- array_count_values: documentation ( source)
<?php
$list=array(5,2,3,9);
function my_sum ($list){
$count = 0;
for ($i=0; $i<= Array_count_values($list); $i++){
$count = $count + $list[i];
return $count;
}
}
$sum = my_sum($list);
print("The sum of all array elements is $sum <br />");
?>