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What is/are the actual practical difference/s in functioning of the built-in functions setcookie() and setrawcookie() in PHP?
I'm learning one of the most important concept of Cookies in PHP in detail.
While studying Cookies I come to know that "The value of the cookie is automatically URLencoded when sending the cookie, and automatically decoded when received (to prevent URLencoding, use setrawcookie() instead)."
The above statement has created so many doubts in my mind which are as follows :
1. What does actually happen practically by means of "The value of the cookie is automatically URLencoded when sending the cookie, and automatically decoded when received" ?
2. Why there is a need of another function like setrawcookie() when there is already a function setcookie() available for setting the cookie values?
3. Is the process of URL encoding and URL decoding unsafe/harmful/ hazardous/slow/anything else so that it should be avoided?
4. What are the benefits/drawbacks of using setrawcookie() over setcookie()?
5. Which one is safe/better/secure/reliable/etc. setcookie() or setrawcookie()?
6. Can't the cookies be set like other variables like $_COOKIE['cookie_variable'] = 'some_value' instead of using setcookie() or setrawcookie()?
If someone could clear all of my above mentioned doubts with perfect, suitable and easy to understand code examples along with the step-by-step crispy, lucid, easy to grasp explanation it would be of great great help to me.
Thanks.
URL Decode inside Lotusscript agent IBM Domino

How do we do a URL decode on a text recieved from request in an IBM Domino lotusscript agent?

In my java web application I have to construct a URL and then call the URL. While creating the URL I am encoding the parameter value using URLEncoder.encode("text","UTF-8") But when we get the parameter at the receiving end and decode it - it is not decoding properly. I tried setting the encoded value as request attribute this works fine. But can't use it as per client request.

Wrote following code to test URLEncoder & URLDecoder and URLCodec from Apache commons codec functions.

    StringBuffer sb = new StringBuffer("TestSpecialChar'` ~6 Æ æ  Ç  È  123");    //String testCharacters = "TestSpecialChar'` ~6 Æ æ  Ç  È  123";    String testCharacters = sb.toString();    try {        String encoded = URLEncoder.encode(testCharacters, "UTF-8");        System.out.println("URLEncoder : " + encoded);        System.out.println("URLDecoder : " + URLDecoder.decode(encoded, "UTF-8"));    } catch (UnsupportedEncodingException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }    URLCodec urlc = new URLCodec("UTF-8");    try {        String encoded = urlc.encode(testCharacters);        System.out.println("urlc.encode : " + encoded);        System.out.println("urlc.decode : " + urlc.decode(encoded));                } catch (EncoderException ee){        ee.printStackTrace();    } catch (DecoderException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }    try {        String encoded = urlc.encode(testCharacters);        System.out.println("urlc.encode : " + encoded);        System.out.println("URLDecoder : " + URLDecoder.decode(encoded, "UTF-8"));    } catch (UnsupportedEncodingException e) {        // TODO Auto-generated catch block        e.printStackTrace();    } catch (EncoderException ee){        ee.printStackTrace();    }

This code works perfectly. Then I wrote a simple web application where I have two JSP page in which one is calling other with a encoded value in the URL. This is not showing the proper decoded value at the receiver end. Here is the code for your reference.

sender.jsp:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%><%@ page language="java" import="java.net.URLEncoder"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Sender</title><script type="text/javascript">function send(){window.location='<%=request.getContextPath()%>/jsp/receiver.jsp?txt=<%=URLEncoder.encode("TestSpecialChar'` ~6 Æ æ  Ç  È  123","UTF-8")%>';}</script></head><body onload="javascript:send();"></body></html>

receiver.jsp:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"pageEncoding="ISO-8859-1"%><%@ page language="java" import="java.net.URLDecoder"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Receiver</title></head><body><% if (request.getAttribute("encoded") != null){ URLDecoder.decode(request.getAttribute("encoded").toString(),"UTF-8"); }if (request.getParameter("txt") != null){%><%=URLDecoder.decode(request.getParameter("txt").toString(),"UTF-8")%>inside if getparameter<%}%></body></html>

I get following output in the browser

TestSpecialChar'` ~6 Ã† Ã¦ Ã‡ Ãˆ 123 inside if getparameter

instead of

TestSpecialChar'` ~6 Æ æ Ç È 123 inside if getparameter

Can someone please let me know what is wrong in test code and what is difference between request attribute and parameter due to which the attribute is decoded properly whereas parameter does not?

Temp solution:Solved it by doing following things:1) Created a class which would replace some specific characters with UTF 8 code.2) Removed passing of character data as URL parameters.3) Making sure that call to external URL is UTF-8 encoded.4) Any value received from external URL or which in the application is decoded before using the value.

Correct solution:To over come this problem the application has to be designed and coded with i18n in mind and all the JSP page with UTF-8 encoding.

PHP GET parameters automatic urldecode

I have a website that just moved from one server to another. On the old server the get-parameters of a request were automatically 'url decoded'. Now, on my new server, when I try to retrieve a GET parameter I don't get the url decoded value but the encoded value.
Because besides the server nothing in my project changed, this makes me think this is a PHP setting (maybe in php.ini?).
How can I make PHP automatically decode my GET parameter values?

URL encoding and JSF REDIRECT

I must have utf-8 characters in url.

For example there is a string that is to be put in url:

"Hayranlık"

I thought to encode it:

try{        selected=URLEncoder.encode(selected,"UTF-8");    }catch(Exception e){        e.printStackTrace();    }    try {        FacesContext.getCurrentInstance().getExternalContext().redirect("http://" + serverUrl +"/myjsfpage.jsf?param=" + selected );    } catch (IOException e) {        // TODO Auto-generated catch block        e.printStackTrace();    }

I debug it and I see an expected string : Hayranl%C4%B1k%24

In another controller, I must handle it, so I get the url by

HttpServletRequest req = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();        String selected = (String)req.getParameter("param");        if(selected ==null){            //show no result message            return;        }

After that i try to decode it, but "before" decoding, my string that I get from url is something like "HayranlÄ±k$".

try{        selected=URLDecoder.decode(selected,"UTF-8");    }catch(Exception e){        e.printStackTrace();    }

Does JSF redirection cause the problem, or is the browser URL handling the problem?

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