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-rw-r--r--user_guide_src/source/changelog.rst8
-rw-r--r--user_guide_src/source/general/compatibility_functions.rst52
2 files changed, 58 insertions, 2 deletions
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 9ec4d0d77..ccbb950af 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -508,7 +508,13 @@ Release Date: Not Released
- Changed method ``clean_string()`` to utilize ``mb_convert_encoding()`` if it is available but ``iconv()`` is not.
- Renamed method ``_is_ascii()`` to ``is_ascii()`` and made it public.
- - Added `compatibility layers <general/compatibility_functions>` for PHP's `mbstring <http://php.net/mbstring>`_ (limited support), `hash <http://php.net/hash>`_ and `password <http://php.net/password>`_ extensions.
+ - Added `compatibility layers <general/compatibility_functions>` for:
+
+ - `Multibyte String <http://php.net/mbstring>`_ (limited support).
+ - `Hash <http://php.net/hash>`_ (just ``hash_pbkdf2()``).
+ - `Password Hashing <http://php.net/password>`_.
+ - `Array Functions <http://php.net/book.array>`_ (``array_column()``, ``array_replace()``, ``array_replace_recursive()``).
+
- Removed ``CI_CORE`` boolean constant from *CodeIgniter.php* (no longer Reactor and Core versions).
- Log Library will now try to create the **log_path** directory if it doesn't exist.
- Added support for HTTP-Only cookies with new config option *cookie_httponly* (default FALSE).
diff --git a/user_guide_src/source/general/compatibility_functions.rst b/user_guide_src/source/general/compatibility_functions.rst
index 3495101ac..398403eda 100644
--- a/user_guide_src/source/general/compatibility_functions.rst
+++ b/user_guide_src/source/general/compatibility_functions.rst
@@ -183,4 +183,54 @@ Function reference
:rtype: string
For more information, please refer to the `PHP manual for
- mb_substr() <http://php.net/mb_substr>`_. \ No newline at end of file
+ mb_substr() <http://php.net/mb_substr>`_.
+
+***************
+Array Functions
+***************
+
+This set of compatibility functions offers support for a few
+standard `Array Functions <http://php.net/book.array>`_ in PHP
+that otherwise require a newer PHP version.
+
+Dependancies
+============
+
+- None
+
+Function reference
+==================
+
+.. function:: array_column(array $array, $column_key[, $index_key = NULL])
+
+ :param array $array: Array to fetch results from
+ :param mixed $column_key: Key of the column to return values from
+ :param mixed $index_key: Key to use for the returned values
+ :returns: An array of values representing a single column from the input array
+ :rtype: array
+
+ For more information, please refer to the `PHP manual for
+ array_column() <http://php.net/array_column>`_.
+
+.. function:: array_replace(array $array1[, ...])
+
+ :param array $array1: Array in which to replace elements
+ :param array ...: Array (or multiple ones) from which to extract elements
+ :returns: Modified array
+ :rtype: array
+
+ For more information, please refer to the `PHP manual for
+ array_replace() <http://php.net/array_replace>`_.
+
+.. function:: array_replace_recursive(array $array1[, ...])
+
+ :param array $array1: Array in which to replace elements
+ :param array ...: Array (or multiple ones) from which to extract elements
+ :returns: Modified array
+ :rtype: array
+
+ For more information, please refer to the `PHP manual for
+ array_replace_recursive() <http://php.net/array_replace_recursive>`_.
+
+ .. important:: Only PHP's native function can detect endless recursion.
+ Unless you are running PHP 5.3+, be careful with references! \ No newline at end of file