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Read raw post data, useful for grabbing XML from Flash XmlSocket.

/ Published in: PHP
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Often PHP can't interpret POST data because it is not form-encoded. This is typical when the post data is XML from API's like Flash's XmlSocket. You can use the following methods to read the POST data directly.

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  1. /**
  2.      Using php://input
  3.      -----------------
  4.      Version: 4.3+
  5.      
  6.      Reading [php://input][1] is the preferred method since PHP 4.3.
  7.      
  8.      The Content-Type header of the posted content must _NOT_ be 
  9.      application/x-www.form-urlencoded or multipart/form-data.
  10.      
  11.      For XML you can use the Content-Type: text/xml.
  12.      
  13.       [1]: http://us2.php.net/manual/en/wrappers.php.php
  14.     */
  15.  
  16.     // Make sure the user is posting
  17.     if ( $_SERVER['REQUEST_METHOD'] === 'POST' )
  18.     {
  19.         // Read the input from stdin
  20.         $postText = trim(file_get_contents('php://input'));
  21.     }
  22.  
  23.     /**
  24.      Using $HTTP_RAW_POST_DATA
  25.      -------------------------
  26.      Version 3.0+
  27.      
  28.      __Note__: Reading php://input is preferred.
  29.      
  30.      
  31.      As with php://input, the Content-Type header of the 
  32.      posted content must _NOT_ be application/x-www.form-urlencoded or
  33.      multipart/form-data.     
  34.      
  35.      PHP 4.1+
  36.      ~~~~~~~~
  37.      You can also enable [always-populate-raw-post-data][1] in the php.ini to
  38.      have the value always populated reguardless of Content-Type. However
  39.      since this requires config changes it is less portable.
  40.      
  41.       [1]: http://us2.php.net/manual/en/ini.core.php#ini.always-populate-raw-post-data
  42.     */
  43.     $postText = $GLOBALS['HTTP_RAW_POST_DATA'];

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