Gets an environment variable from available sources, and provides emulation for unsupported or inconsistent environment variables (i.e. DOCUMENT_ROOT on IIS, or SCRIPT_NAME in CGI mode). Also exposes some additional custom environment information.
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Located at Core/functions.php
env( string $key , string|null $default = null )
||Environment variable name.|
||Specify a default value in case the environment variable is not defined.|
string|nullEnvironment variable setting.