CI_Form_validation

class CI_Form_validation

set_rules($field[, $label = ''[, $rules = '']])

Parameters:	$field (string) – Field name $label (string) – Field label $rules (mixed) – Validation rules, as a string list separated by a pipe “|”, or as an array or rules
Returns:	CI_Form_validation instance (method chaining)
Return type:	CI_Form_validation

Permits you to set validation rules, as described in the tutorial sections above:

• Setting Validation Rules
• Saving Sets of Validation Rules to a Config File

run([$group = ''])

Parameters:	$group (string) – The name of the validation group to run
Returns:	TRUE on success, FALSE if validation failed
Return type:	bool

Runs the validation routines. Returns boolean TRUE on success and FALSE on failure. You can optionally pass the name of the validation group via the method, as described in: Saving Sets of Validation Rules to a Config File

set_message($lang[, $val = ''])

Parameters:	$lang (string) – The rule the message is for $val (string) – The message
Returns:	CI_Form_validation instance (method chaining)
Return type:	CI_Form_validation

Permits you to set custom error messages. See Setting Error Messages

set_error_delimiters([$prefix = '

'[, $suffix = '

']])

Sets the default prefix and suffix for error messages.

set_data($data)

Parameters:	$data (array) – Array of data validate
Returns:	CI_Form_validation instance (method chaining)
Return type:	CI_Form_validation

Permits you to set an array for validation, instead of using the default $_POST array.

reset_validation()

Returns:	CI_Form_validation instance (method chaining)
Return type:	CI_Form_validation

Permits you to reset the validation when you validate more than one array. This method should be called before validating each new array.

error_array()

Returns:	Array of error messages
Return type:	array

Returns the error messages as an array.

error_string([$prefix = ''[, $suffix = '']])

Parameters:	$prefix (string) – Error message prefix $suffix (string) – Error message suffix
Returns:	Error messages as a string
Return type:	string

Returns all error messages (as returned from error_array()) formatted as a string and separated by a newline character.

error($field[, $prefix = ''[, $suffix = '']])

Parameters:	$field (string) – Field name $prefix (string) – Optional prefix $suffix (string) – Optional suffix
Returns:	Error message string
Return type:	string

Returns the error message for a specific field, optionally adding a prefix and/or suffix to it (usually HTML tags).

has_rule($field)

Parameters:	$field (string) – Field name
Returns:	TRUE if the field has rules set, FALSE if not
Return type:	bool

Checks to see if there is a rule set for the specified field.