mysql_real_escape_string? ??
mysql_real_escape_string? SQL ?? ??? ???? ?? ?? ???? ????? ??? ????? ? ??? ???? ???.
?? ??:
??? ??? mysql_real_escape_string? ???? ??? ???? SQL ??? ??? ??? ? ????. ?? ?? ??????.
mysql_query('DELETE FROM users WHERE user_id = '.mysql_real_escape_string($input));
"5 OR 1=1"? ?? ??? ??? ????? ?? mysql_real_escape_string? ???? ?? ??? ???? ?? ?? ???? ??? ? ????.
?? ??:
mysql_real_escape_string? SQL ?? ?? ??? ?? ????? ??? ??? ?? ???? ?? ??? ???????.
$value = mysql_real_escape_string($value, $link); $sql = "... `foo` = '$value' ...";
? ?? ?? ??? ???? ?? mysql_real_escape_string? ??? ?? ?? ?? XSS ???? ?????.
?? ?? ???:
?????? ?? ???? ?? ???? ???? ??? ? ????. mysql_query("SET NAMES 'utf8'", $link)? ???? ?? ???? ???? mysql_ API? ???? ???? ??? ??????? ???? ???? ?? ?? ???? ??? ? ????.
??? ??:
mysql_real_escape_string? ??? ?? ?? ???? ??? ????.
- ???? ?? ?? ?? ??
- SQL ?? ??? ??
- Prepared ?? ???? ??? ??
mysql_real_escape_string? ???? ???? ?? ?????? ??? ? ???, ???? ??? ????? ??? ?? ?? ?? ??? ??? ???? ?? ????.
? ??? `mysql_real_escape_string`? SQL ??? ?? ???? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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