apache_getenv Get an Apache subprocess_env variable &reftitle.description; stringapache_getenv stringvariable boolwalk_to_top Get an Apache environment variable as specified by variable. This function requires Apache 2 otherwise it's undefined. &reftitle.parameters; variable The Apache environment variable walk_to_top The walk_to_top parameter. &reftitle.returnvalues; The value of the Apache environment variable on success, or &false; on failure &reftitle.examples; The example above shows how to retrieve the value of the Apache environment variable SERVER_ADDR. ]]> &example.outputs.similar; &reftitle.seealso; apache_sentenv getenv Superglobals