- getenv with $variableName
- getenv with REDIRECT_ . $variableName (this is for php cgi where environment variables from the http server get prefixed)
- $_SERVER[$variableName] (this is an alternative to set FLOW_* environment variables if passing environment variables is not possible)
- $_SERVER[REDIRECT_ . $variableName] (again for php cgi environments)
public static getEnvironmentConfigurationSetting ( string $variableName ) : string | ||
$variableName | string | |
return | string | or NULL if this variable was not set at all. |