Re: preventing sql injections
| From: | Wico de Leeuw | Date: | Wed, 18 Dec 2002 13:58:51 +0000 |
| Subject: | Re: preventing sql injections | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-128713@lists.php.net to get a copy of this message | ||
addslashes should be enough and put qoutes arround your strings in the sql
At 14:58 18-12-02 +0100, Anders Thoresson wrote:
Would this function do the trick? <?php // validate.php - functions that validates form input function validate_string($unsafe_string) {// create array containing bad words$badwords = array(";","--","select","drop","insert","xp_","delete"); $goodwords = array(":","---","choose","leave","add"," ","remove");// check for occurences of $badwordsfor($i=0; $i<7; $i++) { $unsafe_string = str_replace("$badwords[$i]", "$goodwords[$i]","$unsafe_string"); }$unsafe_string = AddSlashes($unsafe_string); $unsafe_string = trim($unsafe_string); $safe_string = $unsafe_string; Return $safe_string;} ?> Br, Anders -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php