apache_setenv Set an Apache subprocess_env variable &reftitle.description; boolapache_setenv stringvariable stringvalue boolwalk_to_top apache_setenv sets the value of the Apache environment variable specified by variable. When setting an Apache environment variable, the corresponding $_SERVER variable is not changed. &reftitle.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. &reftitle.returnvalues; &return.success; &reftitle.examples; ]]> &reftitle.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. &reftitle.seealso; apache_getenv