Php $_server

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    How to get the Current URL in PHP ?

    In PHP,Getting the current URL is a common requirement for various tasks such as building dynamic navigation menus, tracking user activity, or generating links.

    PHP provides several superglobal arrays and functions to retrieve different parts of the URL, including the protocol, domain, path, query parameters, etc.

    Approach

    • Using $_SERVER['REQUEST_URI']: Retrieves the URI (Uniform Resource Identifier) of the current request.
    • Using $_SERVER['HTTP_HOST']: Retrieves the hostname portion of the current URL.
    • Using $_SERVER['QUERY_STRING']: Retrieves the query string portion of the current URL, if present.

    Syntax

    // Get the current URL $currentURL = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]"; echo $currentURL;

    Important Points

    • Ensure proper handling of user input to prevent security vulnerabilities such as XSS (Cross-Site Scripting) attacks.
    • Consider using HTTPS (HTTP Secure) to encrypt data transmitted over the network for enhanced security.

    Difference Between $_SERVER['REQUEST_URI'] and $_SE

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