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Diffstat (limited to 'user_guide_src/source/libraries/form_validation.rst')
| -rw-r--r-- | user_guide_src/source/libraries/form_validation.rst | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/user_guide_src/source/libraries/form_validation.rst b/user_guide_src/source/libraries/form_validation.rst index 16de42338..5f30817eb 100644 --- a/user_guide_src/source/libraries/form_validation.rst +++ b/user_guide_src/source/libraries/form_validation.rst @@ -65,7 +65,7 @@ The Form Using a text editor, create a form called myform.php. In it, place this code and save it to your application/views/ folder:: - <html> + <html lang="en"> <head> <title>My Form</title> </head> @@ -100,7 +100,7 @@ The Success Page Using a text editor, create a form called formsuccess.php. In it, place this code and save it to your application/views/ folder:: - <html> + <html lang="en"> <head> <title>My Form</title> </head> @@ -359,7 +359,7 @@ function calls!** :: - <html> + <html lang="en"> <head> <title>My Form</title> </head> @@ -881,6 +881,24 @@ When a rule group is named identically to a controller class/method it will be used automatically when the ``run()`` method is invoked from that class/method. +Accessing validated/processed data +================================== + +By default, validation will be performed directly on the ``$_POST`` array, +and any possible modifications (like trimming whitespace, for example) +would be written back onto it. +However, if you want to keep the original input data intact, or have used +``set_data()`` to pass a custom set of inputs, you would likely want to +fetch the now-modified data. In order to do that, you can pass a variable +as the second parameter to ``run()``:: + + $input = array('name' => ' White Space '); + $output = NULL; + + $this->form_validation->set_rules('name', 'Name', 'required|trim'); + $this->form_validation->run(NULL, $output); + // $output will now contain: array('name' => 'White Space'); + .. _using-arrays-as-field-names: *************************** @@ -987,6 +1005,7 @@ Rule Parameter Description **valid_emails** No Returns FALSE if any value provided in a comma separated list is not a valid email. **valid_ip** Yes Returns FALSE if the supplied IP address is not valid. Accepts an optional parameter of 'ipv4' or 'ipv6' to specify an IP format. +**valid_mac** No Returns FALSE if the supplied MAC address is not valid. **valid_base64** No Returns FALSE if the supplied string contains anything other than valid Base64 characters. ========================= ========== ============================================================================================= ======================= @@ -1009,7 +1028,6 @@ to use: ==================== ========= ============================================================================================================== Name Parameter Description ==================== ========= ============================================================================================================== -**prep_for_form** No DEPRECATED: Converts special characters so that HTML data can be shown in a form field without breaking it. **prep_url** No Adds "\http://" to URLs if missing. **strip_image_tags** No Strips the HTML from image tags leaving the raw URL. **encode_php_tags** No Converts PHP tags to entities. @@ -1027,13 +1045,14 @@ Class Reference .. php:class:: CI_Form_validation - .. php:method:: set_rules($field[, $label = ''[, $rules = ''[, $errors = array()]]]) + .. php:method:: set_rules($field[, $label = null[, $rules = null[, $errors = array()]]]) :param string $field: Field name :param string $label: Field label :param mixed $rules: Validation rules, as a string list separated by a pipe "|", or as an array or rules :param array $errors: A list of custom error messages :returns: CI_Form_validation instance (method chaining) + :throws: BadMethodCallException If $field is not an array and $rules was not used :rtype: CI_Form_validation Permits you to set validation rules, as described in the tutorial @@ -1042,9 +1061,10 @@ Class Reference - :ref:`setting-validation-rules` - :ref:`saving-groups` - .. php:method:: run([$group = '']) + .. php:method:: run([$config = NULL[, $data = NULL]]) :param string $group: The name of the validation group to run + :param mixed $data: Optional variable to assign validated data to :returns: TRUE on success, FALSE if validation failed :rtype: bool |