Salesforce.com keeps some useful information in URL. It could be used on redirecting page, identifying objects types, switching records, and etc.
Here I am going to show you to to Embedded Salesforce page in WordPress as I have mentioned in my previous post How to get data in Salesforce from WordPress without authentication?
We are going to create a Visualforce Page, and make it available in WordPress.
When I am testing a Salesforce REST with Chrome, it was displayed in XML format. Therefore, I try to use SimpleXML with PHP to parse but never work. It is not SOAP and has nothing wrong with xmlsns (XML name space), neither.