort By Key: Array ( [ae2] => 3 [ae1] => 1 [1] => 4 [0] => 3 )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Sort By Key: Array ( [ae1] => 1 [ae2] => 3 [0] => 3 [1] => 4 ) Reverse Sort By Key: Array ( [1] => 4 [ae2] => 3 [ae1] => 1 [0] => 3 )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Sort By Key: Array ( [ae1] => 1 [ae2] => 3 [0] => 3 [1] => 4 ) Reverse Sort By Key: Array ( [1] => 4 [0] => 3 [ae2] => 3 [ae1] => 1 )
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Sort By Key: Array ( [ae1] => 1 [0] => 3 [ae2] => 3 [1] => 4 ) Reverse Sort By Key: Array ( [1] => 4 [ae2] => 3 [0] => 3 [ae1] => 1 )

preferences:
193.14 ms | 402 KiB | 213 Q