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-rw-r--r--system/libraries/Form_validation.php26
-rw-r--r--user_guide_src/source/changelog.rst1
-rw-r--r--user_guide_src/source/libraries/form_validation.rst33
3 files changed, 49 insertions, 11 deletions
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 852fc7144..9efa9f33c 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -144,14 +144,16 @@ class CI_Form_validation {
* Set Rules
*
* This function takes an array of field names and validation
- * rules as input, validates the info, and stores it
+ * rules as input, any custom error messages, validates the info,
+ * and stores it
*
* @param mixed $field
* @param string $label
* @param mixed $rules
+ * @param array $errors
* @return CI_Form_validation
*/
- public function set_rules($field, $label = '', $rules = '')
+ public function set_rules($field, $label = '', $rules = '', $errors = array())
{
// No reason to set rules if we have no POST data
// or a validation array has not been specified
@@ -175,8 +177,11 @@ class CI_Form_validation {
// If the field label wasn't passed we use the field name
$label = isset($row['label']) ? $row['label'] : $row['field'];
+ // Add the custom error message array
+ $errors = (isset($row['error_msg']) && is_array($row['error_msg'])) ? $row['error_msg'] : array();
+
// Here we go!
- $this->set_rules($row['field'], $label, $row['rules']);
+ $this->set_rules($row['field'], $label, $row['rules'], $errors);
}
return $this;
@@ -224,6 +229,7 @@ class CI_Form_validation {
'field' => $field,
'label' => $label,
'rules' => $rules,
+ 'error_msg' => $errors,
'is_array' => $is_array,
'keys' => $indexes,
'postdata' => NULL,
@@ -602,7 +608,12 @@ class CI_Form_validation {
// Set the message type
$type = in_array('required', $rules) ? 'required' : 'isset';
- if (isset($this->_error_messages[$type]))
+ // Check if a custom message defined
+ if (isset($this->_field_data[$row['field']]['error_msg'][$type]))
+ {
+ $line = $this->_field_data[$row['field']]['error_msg'][$type];
+ }
+ elseif (isset($this->_error_messages[$type]))
{
$line = $this->_error_messages[$type];
}
@@ -746,7 +757,12 @@ class CI_Form_validation {
// Did the rule test negatively? If so, grab the error.
if ($result === FALSE)
{
- if ( ! isset($this->_error_messages[$rule]))
+ // Check if a custom message defined
+ if(isset($this->_field_data[$row['field']]['error_msg'][$rule]))
+ {
+ $line = $this->_field_data[$row['field']]['error_msg'][$rule];
+ }
+ elseif ( ! isset($this->_error_messages[$rule]))
{
if (FALSE === ($line = $this->CI->lang->line('form_validation_'.$rule))
// DEPRECATED support for non-prefixed keys
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index cbc1c6656..314ae8ab0 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -314,6 +314,7 @@ Release Date: Not Released
- Added support for named parameters in error messages.
- :doc:`Language <libraries/language>` line keys must now be prefixed with **form_validation_**.
- Added rule **alpha_numeric_spaces**.
+ - Added **support** for custom error messages **per field rule**.
- :doc:`Caching Library <libraries/caching>` changes include:
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index 8534175bb..00f7c4125 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -200,6 +200,7 @@ The above method takes **three** parameters as input:
message. For example, if your field is named "user" you might give it
a human name of "Username".
#. The validation rules for this form field.
+#. (optional) Set custom error messages on any rules given for current field. If not provided will use the default one.
.. note:: If you would like the field name to be stored in a language
file, please see :ref:`translating-field-names`.
@@ -225,7 +226,9 @@ Your controller should now look like this::
$this->load->library('form_validation');
$this->form_validation->set_rules('username', 'Username', 'required');
- $this->form_validation->set_rules('password', 'Password', 'required');
+ $this->form_validation->set_rules('password', 'Password', 'required',
+ array('required'=>'You must provide a %s.')
+ );
$this->form_validation->set_rules('passconf', 'Password Confirmation', 'required');
$this->form_validation->set_rules('email', 'Email', 'required');
@@ -263,7 +266,10 @@ you use this approach, you must name your array keys as indicated::
array(
'field' => 'password',
'label' => 'Password',
- 'rules' => 'required'
+ 'rules' => 'required',
+ 'error_msg' => array(
+ 'required' => 'You must provide a %s.',
+ ),
),
array(
'field' => 'passconf',
@@ -285,7 +291,14 @@ Cascading Rules
CodeIgniter lets you pipe multiple rules together. Let's try it. Change
your rules in the third parameter of rule setting method, like this::
- $this->form_validation->set_rules('username', 'Username', 'required|min_length[5]|max_length[12]|is_unique[users.username]');
+ $this->form_validation->set_rules(
+ 'username', 'Username',
+ 'required|min_length[5]|max_length[12]|is_unique[users.username]',
+ array(
+ 'required' => 'You have not provided %s.',
+ 'is_unique' => 'This %s already exists.'
+ )
+ );
$this->form_validation->set_rules('password', 'Password', 'required');
$this->form_validation->set_rules('passconf', 'Password Confirmation', 'required|matches[password]');
$this->form_validation->set_rules('email', 'Email', 'required|valid_email|is_unique[users.email]');
@@ -469,11 +482,18 @@ Setting Error Messages
All of the native error messages are located in the following language
file: **system/language/english/form_validation_lang.php**
-To set your own custom message you can either edit that file, or use the
-following method::
+To set your own global custom message for a rule, you can either
+edit that file, or use the following method::
$this->form_validation->set_message('rule', 'Error Message');
+If you need to set a custom error message for a particular field on
+some particular rule, use the set_rules() method::
+
+ $this->form_validation->set_rules('field_name', 'Field Label', 'rule1|rule2|rule3',
+ array('rule2' => 'Error Message on rule2 for this field_name')
+ );
+
Where rule corresponds to the name of a particular rule, and Error
Message is the text you would like displayed.
@@ -941,11 +961,12 @@ The following methods are intended for use in your controller.
$this->form_validation->set_rules()
===================================
- .. php:method:: set_rules ($field, $label = '', $rules = '')
+ .. php:method:: set_rules ($field, $label = '', $rules = '', $errors = array())
:param string $field: The field name
:param string $label: The field label
:param mixed $rules: The rules, as a string with rules separated by a pipe "|", or an array or rules.
+ :param array $errors: Custom error messages
:rtype: Object
Permits you to set validation rules, as described in the tutorial