diff --git a/CREDITS b/CREDITS
index 42549a27733..aa22df84fba 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1,2 +1,3 @@
 For the list of people who've put work into PHP, please see
-http://www.php.net/credits.php
+
+https://www.php.net/credits.php
diff --git a/INSTALL b/INSTALL
index d2f4f42a998..ad813e6574d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,3 +1,3 @@
 For installation of PHP, please refer to the online documentation available at:
 
-   http://php.net/install
+https://php.net/install
diff --git a/README.md b/README.md
index 6080dc4adf8..18087fa3bcc 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ The PHP Interpreter
 ===================
 
 This is the github mirror of the official PHP repository located at
-http://git.php.net.
+https://git.php.net.
 
 [![Build Status](https://secure.travis-ci.org/php/php-src.svg?branch=master)](http://travis-ci.org/php/php-src)
 [![Build status](https://ci.appveyor.com/api/projects/status/meyur6fviaxgdwdy?svg=true)](https://ci.appveyor.com/project/php/php-src)
@@ -28,7 +28,7 @@ open a ticket at https://bugs.php.net and reference the bug id using #NNNNNN.
     time. The patch removes this warning
 
 We do not merge pull requests directly on github. All PRs will be
-pulled and pushed through http://git.php.net.
+pulled and pushed through https://git.php.net.
 
 
 Guidelines for contributors
diff --git a/ext/dom/attr.c b/ext/dom/attr.c
index 930a2de827a..1737a6018c3 100644
--- a/ext/dom/attr.c
+++ b/ext/dom/attr.c
@@ -42,7 +42,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMAttr extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-637646024
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-637646024
 * Since:
 */
 
diff --git a/ext/dom/cdatasection.c b/ext/dom/cdatasection.c
index 8328e13f668..a7b0d7a2f0b 100644
--- a/ext/dom/cdatasection.c
+++ b/ext/dom/cdatasection.c
@@ -37,7 +37,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMCdataSection extends DOMText
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-667469212
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-667469212
 * Since:
 */
 
diff --git a/ext/dom/characterdata.c b/ext/dom/characterdata.c
index bd801733c49..3af8968dfc1 100644
--- a/ext/dom/characterdata.c
+++ b/ext/dom/characterdata.c
@@ -58,7 +58,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMCharacterData extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-FF21A306
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-FF21A306
 * Since:
 */
 
diff --git a/ext/dom/comment.c b/ext/dom/comment.c
index d1037feaeeb..a807e5f67e9 100644
--- a/ext/dom/comment.c
+++ b/ext/dom/comment.c
@@ -37,7 +37,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMComment extends DOMCharacterData
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1728279322
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1728279322
 * Since:
 */
 
diff --git a/ext/dom/document.c b/ext/dom/document.c
index 262a88896e1..1a8e5623006 100644
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -190,7 +190,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMDocument extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-i-Document
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-i-Document
 * Since:
 */
 
diff --git a/ext/dom/documentfragment.c b/ext/dom/documentfragment.c
index c4849acf0a2..0f9c711e2d0 100644
--- a/ext/dom/documentfragment.c
+++ b/ext/dom/documentfragment.c
@@ -39,7 +39,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMDocumentFragment extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-B63ED1A3
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-B63ED1A3
 * Since:
 */
 
diff --git a/ext/dom/documenttype.c b/ext/dom/documenttype.c
index 661d23d1c90..a93679f2360 100644
--- a/ext/dom/documenttype.c
+++ b/ext/dom/documenttype.c
@@ -30,7 +30,7 @@
 /*
 * class DOMDocumentType extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-412266927
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-412266927
 * Since:
 */
 
diff --git a/ext/dom/domconfiguration.c b/ext/dom/domconfiguration.c
index 7664507fc1b..f781c86a87b 100644
--- a/ext/dom/domconfiguration.c
+++ b/ext/dom/domconfiguration.c
@@ -46,7 +46,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domdomconfiguration
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMConfiguration
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMConfiguration
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domerror.c b/ext/dom/domerror.c
index cae018b5270..50c2e4be7ca 100644
--- a/ext/dom/domerror.c
+++ b/ext/dom/domerror.c
@@ -31,7 +31,7 @@
 /*
 * class domerror
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ERROR-Interfaces-DOMError
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ERROR-Interfaces-DOMError
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domerrorhandler.c b/ext/dom/domerrorhandler.c
index ad2f0e73869..8be39474f42 100644
--- a/ext/dom/domerrorhandler.c
+++ b/ext/dom/domerrorhandler.c
@@ -36,7 +36,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domerrorhandler
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ERROR-Interfaces-DOMErrorHandler
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ERROR-Interfaces-DOMErrorHandler
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domexception.c b/ext/dom/domexception.c
index 2242fc3d364..f19810710ec 100644
--- a/ext/dom/domexception.c
+++ b/ext/dom/domexception.c
@@ -30,7 +30,7 @@
 /*
 * class DOMException
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-17189187
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-17189187
 * Since:
 */
 
diff --git a/ext/dom/domimplementation.c b/ext/dom/domimplementation.c
index 441aab5c482..d3bed97033c 100644
--- a/ext/dom/domimplementation.c
+++ b/ext/dom/domimplementation.c
@@ -52,7 +52,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMImplementation
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-102161490
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-102161490
 * Since:
 */
 
diff --git a/ext/dom/domimplementationlist.c b/ext/dom/domimplementationlist.c
index 14ded810347..2f45e183bab 100644
--- a/ext/dom/domimplementationlist.c
+++ b/ext/dom/domimplementationlist.c
@@ -36,7 +36,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domimplementationlist
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMImplementationList
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMImplementationList
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domimplementationsource.c b/ext/dom/domimplementationsource.c
index 80c28dc81e2..2d7b01eb624 100644
--- a/ext/dom/domimplementationsource.c
+++ b/ext/dom/domimplementationsource.c
@@ -41,7 +41,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domimplementationsource
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMImplementationSource
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMImplementationSource
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domlocator.c b/ext/dom/domlocator.c
index 8407598ab99..90e80847e16 100644
--- a/ext/dom/domlocator.c
+++ b/ext/dom/domlocator.c
@@ -31,7 +31,7 @@
 /*
 * class domlocator
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#Interfaces-DOMLocator
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#Interfaces-DOMLocator
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/domstringlist.c b/ext/dom/domstringlist.c
index 2a2f76eff53..7ab683f466b 100644
--- a/ext/dom/domstringlist.c
+++ b/ext/dom/domstringlist.c
@@ -36,7 +36,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domstringlist
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMStringList
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMStringList
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/element.c b/ext/dom/element.c
index 16545753b38..0a3de891210 100644
--- a/ext/dom/element.c
+++ b/ext/dom/element.c
@@ -122,7 +122,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMElement extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-745549614
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-745549614
 * Since:
 */
 
diff --git a/ext/dom/entity.c b/ext/dom/entity.c
index 635faf5eda6..8edcef0333a 100644
--- a/ext/dom/entity.c
+++ b/ext/dom/entity.c
@@ -31,7 +31,7 @@
 /*
 * class DOMEntity extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-527DCFF2
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-527DCFF2
 * Since:
 */
 
diff --git a/ext/dom/entityreference.c b/ext/dom/entityreference.c
index dcb3a721e01..9d9b1eed794 100644
--- a/ext/dom/entityreference.c
+++ b/ext/dom/entityreference.c
@@ -36,7 +36,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMEntityReference extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-11C98490
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-11C98490
 * Since:
 */
 
diff --git a/ext/dom/namednodemap.c b/ext/dom/namednodemap.c
index 5289940c9ee..a0a2c653c20 100644
--- a/ext/dom/namednodemap.c
+++ b/ext/dom/namednodemap.c
@@ -65,7 +65,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMNamedNodeMap
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1780488922
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1780488922
 * Since:
 */
 
diff --git a/ext/dom/namelist.c b/ext/dom/namelist.c
index bb27d8b01e0..0489c0445f6 100644
--- a/ext/dom/namelist.c
+++ b/ext/dom/namelist.c
@@ -40,7 +40,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMNameList
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#NameList
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#NameList
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/node.c b/ext/dom/node.c
index 3048ecef073..19993d0ec9c 100644
--- a/ext/dom/node.c
+++ b/ext/dom/node.c
@@ -128,7 +128,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1950641247
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1950641247
 * Since:
 */
 
diff --git a/ext/dom/nodelist.c b/ext/dom/nodelist.c
index 45084e18404..1230975af7c 100644
--- a/ext/dom/nodelist.c
+++ b/ext/dom/nodelist.c
@@ -42,7 +42,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMNodeList
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-536297177
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-536297177
 * Since:
 */
 
diff --git a/ext/dom/notation.c b/ext/dom/notation.c
index 65d2a2e994d..dde7e641d92 100644
--- a/ext/dom/notation.c
+++ b/ext/dom/notation.c
@@ -30,7 +30,7 @@
 /*
 * class DOMNotation extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-5431D1B9
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-5431D1B9
 * Since:
 */
 
diff --git a/ext/dom/processinginstruction.c b/ext/dom/processinginstruction.c
index f8fde2b807d..f1566fc1bc2 100644
--- a/ext/dom/processinginstruction.c
+++ b/ext/dom/processinginstruction.c
@@ -38,7 +38,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMProcessingInstruction extends DOMNode
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1004215813
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1004215813
 * Since:
 */
 
diff --git a/ext/dom/string_extend.c b/ext/dom/string_extend.c
index 4e47afbe9eb..bf5a04d3dd7 100644
--- a/ext/dom/string_extend.c
+++ b/ext/dom/string_extend.c
@@ -40,7 +40,7 @@ ZEND_END_ARG_INFO();
 /*
 * class domstringextend
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#i18n-methods-StringExtend
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#i18n-methods-StringExtend
 * Since:
 */
 
diff --git a/ext/dom/text.c b/ext/dom/text.c
index 47c4ca90a5a..57688e8bce2 100644
--- a/ext/dom/text.c
+++ b/ext/dom/text.c
@@ -48,7 +48,7 @@ ZEND_END_ARG_INFO();
 /*
 * class DOMText extends DOMCharacterData
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1312295772
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1312295772
 * Since:
 */
 
diff --git a/ext/dom/typeinfo.c b/ext/dom/typeinfo.c
index 1fb9ab7b97f..bf902abb87a 100644
--- a/ext/dom/typeinfo.c
+++ b/ext/dom/typeinfo.c
@@ -31,7 +31,7 @@
 /*
 * class domtypeinfo
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#TypeInfo
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#TypeInfo
 * Since: DOM Level 3
 */
 
diff --git a/ext/dom/userdatahandler.c b/ext/dom/userdatahandler.c
index f9b1570e3e9..b83b275fb21 100644
--- a/ext/dom/userdatahandler.c
+++ b/ext/dom/userdatahandler.c
@@ -31,7 +31,7 @@
 /*
 * class domuserdatahandler
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#UserDataHandler
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#UserDataHandler
 * Since: DOM Level 3
 */
 
diff --git a/ext/xsl/xsltprocessor.c b/ext/xsl/xsltprocessor.c
index 17536c5cbeb..b7f56ef71f6 100644
--- a/ext/xsl/xsltprocessor.c
+++ b/ext/xsl/xsltprocessor.c
@@ -83,7 +83,7 @@ ZEND_END_ARG_INFO();
 /*
 * class xsl_xsltprocessor
 *
-* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#
+* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#
 * Since:
 */
 
diff --git a/header b/header
index c1fdf4b5514..49829a70f89 100644
--- a/header
+++ b/header
@@ -7,7 +7,7 @@
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
-  | http://www.php.net/license/3_01.txt                                  |
+  | https://php.net/license/3_01.txt                                     |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
diff --git a/run-tests.php b/run-tests.php
index 2f366bd7f28..e7f908c2e88 100644
--- a/run-tests.php
+++ b/run-tests.php
@@ -9,7 +9,7 @@
    | This source file is subject to version 3.01 of the PHP license,      |
    | that is bundled with this package in the file LICENSE, and is        |
    | available through the world-wide-web at the following url:           |
-   | http://www.php.net/license/3_01.txt                                  |
+   | https://php.net/license/3_01.txt                                  |
    | If you did not receive a copy of the PHP license and are unable to   |
    | obtain it through the world-wide-web, please send a note to          |
    | license@php.net so we can mail you a copy immediately.               |