minor #230 Add link in intl idn readme (JakeFr)

This PR was merged into the 1.14-dev branch.

Discussion
----------

Add link in intl idn readme

Commits
-------

16fca79 Add link in intl idn readme

Author: nicolas-grekas

src/Iconv/README.md

@@ -2,8 +2,8 @@ Symfony Polyfill / Iconv
 ========================
 
 This component provides a native PHP implementation of the
-[php.net/iconv](http://php.net/iconv) functions
-(short of [`ob_iconv_handler`](http://php.net/manual/en/function.ob-iconv-handler.php)).
+[php.net/iconv](https://php.net/iconv) functions
+(short of [`ob_iconv_handler`](https://php.net/ob-iconv-handler)).
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Intl/Grapheme/README.md

@@ -2,25 +2,25 @@ Symfony Polyfill / Intl: Grapheme
 =================================
 
 This component provides a partial, native PHP implementation of the
-[Grapheme functions](http://php.net/manual/en/ref.intl.grapheme.php) from the
-[Intl](http://php.net/intl) extension.
+[Grapheme functions](https://php.net/intl.grapheme) from the
+[Intl](https://php.net/intl) extension.
 
-- [`grapheme_extract`](http://php.net/grapheme_extract): Extract a sequence of grapheme
+- [`grapheme_extract`](https://php.net/grapheme_extract): Extract a sequence of grapheme
   clusters from a text buffer, which must be encoded in UTF-8
-- [`grapheme_stripos`](http://php.net/grapheme_stripos): Find position (in grapheme units)
+- [`grapheme_stripos`](https://php.net/grapheme_stripos): Find position (in grapheme units)
   of first occurrence of a case-insensitive string
-- [`grapheme_stristr`](http://php.net/grapheme_stristr): Returns part of haystack string
+- [`grapheme_stristr`](https://php.net/grapheme_stristr): Returns part of haystack string
   from the first occurrence of case-insensitive needle to the end of haystack
-- [`grapheme_strlen`](http://php.net/grapheme_strlen): Get string length in grapheme units
-- [`grapheme_strpos`](http://php.net/grapheme_strpos): Find position (in grapheme units)
+- [`grapheme_strlen`](https://php.net/grapheme_strlen): Get string length in grapheme units
+- [`grapheme_strpos`](https://php.net/grapheme_strpos): Find position (in grapheme units)
   of first occurrence of a string
-- [`grapheme_strripos`](http://php.net/grapheme_strripos): Find position (in grapheme units)
+- [`grapheme_strripos`](https://php.net/grapheme_strripos): Find position (in grapheme units)
   of last occurrence of a case-insensitive string
-- [`grapheme_strrpos`](http://php.net/grapheme_strrpos): Find position (in grapheme units)
+- [`grapheme_strrpos`](https://php.net/grapheme_strrpos): Find position (in grapheme units)
   of last occurrence of a string
-- [`grapheme_strstr`](http://php.net/grapheme_strstr): Returns part of haystack string from
+- [`grapheme_strstr`](https://php.net/grapheme_strstr): Returns part of haystack string from
   the first occurrence of needle to the end of haystack
-- [`grapheme_substr`](http://php.net/grapheme_substr): Return part of a string
+- [`grapheme_substr`](https://php.net/grapheme_substr): Return part of a string
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Intl/Icu/README.md

@@ -3,16 +3,16 @@ Symfony Polyfill / Intl: ICU
 
 This component provides a collection of functions/classes using the
 [`symfony/intl`](https://github.com/symfony/intl) package when the
-[Intl](http://php.net/intl) extension is not installed, including:
+[Intl](https://php.net/intl) extension is not installed, including:
 
-- [`intl_is_failure()`](http://php.net/manual/en/function.intl-is-failure.php)
-- [`intl_get_error_code()`](http://php.net/manual/en/function.intl-get-error-code.php)
-- [`intl_get_error_message()`](http://php.net/manual/en/function.intl-get-error-message.php)
-- [`intl_error_name()`](http://php.net/manual/en/function.intl-error-name.php)
-- [`Collator`](http://php.net/Collator)
-- [`NumberFormatter`](http://php.net/NumberFormatter)
-- [`Locale`](http://php.net/Locale)
-- [`IntlDateFormatter`](http://php.net/IntlDateFormatter)
+- [`intl_is_failure()`](https://php.net/intl-is-failure)
+- [`intl_get_error_code()`](https://php.net/intl-get-error-code)
+- [`intl_get_error_message()`](https://php.net/intl-get-error-message)
+- [`intl_error_name()`](https://php.net/intl-error-name)
+- [`Collator`](https://php.net/Collator)
+- [`NumberFormatter`](https://php.net/NumberFormatter)
+- [`Locale`](https://php.net/Locale)
+- [`IntlDateFormatter`](https://php.net/IntlDateFormatter)
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Intl/Idn/README.md

@@ -1,7 +1,7 @@
 Symfony Polyfill / Intl: Idn
 ============================
 
-This component provides `idn_to_ascii` and `idn_to_utf8` functions to users who run php versions without the intl extension.
+This component provides [`idn_to_ascii`](https://php.net/idn-to-ascii) and [`idn_to_utf8`](https://php.net/idn-to-utf8) functions to users who run php versions without the [Intl](https://php.net/intl) extension.
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Intl/MessageFormatter/MessageFormatter.php

@@ -46,7 +46,7 @@
  *  * simple parameters
  *  * integer number parameters
  *
- * It does NOT support the ['apostrophe-friendly' syntax](http://www.php.net/manual/en/messageformatter.formatmessage.php).
+ * It does NOT support the ['apostrophe-friendly' syntax](https://php.net/MessageFormatter.formatMessage).
  * Also messages that are working with the fallback implementation are not necessarily compatible with the
  * PHP intl MessageFormatter so do not rely on the fallback if you are able to install intl extension somehow.
  *

src/Intl/MessageFormatter/README.md

@@ -2,8 +2,8 @@ Symfony Polyfill / Intl: MessageFormatter
 =========================================
 
 This component provides a fallback implementation for the
-[`MessageFormatter`](http://php.net/manual/en/class.messageformatter.php) class provided
-by the [Intl](http://php.net/intl) extension.
+[`MessageFormatter`](https://php.net/MessageFormatter) class provided
+by the [Intl](https://php.net/intl) extension.
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Intl/Normalizer/README.md

@@ -2,8 +2,8 @@ Symfony Polyfill / Intl: Normalizer
 ===================================
 
 This component provides a fallback implementation for the
-[`Normalizer`](http://php.net/manual/en/class.normalizer.php) class provided
-by the [Intl](http://php.net/intl) extension.
+[`Normalizer`](https://php.net/Normalizer) class provided
+by the [Intl](https://php.net/intl) extension.
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Mbstring/README.md

@@ -2,7 +2,7 @@ Symfony Polyfill / Mbstring
 ===========================
 
 This component provides a partial, native PHP implementation for the
-[Mbstring](http://php.net/mbstring) extension.
+[Mbstring](https://php.net/mbstring) extension.
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Php54/README.md

@@ -3,10 +3,10 @@ Symfony Polyfill / Php54
 
 This component provides functions unavailable in releases prior to PHP 5.4:
 
-- [`trait_exists`](http://php.net/trait_exists)
-- [`class_uses`](http://php.net/class_uses)
-- [`hex2bin`](http://php.net/hex2bin)
-- [`session_register_shutdown`](http://php.net/session_register_shutdown)
+- [`trait_exists`](https://php.net/trait_exists)
+- [`class_uses`](https://php.net/class_uses)
+- [`hex2bin`](https://php.net/hex2bin)
+- [`session_register_shutdown`](https://php.net/session_register_shutdown)
 
 More information can be found in the
 [main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).

src/Php54/Resources/stubs/SessionHandlerInterface.php

@@ -22,9 +22,9 @@
  *
  * Extensive documentation can be found at php.net, see links:
  *
- * @see http://php.net/sessionhandlerinterface
- * @see http://php.net/session.customhandler
- * @see http://php.net/session-set-save-handler
+ * @see https://php.net/sessionhandlerinterface
+ * @see https://php.net/session.customhandler
+ * @see https://php.net/session-set-save-handler
  *
  * @author Drak <[email protected]>
  * @author Tobias Schultze <http://tobion.de>
@@ -34,10 +34,10 @@ interface SessionHandlerInterface
     /**
      * Re-initializes existing session, or creates a new one.
      *
-     * @see http://php.net/sessionhandlerinterface.open
+     * @see https://php.net/sessionhandlerinterface.open
      *
      * @param string $savePath    Save path
-     * @param string $sessionName Session name, see http://php.net/function.session-name.php
+     * @param string $sessionName Session name, see https://php.net/function.session-name.php
      *
      * @return bool true on success, false on failure
      */
@@ -46,7 +46,7 @@ public function open($savePath, $sessionName);
     /**
      * Closes the current session.
      *
-     * @see http://php.net/sessionhandlerinterface.close
+     * @see https://php.net/sessionhandlerinterface.close
      *
      * @return bool true on success, false on failure
      */
@@ -55,9 +55,9 @@ public function close();
     /**
      * Reads the session data.
      *
-     * @see http://php.net/sessionhandlerinterface.read
+     * @see https://php.net/sessionhandlerinterface.read
      *
-     * @param string $sessionId Session ID, see http://php.net/function.session-id
+     * @param string $sessionId Session ID, see https://php.net/function.session-id
      *
      * @return string Same session data as passed in write() or empty string when non-existent or on failure
      */
@@ -69,9 +69,9 @@ public function read($sessionId);
      * Care, the session ID passed to write() can be different from the one previously
      * received in read() when the session ID changed due to session_regenerate_id().
      *
-     * @see http://php.net/sessionhandlerinterface.write
+     * @see https://php.net/sessionhandlerinterface.write
      *
-     * @param string $sessionId Session ID , see http://php.net/function.session-id
+     * @param string $sessionId Session ID , see https://php.net/function.session-id
      * @param string $data      Serialized session data to save
      *
      * @return bool true on success, false on failure
@@ -81,9 +81,9 @@ public function write($sessionId, $data);
     /**
      * Destroys a session.
      *
-     * @see http://php.net/sessionhandlerinterface.destroy
+     * @see https://php.net/sessionhandlerinterface.destroy
      *
-     * @param string $sessionId Session ID, see http://php.net/function.session-id
+     * @param string $sessionId Session ID, see https://php.net/function.session-id
      *
      * @return bool true on success, false on failure
      */
@@ -92,7 +92,7 @@ public function destroy($sessionId);
     /**
      * Cleans up expired sessions (garbage collection).
      *
-     * @see http://php.net/sessionhandlerinterface.gc
+     * @see https://php.net/sessionhandlerinterface.gc
      *
      * @param string|int $maxlifetime Sessions that have not updated for the last maxlifetime seconds will be removed
      *