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function clean_get_query ($needle)
Use this function to clean URL query (GET method) from several values. It is useful if you need to redirect back to previous URL while you need to remove some values from the URL.
$needle can be a string or an array, the values to be removed.
echo clean_get_query ('p');
If you call the sample with a query, eg: test.php?a=1&b=2&p=3; it will produce test.php?a=1&b=2
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