PHP Redirect with POST data

Question

I did some research on this topic  and there are some experts who have said that it is not possible  so I would like to ask for an alternative solution   My situation   Page A   checkout php  Customer fills in their billing details   Page B   process php  Generate an invoice number and store customer details in database   Page C   thirdparty com  Third Payment Gateway  ONLY ACCEPT POST DATA    Customer fills in their details and sets up their cart in Page A  then POSTs to Page B  Inside process php  store the POSTed data inside the database and generate an invoice number  After that  POST the customer data and invoice number to thirdparty com payment gateway  The problem is doing POST in page B  cURL is able to POST the data to Page C  but the problem is the page didn t redirect to page C  The customer needs to fill in Credit Card details on Page C   The third party payment gateway did give us the API sample  the sample is POST the invoice number together with customer detail  We don t want the system to generate an excess of unwanted invoice numbers   Is there any solution for this  Our current solution is for the customer to fill detail in Page A  then in Page B we create another page showing all the customer details there  where the user can click a CONFIRM button to POST to Page C   Our goal is for customers to only have to click once   Hope my question is clear

User · Answer

Here there is another approach that works for me:

if you need to redirect to another web page (user.php) and includes a PHP variable ($user[0]):

header('Location:./user.php?u_id='.$user[0]);

or

header("Location:./user.php?u_id=$user[0]");

User · Answer

You can let PHP do a POST  but then your php will get the return  with all sorts of complications  I think the simplest would be to actually let the user do the POST   So  kind-of what you suggested  you ll get indeed this part   Customer fill detail in Page A  then in Page B we create another page show all the customer detail there  click a CONFIRM button then POST to Page C   But you can actually do a javascript submit on page B  so there is no need for a click  Make it a  redirecting  page with a loading animation  and you re set

User · Answer

Redirect with POST data           param string  url URL       param array  post data POST data  Example    foo    gt   var    id    gt  123       param array  headers Optional  Extra headers to send       public function redirect post  url  array  data  array  headers   null       params          http    gt           method    gt   POST          content    gt  http build query  data                if   is null  headers          params  http    header             foreach   headers as  k   gt   v           params  http    header       quot  k   v n quot                 ctx   stream context create  params      fp    fopen  url   rb   false   ctx      if   fp        echo  stream get contents  fp       die        else          Error     throw new Exception  quot Error loading   url    php errormsg quot

User · Answer

I know this is an old question  but I have yet another alternative solution with jQuery   var actionForm       lt form gt      action    nextpage php    method    post    append     lt input gt      name    action    value    delete    type    hidden         lt input gt      name    id    value    some id    type    hidden      actionForm submit      The above code uses jQuery to create a form tag  appending hidden fields as post fields  and submit it at last  The page will forward to the form target page with the POST data attached   p s  JavaScript  amp  jQuery are required for this case  As suggested by the comments of the other answers  you can make use of  lt noscript gt  tag to create a standard HTML form in case JS is disabled

User · Answer

I faced similar issues with POST Request where GET Request was working fine on my backend which i am passing my variables etc  The problem lies in there that the backend does a lot of redirects  which didnt work with fopen or the php header methods   So the only way i got it working was to put a hidden form and push over the values with a POST submit when the page is loaded   echo   lt body onload  document redirectform submit    gt          lt form method  POST  action  http   someurl todo php  name  redirectform  style  display none  gt       lt input name  var1  value      var1    gt       lt input name  var2  value      var2    gt       lt input name  var3  value      var3    gt       lt  form gt   lt  body gt

User · Answer

function post path  params  method        method   method     post      Set method to post by default if not specified         var form   document createElement  form        form setAttribute  method   method       form setAttribute  action   path        for var key in params            if params hasOwnProperty key                 var hiddenField   document createElement  input                hiddenField setAttribute  type    hidden                hiddenField setAttribute  name   key               hiddenField setAttribute  value   params key                 form appendChild hiddenField                         document body appendChild form       form submit        Example    post  url    name   Johnny Bravo

User · Answer

I m aware the question is php oriented  but the best way to redirect a POST request is probably using  htaccess  ie   RewriteEngine on RewriteCond   REQUEST URI  string to match in url RewriteCond   REQUEST METHOD  POST RewriteRule        https   domain tld  1  L R 307      Explanation   By default  if you want to redirect request with POST data  browser redirects it via GET with 302 redirect  This also drops all the POST data associated with the request  Browser does this as a precaution to prevent any unintentional re-submitting of POST transaction   But what if you want to redirect anyway POST request with it   s data  In HTTP 1 1  there is a status code for this  Status code 307 indicates that the request should be repeated with the same HTTP method and data  So your POST request will be repeated along with it   s data if you use this status code      SRC

User · Answer

I have another solution that makes this possible  It requires the client be running Javascript  which I think is a fair requirement these days    Simply use an AJAX request on Page A to go and generate your invoice number and customer details in the background  your previous Page B   then once the request gets returned successfully with the correct information - simply complete the form submission over to your payment gateway  Page C    This will achieve your result of the user only clicking one button and proceeding to the payment gateway  Below is some pseudocode  HTML    lt form id  paymentForm  method  post  action  https   example com  gt     lt input type  hidden  id  customInvoiceId         gt     lt input type  hidden         gt      lt input type  submit  id  submitButton    gt   lt  form gt    JS  using jQuery for convenience but trivial to make pure Javascript        submitButton   click function e      e preventDefault      This will prevent form from submitting      Do some stuff like build a list of things being purchased and customer details      getJSON  setupOrder php    listOfProducts  products  customerDetails  details    function data      if   data error            paymentForm  customInvoiceID   val data id           paymentForm   submit        Send client to the payment processor

User · Answer

There is a simple hack  use   SESSION and create an array of the posted values  and once you go to the File C php you can use it then do you process after that destroy it

User · Answer

SESSION is your friend if you don t want to mess with Javascript  Let s say you re trying to pass an email   On page A      Start the session session start        Set session variables   SESSION  email      awesome email com    header  Location  page b php      And on Page B      Start the session session start        Show me the session    echo   lt pre gt    print r   SESSION   echo   lt  pre gt      To destroy the session  unset   SESSION  email     session destroy

User · Answer

You can use sessions to save   POST data  then retrieve that data and set it to   POST on the subsequent request   User submits request to  dirty-submission-url php Do   if  session status     PHP SESSION ACTIVE session start           SESSION  POST       POST    header  Location   clean-url    exit    Then the browser redirects to and requests  clean-submission-url from your server  You will have some internal routing to figure out what to do with this  At the beginning of the request  you will do   if  session status     PHP SESSION ACTIVE session start    if  isset   SESSION  POST            POST     SESSION  POST        unset   SESSION  POST         Now  through the rest of your request  you can access   POST as you could upon the first request

User · Answer

Generate a form on Page B with all the required data and action set to Page C and submit it with JavaScript on page load  Your data will be sent to Page C without much hassle to the user    This is the only way to do it  A redirect is a 303 HTTP header that you can read up on http   www w3 org Protocols rfc2616 rfc2616-sec10 html  but I ll quote some of it      The response to the request can be   found under a different URI and SHOULD   be retrieved using a GET method on   that resource  This method exists   primarily to allow the output of a   POST-activated script to redirect the   user agent to a selected resource  The   new URI is not a substitute reference   for the originally requested resource    The 303 response MUST NOT be cached    but the response to the second    redirected  request might be   cacheable    The only way to achieve what you re doing is with a intermediate page that sends the user to Page C  Here s a small simple snippet on how you can achieve that    lt form id  myForm  action  Page C php  method  post  gt   lt  php     foreach    POST as  a   gt   b            echo   lt input type  hidden  name    htmlentities  a     value    htmlentities  b     gt            gt   lt  form gt   lt script type  text javascript  gt      document getElementById  myForm   submit     lt  script gt    You should also have a simple  confirm  form inside a noscript tag to make sure users without Javascript will be able to use your service

User · Answer

Try this    Send data and request with http header in page B to redirect to Gateway   lt  php  host    www example com    path     path to script php    data    data1 value1 amp data2 value2    data   urlencode  data    header  POST  path HTTP 1 1  r       header  Host   host  r       header  Content-type  application x-www-form-urlencoded  r       header  Content-length      strlen  data       r       header  Connection  close  r    r       header  data     gt    Additional Headers    Accept        User-Agent  Mozilla 5 0  Windows NT 6 3  Win64  x64  AppleWebKit 537 36  KHTML  like  Gecko  Chrome 74 0 3729 169 Safari 537 36

[php] PHP Redirect with POST data

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