Online PHP Function(s){ #Test PHP functions online!; }

  •  
 

getenv

(PHP 4, PHP 5)

getenvGets the value of an environment variable

Description

string getenv ( string $varname )

Gets the value of an environment variable.

You can see a list of all the environmental variables by using phpinfo(). Many of these variables are listed within » RFC 3875, specifically section 4.1, "Request Meta-Variables".

More info
Hide info

Parameters

varname

The variable name.

Return Values

Returns the value of the environment variable varname, or FALSE if the environment variable varname does not exist.

Examples

Example #1 getenv() Example

<?php
// Example use of getenv()
$ip getenv('REMOTE_ADDR');

// Or simply use a Superglobal ($_SERVER or $_ENV)
$ip $_SERVER['REMOTE_ADDR'];
?>

See Also

  • putenv() - Sets the value of an environment variable
  • apache_getenv() - Get an Apache subprocess_env variable
  • Superglobals

 

 

 


Comments

 
 
      © 2017 OnlinePHPFunctions.com | Disclaimer |       PHP versions: 7.1.0, 7.0.14, 7.0.5, 7.0.4, 7.0.3, 7.0.2, 7.0.1, 5.6.29, 5.6.20, 5.6.19, 5.6.18, 5.6.17, 5.6.2, 5.5.34, 5.5.33, 5.5.32, 5.5.31, 5.5.18, 5.5.5, 5.5.0.a6, 5.5.0.a.5, 5.5.0.a.2, 5.4.34, 5.4.21, 5.4.13, 5.4.12, 5.4.11, 5.4.10, 5.4.9, 5.4.8, 5.4.7, 5.4.6, 5.4.5, 5.4.4, 5.4.3, 5.4.2, 5.4.1, 5.4.0, 5.3.29, 5.3.27, 5.3.23, 5.3.22, 5.3.21, 5.3.20, 5.3.19, 5.3.18, 5.3.17, 5.3.16, 5.3.15, 5.3.14, 5.3.13, 5.3.12, 5.3.11, 5.3.10, 5.3.2, 5.3.1, 5.3.0, 5.2.17, 5.2.16, 5.1.6, 5.1.5, 5.0.5, 5.0.4, 4.4.9