3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( // Look ma, it's an array 'foo' => '1', 'bar' => '2', 'baz' => '3', 'zip' => '1'); var_dump(array_count_values($array));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 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) { [1]=> int(2) [2]=> int(1) [3]=> int(1) }
Output for 5.0.0 - 5.0.1
array(3) { ["1"]=> int(2) ["2"]=> int(1) ["3"]=> int(1) }

preferences:
223.36 ms | 401 KiB | 344 Q