PHP $_GET NOT WORKING (BackSlashes Duplicated)

Question

I am having the exact same issue as shown here: Why does _GET in PHP wrongly decodes slash?

An HTML form passes the parameters, so there is no need for urlencode(). If it passes a single backslash ("%5c") on the URL, then "$_GET[name]" will return 2 slashes for every one passed!

I am on PHP 7.4, and I understand that magic slashes have been removed in that, so the solution for the old issue doesn't apply to me. In any case, I tried to turn off "magic_quotes_gpc" in PHP (set_ini) as well as ".htaccess".

"I am on PHP 5.4" — Danger! That version of PHP has been unsupported for almost 8 years. It hasn't had any security updates in that time. Upgrade to a supported version of PHP. — Quentin
– Quentin, Commented Jun 1, 2023 at 8:23

Dennis Bareis · Accepted Answer · 2023-06-05 02:45:18Z

0

OK, I have worked out the answer, while PHP has removed magic quotes from "$_GET", "$_POST", "$_COOKIE", and "$_SERVER", WordPress decided to fu&k everyone up by adding similar magic quotes without the ability to turn it off!

That means you can't safely use the contents as is but must process it via "wp_unslash()":

Unf = wp_unslash( _GET['parm'] );

answered Jun 5, 2023 at 2:45

Dennis Bareis

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