Post to another page within a PHP script

Question

How can I make a post request to a different php page within a php script  I have one front end computer as the html page server  but when the user clicks a button  I want a backend server to do the processing and then send the information back to the front end server to show the user  I was saying that I can have a php page on the back end computer and it will send the information back to the front end  So once again  how can I do a POST request to another php page  from a php page

User · Answer

Assuming your php install has the CURL extension, it is probably the easiest way (and most complete, if you wish).

Sample snippet:

//set POST variables
$url = 'http://domain.com/get-post.php';
$fields = array(
                      'lname'=>urlencode($last_name),
                      'fname'=>urlencode($first_name),
                      'email'=>urlencode($email)
               );

//url-ify the data for the POST
foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string,'&');

//open connection
$ch = curl_init();

//set the url, number of POST vars, POST data
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_POST, count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);

//execute post
$result = curl_exec($ch);

//close connection
curl_close($ch);

Credits go to http://php.dzone.com. Also, don't forget to visit the appropriate page(s) in the PHP Manual

User · Answer

For those using cURL  note that CURLOPT POST option is taken as a boolean value  so there s actually no need to set it to the number of fields you are POSTing  Setting CURLOPT POST to TRUE  i e  any integer except zero  will just tell cURL to encode the data as application x-www-form-urlencoded  although I bet this is not strictly necessary when you re passing a urlencoded string as CURLOPT POSTFIELDS  since cURL should already tell the encoding by the type of the value  string vs array  which this latter option is set to  Also note that  since PHP 5  you can use the http build query function to make PHP urlencode the fields array for you  like this   curl setopt  ch  CURLOPT POSTFIELDS  http build query  fields

User · Answer

CURL method is very popular so yes it is good to use it  You could also explain more those codes with some extra comments because starters could understand them

User · Answer

For PHP processing  look into cURL  It will allow you to call pages on your back end and retrieve data from it  Basically you would do something like this    ch   curl init    curl setopt  ch  CURLOPT RETURNTRANSFER  1   curl setopt   ch  CURLOPT URL  fetch url   curl setopt   ch  CURLOPT HTTPHEADER   headers   curl setopt   ch CURLOPT USERAGENT   user agent  curl setopt   ch CURLOPT CONNECTTIMEOUT 60    response   curl exec    ch    curl close  ch     You can also look into the PHP HTTP Extension

User · Answer

Like the rest of the users say it is easiest to do this with CURL  If curl isn t available for you then maybe http   netevil org blog 2006 nov http-post-from-php-without-curl If that isn t possible you could write sockets yourself http   petewarden typepad com searchbrowser 2008 06 how-to-post-an html

User · Answer

Possibly the easiest way to make PHP perform a POST request is to use cURL  either as an extension or simply shelling out to another process  Here s a post sample      where are we posting to   url    http   foo com script php       what post fields   fields   array      field1    gt   field1      field2    gt   field2         build the urlencoded data  postvars   http build query  fields       open connection  ch   curl init        set the url  number of POST vars  POST data curl setopt  ch  CURLOPT URL   url   curl setopt  ch  CURLOPT POST  count  fields    curl setopt  ch  CURLOPT POSTFIELDS   postvars       execute post  result   curl exec  ch       close connection curl close  ch     Also check out Zend Http set of classes in the Zend framework  which provides a pretty capable HTTP client written directly in PHP  no extensions required    2014 EDIT - well  it s been a while since I wrote that  These days it s worth checking Guzzle which again can work with or without the curl extension

User · Answer

Solution is in target   blank  like this   http   www ozzu com website-design-forum multiple-form-submit-actions-t25024 html  edit form like this     lt form method  post  action     booking step1 php  onsubmit  doubleSubmit this   gt   And use this script        lt script type  text javascript  gt   lt  -- function doubleSubmit f         submit to action in form   f submit         set second action and submit   f target   blank     f action     booking vytvor php     f submit      return false      -- gt   lt  script gt

User · Answer

index php   url    http    host  test php    json   json encode   name    gt   Jhonn    phone    gt   128000000000       options     http    gt         method    gt   POST        header    gt   Content-type application json        content    gt   json       context   stream context create  options    response   file get contents  url  false   context     test php   raw   file get contents  php   input     data   json decode  raw  true   echo  data  name       Jhonn

User · Answer

Although not ideal  if the cURL option doesn t do it for you  may be try using shell exec

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