Cross Domain Posting using PHP and JavaScript: ITS POSSIBLE!

Well…..finally i have worked out how to post cross-domain data which is restricted by browser’s security policies.
WHAT IS IT??
This will be used for posting AJAX requests via java-script to any web-service or web-page in any DOMAIN and also get back the results from there.
Source: http://amiteighty82.blogspot.com/

HOW TO USE IT ?

Simply use this function in your java script

function jsonp(url, callback, name, query) 
{
if (url.indexOf("?") > -1)
url += "&jsonp="
else
url += "?jsonp="
url += name + "&";
if (query)
url += query+ "&";
url += new Date().getTime().toString(); // prevent caching
var script = document.createElement("script");
script.setAttribute("src", url);
script.setAttribute("type", "text/javascript");
document.body.appendChild(script);
}

CALLING THIS FUNCTION from JavaScript :

jsonp("url of web page to be posted","", "function to be called back to receive result from the page","parameters  to be passed");

eg:

jsonp('http://example.com/test.php', '', 'loadData', "userid=" + userid + "&name=test" );

ON WEB SERVICE :(like on http://example.com/test.php):

<?php
if(isset($_REQUEST['jsonp']) && $_REQUEST['jsonp'] !== '')
{
loadData("Welcome to cross domain posting.)";
}
>?

//callback here is your function (loadData) that should be present on your JavaScript

BACK ON JAVASCRIPT:

loadData(result)
{
alert(result);
}

Which will alert you ‘Welcome to cross domain posting.’ that i have passed from test.php page in another domain.
This is it…
If u have any query plz let me know …….best O” lcuk…:)

Written by Arvind Bhardwaj

Arvind is a certified Magento 2 expert with more than 10 years of industry-wide experience.

Website: http://www.webspeaks.in/

3 thoughts on “Cross Domain Posting using PHP and JavaScript: ITS POSSIBLE!

  1. Man, you forgot deleting the script node afterwards. What if I do, say, 50000 crossdomain requests (think web application here, like Twitter client), I’ll get 50000 nodes in DOM.

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