Pass GET param which is another URL with PHP - Codeigniter 3, Apache

Question

I want to pass URL in GET param like this :

SITE URL/b16ee4f31e17df0d3af5?url=https%3A%2F%2Fwww.facebook.com%2F

I am using urlencode to escape characters, but I see 403 Error for this URL, because of some of the characters in the URL GET parameter in this case the dot character.

If I use CI3 function url_title, it will escape dot characters, but I need them because I need valid url in GET parameter.

How can I pass URL get parameter with in some cases with characters like . & ? \ and other characters which can be found in the standart URL ?

Possible duplicate of How to pass URL in URL (as GET parameter) using PHP? — GSerg
– GSerg, Commented Jan 8, 2017 at 17:14

Jefferson Javier · Accepted Answer · 2017-01-08 17:19:20Z

1

You can change $config['permitted_uri_chars'] in your config file

Leave blank to allow all characters -- but only if you are insane.

Also you can do this:

Step 1: $newurl = urlencode(base64_encode('http://google.com'));

Then you will have a string, pass that string as GET parameter and parse it back using:

$realUrl = base64_decode(urldecode($param1));

Where $param1 means the first param of your controller.

Step 2: add = to your $config['permitted_uri_chars'] in your config file

edited Jan 8, 2017 at 17:19

answered Jan 8, 2017 at 17:11

Jefferson Javier

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Zillur Rahaman Opu · Accepted Answer · 2017-01-10 11:50:44Z

1

$config['permitted_uri_chars'] = 'a-z 0-9~%.:_\-';

add the character what you trying to pass on GET Url. This configure is store on config.php of config folder.

answered Jan 10, 2017 at 11:50

Zillur Rahaman Opu

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SolE-pAt21 · Accepted Answer · 2017-01-08 17:07:13Z

-1

The url has already been encoded(that is if you just copied and pasted it from the address bar) so you can use it with further encoding

answered Jan 8, 2017 at 17:07

SolE-pAt21

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1 Comment

SolE-pAt21 Over a year ago

i meant #without further encoding. You can also urlencode() it on sending and urldecode() on receiving

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