diff --git a/src/_h5ai/client/js/inc/core/server.js b/src/_h5ai/client/js/inc/core/server.js
index 528c943c..ba215526 100644
--- a/src/_h5ai/client/js/inc/core/server.js
+++ b/src/_h5ai/client/js/inc/core/server.js
@@ -1,46 +1,53 @@
 
 modulejs.define('core/server', ['$', '_', 'config', 'core/location'], function ($, _, config, location) {
 
-	var server = _.extend({}, config.server, {
+	var server = {
 
-		request: function (data, callback) {
+			backend: config.setup.BACKEND,
+			api: config.setup.API === true,
+			name: config.setup.SERVER_NAME,
+			version: config.setup.SERVER_VERSION,
 
-			if (server.api) {
-				$.ajax({
-					url: location.getAbsHref(),
-					data: data,
-					type: 'POST',
-					dataType: 'json',
-					success: function (json) {
+			request: function (data, callback) {
 
-						callback(json);
-					},
-					error: function () {
+				if (server.api) {
+					$.ajax({
+						url: location.getAbsHref(),
+						data: data,
+						type: 'POST',
+						dataType: 'json',
+						success: function (json) {
 
-						callback();
-					}
-				});
-			} else {
-				callback();
+							callback(json);
+						},
+						error: function () {
+
+							callback();
+						}
+					});
+				} else {
+					callback();
+				}
+			},
+
+			formRequest: function (data) {
+
+				if (server.api) {
+					var $form = $('<form method="post" style="display:none;"/>')
+									.attr('action', location.getAbsHref());
+
+					_.each(data, function (val, key) {
+
+						$('<input type="hidden"/>')
+							.attr('name', key)
+							.attr('value', val)
+							.appendTo($form);
+					});
+
+					$form.appendTo('body').submit().remove();
+				}
 			}
-		},
-
-		formRequest: function (data) {
-
-			var $form = $('<form method="post" style="display:none;"/>')
-							.attr('action', location.getAbsHref());
-
-			_.each(data, function (val, key) {
-
-				$('<input type="hidden"/>')
-					.attr('name', key)
-					.attr('value', val)
-					.appendTo($form);
-			});
-
-			$form.appendTo('body').submit().remove();
-		}
-	});
+		};
 
 	return server;
 });
diff --git a/src/_h5ai/client/js/inc/ext/custom.js b/src/_h5ai/client/js/inc/ext/custom.js
index e2cc27a2..613165e5 100644
--- a/src/_h5ai/client/js/inc/ext/custom.js
+++ b/src/_h5ai/client/js/inc/ext/custom.js
@@ -5,9 +5,9 @@ modulejs.define('ext/custom', ['_', '$', 'core/settings', 'core/server', 'core/e
 			enabled: false
 		}, allsettings.custom),
 
-		onLocationChanged = function () {
+		onLocationChanged = function (item) {
 
-			server.request({action: 'get', custom: true}, function (response) {
+			server.request({action: 'get', custom: true, customHref: item.absHref}, function (response) {
 
 				var h, f;
 				if (response) {
diff --git a/src/_h5ai/client/js/inc/info.js b/src/_h5ai/client/js/inc/info.js
index e127ff57..12e1c91f 100644
--- a/src/_h5ai/client/js/inc/info.js
+++ b/src/_h5ai/client/js/inc/info.js
@@ -1,7 +1,22 @@
 
-modulejs.define('info', ['$'], function ($) {
+modulejs.define('info', ['$', 'config'], function ($, config) {
 
-	var setCheckResult = function (el, result) {
+	var map = function (setup) {
+
+			return {
+				'php_version': setup['HAS_PHP_VERSION'],
+				'cache_dir': setup['HAS_WRITABLE_CACHE'],
+				'image_thumbs': setup['HAS_PHP_JPG'],
+				'exif_thumbs': setup['HAS_PHP_EXIF'],
+				'movie_thumbs': setup['HAS_CMD_FFMPEG'] || setup['HAS_CMD_AVCONV'],
+				'pdf_thumbs': setup['HAS_CMD_CONVERT'],
+				'shell_tar': setup['HAS_CMD_TAR'],
+				'shell_zip': setup['HAS_CMD_ZIP'],
+				'folder_sizes': setup['HAS_CMD_DU']
+			};
+		},
+
+		setValue = function (el, result) {
 
 			var $result = $(el).find('.result');
 
@@ -14,17 +29,16 @@ modulejs.define('info', ['$'], function ($) {
 
 		init = function () {
 
-			$.getJSON('server/php/index.php', {action: 'get', checks: true}, function (json) {
+			var setup = config.setup,
+				values = map(setup);
 
-				if (json) {
-					$('.idx-file .value').text(json.checks['path_index']);
-					$('.test').each(function () {
+			$('.test').each(function () {
 
-						setCheckResult(this, json.checks[$(this).data('id')]);
-					});
-					$('.test.php .result').text(json.checks['php_version']);
-				}
+				setValue(this, values[$(this).data('id')]);
 			});
+
+			$('.idx-file .value').text(setup['INDEX_URL']);
+			$('.test.php .result').text(setup['PHP_VERSION']);
 		};
 
 	init();
diff --git a/src/_h5ai/client/js/scripts.js b/src/_h5ai/client/js/scripts.js
index 7b454a7c..24fa44dd 100644
--- a/src/_h5ai/client/js/scripts.js
+++ b/src/_h5ai/client/js/scripts.js
@@ -31,27 +31,29 @@
 	// @include "inc/**/*.js"
 
 	var	$ = jQuery,
-		mode = $('script[src$="scripts.js"]').data('mode');
+		mode = $('script[src$="scripts.js"]').data('mode'),
+		url = '.',
+		module = 'main';
 
 	if ($('html').hasClass('no-browser')) {
-
-	} else if (mode === 'info') {
-
-		$(function () { modulejs.require('info'); });
-
-	} else {
-
-		$.ajax({
-			url: '.',
-			data: {action: 'get', options: true, types: true, langs: true, server: true},
-			type: 'POST',
-			dataType: 'json',
-			success: function (config) {
-
-				modulejs.define('config', config);
-				$(function () { modulejs.require('main'); });
-			}
-		});
+		return;
 	}
 
+	if (mode === 'info') {
+		url = 'server/php/index.php';
+		module = 'info';
+	}
+
+	$.ajax({
+		url: url,
+		data: {action: 'get', setup: true, options: true, types: true, langs: true},
+		type: 'POST',
+		dataType: 'json',
+		success: function (config) {
+
+			modulejs.define('config', config);
+			$(function () { modulejs.require(module); });
+		}
+	});
+
 }());
diff --git a/src/_h5ai/index.html.jade b/src/_h5ai/index.html.jade
index 8bf0e8cb..ee42865e 100644
--- a/src/_h5ai/index.html.jade
+++ b/src/_h5ai/index.html.jade
@@ -8,7 +8,7 @@ html.no-js.browser( lang="en" )
 	head
 		meta( charset="utf-8" )
 		meta( http-equiv="X-UA-Compatible", content="IE=edge,chrome=1" )
-		title {{pkg.name}} {{pkg.version}} server details
+		title {{pkg.name}} {{pkg.version}} Server Setup
 		meta( name="description", content="{{pkg.name}} server details" )
 		meta( name="viewport", content="width=device-width" )
 		link( rel="shortcut icon", href="client/images/app-16x16.ico" )
@@ -27,28 +27,28 @@ html.no-js.browser( lang="en" )
 			a( href="http://larsjung.de/h5ai/" ) {{pkg.name}}
 		span.build-version version {{pkg.version}}
 		span.build-stamp {{stamp}}
-		span.idx-file Index File: 
+		span.idx-file Index: 
 			code.value
 
-		h2 Server Details
+		h2 Server Setup
 		ul#tests
-			li.test.php( data-id="php_version_supported" )
+			li.test.php( data-id="php_version" )
 				span.label PHP version
 				span.result ?
 				div.info PHP version &gt;= 5.3.0
-			li.test( data-id="path_cache_writable" )
+			li.test( data-id="cache_dir" )
 				span.label Cache directory
 				span.result ?
 				div.info Web server has write access
-			li.test( data-id="php_jpg" )
+			li.test( data-id="image_thumbs" )
 				span.label Image thumbs
 				span.result ?
 				div.info PHP GD extension with JPEG support available
-			li.test( data-id="php_exif" )
+			li.test( data-id="exif_thumbs" )
 				span.label Use EXIF thumbs
 				span.result ?
 				div.info PHP EXIF extension available
-			li.test( data-id="cmd_ffmpeg_or_avconv" )
+			li.test( data-id="movie_thumbs" )
 				span.label Movie thumbs
 				span.result ?
 				div.info
@@ -57,28 +57,28 @@ html.no-js.browser( lang="en" )
 					|  or 
 					code avconv
 					|  available
-			li.test( data-id="cmd_convert" )
+			li.test( data-id="pdf_thumbs" )
 				span.label PDF thumbs
 				span.result ?
 				div.info
 					| Command line program 
 					code convert
 					|  available
-			li.test( data-id="cmd_tar" )
+			li.test( data-id="shell_tar" )
 				span.label Shell tar
 				span.result ?
 				div.info
 					| Command line program 
 					code tar
 					|  available
-			li.test( data-id="cmd_zip" )
+			li.test( data-id="shell_zip" )
 				span.label Shell zip
 				span.result ?
 				div.info
 					| Command line program 
 					code zip
 					|  available
-			li.test( data-id="cmd_du" )
+			li.test( data-id="folder_sizes" )
 				span.label Folder sizes
 				span.result ?
 				div.info
diff --git a/src/_h5ai/server/php/inc/Api.php b/src/_h5ai/server/php/inc/class-api.php
similarity index 87%
rename from src/_h5ai/server/php/inc/Api.php
rename to src/_h5ai/server/php/inc/class-api.php
index b9f855b4..914ff0a4 100644
--- a/src/_h5ai/server/php/inc/Api.php
+++ b/src/_h5ai/server/php/inc/class-api.php
@@ -22,6 +22,12 @@ class Api {
 
 			$response = array();
 
+			if (has_request_param("setup")) {
+
+				use_request_param("setup");
+				$response["setup"] = $this->app->get_setup();
+			}
+
 			if (has_request_param("options")) {
 
 				use_request_param("options");
@@ -48,32 +54,20 @@ class Api {
 				$response["l10n"] = $this->app->get_l10n($iso_codes);
 			}
 
-			if (has_request_param("checks")) {
-
-				use_request_param("checks");
-				$response["checks"] = $this->app->get_server_checks();
-			}
-
-			if (has_request_param("server")) {
-
-				use_request_param("server");
-				$response["server"] = $this->app->get_server_details();
-			}
-
 			if (has_request_param("custom")) {
 
 				use_request_param("custom");
-				$abs_href = use_request_param("customHref", null);
-				$response["custom"] = $this->app->get_customizations($abs_href);
+				$url = use_request_param("customHref");
+				$response["custom"] = $this->app->get_customizations($url);
 			}
 
 			if (has_request_param("items")) {
 
 				use_request_param("items");
-				$abs_href = use_request_param("itemsHref", null);
-				$what = use_request_param("itemsWhat", null);
+				$url = use_request_param("itemsHref");
+				$what = use_request_param("itemsWhat");
 				$what = is_numeric($what) ? intval($what, 10) : 1;
-				$response["items"] = $this->app->get_items($abs_href, $what);
+				$response["items"] = $this->app->get_items($url, $what);
 			}
 
 			if (count($_REQUEST)) {
@@ -90,7 +84,7 @@ class Api {
 				json_fail(1, "thumbnails disabled");
 			}
 
-			normalized_require_once("Thumb.php");
+			normalized_require_once("class-thumb");
 			if (!Thumb::is_supported()) {
 				json_fail(2, "thumbnails not supported");
 			}
@@ -119,7 +113,7 @@ class Api {
 			$type = use_request_param("type");
 			$hrefs = use_request_param("hrefs");
 
-			normalized_require_once("Archive.php");
+			normalized_require_once("class-archive");
 			$archive = new Archive($this->app);
 
 			$hrefs = explode("|:|", trim($hrefs));
diff --git a/src/_h5ai/server/php/inc/App.php b/src/_h5ai/server/php/inc/class-app.php
similarity index 79%
rename from src/_h5ai/server/php/inc/App.php
rename to src/_h5ai/server/php/inc/class-app.php
index b6af8c74..3d02ce31 100644
--- a/src/_h5ai/server/php/inc/App.php
+++ b/src/_h5ai/server/php/inc/class-app.php
@@ -20,6 +20,14 @@ class App {
 	}
 
 
+	public function get_setup() {
+
+		$consts = get_defined_constants(true)['user'];
+		$consts['PHP_VERSION'] = PHP_VERSION;
+		return $consts;
+	}
+
+
 	public function to_url($path, $trailing_slash = true) {
 
 		$rel_path = substr($path, strlen(ROOT_PATH));
@@ -232,56 +240,6 @@ class App {
 	}
 
 
-	public function get_server_checks() {
-
-		$results = array();
-
-		$results["path_index"] = INDEX_URL;
-		$results["path_cache_writable"] = @is_writable(CACHE_PATH);
-		$results["php_version"] = PHP_VERSION;
-		$results["php_version_supported"] = IS_PHP_VERSION_SUPPORTED;
-		$results["php_exif"] = function_exists("exif_thumbnail");
-
-		$php_jpg = false;
-		if (function_exists("gd_info")) {
-			$infos = gd_info();
-			$php_jpg = array_key_exists("JPG Support", $infos) && $infos["JPG Support"] || array_key_exists("JPEG Support", $infos) && $infos["JPEG Support"];
-		}
-		$results["php_jpg"] = $php_jpg;
-
-		$check_cmd = IS_WIN_OS ? "which" : "command -v";
-		foreach (array("tar", "zip", "convert", "ffmpeg", "avconv", "du") as $cmd) {
-			$results["cmd_" . $cmd] = @preg_match("#" . $cmd . "(.exe)?$#i", exec_cmd($check_cmd . " " . $cmd)) > 0;
-		}
-		$results["cmd_ffmpeg_or_avconv"] = $results["cmd_ffmpeg"] || $results["cmd_avconv"];
-
-		$results["is_win_os"] = IS_WIN_OS;
-		$results["is_supported_php"] = IS_PHP_VERSION_SUPPORTED;
-		$results["server_name"] = SERVER_NAME;
-		$results["server_version"] = SERVER_VERSION;
-		$results["app_url"] = APP_URL;
-		$results["app_path"] = APP_PATH;
-		$results["root_url"] = ROOT_URL;
-		$results["root_path"] = ROOT_PATH;
-		$results["current_url"] = CURRENT_URL;
-		$results["current_path"] = CURRENT_PATH;
-		$results["options"] = $this->options;
-
-		return $results;
-	}
-
-
-	public function get_server_details() {
-
-		return array(
-			"backend" => "php",
-			"api" => true,
-			"name" => SERVER_NAME,
-			"version" => SERVER_VERSION
-		);
-	}
-
-
 	public function get_customizations($url) {
 
 		if (!$this->options["custom"]["enabled"]) {
diff --git a/src/_h5ai/server/php/inc/Archive.php b/src/_h5ai/server/php/inc/class-archive.php
similarity index 100%
rename from src/_h5ai/server/php/inc/Archive.php
rename to src/_h5ai/server/php/inc/class-archive.php
diff --git a/src/_h5ai/server/php/inc/Item.php b/src/_h5ai/server/php/inc/class-item.php
similarity index 90%
rename from src/_h5ai/server/php/inc/Item.php
rename to src/_h5ai/server/php/inc/class-item.php
index 531508c7..94d437da 100644
--- a/src/_h5ai/server/php/inc/Item.php
+++ b/src/_h5ai/server/php/inc/class-item.php
@@ -2,8 +2,6 @@
 
 class Item {
 
-	private static $FOLDER_SIZE_CMD = "du -sk [DIR]";
-
 	public static function cmp($item1, $item2) {
 
 		if ($item1->is_folder && !$item2->is_folder) {
@@ -57,8 +55,8 @@ class Item {
 			$this->size = null;
 			$options = $app->get_options();
 			if ($options["foldersize"]["enabled"]) {
-				$cmd = str_replace("[DIR]", escapeshellarg($this->path), Item::$FOLDER_SIZE_CMD);
-				$this->size = intval(preg_replace("#\s.*$#", "", exec_cmd($cmd)), 10) * 1024;
+				$cmdv = array("du", "-sk", $this->path);
+				$this->size = intval(preg_replace("#\s.*$#", "", exec_cmdv($cmdv)), 10) * 1024;
 			}
 		} else {
 			$this->size = @filesize($this->path);
diff --git a/src/_h5ai/server/php/inc/Thumb.php b/src/_h5ai/server/php/inc/class-thumb.php
similarity index 95%
rename from src/_h5ai/server/php/inc/Thumb.php
rename to src/_h5ai/server/php/inc/class-thumb.php
index 5def0a58..2412046f 100644
--- a/src/_h5ai/server/php/inc/Thumb.php
+++ b/src/_h5ai/server/php/inc/class-thumb.php
@@ -93,6 +93,14 @@ class Thumb {
 		$capture_path = $this->thumbs_path . "/capture-" . sha1($source_path) . ".jpg";
 
 		if (!file_exists($capture_path) || filemtime($source_path) >= filemtime($capture_path)) {
+
+			// if ($type === "mov") {
+			// 	$cmdv = array("ffmpeg", "-ss", "0:01:00", "-i", $source_path, "-an", "-vframes", "1", $capture_path);
+			// 	$cmdv = array("avconv", "-ss", "0:01:00", "-i", $source_path, "-an", "-vframes", "1", $capture_path);
+			// } else if ($type === "doc") {
+			// 	$cmdv = array("convert", "-strip", $source_path, $capture_path);
+			// }
+
 			$cmd = str_replace("[SOURCE]", escapeshellarg($source_path), $cmd);
 			$cmd = str_replace("[TARGET]", escapeshellarg($capture_path), $cmd);
 			exec_cmd($cmd);
diff --git a/src/_h5ai/server/php/inc/main.php b/src/_h5ai/server/php/inc/setup.php
similarity index 51%
rename from src/_h5ai/server/php/inc/main.php
rename to src/_h5ai/server/php/inc/setup.php
index bc3a8d02..b1107745 100644
--- a/src/_h5ai/server/php/inc/main.php
+++ b/src/_h5ai/server/php/inc/setup.php
@@ -1,26 +1,33 @@
 <?php
 
 
-
-function refl($id, $obj) {
-
-	$s = "<pre class='refl'>";
-	$s .= $id . "  " . var_export($obj, true);
-	$s .= "</pre>\n";
-	echo($s);
-}
+function setup() {
 
 
-function init() {
-
+	// MISC
 	putenv("LANG=en_US.UTF-8");
+	setlocale(LC_CTYPE, "en_US.UTF-8");
 	date_default_timezone_set("UTC");
 
+	define("BACKEND", "PHP");
+	define("API", true);
+	define("MAGIC_SEQUENCE", "={{pkg.name}}=");
+	define("FILE_PREFIX", "_{{pkg.name}}");
+
+
+	// PHP
 	define("MIN_PHP_VERSION", "5.3.0");
-	define("IS_PHP_VERSION_SUPPORTED", version_compare(PHP_VERSION, MIN_PHP_VERSION) >= 0);
+	define("HAS_PHP_VERSION", version_compare(PHP_VERSION, MIN_PHP_VERSION) >= 0);
+	define("HAS_PHP_EXIF", function_exists("exif_thumbnail"));
+	$has_php_jpg = false;
+	if (function_exists("gd_info")) {
+		$infos = gd_info();
+		$has_php_jpg = array_key_exists("JPG Support", $infos) && $infos["JPG Support"] || array_key_exists("JPEG Support", $infos) && $infos["JPEG Support"];
+	}
+	define("HAS_PHP_JPG", $has_php_jpg);
 
-	define("IS_WIN_OS", strtolower(substr(PHP_OS, 0, 3)) === "win");
 
+	// SERVER
 	$server_name = null;
 	$server_version = null;
 	$server_software = getenv("SERVER_SOFTWARE");
@@ -30,7 +37,10 @@ function init() {
 	}
 	define("SERVER_NAME", $server_name);
 	define("SERVER_VERSION", $server_version);
+	define("HAS_WIN_OS", strtolower(substr(PHP_OS, 0, 3)) === "win");
 
+
+	// PATHS
 	$script_name = getenv("SCRIPT_NAME");
 	if (SERVER_NAME === "lighttpd") {
 		$script_name = preg_replace("#^.*//#", "/", $script_name);
@@ -52,58 +62,18 @@ function init() {
 	define("CURRENT_URL", $cur_url);
 	define("CURRENT_PATH", $cur_path);
 
-	define("MAGIC_SEQUENCE", "={{pkg.name}}=");
-	define("FILE_PREFIX", "_{{pkg.name}}");
-
 	define("INDEX_URL", normalize_path(APP_URL . "server/php/index.php", false));
+
 	define("CACHE_URL", normalize_path(APP_URL . "cache", true));
 	define("CACHE_PATH", normalize_path(APP_PATH . "/cache", false));
-
-	// refl('DEFINED', array(
-	// 	"PHP_VERSION     " => PHP_VERSION,
-	// 	"PHP_OS          " => PHP_OS,
-	// 	"MIN_PHP_VERSION " => MIN_PHP_VERSION,
-	// 	"IS_PHP_VERSION_SUPPORTED   " => IS_PHP_VERSION_SUPPORTED,
-	// 	"IS_WIN_OS       " => IS_WIN_OS,
-	// 	"SERVER_NAME     " => SERVER_NAME,
-	// 	"SERVER_VERSION  " => SERVER_VERSION,
-	// 	"APP_URL         " => APP_URL,
-	// 	"APP_PATH        " => APP_PATH,
-	// 	"ROOT_URL        " => ROOT_URL,
-	// 	"ROOT_PATH       " => ROOT_PATH,
-	// 	"CURRENT_URL     " => CURRENT_URL,
-	// 	"CURRENT_PATH    " => CURRENT_PATH,
-	// 	"MAGIC_SEQUENCE  " => MAGIC_SEQUENCE,
-	// 	"FILE_PREFIX     " => FILE_PREFIX,
-	// 	"INDEX_URL       " => INDEX_URL,
-	// 	"CACHE_URL       " => CACHE_URL,
-	// 	"CACHE_PATH      " => CACHE_PATH
-	// ));
-	// exit();
-}
-
-init();
-
-normalized_require_once("util.php");
-normalized_require_once("App.php");
-normalized_require_once("Item.php");
-
-$app = new App();
+	define("HAS_WRITABLE_CACHE", @is_writable(CACHE_PATH));
 
 
-if (has_request_param("action")) {
-
-	header("Content-type: application/json;charset=utf-8");
-
-	normalized_require_once("Api.php");
-	$api = new Api($app);
-	$api->apply();
-
-} else {
-
-	header("Content-type: text/html;charset=utf-8");
-	define("FALLBACK", $app->get_fallback());
-	normalized_require_once("page.php");
+	// EXTERNAL COMMANDS
+	foreach (array("tar", "zip", "convert", "ffmpeg", "avconv", "du") as $cmd) {
+		$cmdv = HAS_WIN_OS ? array("which", $cmd) : array("command", "-v", $cmd);
+		define("HAS_CMD_" . strtoupper($cmd), @preg_match("#" . $cmd . "(.exe)?$#i", exec_cmdv($cmdv)) > 0);
+	}
 }
 
 ?>
\ No newline at end of file
diff --git a/src/_h5ai/server/php/inc/util.php b/src/_h5ai/server/php/inc/util.php
index a47cc5ca..65b6c4b2 100644
--- a/src/_h5ai/server/php/inc/util.php
+++ b/src/_h5ai/server/php/inc/util.php
@@ -1,5 +1,6 @@
 <?php
 
+
 function json_exit($obj = array()) {
 
 	$obj["code"] = 0;
@@ -7,6 +8,7 @@ function json_exit($obj = array()) {
 	exit;
 }
 
+
 function json_fail($code, $msg = "", $cond = true) {
 
 	if ($cond) {
@@ -15,12 +17,15 @@ function json_fail($code, $msg = "", $cond = true) {
 	}
 }
 
+
 function has_request_param($key) {
 
 	return array_key_exists($key, $_REQUEST);
 }
 
+
 define("NO_DEFAULT", "__NO_DEFAULT_VALUE__");
+
 function use_request_param($key, $default = NO_DEFAULT) {
 
 	if (!array_key_exists($key, $_REQUEST)) {
@@ -33,16 +38,19 @@ function use_request_param($key, $default = NO_DEFAULT) {
 	return $value;
 }
 
+
 function starts_with($sequence, $head) {
 
 	return substr($sequence, 0, strlen($head)) === $head;
 }
 
+
 function ends_with($sequence, $tail) {
 
 	return substr($sequence, -strlen($tail)) === $tail;
 }
 
+
 function load_commented_json($file) {
 
 	if (!file_exists($file)) {
@@ -57,6 +65,7 @@ function load_commented_json($file) {
 	return json_decode($str, true);
 }
 
+
 function exec_cmd($cmd) {
 
 	$lines = array();
@@ -65,6 +74,7 @@ function exec_cmd($cmd) {
 	return implode("\n", $lines);
 }
 
+
 function passthru_cmd($cmd) {
 
 	$rc = null;
@@ -72,4 +82,45 @@ function passthru_cmd($cmd) {
 	return $rc;
 }
 
+
+function exec_cmdv($cmdv) {
+
+	if (!is_array($cmdv)) {
+		$cmdv = func_get_args();
+	}
+	$cmd = implode(" ", array_map("escapeshellarg", $cmdv));
+	return exec_cmd($cmd);
+}
+
+
+// debug tools
+
+function err_log($message, $obj = null) {
+
+	error_log($message . ": " . var_export($obj, true));
+}
+
+
+function scr_log($message, $obj = null) {
+
+	echo("<pre>" . $message . ": " . var_export($obj, true) . "</pre>\n");
+}
+
+
+global $__TIMER_START, $__TIMER_LAST;
+$__TIMER_START = microtime(true);
+$__TIMER_LAST = $__TIMER_START;
+function time_log($message) {
+
+	global $__TIMER_START, $__TIMER_LAST;
+	$now = microtime(true);
+	if ($__TIMER_START === $__TIMER_LAST) {
+		error_log("-----------------------------");
+		function timer_shutdown() { time_log('ex'); }
+		register_shutdown_function('timer_shutdown');
+	}
+	error_log($message . "    DT " . number_format($now - $__TIMER_LAST, 5) . "    TT " . number_format($now - $__TIMER_START, 5));
+	$__TIMER_LAST = $now;
+}
+
 ?>
\ No newline at end of file
diff --git a/src/_h5ai/server/php/index.php b/src/_h5ai/server/php/index.php
index 3bc97245..7ead7493 100644
--- a/src/_h5ai/server/php/index.php
+++ b/src/_h5ai/server/php/index.php
@@ -8,9 +8,43 @@ function normalize_path($path, $trailing_slash = false) {
 
 function normalized_require_once($lib) {
 
-	require_once(normalize_path(dirname(__FILE__) . "/inc/" . $lib, false));
+	require_once(normalize_path(dirname(__FILE__) . "/inc/${lib}.php", false));
 }
 
-normalized_require_once("main.php");
+normalized_require_once("util");
+normalized_require_once("setup");
+normalized_require_once("class-api");
+normalized_require_once("class-app");
+normalized_require_once("class-archive");
+normalized_require_once("class-item");
+normalized_require_once("class-thumb");
+
+time_log(" 0");
+setup();
+time_log(" 1");
+
+$app = new App();
+
+// time_log(" 2");
+// err_log('setup', $app->get_setup());
+time_log(" 3");
+
+
+if (has_request_param("action")) {
+
+	header("Content-type: application/json;charset=utf-8");
+	time_log("a1");
+	$api = new Api($app);
+	time_log("a2");
+	$api->apply();
+
+} else {
+
+	header("Content-type: text/html;charset=utf-8");
+	time_log("i1");
+	define("FALLBACK", $app->get_fallback());
+	time_log("i2");
+	normalized_require_once("page");
+}
 
 ?>
\ No newline at end of file