Get MIN value from array without 0

Question

$array1 = array(0,1,3,0);
$array2 = array(2,0,3,2);
$array3 = array(0,4,5,1);

echo min($array1) . "\n";
echo min($array2) . "\n";
echo min($array3) . "\n";

this return me:

0
0
0

but i want receive:

1
2
1

How to skip 0 in function MIN?

Answer 1

Try array_filter:

If no callback is supplied, all entries of input equal to FALSE will be removed.

so it will remove 0 for you.

echo min(array_filter($array1)) . "\n";