How to get the referer URL in PHP and Laravel?

How to get the referer URL in PHP and Laravel? The HTTP referer is an optional HTTP header field that identifies the address of the webpage which is linked to the resource being requested. By checking the referrer, the new webpage can see HttpWebRequest.Referer Property (System.Net) | Microsoft Docs public string Referer { get; set; } member this.Referer : string with get, set Public Property Referer As String Property Value String. The value of the Referer HTTP header. The default value is null. Examples. The following code example sets the Referer property. // Create a 'HttpWebRequest' object. orthography - "Referer" or "referrer" - English Language

CGI Programming 101: Chapter 3: CGI Environment Variables

Overview. Referer spoofing is typically done for data privacy reasons, in testing, or in order to request information (without genuine authority) which some web servers may only supply in response to requests with specific HTTP referers.. To improve their privacy, individual browser users may replace accurate referer data with inaccurate data, though many simply suppress their browser's referer - Wiktionary Jul 05, 2020

The HTTP Referer header is a request-type header that identifies the address of the previous web page, which is linked to the current web page or resource being requested. The usage of this header increases the risk of privacy and security breaches on a website but it allows websites and web servers to identify where the traffic is coming from.

Using the HTTP_REFERER variable with PHP When a web browser moves from one website to another and between pages of a website, it can optionally pass the URL it came from. This is called the HTTP_REFERER, and this post looks at how to use this variable with PHP. Overview of http referers