How to use PHP get_magic_quotes_gpc and addslashes

This judgment condition is often encountered in the code

if(!get_magic_quotes_gpc())
{
$p=addslashes($name);//$name is a value to obtain user input
}

First look at get_magic_quotes_gpc() The function of this function is:
magic_quotes_gpc sets whether to automatically add a backslash (and escape) before '(single quote)" (double quote) (backslash) in the data transmitted from GPC (get, post, cookie)
get_magic_quotes_gpc() checks whether this item is set. If it is set, it returns true. If it is not set, it returns false
If it is not set, we need to manually escape some special characters, such as ',", these three mentioned above.
If you manually escape special characters? Use the addslashes('content') method. The parameter is the string that needs to be escaped.

So the above code is to first check whether the system automatically adds a backslash before special characters. If not, we need to call the method addslashes() to escape the special characters in the content entered by the user.
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