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Editor to share with you what is the use of addslashes in php, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Addslashes

Addslashes escapes the special characters in the SQL statement, including ('), ("), (), (NUL). This function is used when DBMS does not have its own escape function, but if DBMS has its own escape function, it is recommended to use the original function. For example, MySQL has a mysql_real_escape_string function to escape SQL.

Note that before PHP5.3, magic_quotes_gpc is enabled by default, and it mainly performs addslashes operations on $GET, $POST, and $COOKIE, so there is no need to repeatedly call addslashes on these variables, otherwise it will double escaping.

However, magic_quotes_gpc has been abandoned in PHP5.3 and has been removed since PHP5.4, so you don't have to worry about it if you use the latest version of PHP. Stripslashes is the unescape function of addslashes.

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