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[Macemore]

I love the code ryan =D but i have one question, how can i add multiple links as in a navigational system without adding it lots of times, and manually? Going to use it anyways though.

what you could do is set the page that ?page=blah do something like this:

<?php
include('thefirstpageIwant.html');
include('ohwaitIwantanotherone.html');
?>

 

[Savallusion]

what you could do is set the page that ?page=blah do something like this:

<?php
include('thefirstpageIwant.html');
include('ohwaitIwantanotherone.html');
?>

I meant, how can i add multiple links via a MySQL database, something like that. But i've figured an answer for my question ages ago. But thanks anyways.

 

[xenogfx]

You can also do:

<?php
$pages_arr = array( "home", "about", "contact", "services" );
$page = strip_tags( $_GET['page'] );
if( !in_array( $page, $pages_arr ) )
{
echo "Invalid page!";
}
else
{
include( strtolower( $page ) . ".php" );
}
?>

thats better your last code was bad...due to the RFI or LFI in it LMFAO...

 

[Markshall]

thats better your last code was bad...due to the RFI or LFI in it LMFAO...

Yes, I know. I purposely put the RFI and LFI injected code in to show people how not to do it...

 

[Heaplink]

Remember (always) use urlencode to secure your $_GET parameters! Example like this:

$page = urlencode($_GET['page']);

int_val($news_id)===(int)$news_id​

A nice feature is also, when you only wan't to parse integer (numbers) instead of string (text) do this:

$id = urlencode($_GET['id');
 
if(intval($id) === (int)$id) // checks if $id is a integer
{
// Do your stuff here...
}

You may ask Why not just use is_numeric? Because intval attempts to convert the string to a integer. is_numeric just return true or false. They do different things, so if the number you thought you typed really was outputted as string (for some reason) is_numeric will just not run the code that you wan't.