has() has(string $var) : boolean Check if a specific environment variable exists. Parameters string $var The name of the variable to check Returns boolean
get() get(string $var) : mixed Get a specific environment variable. Parameters string $var The name of the variable to retrieve Returns mixed
set() set(string $var, string|integer|boolean $value) : void Override an environment variable. Parameters string $var The name of the variable to set string|integer|boolean $value The value of the environment variable