PHP array_diff not working

Question

I\'m trying to use array_diff like so. Here are my two array outputs:

List 1 Output

Array ([0] => 0022806 ) 

List 2 Output

Answer 1

try;

$diff = array_merge(array_diff($list_1, $list_2), array_diff($list_2, $list_1));

print "DIFF: " . count($diff) ."
";
print_r($diff);