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authordchill42 <dchill42@gmail.com>2012-10-10 14:16:39 +0200
committerdchill42 <dchill42@gmail.com>2012-10-10 14:16:39 +0200
commit2716398bd2f2ae36d7420c591fc759e0951ba0e2 (patch)
tree3845d6bacc5660559740a8eddd43210bbb14fefd /user_guide_src/source/libraries/form_validation.rst
parenteeb6a480a4a25b7fe96e9ba0cf3aef273fd13c67 (diff)
parente8bc5f4450381b4f978f274f3e93604301115b64 (diff)
Merge branch 'develop' of github.com:/EllisLab/CodeIgniter into load_config_units
Diffstat (limited to 'user_guide_src/source/libraries/form_validation.rst')
-rw-r--r--user_guide_src/source/libraries/form_validation.rst19
1 files changed, 15 insertions, 4 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index 3bcad7ba6..22272dc9b 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -399,7 +399,7 @@ The validation system supports callbacks to your own validation
functions. This permits you to extend the validation class to meet your
needs. For example, if you need to run a database query to see if the
user is choosing a unique username, you can create a callback function
-that does that. Let's create a example of this.
+that does that. Let's create an example of this.
In your controller, change the "username" rule to this::
@@ -488,6 +488,17 @@ the name of the function::
$this->form_validation->set_message('username_check')
+If you are using an error message that can accept two $s in your error string,
+such as:
+::
+
+ $this->form_validation->set_message('min_length', 'The $s field must contain at least $s characters.');
+
+Then you can also use %1$s and %2$s:
+::
+
+ $this->form_validation->set_message('min_length', 'This field must contain at least %2$s characters.');
+
You can also override any error message found in the language file. For
example, to change the message for the "required" rule you will do this::
@@ -861,8 +872,9 @@ Rule Parameter Description
========================= ========== ============================================================================================= =======================
**required** No Returns FALSE if the form element is empty.
**matches** Yes Returns FALSE if the form element does not match the one in the parameter. matches[form_item]
-**is_unique** Yes Returns FALSE if the form element is not unique to the is_unique[table.field]
- table and field name in the parameter. is_unique[table.field]
+**is_unique** Yes Returns FALSE if the form element is not unique to the table and field name in the is_unique[table.field]
+ parameter. Note: This rule requires :doc:`Query Builder <../database/query_builder>` to be
+ enabled in order to work.
**max_length** Yes Returns FALSE if the form element is longer then the parameter value. max_length[12]
**exact_length** Yes Returns FALSE if the form element is not exactly the parameter value. exact_length[8]
**greater_than** Yes Returns FALSE if the form element is less than or equal to the parameter value or not greater_than[8]
@@ -884,7 +896,6 @@ Rule Parameter Description
0, 1, 2, 3, etc.
**is_natural_no_zero** No Returns FALSE if the form element contains anything other than a natural
number, but not zero: 1, 2, 3, etc.
-**is_unique** Yes Returns FALSE if the form element is not unique in a database table. is_unique[table.field]
**valid_email** No Returns FALSE if the form element does not contain a valid email address.
**valid_emails** No Returns FALSE if any value provided in a comma separated list is not a valid email.
**valid_ip** No Returns FALSE if the supplied IP is not valid.