php array_push() -> How not to push if the array already contains the value

Question

I am using the following loop to add items to an an array of mine called $liste. I would like to know if it is possible somehow not to add $value to the $liste array if the

Answer 1

maybe you want to use it as an associative array instead. it's implemented as (something like) a hash table, so you get constant insert time instead of linear.

function find_uniq( $something ) {
    foreach($something as $value){
         $liste[$value]++;
    }
    return array_keys( $liste );
}