putenv
putenv
Sets the value of an environment variable
bool **putenv** string $assignment
Adds to the server environment. The
environment variable will only exist for the duration of the current
request. At the end of the request the environment is restored to its
original state.
assignment
assignment
The setting, like
"FOO=BAR"
return.success
Voorbeeld: Setting an environment variable
<?php
putenv("UNIQID=$uniqid");
?>
getenv``apache_setenv