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Severity: Notice

Message: Undefined index: userid

Filename: views/question.php

Line Number: 191


File: /home/prodcxja/public_html/questions/application/views/question.php
Line: 191
Function: _error_handler

File: /home/prodcxja/public_html/questions/application/controllers/Questions.php
Line: 433
Function: view

File: /home/prodcxja/public_html/questions/index.php
Line: 315
Function: require_once

name Punditsdkoslkdosdkoskdo

Validate url parameters in php [closed]

I would say to use these rules:

RewriteRule ^([a-z0-9]+)/?$ page.php?page=$1 [L,NC]
RewriteRule ^property/([0-9]+)/?$ property.php?pid=$1 [L,NC]

this way if someone enters any characters other than letters and numbers (for pages) and numbers (for property) it will show a page not found.

If you want really to be sure, you can

$page = mysql_real_escape_string($_GET['page']); just make sure your database connection is open and you can cast the pid like $propertyid = (int)$_GET['pid'];

  • 15
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i think with page parameter you should have a list of acept pages, then after get 'page', you check if 'page' is in accept list. For example :

$arr_pages = ('page1','page2','page3');
$page = $_GET['page'];
// do some thing
 // page not found

And id :

$propertyid = intval($_GET['pid']);

hope this help :)

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Warm tip !!!

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