diff options
Diffstat (limited to 'user_guide_src/source/libraries/form_validation.rst')
| -rw-r--r-- | user_guide_src/source/libraries/form_validation.rst | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst index 028b61c4c..9ff2d0eb3 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 applications/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 @@ -443,7 +441,6 @@ 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 @@ -466,7 +463,7 @@ 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:: @@ -476,8 +473,18 @@ 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. + + $this->form_validation->set_message('min_length', '{field} must have at least {param} characters.'); + +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." + +.. 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. In the "callback" example above, the error message was set by passing the name of the function:: @@ -577,7 +584,7 @@ Try it! Change your form so that it looks like this:: If there are no errors, nothing will be shown. If there is an error, the message will appear. -**Important Note:** If you use an array as the name of a form field, you +.. note:: **Important Note:** If you use an array as the name of a form field, you must supply it as an array to the function. Example:: <?php echo form_error('options[size]'); ?> @@ -752,7 +759,6 @@ function named signup. Here's what your class might look like:: } } } - ?> In your validation config file, you will name your rule group member/signup:: |