- var_export: documentation ( source)
- array_filter: documentation ( source)
- in_array: documentation ( source)
<?php
$array = [
'one' => [20,0,40,0,60],
'two' => [50],
'three' => [0, 0, 0, 0],
'four' => [10, 5],
'five' => [0],
'six' => [null],
'seven' => [false],
'eight' => ["0"],
];
var_export(
array_filter($array, fn($row) => !in_array(0, $row, true))
);