What is a PHP user agent?
user_agent : It is an optional parameter which specifies the name of an HTTP user agent. Default is the value of $HTTP_USER_AGENT. return_array : It is an optional parameter which returns an array instead of an object if it is set to True.
What is Http_user_agent?
37. The user agent string is a text that the browsers themselves send to the webserver to identify themselves, so that websites can send different content based on the browser or based on browser compatibility.
How do I get http referer in PHP?
$_SERVER[‘HTTP_REFERER’] will give you the referrer page’s URL if there exists any. If users use a bookmark or directly visit your site by manually typing in the URL, http_referer will be empty.
Is User-Agent a header?
The HTTP headers User-Agent is a request header that allows a characteristic string that allows network protocol peers to identify the Operating System and Browser of the web-server. When your browser is connected to a website, a User-Agent field is included in the HTTP header.
What is an example of an user agent?
A user agent is therefore a special kind of software agent. Some prominent examples of user agents are web browsers and email readers. Often, a user agent acts as the client in a client-server system. In some contexts, such as within the Session Initiation Protocol (SIP), the term user agent refers to both end points of a communications session.
What are mobile user agents?
A mobile agent is a software abstraction that can migrate across the network (hence mobile) representing users in various tasks (hence agents). It can communicate in an agent communication language, it is also a computer system in a complex environment that realize a set of tasks and goals it was designed for.
What is user agent identifier?
User Agent Identifier is an add-on to simplify User Agent Identification with our continuously updated user agent parsing library. As automated bots, mobile devices and desktop browsers have exploded into a thousand different forms, it is really difficult to accurately determine just what a given user-agent represents…
What is an User Agent header?
When we need to identify a specific mobile device model.