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I wrote a code.. but now I don’t know which version is a better one.. Is there any possibility couse of 1st version my code is vulnerable?
Version 1:
$destination = $_POST['var'];
$destination = strip_tags(trim($destination));
Version 2:
$destination = strip_tags(trim($_POST['var']));
As neither
strip_tagsnortrimchange the input string, there is absolutely no difference between the two versions.