Refactor PHP init code.

src/_h5ai/server/php/inc/class-bootstrap.php

@@ -1,8 +1,28 @@
 <?php
 
-class Setup {
+class Bootstrap {
+
+    public static function run() {
+
+        Bootstrap::setup();
+
+        $app = new App();
+        if (Util::has_request_param("action")) {
+            $api = new Api($app);
+            $api->apply();
+        } else {
+            define("FALLBACK", $app->get_fallback());
+            normalized_require_once("page");
+        }
+    }
+
+
+    public static function setup() {
+
+        if (defined("NAME")) {
+            return;
+        }
 
-    public static function init() {
 
         // MISC
         putenv("LANG=en_US.UTF-8");

src/_h5ai/server/php/index.php

@@ -21,13 +21,4 @@ function __autoload($class_name) {
     normalized_require_once("class-" . strtolower($class_name));
 }
 
-Setup::init();
+Bootstrap::run();
-$app = new App();
-
-if (Util::has_request_param("action")) {
-    $api = new Api($app);
-    $api->apply();
-} else {
-    define("FALLBACK", $app->get_fallback());
-    normalized_require_once("page");
-}