diff --git a/backend/index.php b/backend/index.php
index a63cd752e..0a246aefd 100644
--- a/backend/index.php
+++ b/backend/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /backend shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/backend';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../error.php';
diff --git a/bin/index.php b/bin/index.php
index c0a6c926e..f3e722c02 100644
--- a/bin/index.php
+++ b/bin/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /bin shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/bin';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../error.php';
diff --git a/conferences/index.php b/conferences/index.php
index d63202fdf..14daf183c 100644
--- a/conferences/index.php
+++ b/conferences/index.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'conferences/index.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/pregen-news.inc';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../include/pregen-news.inc';
 
 
 mirror_setcookie("LAST_NEWS", $_SERVER["REQUEST_TIME"], 60*60*24*365);
diff --git a/error.php b/error.php
index 3cf8b6ccb..5ec75cb1d 100644
--- a/error.php
+++ b/error.php
@@ -149,7 +149,7 @@ if (preg_match("!^get/([^/]+)/from/([^/]+)(/mirror)?$!", $URI, $dlinfo)) {
     }
 
     // Start the download process
-    include $_SERVER['DOCUMENT_ROOT'] . "/include/do-download.inc";
+    include __DIR__ . "/include/do-download.inc";
     $filename = get_actual_download_file($df);
     if ($filename) {
         status_header(200);
@@ -157,7 +157,7 @@ if (preg_match("!^get/([^/]+)/from/([^/]+)(/mirror)?$!", $URI, $dlinfo)) {
     } else {
         status_header(404);
         /* The file didn't exist on this server.. ask the user to pick another mirror */
-        include $_SERVER['DOCUMENT_ROOT'] . "/include/get-download.inc";
+        include __DIR__ . "/include/get-download.inc";
     }
     exit;
 }
diff --git a/images/elephpants.php b/images/elephpants.php
index be39aa54c..4b51650eb 100644
--- a/images/elephpants.php
+++ b/images/elephpants.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 
 $now = $_SERVER["REQUEST_TIME"];
 if (isset($_SERVER["HTTP_IF_MODIFIED_SINCE"])) {
diff --git a/images/index.php b/images/index.php
index 8e046b4d9..9e64d3ff5 100644
--- a/images/index.php
+++ b/images/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /images shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/images';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../error.php';
diff --git a/images/supported-versions.php b/images/supported-versions.php
index f6363887b..4b29f23d8 100644
--- a/images/supported-versions.php
+++ b/images/supported-versions.php
@@ -1,6 +1,6 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/branches.inc';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../include/branches.inc';
 
 // Sizing constants.
 $margin_left = 80;
diff --git a/js/search-index.php b/js/search-index.php
index 614b32380..138186130 100644
--- a/js/search-index.php
+++ b/js/search-index.php
@@ -7,7 +7,7 @@ if (!isset($_GET["lang"])) {
 if (empty($_SERVER["DOCUMENT_ROOT"])) {
     $_SERVER["DOCUMENT_ROOT"] = __DIR__ . "/../";
 }
-include $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include __DIR__ . '/../include/prepend.inc';
 if (!isset($ACTIVE_ONLINE_LANGUAGES[$_GET["lang"]])) {
     header("Location: http://php.net");
 }
diff --git a/license/contrib-guidelines-code.php b/license/contrib-guidelines-code.php
index 5dc5025e2..10ab5db7e 100644
--- a/license/contrib-guidelines-code.php
+++ b/license/contrib-guidelines-code.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'license/contrib-guidelines-code.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header("License Information", array("current" => "help"));
 ?>
 <h2>PHP Contributor Guidelines for Code Developers</h2>
diff --git a/license/distrib-guidelines-code.php b/license/distrib-guidelines-code.php
index 6b28f8290..2f2b6e1ae 100644
--- a/license/distrib-guidelines-code.php
+++ b/license/distrib-guidelines-code.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'license/distrib-guidelines-code.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header("License Information", array("current" => "help"));
 ?>
 <h2>PHP Distribution Guidelines</h2>
diff --git a/license/index.php b/license/index.php
index ba4121519..848fbbba1 100644
--- a/license/index.php
+++ b/license/index.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'license/index.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 
 $SIDEBAR_DATA = <<<EOF
 <aside>
diff --git a/manual/add-note.php b/manual/add-note.php
index e9d2f4cd5..8203c172a 100644
--- a/manual/add-note.php
+++ b/manual/add-note.php
@@ -2,10 +2,10 @@
 $ip_spam_lookup_url = 'http://www.dnsbl.info/dnsbl-database-check.php?IP=';
 
 $_SERVER['BASE_PAGE'] = 'manual/add-note.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/posttohost.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
-include      $_SERVER['DOCUMENT_ROOT'] . '/manual/spam_challenge.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../include/posttohost.inc';
+include_once __DIR__ . '/../include/shared-manual.inc';
+include      __DIR__ . '/spam_challenge.php';
 
 site_header("Add Manual Note", array( 'css' => 'add-note.css'));
 
diff --git a/manual/change.php b/manual/change.php
index 1716d200f..5ce3e6700 100644
--- a/manual/change.php
+++ b/manual/change.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 
 $page = isset($_GET['page']) ? htmlspecialchars($_GET['page'], ENT_QUOTES, 'UTF-8') : '';
 $page = strtr($page, array("\r"=>"","\n"=>""));
diff --git a/manual/en/book.var.php b/manual/en/book.var.php
index 085305b86..b3405143a 100644
--- a/manual/en/book.var.php
+++ b/manual/en/book.var.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/refs.basic.vartype.inc";
diff --git a/manual/en/class.exception.php b/manual/en/class.exception.php
index 13397d720..1d65b45ab 100644
--- a/manual/en/class.exception.php
+++ b/manual/en/class.exception.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/reserved.exceptions.inc";
diff --git a/manual/en/context.http.php b/manual/en/context.http.php
index f7a35317c..e51ae9895 100644
--- a/manual/en/context.http.php
+++ b/manual/en/context.http.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/context.inc";
diff --git a/manual/en/funcref.php b/manual/en/funcref.php
index b22e8c1bc..98f15002b 100644
--- a/manual/en/funcref.php
+++ b/manual/en/funcref.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/index.inc";
diff --git a/manual/en/function.strpos.php b/manual/en/function.strpos.php
index 995867ea1..97f5bb641 100644
--- a/manual/en/function.strpos.php
+++ b/manual/en/function.strpos.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/ref.strings.inc";
diff --git a/manual/en/index.php b/manual/en/index.php
index 0e16997b1..c8d167d26 100644
--- a/manual/en/index.php
+++ b/manual/en/index.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 
diff --git a/manual/en/language.exceptions.php b/manual/en/language.exceptions.php
index 5ea9cad48..261d9a6b4 100644
--- a/manual/en/language.exceptions.php
+++ b/manual/en/language.exceptions.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/langref.inc";
diff --git a/manual/en/refs.basic.vartype.php b/manual/en/refs.basic.vartype.php
index 9a051bad9..df3937a8b 100644
--- a/manual/en/refs.basic.vartype.php
+++ b/manual/en/refs.basic.vartype.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../../include/shared-manual.inc';
 $TOC = array();
 $PARENTS = array();
 include_once __DIR__ ."/toc/funcref.inc";
diff --git a/manual/help-translate.php b/manual/help-translate.php
index 65fe54e3f..577e5e197 100644
--- a/manual/help-translate.php
+++ b/manual/help-translate.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual/help-translate.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../include/shared-manual.inc';
 site_header("Help translate the PHP Manual");
 ?>
 
diff --git a/manual/index.php b/manual/index.php
index 818d9070b..01404eda1 100644
--- a/manual/index.php
+++ b/manual/index.php
@@ -1,4 +1,4 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 mirror_redirect("/manual/$LANG/index.php");
 ?>
diff --git a/manual/php3.php b/manual/php3.php
index 366c2f7d7..313e8c6c4 100644
--- a/manual/php3.php
+++ b/manual/php3.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual/php3.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header('PHP Version 3 Documentation');
 ?>
 
diff --git a/manual/php4.php b/manual/php4.php
index 86334459e..9b3ab46b2 100644
--- a/manual/php4.php
+++ b/manual/php4.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual/php4.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header('PHP Version 4 Documentation');
 ?>
 
diff --git a/manual/phpfi2.php b/manual/phpfi2.php
index d8ca6bb62..691bbc6fa 100644
--- a/manual/phpfi2.php
+++ b/manual/phpfi2.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual/phpfi2.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header('PHP/FI Version 2.0 Documentation');
 ?>
 
diff --git a/manual/vote-note.php b/manual/vote-note.php
index 5aca2e09e..0cc5e1554 100644
--- a/manual/vote-note.php
+++ b/manual/vote-note.php
@@ -1,9 +1,9 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual/vote-note.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/posttohost.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
-include      $_SERVER['DOCUMENT_ROOT'] . '/manual/spam_challenge.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../include/posttohost.inc';
+include_once __DIR__ . '/../include/shared-manual.inc';
+include      __DIR__ . '/spam_challenge.php';
 
 // Initialize global variables
 $error = false;
diff --git a/pear/index.php b/pear/index.php
index de92ee70c..7b2cb896e 100644
--- a/pear/index.php
+++ b/pear/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /pear shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/pear';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../error.php';
diff --git a/security/crypt_blowfish.php b/security/crypt_blowfish.php
index 402f1f811..e418520df 100644
--- a/security/crypt_blowfish.php
+++ b/security/crypt_blowfish.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'security/index.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 
 site_header("CRYPT_BLOWFISH security fix details");
 ?>
diff --git a/security/index.php b/security/index.php
index bb26eaf93..dbccfbca1 100644
--- a/security/index.php
+++ b/security/index.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'security/index.php';
 
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 if(!isset($_COOKIE["MAGIC_COOKIE"])) {
     mirror_redirect("/manual/security");
     exit;
diff --git a/stats/index.php b/stats/index.php
index a4a270d34..de177cbeb 100644
--- a/stats/index.php
+++ b/stats/index.php
@@ -5,7 +5,7 @@
  which means there is no local search is set up
 */
 $_SERVER['BASE_PAGE'] = 'stats/index.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/../include/prepend.inc';
 site_header("No Stats");
 ?>
 
diff --git a/styles/index.php b/styles/index.php
index aa1f97945..960d9a964 100644
--- a/styles/index.php
+++ b/styles/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /styles shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/styles';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/../include/prepend.inc';
+include_once __DIR__ . '/../error.php';