PHP page redirect

Question

Can PHP make a redirect call after executing a function   I am creating a function on the completion of which I want it to redirect to a file located in the same root folder   Can it be done   if                I am using echo here    else if    SESSION  qnum    gt  10         session destroy        echo  Some error occured           Redirect to  user php

User · Answer

Using a javascript as a failsafe will ensure the user is redirected (even if the headers have already been sent). Here you go:

// $url should be an absolute url
function redirect($url){
    if (headers_sent()){
      die('<script type="text/javascript">window.location=\''.$url.'\';</script??>');
    }else{
      header('Location: ' . $url);
      die();
    }    
}

If you need to properly handle relative paths, I've written a function for that (but that's outside the scope of the question).

User · Answer

I would probably set the message as a session variable  redirect the user to another page which displays the message and destroy the session

User · Answer

You can use this code to redirect in php   lt  php    Redirect browser    header  Location  http   example com        Make sure that code below does not get executed when we redirect     exit    gt

User · Answer

As metioned by nixxx adding ob start   before adding any php code will prevent the headers already sent error   It worked for me  The code below also works  But it first loads the page and then redirects  when I use it   echo   lt META HTTP-EQUIV REFRESH CONTENT  1     redirect url    gt

User · Answer

Yes   In essence  as long as nothing is output  you can do whatever you want  kill a session  remove user cookies  calculate Pi to  n  digits  etc   prior to issuing a location header

User · Answer

header   Location  http   www domain com user php       But you can t first do an echo  and then redirect

User · Answer

actually  I found this in the code of a php based cms   redirect   module blog   0    so it is possible  In this case  you are logged in at the admin level  so no harm no foul  I suppose   the first part is the url  and the second  I can t find any documentation for what the integer is for  but I guess it s either time  or data since it is attached to a form    I  too  wanted to refresh a page after an event  and placing this in a better spot worked out well

User · Answer

Simple way is to use     echo   lt script gt window location href    the-target-page php   lt  script gt

User · Answer

if you want to include the redirect in your php file without necessarily having it at the top  you can activate output buffering at the top  then call redirect from anywhere within the page  Example     lt  php  ob start      first line      do some work here      do some more  header  Location  http   www yourwebsite com user php      exit         do some work here      do some more

User · Answer

Yes  you would use the header function       Redirect browser    header  Location  http   www yourwebsite com user php     exit      It is a good practice to call exit   right after it so that code below it does not get executed   Also  from the documentation      Remember that header   must be called before any actual output is sent  either by normal HTML tags  blank lines in a file  or from PHP  It is a very common error to read code with include    or require    functions  or another file access function  and have spaces or empty lines that are output before header   is called  The same problem exists when using a single PHP HTML file    This means you should not echo anything right before the header   function  as doing so will more than likely throw an error  Also  you will need to verify that this code gets run before any other output as well

User · Answer

The header   function in PHP does this  but make sure that you call it before any other file contents are sent to the browser or else you will receive an error   JavaScript is an alternative if you have already sent the file contents

User · Answer

I serach about this and i find related this answer in   https   stackoverflow com questions 13539752 redirect-function 13539808  function redirect url  path      header  location    path     exit

User · Answer

The header   function does this    header  Location  user php

User · Answer

lt  php      http redirect  relpath   array  name    gt   value    true  HTTP REDIRECT PERM      gt

User · Answer

url  the url you want to go      echo   lt META HTTP-EQUIV REFRESH CONTENT  1     url    gt      this works for me fine

[php] PHP page redirect

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