3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('apple', 'banana', 'cherry', 'damson'); // For each item in the array, count the letters in the word $array = array_map(function($value){ $letters = str_split($value); $counts = array_count_values($letters); return $counts; }, $array);

preferences:
41.78 ms | 402 KiB | 5 Q