- print_r: documentation ( source)
- array_filter: documentation ( source)
<?php
$arr = [
'item1' => 0,
'item2' => 10,
'item5' => 0,
'item10' => 10,
'item12' => 5,
'item120' => false,
];
$filtered = array_filter($arr,function($value){
return $value !== 0;
});
print_r($filtered);