Added CI_Output::get_header()
(an improved version of PR #645)
Also fixed get_content_type() to only return the MIME value and created
Output library unit tests for both of these methods.
diff --git a/user_guide_src/source/libraries/output.rst b/user_guide_src/source/libraries/output.rst
index 82b1a56..a3d67b8 100644
--- a/user_guide_src/source/libraries/output.rst
+++ b/user_guide_src/source/libraries/output.rst
@@ -53,17 +53,37 @@
$this->output->set_content_type('css', 'utf-8');
-$this->output->get_content_type();
-==========================================
+$this->output->get_content_type()
+=================================
-Returns the Content-Type HTTP header that's currently in use.
+Returns the Content-Type HTTP header that's currently in use,
+excluding the character set value.
$mime = $this->output->get_content_type();
.. note:: If not set, the default return value is 'text/html'.
-$this->output->get_output();
-=============================
+$this->output->get_header()
+===========================
+
+Gets the requested HTTP header value, if set.
+
+If the header is not set, NULL will be returned.
+If an empty value is passed to the method, it will return FALSE.
+
+Example::
+
+ $this->output->set_content_type('text/plain', 'UTF-8');
+ echo $this->output->get_header('content-type');
+ // Outputs: text/plain; charset=utf-8
+
+.. note:: The header name is compared in a case-insensitive manner.
+
+.. note:: Raw headers sent via PHP's native ``header()`` function are
+ also detected.
+
+$this->output->get_output()
+===========================
Permits you to manually retrieve any output that has been sent for
storage in the output class. Usage example::