PHP function getenv()
Gets the value of an environment variable
Available in PHP 4.0, PHP 7.1
Gets the value of an environment variable
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$varname |
string |
null | The variable name. |
Return values
string
|array|false the value of the environment variable varname or array with all environment variables if no variable name provided, or false on an error.
Additional resources
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