diff --git a/ChangeLog-4.php b/ChangeLog-4.php
index 8b46cd717..f422cd179 100644
--- a/ChangeLog-4.php
+++ b/ChangeLog-4.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'ChangeLog-4.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/changelogs.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/changelogs.inc';
 site_header("PHP 4 ChangeLog", array("current" => "docs", "css" => array("changelog.css"), "layout_span" => 12));
 ?>
 
diff --git a/ChangeLog-5.php b/ChangeLog-5.php
index 64273ed88..86e296355 100644
--- a/ChangeLog-5.php
+++ b/ChangeLog-5.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'ChangeLog-5.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/changelogs.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/changelogs.inc';
 site_header("PHP 5 ChangeLog", array("current" => "docs", "css" => array("changelog.css"), "layout_span" => 12));
 ?>
 
diff --git a/ChangeLog-7.php b/ChangeLog-7.php
index 753af3126..b0f4b6d7a 100644
--- a/ChangeLog-7.php
+++ b/ChangeLog-7.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'ChangeLog-7.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/changelogs.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/changelogs.inc';
 site_header("PHP 7 ChangeLog", array("current" => "docs", "css" => array("changelog.css"), "layout_span" => 12));
 ?>
 <h1>PHP 7 ChangeLog</h1>
diff --git a/build-setup.php b/build-setup.php
index 43d01f601..0ee8567b6 100644
--- a/build-setup.php
+++ b/build-setup.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'get-involved.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 $SIDEBAR_DATA ='
 <div class="panel">
diff --git a/cal.php b/cal.php
index 74ed304a3..8d27de4c7 100644
--- a/cal.php
+++ b/cal.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'cal.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 $site_header_config = array(
     "current" => "community",
diff --git a/contact.php b/contact.php
index fd160a66a..e1d390751 100644
--- a/contact.php
+++ b/contact.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'contact.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("Contact", array("current" => "community"));
 ?>
 
diff --git a/copyright.php b/copyright.php
index 92b0e4a1a..c7b5b030d 100644
--- a/copyright.php
+++ b/copyright.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'copyright.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <a name="license"></a>
 <h3>PHP License</h3>
diff --git a/credits.php b/credits.php
index 0be3eeb48..540919c05 100644
--- a/credits.php
+++ b/credits.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'credits.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 // Put credits information to $credits
 ob_start();
diff --git a/docs.php b/docs.php
index 9f4b173f3..4e744aa9d 100644
--- a/docs.php
+++ b/docs.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'docs.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 site_header("Documentation", array("current" => "docs"));
 
diff --git a/download-docs.php b/download-docs.php
index 1dfec33ff..69eb66afa 100644
--- a/download-docs.php
+++ b/download-docs.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'download-docs.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 if (!empty($_GET['active_langs'])) {
     echo serialize($ACTIVE_ONLINE_LANGUAGES);
diff --git a/download-logos.php b/download-logos.php
index 71ba3e7c1..02158900a 100644
--- a/download-logos.php
+++ b/download-logos.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'download-logos.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <h3>More PHP artwork</h3>
 <p>
diff --git a/downloads.php b/downloads.php
index 51ce178bf..01de834c9 100644
--- a/downloads.php
+++ b/downloads.php
@@ -1,8 +1,8 @@
 <?php // vim: et
 $_SERVER['BASE_PAGE'] = 'downloads.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/gpg-keys.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/version.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/gpg-keys.inc';
+include_once __DIR__ . '/include/version.inc';
 
 // Try to make this page non-cached
 header_nocache();
diff --git a/elephpant.php b/elephpant.php
index cb8a46bcf..8aa3af783 100644
--- a/elephpant.php
+++ b/elephpant.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'elephpant.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <a name="license"></a>
 <h3>PHP License</h3>
diff --git a/eol.php b/eol.php
index a470f329f..75800824c 100644
--- a/eol.php
+++ b/eol.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'eol.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';
 
 // Notes for specific branches can be added here, and will appear in the table.
 $BRANCH_NOTES = array(
diff --git a/error.php b/error.php
index 1da1f277d..3cf8b6ccb 100644
--- a/error.php
+++ b/error.php
@@ -10,10 +10,10 @@
 */
 
 // Ensure that our environment is set up
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/languages.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/loadavg.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/errors.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/languages.inc';
+include_once __DIR__ . '/include/loadavg.inc';
+include_once __DIR__ . '/include/errors.inc';
 
 // Get URI for this request, strip leading slash
 // See langchooser.inc for more info on STRIPPED_URI
@@ -24,13 +24,13 @@ $URI = substr($_SERVER['STRIPPED_URI'], 1);
 // dependent, so the search results will show up in the sidebar)
 if ($URI == 'phpnetsearch.src') {
     status_header(200);
-    include_once $_SERVER['DOCUMENT_ROOT'] . '/include/mozsearch.inc';
+    include_once __DIR__ . '/include/mozsearch.inc';
     exit;
 }
 // FIXME: Nuke the old firefox search plugin
 if ($URI == 'phpnetimprovedsearch.src') {
     status_header(200);
-    include_once $_SERVER['DOCUMENT_ROOT'] . '/include/mozopensearch.inc';
+    include_once __DIR__ . '/include/mozopensearch.inc';
     exit;
 }
 
@@ -45,7 +45,7 @@ if (preg_match("!^bugs.php\\?(.+)$!", $URI, $array)) {
 if (preg_match("!^security/advisories/PHPSA-(\\d+)\\.php$!", $URI, $array)) {
     status_header(200);
     $_GET["id"] = $array[1];
-    include_once $_SERVER['DOCUMENT_ROOT'] . '/security/index.php';
+    include_once __DIR__ . '/security/index.php';
     exit;
 }
 
@@ -112,7 +112,7 @@ if (preg_match("!^manual/(\\w+)/(print|printwn|html)((/.+)|$)!", $URI, $array))
 // send them to the /releases page since that is likely to be most helpful.
 if (preg_match("!^distributions/.*!", $URI, $array)) {
     status_header(404);
-    include_once $_SERVER['DOCUMENT_ROOT'] . "/releases/index.php";
+    include_once __DIR__ . "/releases/index.php";
 }
 
 // ============================================================================
@@ -136,7 +136,7 @@ if (preg_match("!^get/([^/]+)/from/([^/]+)(/mirror)?$!", $URI, $dlinfo)) {
 
     $df = $dlinfo[1];
     if(strpos($df, "7-LATEST") !== false) {
-        include_once $_SERVER['DOCUMENT_ROOT'] . "/include/version.inc";
+        include_once __DIR__ . "/include/version.inc";
         $df = str_replace("7-LATEST", $PHP_7_VERSION, $df);
     }
 
@@ -596,17 +596,17 @@ if (isset($external_redirects[$URI])) {
 // will be capable of being included from anywhere
 if ($URI=='mirror-info') {
     status_header(200);
-    include_once $_SERVER['DOCUMENT_ROOT'] . "/$URI.php";
+    include_once __DIR__ . "/$URI.php";
     exit;
 }
 
 // ============================================================================
 // Try to find the page using the preferred language as a manual page
-include_once $_SERVER['DOCUMENT_ROOT'] . "/include/manual-lookup.inc";
+include_once __DIR__ . "/include/manual-lookup.inc";
 $try = find_manual_page($LANG, $URI);
 if ($try) {
     status_header(200);
-    include_once $_SERVER['DOCUMENT_ROOT'] . $try;
+    include_once __DIR__ . $try;
     exit;
 }
 // BC. The class methods are now classname.methodname
diff --git a/get-involved.php b/get-involved.php
index b0b805c19..a1ae9b004 100644
--- a/get-involved.php
+++ b/get-involved.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'get-involved.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 site_header("Get Involved", array("current" => "community"));
 ?>
diff --git a/git-php.php b/git-php.php
index 06ec5e60a..a0e5e5e91 100644
--- a/git-php.php
+++ b/git-php.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'git-php.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/email-validation.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/posttohost.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/email-validation.inc';
+include_once __DIR__ . '/include/posttohost.inc';
 
 // Force the account requests to php.net
 if (!is_primary_site()) {
diff --git a/git.php b/git.php
index e394860c3..80dbb6fe2 100644
--- a/git.php
+++ b/git.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'git.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <h3>What is Git?</h3>
 <p>
diff --git a/gpg-keys.php b/gpg-keys.php
index ea8467355..a0729a4d2 100644
--- a/gpg-keys.php
+++ b/gpg-keys.php
@@ -1,8 +1,8 @@
 <?php // vim: et
 $_SERVER['BASE_PAGE'] = 'gpg-keys.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/gpg-keys.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/version.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/gpg-keys.inc';
+include_once __DIR__ . '/include/version.inc';
 
 site_header('GPG Keys');
 ?>
diff --git a/include/branches.inc b/include/branches.inc
index 4e7437019..361cb0076 100644
--- a/include/branches.inc
+++ b/include/branches.inc
@@ -1,6 +1,6 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/releases.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/version.inc';
+include_once __DIR__ . '/releases.inc';
+include_once __DIR__ . '/version.inc';
 
 /* Branch overrides. For situations where we've changed the exact dates for a
  * branch's active support and security fix EOLs, these can be reflected here.
diff --git a/include/index.php b/include/index.php
index e617811b6..793ccc741 100644
--- a/include/index.php
+++ b/include/index.php
@@ -1,5 +1,5 @@
 <?php
 // Simulate a /include shortcut call (which will lead to a manual page)
 $_SERVER['REQUEST_URI'] = '/include';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/error.php';
+include_once __DIR__ . '/prepend.inc';
+include_once __DIR__ . '/../error.php';
diff --git a/include/ip-to-country.inc b/include/ip-to-country.inc
index a274ec747..958ddc9ee 100644
--- a/include/ip-to-country.inc
+++ b/include/ip-to-country.inc
@@ -88,7 +88,7 @@ function i2c_search_in_index($ip)
 
     // Open the index file for reading
     $dbidx = fopen(
-        $_SERVER['DOCUMENT_ROOT'] . "/backend/ip-to-country.idx",
+        __DIR__ . "/../backend/ip-to-country.idx",
         "r"
     );
     if (!$dbidx) { return FALSE; }
diff --git a/include/manual-lookup.inc b/include/manual-lookup.inc
index 87ea9cbc1..1fc2cbf40 100644
--- a/include/manual-lookup.inc
+++ b/include/manual-lookup.inc
@@ -1,7 +1,7 @@
 <?php // -*- C++ -*-
 
 // We need this for error reporting
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/errors.inc';
+include_once __DIR__ . '/errors.inc';
 
 // Try to find some variations of keyword with $prefix in the $lang manual
 function tryprefix($lang, $keyword, $prefix)
diff --git a/include/prepend.inc b/include/prepend.inc
index 674366ef1..ee8678887 100644
--- a/include/prepend.inc
+++ b/include/prepend.inc
@@ -73,21 +73,21 @@ if (get_magic_quotes_runtime()) {
 }
 
 // Site details (mirror site information)
-include $_SERVER['DOCUMENT_ROOT'] . '/include/site.inc';
+include __DIR__ . '/site.inc';
 
 // Choose language used for translated parts
-include $_SERVER['DOCUMENT_ROOT'] . '/include/langchooser.inc';
+include __DIR__ . '/langchooser.inc';
 
 // Get country of the user and set it in a cookie
-include $_SERVER['DOCUMENT_ROOT'] . '/include/ip-to-country.inc';
+include __DIR__ . '/ip-to-country.inc';
 
 // Common layout functions
-include $_SERVER['DOCUMENT_ROOT'] . '/include/layout.inc';
+include __DIR__ . '/layout.inc';
 
 // This file is generated on rsync.php.net and propagated
 // from there. It just defines $LAST_UPDATED, which is the
 // mirror's last updated time.
-include $_SERVER['DOCUMENT_ROOT'] . '/include/last_updated.inc';
+include __DIR__ . '/last_updated.inc';
 
 // -----------------------------------------------------------------------------
 
diff --git a/include/shared-manual.inc b/include/shared-manual.inc
index 6867b7baa..735d8ee8d 100644
--- a/include/shared-manual.inc
+++ b/include/shared-manual.inc
@@ -13,7 +13,7 @@
 */
 
 // Ensure that our environment is set up
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/prepend.inc';
 
 // Set variable defaults
 $PGI = array(); $SIDEBAR_DATA = '';
diff --git a/include/shared-stat.inc b/include/shared-stat.inc
index af694053a..bec71301e 100644
--- a/include/shared-stat.inc
+++ b/include/shared-stat.inc
@@ -1,5 +1,5 @@
 <?php // -*- C++ -*-
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/prepend.inc';
 
 function commonStatHeader($title) {
     site_header($title);
diff --git a/include/site.inc b/include/site.inc
index e096c16a5..1ab72657e 100644
--- a/include/site.inc
+++ b/include/site.inc
@@ -21,16 +21,16 @@ $MIRRORS = array(
 );
 
 // Define $COUNTRIES array
-include $_SERVER['DOCUMENT_ROOT'] . '/include/countries.inc';
+include __DIR__ . '/countries.inc';
 
 // Define $COUNTRIES_ALPHA2 array
-include $_SERVER['DOCUMENT_ROOT'] . '/include/countries-alpha2.inc';
+include __DIR__ . '/countries-alpha2.inc';
 
 // Define $COUNTRY_ALPHA_2_TO_3 array
-include $_SERVER['DOCUMENT_ROOT'] . '/include/countries_alpha_mapping.inc';
+include __DIR__ . '/countries_alpha_mapping.inc';
 
 // Define $LANGUAGES array
-include $_SERVER['DOCUMENT_ROOT'] . '/include/languages.inc';
+include __DIR__ . '/languages.inc';
 
 // Returns true if the current (or specified)
 // site is the primary mirror site
diff --git a/mailing-lists.php b/mailing-lists.php
index 86f860fb6..af557b41d 100644
--- a/mailing-lists.php
+++ b/mailing-lists.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'mailing-lists.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/posttohost.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/email-validation.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/posttohost.inc';
+include_once __DIR__ . '/include/email-validation.inc';
 
 $SIDEBAR_DATA = '
 <h3>Would like to unsubscribe yourself?</h3>
diff --git a/manual-lookup.php b/manual-lookup.php
index 369b6ef14..1048a1fce 100644
--- a/manual-lookup.php
+++ b/manual-lookup.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'manual-lookup.php';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/loadavg.inc';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/manual-lookup.inc';
+include __DIR__ . '/include/prepend.inc';
+include __DIR__ . '/include/loadavg.inc';
+include __DIR__ . '/include/manual-lookup.inc';
 
 // BC code, so pattern and function can both be used as
 // parameters to specify the function name
@@ -35,6 +35,6 @@ if ($function) {
 
 // Fall back to a quick reference search
 $notfound = $function;
-include $_SERVER['DOCUMENT_ROOT'] . '/quickref.php';
+include __DIR__ . '/quickref.php';
 
 ?>
diff --git a/mirror-info.php b/mirror-info.php
index 72e773369..d9fb5c42f 100644
--- a/mirror-info.php
+++ b/mirror-info.php
@@ -1,9 +1,9 @@
 <?php
 // Define $MYSITE and $LAST_UPDATED variables
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 // Define $PHP_7_3_VERSION, $PHP_7_3_SHA256 & $RELEASES variables
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/version.inc';
+include_once __DIR__ . '/include/version.inc';
 
 // Text/plain content type for better readability in browsers
 header("Content-type: text/plain; charset=utf-8");
diff --git a/mirror-stats.conf b/mirror-stats.conf
index 74c2b85a4..f710559a0 100644
--- a/mirror-stats.conf
+++ b/mirror-stats.conf
@@ -151,7 +151,7 @@ PageType	php
 
 #HTMLPre <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 
-HTMLPre		<?php $_SERVER['BASE_PAGE'] = 'stats/index.php'; include_once $_SERVER['DOCUMENT_ROOT'] . "/include/prepend.inc"; ?>
+HTMLPre		<?php $_SERVER['BASE_PAGE'] = 'stats/index.php'; include_once __DIR__ . "/include/prepend.inc"; ?>
 
 # HTMLHead defines HTML code to insert within the <HEAD></HEAD>
 # block, immediately after the <TITLE> line.  Maximum line length
diff --git a/mirror.php b/mirror.php
index 64e45e60e..29a8ebe31 100644
--- a/mirror.php
+++ b/mirror.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'mirror.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <h3>More mirror sites</h3>
 <p>
diff --git a/mirroring-stats.php b/mirroring-stats.php
index 573ee0236..c16d3a1c8 100644
--- a/mirroring-stats.php
+++ b/mirroring-stats.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'mirroring-stats.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("Setting Up Local Stats", array("current" => "community"));
 ?>
 
diff --git a/mirroring-troubles.php b/mirroring-troubles.php
index 2555fbe74..ea79e1825 100644
--- a/mirroring-troubles.php
+++ b/mirroring-troubles.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'mirroring-troubles.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 $SIDEBAR_DATA = '
 <h3>Other mirror information</h3>
diff --git a/mirroring.php b/mirroring.php
index 974fd53cf..475419c80 100644
--- a/mirroring.php
+++ b/mirroring.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'mirroring.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <h3>Existing mirror sites</h3>
 <p>
diff --git a/mirrors.php b/mirrors.php
index ad3f17120..61c8b25fe 100644
--- a/mirrors.php
+++ b/mirrors.php
@@ -1,5 +1,5 @@
 <?php
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 header("HTTP/1.1 301 Moved Permanently");
 header("Location: /");
diff --git a/mod.php b/mod.php
index bb12b8fe1..4cbbff4cd 100644
--- a/mod.php
+++ b/mod.php
@@ -6,7 +6,7 @@
 */
 
 $_SERVER['BASE_PAGE'] = 'mod.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 site_header("Email confirmation", array("current" => "community"));
 
diff --git a/my.php b/my.php
index dfe35f81d..428a8846d 100644
--- a/my.php
+++ b/my.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'my.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 // Try to make this page non-cached
 header_nocache();
diff --git a/privacy.php b/privacy.php
index 5751b19d8..0e2e69f3f 100644
--- a/privacy.php
+++ b/privacy.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'privacy.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("Privacy Policy", array("current" => "footer"));
 ?>
 
diff --git a/quickref.php b/quickref.php
index 745634a0f..da786b9ca 100644
--- a/quickref.php
+++ b/quickref.php
@@ -14,9 +14,9 @@
 
 // Ensure that our environment is set up
 $_SERVER['BASE_PAGE'] = 'quickref.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/errors.inc';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/results.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/errors.inc';
+include __DIR__ . '/include/results.inc';
 
 if (empty($notfound)) {
     mirror_redirect("/search.php");
diff --git a/results.php b/results.php
index 280002123..273e488ed 100644
--- a/results.php
+++ b/results.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'results.php';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include $_SERVER['DOCUMENT_ROOT'] . '/include/results.inc';
+include __DIR__ . '/include/prepend.inc';
+include __DIR__ . '/include/results.inc';
 
 if (!isset($_GET['l']) || !is_string($_GET['l'])) {
   $_GET['l'] = null;
diff --git a/search.php b/search.php
index 9f3d3f1ef..c2dee3b26 100644
--- a/search.php
+++ b/search.php
@@ -1,6 +1,6 @@
 <?php // vim: et
 $_SERVER['BASE_PAGE'] = 'search.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 // ---------------------------------------------------------------------------
 
diff --git a/security-note.php b/security-note.php
index c96493873..264ebcf1d 100644
--- a/security-note.php
+++ b/security-note.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'security-note.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("A Note on Security in PHP", array("current" => "docs"));
 ?>
 
diff --git a/sitemap.php b/sitemap.php
index c7e9edcee..bbb654224 100644
--- a/sitemap.php
+++ b/sitemap.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'sitemap.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("Sitemap", array("current" => "help"));
 ?>
 
diff --git a/sites.php b/sites.php
index 1393ec4aa..a27971aa7 100644
--- a/sites.php
+++ b/sites.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'sites.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("A Tourist's Guide", array("current" => "help"));
 ?>
 
diff --git a/software.php b/software.php
index 0044d8049..4b805c8b9 100644
--- a/software.php
+++ b/software.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'software.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 site_header("PHP Software", array("current" => "help"));
 ?>
 
diff --git a/submit-event.php b/submit-event.php
index 26dbd4719..5f4cef55a 100644
--- a/submit-event.php
+++ b/submit-event.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'submit-event.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/posttohost.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/email-validation.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/posttohost.inc';
+include_once __DIR__ . '/include/email-validation.inc';
 site_header("Submit an Event", array("current" => "community"));
 
 // No errors, processing depends on POST data
diff --git a/support.php b/support.php
index e28cb7e59..89ab7a0e1 100644
--- a/support.php
+++ b/support.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'support.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 $SIDEBAR_DATA ='
 <div class="panel" style="position:fixed">
diff --git a/supported-versions.php b/supported-versions.php
index d081ee710..8608886d2 100644
--- a/supported-versions.php
+++ b/supported-versions.php
@@ -1,8 +1,8 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'supported-versions.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';
 
 site_header('Supported Versions', array('css' => array('supported-versions.css')));
 
@@ -85,7 +85,7 @@ $VERSION_NOTES = array(
  * ensuring that we have the same text formatting as the rest of the page. */
 
 $non_standalone = true;
-include $_SERVER['DOCUMENT_ROOT'] . '/images/supported-versions.php';
+include __DIR__ . '/images/supported-versions.php';
 ?>
 
 <h4>Key</h4>
diff --git a/thanks.php b/thanks.php
index 65855e3d6..f5308e6cd 100644
--- a/thanks.php
+++ b/thanks.php
@@ -1,7 +1,7 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'thanks.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/historical_mirrors.inc';
+include_once __DIR__ . '/include/prepend.inc';
+include_once __DIR__ . '/include/historical_mirrors.inc';
 site_header("Thanks", array("current" => "community"));
 ?>
 
diff --git a/ug.php b/ug.php
index 53efd11da..c55c52ad3 100644
--- a/ug.php
+++ b/ug.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'ug.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 mirror_setcookie("LAST_UG", $_SERVER["REQUEST_TIME"]+60*60*24, 60*60*24);
 site_header("Hypertext Preprocessor",
diff --git a/unsub.php b/unsub.php
index a5e0189d6..e89c1dafa 100644
--- a/unsub.php
+++ b/unsub.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'unsub.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 $SIDEBAR_DATA = '
 <h3>Other PHP related mailing lists</h3>
 
diff --git a/urlhowto.php b/urlhowto.php
index bdbdcb068..196be2bec 100644
--- a/urlhowto.php
+++ b/urlhowto.php
@@ -1,6 +1,6 @@
 <?php
 $_SERVER['BASE_PAGE'] = 'urlhowto.php';
-include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
+include_once __DIR__ . '/include/prepend.inc';
 
 $SIDEBAR_DATA='
 <h3>URL examples</h3>