Fix a few typos and add a backport (compat) for hex2bin()
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 0895246..4bb2a3e 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -530,7 +530,7 @@
- `Multibyte String <http://php.net/mbstring>`_ (limited support).
- `Hash <http://php.net/hash>`_ (``hash_equals()``, ``hash_pbkdf2()``).
- `Password Hashing <http://php.net/password>`_.
- - `Array Functions <http://php.net/book.array>`_ (``array_column()``, ``array_replace()``, ``array_replace_recursive()``).
+ - `Standard Functions ``array_column()``, ``array_replace()``, ``array_replace_recursive()``, ``hexbin()``.
- 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.
diff --git a/user_guide_src/source/general/compatibility_functions.rst b/user_guide_src/source/general/compatibility_functions.rst
index e685073..0dc8780 100644
--- a/user_guide_src/source/general/compatibility_functions.rst
+++ b/user_guide_src/source/general/compatibility_functions.rst
@@ -7,12 +7,12 @@
but only in higher versions or depending on a certain extension.
Being custom implementations, these functions will also have some
-set of dependancies on their own, but are still useful if your
+set of dependencies on their own, but are still useful if your
PHP setup doesn't offer them natively.
.. note:: Much like the `common functions <common_functions>`, the
compatibility functions are always available, as long as
- their dependancies are met.
+ their dependencies are met.
.. contents::
:local:
@@ -29,7 +29,7 @@
standard `Password Hashing extension <http://php.net/password>`_
that is otherwise available only since PHP 5.5.
-Dependancies
+Dependencies
============
- PHP 5.3.7
@@ -65,7 +65,7 @@
password_hash() <http://php.net/password_hash>`_.
.. note:: Unless you provide your own (and valid) salt, this function
- has a further dependancy on an available CSPRNG source. Each
+ has a further dependency on an available CSPRNG source. Each
of the following would satisfy that:
- ``mcrypt_create_iv()`` with ``MCRYPT_DEV_URANDOM``
- ``openssl_random_pseudo_bytes()``
@@ -101,7 +101,7 @@
and ``hash_pbkdf2()`` functions, which otherwise require PHP 5.6 and/or
PHP 5.5 respectively.
-Dependancies
+Dependencies
============
- None
@@ -144,19 +144,19 @@
.. note:: When a character set parameter is ommited,
``$config['charset']`` will be used.
-Dependancies
+Dependencies
============
- `iconv <http://php.net/iconv>`_ extension
-.. important:: This dependancy is optional and these functions will
+.. important:: This dependency is optional and these functions will
always be declared. If iconv is not available, they WILL
fall-back to their non-mbstring versions.
.. important:: Where a character set is supplied, it must be
supported by iconv and in a format that it recognizes.
-.. note:: For you own dependancy check on the actual mbstring
+.. note:: For you own dependency check on the actual mbstring
extension, use the ``MB_ENABLED`` constant.
Function reference
@@ -196,15 +196,14 @@
For more information, please refer to the `PHP manual for
mb_substr() <http://php.net/mb_substr>`_.
-***************
-Array Functions
-***************
+******************
+Standard Functions
+******************
This set of compatibility functions offers support for a few
-standard `Array Functions <http://php.net/book.array>`_ in PHP
-that otherwise require a newer PHP version.
+standard functions in PHP that otherwise require a newer PHP version.
-Dependancies
+Dependencies
============
- None
@@ -244,4 +243,13 @@
array_replace_recursive() <http://php.net/array_replace_recursive>`_.
.. important:: Only PHP's native function can detect endless recursion.
- Unless you are running PHP 5.3+, be careful with references!
\ No newline at end of file
+ Unless you are running PHP 5.3+, be careful with references!
+
+.. function:: hex2bin($data)
+
+ :param array $data: Hexadecimal representation of data
+ :returns: Binary representation of the given data
+ :rtype: string
+
+ For more information, please refer to the `PHP manual for hex2bin()
+ <http://php.net/hex2bin>`_.
\ No newline at end of file
diff --git a/user_guide_src/source/libraries/encryption.rst b/user_guide_src/source/libraries/encryption.rst
index 5d92b10..f29ebf4 100644
--- a/user_guide_src/source/libraries/encryption.rst
+++ b/user_guide_src/source/libraries/encryption.rst
@@ -5,13 +5,13 @@
The Encryption Library provides two-way data encryption. To do so in
a cryptographically secure way, it utilizes PHP extensions that are
unfortunately not always available on all systems.
-You must meet one of the following dependancies in order to use this
+You must meet one of the following dependencies in order to use this
library:
- `OpenSSL <http://php.net/openssl>`_ (and PHP 5.3.3)
- `MCrypt <http://php.net/mcrypt>`_ (and `MCRYPT_DEV_URANDOM` availability)
-If neither of the above dependancies is met, we simply cannot offer
+If neither of the above dependencies is met, we simply cannot offer
you a good enough implementation to meet the high standards required
for proper cryptography.