apache_setenv — Setting Apache Subprocess Environment Variables in PHP
The article explains the PHP function apache_setenv, detailing its purpose, parameters, return values, and provides a clear example of how to set an Apache environment variable for a subprocess.
The apache_setenv() function in PHP sets an Apache environment variable for the current request.
Parameters:
variable : the name of the environment variable to set.
value : the value to assign to the variable.
walk_to_top (optional, boolean, default false): whether to apply the variable to the top‑level Apache configuration.
Return value: TRUE on success, FALSE on failure.
Example usage:
<?php
apache_setenv("EXAMPLE_VAR", "Example Value");
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