if PHP is running as an Apache mod, one function_exists check will suffice; comment code change

Author: GabeMedrash

src/Loader.php

@@ -335,7 +335,9 @@ public function setEnvironmentVariable($name, $value = null)
             return;
         }
 
-        if (function_exists('apache_setenv') && function_exists('apache_getenv') && apache_getenv($name)) {
+        // If PHP is running as an Apache module and an existing
+        // Apache environment variable exists, overwrite it
+        if (function_exists('apache_setenv') && apache_getenv($name)) {
             apache_setenv($name, $value);
         }