Function env
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.
Link: https://book.cakephp.org/3.0/en/core-libraries/global-constants-and-functions.html#env
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Located at Core/functions.php
Copyright: Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
License: MIT License
Located at Core/functions.php
env( string $key string|null $default null )
Parameters summary
string | $key | Environment variable name. |
string|null | $default = null | Specify a default value in case the environment variable is not defined. |
Returns
-
string|nullEnvironment variable setting.
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https://api.cakephp.org/3.4/function-env.html