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API16

JFormValidator/validate

From Joomla! Documentation

< API16:JFormValidator
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Contents

Description

Method to validate a group of fields.

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Syntax

validate(&$fields, &$data)
Parameter Name Default Value Description
&$fields $fields An array of fields to validate.
&$data $data The data to validate.

Returns

mixed Array on success, on error.

Defined in

libraries/joomla/form/formvalidator.php

Importing

jimport( 'joomla.form.formvalidator' );

Source Body

public function validate(&$fields, &$data)
{
        $results = array();
 
        foreach ($fields as $name => $field) {
                // Get the data for the field.
                $value = array_key_exists($name, $data) ? $data[$name] : null;
 
                // Check if the field is required.
                if ((string)$field->attributes()->required == 'true') {
                        // Check if the field value is empty.
                        if ($value === '') {
                                // The required field is empty!
                                if ($message = (string)$field->attributes()->message) {
                                        $results[] = new JException(JText::_($message), 0, E_WARNING);
                                } else {
                                        $results[] = new JException(JText::sprintf('Libraries_Form_Validator_Field_Required', JText::_((string)$field->attributes()->name)), 0, E_WARNING);
                                }
 
                                // We don't want to display more than one message per field so continue to the next one.
                                continue;
                        }
                }
 
                // Run the field validator.
                $return = $this->_isValid($field, $data);
 
                // Check for an error.
                if (JError::isError($return)) {
                        return $return;
                }
 
                // Check if the field is valid.
                if ($return === false) {
                        // The field failed validation.
                        if ($message = (string)$field->attributes()->message) {
                                $results[] = new JException(JText::_($message), 0, E_WARNING);
                        } else {
                                $results[] = new JException(JText::sprintf('Libraries_Form_Validator_Field_Invalid', (string)$field->attributes()->name), 0, E_WARNING);
                        }
                }
        }
 
        return $results;
}

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Examples

<CodeExamplesForm />