Read data from HTTP PUT

Question

I am currently implementing a RESTful web service which talks XML using CodeIgniter and REST by Phil Sturgeon. I am now stuck at how to read XML from HTTP PUT. This is what I did.

At the client side:

$(function(){ // Bind a click event to the 'ajax' object id $("#new_user").click(function(evt){ // JavaScript needs totake over. So stop the browser from redirecting the page evt.preventDefault(); var str = '<?xml version="1.0" encoding="UTF-8"?><xml><name>'+$("#txtname").val()+'</name><email>'+$("#txtemail").val()+'</email></xml>'; // Ajax request to get the data $.ajax({ // URL from the link that was clicked on url: $(this).attr("href"), type: "put", contentType: "application/xml", processData: false, data: str, success: function(data, textStatus, jqXHR){ //alert('Successful AJAX request!'); //var items = parseXml(data); //printXml(items); }, // Failed to load request. This could be caused by any number of problems like server issues, bad links, etc. error: function(jqXHR, textStatus, errorThrown){ alert('Oh no! A problem with the Ajax request!'); } }); }); });

At the server side:

public function users_put(){ $input = file_get_contents('php://input'); print_r($input); }

It prints out nothing. The above JavaScript code and function works well in HTTP POST.

I think my problem does not lie in client side's code; but instead at server. because I saw this in developer console of Google Chrome: Request URL:test.localhost/index.php/api/usercomp/users/id/1 Request Method:PUT Request Payload <xml><name>fdfd</name><email>ffff</email></xml> So it means, the xml was sent to server successfully. but i just don't know how to read it. — AmeL
– AmeL, Commented Jul 25, 2011 at 8:52

Tino Didriksen · Accepted Answer · 2011-07-25 12:01:45Z

2

The manual has a good reference for that: http://php.net/manual/en/features.file-upload.put-method.php

You cannot handle PUT requests without altering the HTTP daemon's setup.

If you're using Apache and have access to mod_rewrite, make a .htaccess file in the root folder that you PUT to with something like:

 Options +FollowSymLinks RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ handler.php?uri=$1 [L,QSA]

But the details depend on what HTTP daemon (Apache, IIS, lighttpd, etc) and which PHP framework you use.

edited Jul 25, 2011 at 12:01

answered Jul 25, 2011 at 8:52

Tino Didriksen

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8 Comments

AmeL Over a year ago

do you mean, i need to enable http put in httpd.conf? if you do mean it, well, it still not works in my case.

Tino Didriksen Over a year ago

Read the manual page...it explains how quite well. You need to redirect all PUT requests to a PHP script.

AmeL Over a year ago

I don't think i should do it because the framework already redirect all http method to the exact handler defined in the class.

Tino Didriksen Over a year ago

In that case, I'd say use POST instead. PUT will require some mod_rewrite magic at least, and preferably a config change.

AmeL Over a year ago

Well, that's quite good idea anyway which i already tested it working. but just a noobie question: so there is no real implementation of http PUT handler in RESTful web service?

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Jason Rice · Accepted Answer · 2011-07-28 18:25:47Z

Use POST. Your application will have to determine if the request is a 'PUT' or not. If you specify the id of the object that you are modifying then you can assume it is a 'PUT' request. I'm not sure how CodeIgniter handles this, but I do know that Zend Framework automatically routes to the putAction when the id is specified. (e.g. /account/5)

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