[ci skip] Fix #3515

1 files changed, 10 insertions, 10 deletions

diff --git a/user_guide_src/source/installation/upgrade_300.rst b/user_guide_src/source/installation/upgrade_300.rst
index 78333c9a3..8983f3d18 100644
--- a/user_guide_src/source/installation/upgrade_300.rst
+++ b/user_guide_src/source/installation/upgrade_300.rst
@@ -297,7 +297,7 @@ Otherwise however, please review your usage of the following functions:
    - input->server()
    - input->input_stream()
 
- - :doc:`Cookie Helper <../helpers/cookie_helper>` :func:`get_cookie()`
+ - :doc:`Cookie Helper <../helpers/cookie_helper>` :php:func:`get_cookie()`
 
 .. important:: Another related change is that the ``$_GET``, ``$_POST``,
 	``$_COOKIE`` and ``$_SERVER`` superglobals are no longer
@@ -527,7 +527,7 @@ CodeIgniter 3.1+.
 String helper repeater()
 ========================
 
-:doc:`String Helper <../helpers/string_helper>` function :func:`repeater()` is now just an alias for
+:doc:`String Helper <../helpers/string_helper>` function :php:func:`repeater()` is now just an alias for
 PHP's native ``str_repeat()`` function. It is deprecated and scheduled for removal in CodeIgniter 3.1+.
 
 .. note:: This function is still available, but you're strongly encouraged to remove its usage sooner
@@ -536,7 +536,7 @@ PHP's native ``str_repeat()`` function. It is deprecated and scheduled for remov
 String helper trim_slashes()
 ============================
 
-:doc:`String Helper <../helpers/string_helper>` function :func:`trim_slashes()` is now just an alias
+:doc:`String Helper <../helpers/string_helper>` function :php:func:`trim_slashes()` is now just an alias
 for PHP's native ``trim()`` function (with a slash passed as its second argument). It is deprecated and
 scheduled for removal in CodeIgniter 3.1+.
 
@@ -546,11 +546,11 @@ scheduled for removal in CodeIgniter 3.1+.
 Form helper form_prep()
 =======================
 
-:doc:`Form Helper <../helpers/form_helper>` function :func:`form_prep()`
+:doc:`Form Helper <../helpers/form_helper>` function :php:func:`form_prep()`
 is now just an alias for :doc:`common function </general/common_functions>`
 :func:`html_escape()`. It is deprecated and will be removed in the future.
 
-Please use :func:`html_escape()` instead.
+Please use :php:func:`html_escape()` instead.
 
 .. note:: This function is still available, but you're strongly encouraged
 	to remove its usage sooner rather than later.
@@ -560,8 +560,8 @@ Email helper functions
 
 :doc:`Email Helper <../helpers/email_helper>` only has two functions
 
- - :func:`valid_email()`
- - :func:`send_email()`
+ - :php:func:`valid_email()`
+ - :php:func:`send_email()`
 
 Both of them are now aliases for PHP's native ``filter_var()`` and ``mail()`` functions, respectively.
 Therefore the :doc:`Email Helper <../helpers/email_helper>` altogether is being deprecated and
@@ -623,7 +623,7 @@ CodeIgniter 3.1+.
 String helper random_string() types 'unique' and 'encrypt'
 ==========================================================
 
-When using the :doc:`String Helper <../helpers/string_helper>` function :func:`random_string()`,
+When using the :doc:`String Helper <../helpers/string_helper>` function :php:func:`random_string()`,
 you should no longer pass the **unique** and **encrypt** randomization types. They are only
 aliases for **md5** and **sha1** respectively and are now deprecated and scheduled for removal
 in CodeIgniter 3.1+.
@@ -634,7 +634,7 @@ in CodeIgniter 3.1+.
 URL helper url_title() separators 'dash' and 'underscore'
 =========================================================
 
-When using the :doc:`URL Helper <../helpers/url_helper>` function :func:`url_title()`, you
+When using the :doc:`URL Helper <../helpers/url_helper>` function :php:func:`url_title()`, you
 should no longer pass **dash** or **underscore** as the word separator. This function will
 now accept any character and you should just pass the chosen character directly, so you
 should write '-' instead of 'dash' and '_' instead of 'underscore'.
@@ -714,7 +714,7 @@ Input library method is_cli_request()
 Calls to the ``CI_Input::is_cli_request()`` method are necessary at many places
 in the CodeIgniter internals and this is often before the :doc:`Input Library
 <../libraries/input>` is loaded. Because of that, it is being replaced by a common
-function named :func:`is_cli()` and this method is now just an alias.
+function named :php:func:`is_cli()` and this method is now just an alias.
 
 The new function is both available at all times for you to use and shorter to type.