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-rw-r--r--user_guide_src/source/libraries/form_validation.rst183
1 files changed, 87 insertions, 96 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst
index 7478ca0ef..acf1e5619 100644
--- a/user_guide_src/source/libraries/form_validation.rst
+++ b/user_guide_src/source/libraries/form_validation.rst
@@ -139,7 +139,6 @@ this code and save it to your application/controllers/ folder::
}
}
}
- ?>
Try it!
=======
@@ -240,7 +239,6 @@ Your controller should now look like this::
}
}
}
- ?>
Now submit the form with the fields blank and you should see the error
messages. If you submit the form with all the fields populated you'll
@@ -436,7 +434,7 @@ Here's how your controller should now look::
{
if ($str == 'test')
{
- $this->form_validation->set_message('username_check', 'The %s field can not be the word "test"');
+ $this->form_validation->set_message('username_check', 'The {field} field can not be the word "test"');
return FALSE;
}
else
@@ -446,7 +444,6 @@ Here's how your controller should now look::
}
}
- ?>
Reload your form and submit it with the word "test" as the username. You
can see that the form field data was passed to your callback function
@@ -469,7 +466,7 @@ Setting Error Messages
======================
All of the native error messages are located in the following language
-file: language/english/form_validation_lang.php
+file: /system/language/english/form_validation_lang.php
To set your own custom message you can either edit that file, or use the
following function::
@@ -479,29 +476,23 @@ following function::
Where rule corresponds to the name of a particular rule, and Error
Message is the text you would like displayed.
-If you include %s in your error string, it will be replaced with the
-"human" name you used for your field when you set your rules.
+If you'd like to include a field's "human" name, or the optional
+parameter some rules allow for (such as max_length), you can add the
+**{field}** and **{param}** tags to your message, respectively.
-In the "callback" example above, the error message was set by passing
-the name of the function::
+ $this->form_validation->set_message('min_length', '{field} must have at least {param} characters.');
- $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:
-::
+On a field with the human name Username and a rule of min_length[5], an
+error would display: "Username must have at least 5 characters."
- $this->form_validation->set_message('min_length', 'This field must contain at least %2$s characters.');
+.. note:: The old method of using **%s** in your error messages will
+still work, however it will override the tags above. You should use
+one or the other.
-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::
+In the callback rule example above, the error message was set by passing
+the name of the function (without the "callback_" prefix)::
- $this->form_validation->set_message('required', 'Your custom message here');
+ $this->form_validation->set_message('username_check')
.. _translating-field-names:
@@ -613,7 +604,7 @@ In this case, you can specify the array to be validated::
$this->form_validation->set_data($data);
-Creating validation rules, running the validation and retrieving error messages works the
+Creating validation rules, running the validation, and retrieving error messages works the
same whether you are validating ``$_POST`` data or an array.
**Important Note:** If you want to validate more than one array during a single execution, then you should
@@ -678,56 +669,56 @@ rules. We've arbitrarily called these two rules "signup" and "email".
You can name your rules anything you want::
$config = array(
- 'signup' => array(
- array(
- 'field' => 'username',
- 'label' => 'Username',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'password',
- 'label' => 'Password',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'passconf',
- 'label' => 'PasswordConfirmation',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'email',
- 'label' => 'Email',
- 'rules' => 'required'
- )
- ),
- 'email' => array(
- array(
- 'field' => 'emailaddress',
- 'label' => 'EmailAddress',
- 'rules' => 'required|valid_email'
- ),
- array(
- 'field' => 'name',
- 'label' => 'Name',
- 'rules' => 'required|alpha'
- ),
- array(
- 'field' => 'title',
- 'label' => 'Title',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'message',
- 'label' => 'MessageBody',
- 'rules' => 'required'
- )
- )
- );
+ 'signup' => array(
+ array(
+ 'field' => 'username',
+ 'label' => 'Username',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'password',
+ 'label' => 'Password',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'passconf',
+ 'label' => 'Password Confirmation',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'email',
+ 'label' => 'Email',
+ 'rules' => 'required'
+ )
+ ),
+ 'email' => array(
+ array(
+ 'field' => 'emailaddress',
+ 'label' => 'EmailAddress',
+ 'rules' => 'required|valid_email'
+ ),
+ array(
+ 'field' => 'name',
+ 'label' => 'Name',
+ 'rules' => 'required|alpha'
+ ),
+ array(
+ 'field' => 'title',
+ 'label' => 'Title',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'message',
+ 'label' => 'MessageBody',
+ 'rules' => 'required'
+ )
+ )
+ );
Calling a Specific Rule Group
=============================
-In order to call a specific group you will pass its name to the ``run()``
+In order to call a specific group, you will pass its name to the ``run()``
method. For example, to call the signup rule you will do this::
if ($this->form_validation->run('signup') == FALSE)
@@ -770,29 +761,29 @@ In your validation config file, you will name your rule group
member/signup::
$config = array(
- 'member/signup' => array(
- array(
- 'field' => 'username',
- 'label' => 'Username',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'password',
- 'label' => 'Password',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'passconf',
- 'label' => 'PasswordConfirmation',
- 'rules' => 'required'
- ),
- array(
- 'field' => 'email',
- 'label' => 'Email',
- 'rules' => 'required'
- )
- )
- );
+ 'member/signup' => array(
+ array(
+ 'field' => 'username',
+ 'label' => 'Username',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'password',
+ 'label' => 'Password',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'passconf',
+ 'label' => 'PasswordConfirmation',
+ 'rules' => 'required'
+ ),
+ array(
+ 'field' => 'email',
+ 'label' => 'Email',
+ 'rules' => 'required'
+ )
+ )
+ );
When a rule group is named identically to a controller class/function it
will be used automatically when the run() function is invoked from that
@@ -928,8 +919,8 @@ Name Parameter Description
**encode_php_tags** No Converts PHP tags to entities.
==================== ========= ===================================================================================================
-.. note:: You can also use any native PHP functions that permit one
- parameter, like trim, htmlspecialchars, urldecode, etc.
+.. note:: You can also use any native PHP functions that permits one
+ parameter, like ``trim()``, ``htmlspecialchars()``, ``urldecode()``, etc.
.. _function-reference:
@@ -1088,4 +1079,4 @@ This function is identical to the **set_checkbox()** function above.
::
<input type="radio" name="myradio" value="1" <?php echo set_radio('myradio', '1', TRUE); ?> />
- <input type="radio" name="myradio" value="2" <?php echo set_radio('myradio', '2'); ?> /> \ No newline at end of file
+ <input type="radio" name="myradio" value="2" <?php echo set_radio('myradio', '2'); ?> />
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-10 00:58:16 +0200