apache_setenv

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

Set an Apache subprocess_env variable

bool apache_setenv ( string $variable, string $value [, bool $walk_to_top = false ] )

apache_setenv() sets the value of the Apache environment variable specified by variable.

Note:

When setting an Apache environment variable, the corresponding $_SERVER variable is not changed.

Parameters:

variable

The environment variable that's being set.

value

The new variable value.

walk_to_top

Whether to set the top-level variable available to all Apache layers.

Returns:

Returns TRUE on success or FALSE on failure.

Notes:

apache_setenv() can be paired up with apache_getenv() across separate pages or for setting variables to pass to Server Side Includes (.shtml) that have been included in PHP scripts.

Examples:

Setting an Apache environment variable using apache_setenv()

<?php
apache_setenv("EXAMPLE_VAR", "Example Value");
?>