D7net Mini Sh3LL v1
| Current File : /var/www/html/hpsc/../informatica/libraries/joomla/language/../string/../observer/../form/form.php |
<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
use Joomla\Registry\Registry;
jimport('joomla.filesystem.path');
jimport('joomla.utilities.arrayhelper');
/**
* Form Class for the Joomla Platform.
*
* This class implements a robust API for constructing, populating, filtering, and validating forms.
* It uses XML definitions to construct form fields and a variety of field and rule classes to
* render and validate the form.
*
* @link http://www.w3.org/TR/html4/interact/forms.html
* @link http://www.w3.org/TR/html5/forms.html
* @since 11.1
*/
class JForm
{
/**
* The Registry data store for form fields during display.
*
* @var Registry
* @since 11.1
*/
protected $data;
/**
* The form object errors array.
*
* @var array
* @since 11.1
*/
protected $errors = array();
/**
* The name of the form instance.
*
* @var string
* @since 11.1
*/
protected $name;
/**
* The form object options for use in rendering and validation.
*
* @var array
* @since 11.1
*/
protected $options = array();
/**
* The form XML definition.
*
* @var SimpleXMLElement
* @since 11.1
*/
protected $xml;
/**
* Form instances.
*
* @var array
* @since 11.1
*/
protected static $forms = array();
/**
* Alows extensions to implement repeating elements
*
* @var mixed
* @since 3.2
*/
public $repeat = false;
/**
* Method to instantiate the form object.
*
* @param string $name The name of the form.
* @param array $options An array of form options.
*
* @since 11.1
*/
public function __construct($name, array $options = array())
{
// Set the name for the form.
$this->name = $name;
// Initialise the Registry data.
$this->data = new Registry;
// Set the options if specified.
$this->options['control'] = isset($options['control']) ? $options['control'] : false;
}
/**
* Method to bind data to the form.
*
* @param mixed $data An array or object of data to bind to the form.
*
* @return boolean True on success.
*
* @since 11.1
*/
public function bind($data)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
// The data must be an object or array.
if (!is_object($data) && !is_array($data))
{
return false;
}
// Convert the input to an array.
if (is_object($data))
{
if ($data instanceof Registry)
{
// Handle a Registry.
$data = $data->toArray();
}
elseif ($data instanceof JObject)
{
// Handle a JObject.
$data = $data->getProperties();
}
else
{
// Handle other types of objects.
$data = (array) $data;
}
}
// Process the input data.
foreach ($data as $k => $v)
{
if ($this->findField($k))
{
// If the field exists set the value.
$this->data->set($k, $v);
}
elseif (is_object($v) || JArrayHelper::isAssociative($v))
{
// If the value is an object or an associative array hand it off to the recursive bind level method.
$this->bindLevel($k, $v);
}
}
return true;
}
/**
* Method to bind data to the form for the group level.
*
* @param string $group The dot-separated form group path on which to bind the data.
* @param mixed $data An array or object of data to bind to the form for the group level.
*
* @return void
*
* @since 11.1
*/
protected function bindLevel($group, $data)
{
// Ensure the input data is an array.
settype($data, 'array');
// Process the input data.
foreach ($data as $k => $v)
{
if ($this->findField($k, $group))
{
// If the field exists set the value.
$this->data->set($group . '.' . $k, $v);
}
elseif (is_object($v) || JArrayHelper::isAssociative($v))
{
// If the value is an object or an associative array, hand it off to the recursive bind level method
$this->bindLevel($group . '.' . $k, $v);
}
}
}
/**
* Method to filter the form data.
*
* @param array $data An array of field values to filter.
* @param string $group The dot-separated form group path on which to filter the fields.
*
* @return mixed Array or false.
*
* @since 11.1
*/
public function filter($data, $group = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
$input = new Registry($data);
$output = new Registry;
// Get the fields for which to filter the data.
$fields = $this->findFieldsByGroup($group);
if (!$fields)
{
// PANIC!
return false;
}
// Filter the fields.
foreach ($fields as $field)
{
$name = (string) $field['name'];
// Get the field groups for the element.
$attrs = $field->xpath('ancestor::fields[@name]/@name');
$groups = array_map('strval', $attrs ? $attrs : array());
$group = implode('.', $groups);
$key = $group ? $group . '.' . $name : $name;
// Filter the value if it exists.
if ($input->exists($key))
{
$output->set($key, $this->filterField($field, $input->get($key, (string) $field['default'])));
}
}
return $output->toArray();
}
/**
* Return all errors, if any.
*
* @return array Array of error messages or RuntimeException objects.
*
* @since 11.1
*/
public function getErrors()
{
return $this->errors;
}
/**
* Method to get a form field represented as a JFormField object.
*
* @param string $name The name of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
* @param mixed $value The optional value to use as the default for the field.
*
* @return mixed The JFormField object for the field or boolean false on error.
*
* @since 11.1
*/
public function getField($name, $group = null, $value = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
// Attempt to find the field by name and group.
$element = $this->findField($name, $group);
// If the field element was not found return false.
if (!$element)
{
return false;
}
return $this->loadField($element, $group, $value);
}
/**
* Method to get an attribute value from a field XML element. If the attribute doesn't exist or
* is null then the optional default value will be used.
*
* @param string $name The name of the form field for which to get the attribute value.
* @param string $attribute The name of the attribute for which to get a value.
* @param mixed $default The optional default value to use if no attribute value exists.
* @param string $group The optional dot-separated form group path on which to find the field.
*
* @return mixed The attribute value for the field.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function getFieldAttribute($name, $attribute, $default = null, $group = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Find the form field element from the definition.
$element = $this->findField($name, $group);
// If the element exists and the attribute exists for the field return the attribute value.
if (($element instanceof SimpleXMLElement) && ((string) $element[$attribute]))
{
return (string) $element[$attribute];
}
// Otherwise return the given default value.
else
{
return $default;
}
}
/**
* Method to get an array of JFormField objects in a given fieldset by name. If no name is
* given then all fields are returned.
*
* @param string $set The optional name of the fieldset.
*
* @return array The array of JFormField objects in the fieldset.
*
* @since 11.1
*/
public function getFieldset($set = null)
{
$fields = array();
// Get all of the field elements in the fieldset.
if ($set)
{
$elements = $this->findFieldsByFieldset($set);
}
// Get all fields.
else
{
$elements = $this->findFieldsByGroup();
}
// If no field elements were found return empty.
if (empty($elements))
{
return $fields;
}
// Build the result array from the found field elements.
foreach ($elements as $element)
{
// Get the field groups for the element.
$attrs = $element->xpath('ancestor::fields[@name]/@name');
$groups = array_map('strval', $attrs ? $attrs : array());
$group = implode('.', $groups);
// If the field is successfully loaded add it to the result array.
if ($field = $this->loadField($element, $group))
{
$fields[$field->id] = $field;
}
}
return $fields;
}
/**
* Method to get an array of fieldset objects optionally filtered over a given field group.
*
* @param string $group The dot-separated form group path on which to filter the fieldsets.
*
* @return array The array of fieldset objects.
*
* @since 11.1
*/
public function getFieldsets($group = null)
{
$fieldsets = array();
$sets = array();
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return $fieldsets;
}
if ($group)
{
// Get the fields elements for a given group.
$elements = &$this->findGroup($group);
foreach ($elements as &$element)
{
// Get an array of <fieldset /> elements and fieldset attributes within the fields element.
if ($tmp = $element->xpath('descendant::fieldset[@name] | descendant::field[@fieldset]/@fieldset'))
{
$sets = array_merge($sets, (array) $tmp);
}
}
}
else
{
// Get an array of <fieldset /> elements and fieldset attributes.
$sets = $this->xml->xpath('//fieldset[@name] | //field[@fieldset]/@fieldset');
}
// If no fieldsets are found return empty.
if (empty($sets))
{
return $fieldsets;
}
// Process each found fieldset.
foreach ($sets as $set)
{
// Are we dealing with a fieldset element?
if ((string) $set['name'])
{
// Only create it if it doesn't already exist.
if (empty($fieldsets[(string) $set['name']]))
{
// Build the fieldset object.
$fieldset = (object) array('name' => '', 'label' => '', 'description' => '');
foreach ($set->attributes() as $name => $value)
{
$fieldset->$name = (string) $value;
}
// Add the fieldset object to the list.
$fieldsets[$fieldset->name] = $fieldset;
}
}
// Must be dealing with a fieldset attribute.
else
{
// Only create it if it doesn't already exist.
if (empty($fieldsets[(string) $set]))
{
// Attempt to get the fieldset element for data (throughout the entire form document).
$tmp = $this->xml->xpath('//fieldset[@name="' . (string) $set . '"]');
// If no element was found, build a very simple fieldset object.
if (empty($tmp))
{
$fieldset = (object) array('name' => (string) $set, 'label' => '', 'description' => '');
}
// Build the fieldset object from the element.
else
{
$fieldset = (object) array('name' => '', 'label' => '', 'description' => '');
foreach ($tmp[0]->attributes() as $name => $value)
{
$fieldset->$name = (string) $value;
}
}
// Add the fieldset object to the list.
$fieldsets[$fieldset->name] = $fieldset;
}
}
}
return $fieldsets;
}
/**
* Method to get the form control. This string serves as a container for all form fields. For
* example, if there is a field named 'foo' and a field named 'bar' and the form control is
* empty the fields will be rendered like: <input name="foo" /> and <input name="bar" />. If
* the form control is set to 'joomla' however, the fields would be rendered like:
* <input name="joomla[foo]" /> and <input name="joomla[bar]" />.
*
* @return string The form control string.
*
* @since 11.1
*/
public function getFormControl()
{
return (string) $this->options['control'];
}
/**
* Method to get an array of JFormField objects in a given field group by name.
*
* @param string $group The dot-separated form group path for which to get the form fields.
* @param boolean $nested True to also include fields in nested groups that are inside of the
* group for which to find fields.
*
* @return array The array of JFormField objects in the field group.
*
* @since 11.1
*/
public function getGroup($group, $nested = false)
{
$fields = array();
// Get all of the field elements in the field group.
$elements = $this->findFieldsByGroup($group, $nested);
// If no field elements were found return empty.
if (empty($elements))
{
return $fields;
}
// Build the result array from the found field elements.
foreach ($elements as $element)
{
// Get the field groups for the element.
$attrs = $element->xpath('ancestor::fields[@name]/@name');
$groups = array_map('strval', $attrs ? $attrs : array());
$group = implode('.', $groups);
// If the field is successfully loaded add it to the result array.
if ($field = $this->loadField($element, $group))
{
$fields[$field->id] = $field;
}
}
return $fields;
}
/**
* Method to get a form field markup for the field input.
*
* @param string $name The name of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
* @param mixed $value The optional value to use as the default for the field.
*
* @return string The form field markup.
*
* @since 11.1
*/
public function getInput($name, $group = null, $value = null)
{
// Attempt to get the form field.
if ($field = $this->getField($name, $group, $value))
{
return $field->input;
}
return '';
}
/**
* Method to get the label for a field input.
*
* @param string $name The name of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
*
* @return string The form field label.
*
* @since 11.1
*/
public function getLabel($name, $group = null)
{
// Attempt to get the form field.
if ($field = $this->getField($name, $group))
{
return $field->label;
}
return '';
}
/**
* Method to get the form name.
*
* @return string The name of the form.
*
* @since 11.1
*/
public function getName()
{
return $this->name;
}
/**
* Method to get the value of a field.
*
* @param string $name The name of the field for which to get the value.
* @param string $group The optional dot-separated form group path on which to get the value.
* @param mixed $default The optional default value of the field value is empty.
*
* @return mixed The value of the field or the default value if empty.
*
* @since 11.1
*/
public function getValue($name, $group = null, $default = null)
{
// If a group is set use it.
if ($group)
{
$return = $this->data->get($group . '.' . $name, $default);
}
else
{
$return = $this->data->get($name, $default);
}
return $return;
}
/**
* Method to get a control group with label and input.
*
* @param string $name The name of the field for which to get the value.
* @param string $group The optional dot-separated form group path on which to get the value.
* @param mixed $default The optional default value of the field value is empty.
*
* @return string A string containing the html for the control goup
*
* @since 3.2
* @deprecated 3.2.3 Use renderField() instead of getControlGroup
*/
public function getControlGroup($name, $group = null, $default = null)
{
JLog::add('JForm->getControlGroup() is deprecated use JForm->renderField().', JLog::WARNING, 'deprecated');
return $this->renderField($name, $group, $default);
}
/**
* Method to get all control groups with label and input of a fieldset.
*
* @param string $name The name of the fieldset for which to get the values.
*
* @return string A string containing the html for the control goups
*
* @since 3.2
* @deprecated 3.2.3 Use renderFieldset() instead of getControlGroups
*/
public function getControlGroups($name)
{
JLog::add('JForm->getControlGroups() is deprecated use JForm->renderFieldset().', JLog::WARNING, 'deprecated');
return $this->renderFieldset($name);
}
/**
* Method to get a control group with label and input.
*
* @param string $name The name of the field for which to get the value.
* @param string $group The optional dot-separated form group path on which to get the value.
* @param mixed $default The optional default value of the field value is empty.
* @param array $options Any options to be passed into the rendering of the field
*
* @return string A string containing the html for the control goup
*
* @since 3.2.3
*/
public function renderField($name, $group = null, $default = null, $options = array())
{
$field = $this->getField($name, $group, $default);
if ($field)
{
return $field->renderField($options);
}
return '';
}
/**
* Method to get all control groups with label and input of a fieldset.
*
* @param string $name The name of the fieldset for which to get the values.
* @param array $options Any options to be passed into the rendering of the field
*
* @return string A string containing the html for the control goups
*
* @since 3.2.3
*/
public function renderFieldset($name, $options = array())
{
$fields = $this->getFieldset($name);
$html = array();
foreach ($fields as $field)
{
$html[] = $field->renderField($options);
}
return implode('', $html);
}
/**
* Method to load the form description from an XML string or object.
*
* The replace option works per field. If a field being loaded already exists in the current
* form definition then the behavior or load will vary depending upon the replace flag. If it
* is set to true, then the existing field will be replaced in its exact location by the new
* field being loaded. If it is false, then the new field being loaded will be ignored and the
* method will move on to the next field to load.
*
* @param string $data The name of an XML string or object.
* @param string $replace Flag to toggle whether form fields should be replaced if a field
* already exists with the same group/name.
* @param string $xpath An optional xpath to search for the fields.
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
*/
public function load($data, $replace = true, $xpath = false)
{
// If the data to load isn't already an XML element or string return false.
if ((!($data instanceof SimpleXMLElement)) && (!is_string($data)))
{
return false;
}
// Attempt to load the XML if a string.
if (is_string($data))
{
try
{
$data = new SimpleXMLElement($data);
}
catch (Exception $e)
{
return false;
}
// Make sure the XML loaded correctly.
if (!$data)
{
return false;
}
}
// If we have no XML definition at this point let's make sure we get one.
if (empty($this->xml))
{
// If no XPath query is set to search for fields, and we have a <form />, set it and return.
if (!$xpath && ($data->getName() == 'form'))
{
$this->xml = $data;
// Synchronize any paths found in the load.
$this->syncPaths();
return true;
}
// Create a root element for the form.
else
{
$this->xml = new SimpleXMLElement('<form></form>');
}
}
// Get the XML elements to load.
$elements = array();
if ($xpath)
{
$elements = $data->xpath($xpath);
}
elseif ($data->getName() == 'form')
{
$elements = $data->children();
}
// If there is nothing to load return true.
if (empty($elements))
{
return true;
}
// Load the found form elements.
foreach ($elements as $element)
{
// Get an array of fields with the correct name.
$fields = $element->xpath('descendant-or-self::field');
foreach ($fields as $field)
{
// Get the group names as strings for ancestor fields elements.
$attrs = $field->xpath('ancestor::fields[@name]/@name');
$groups = array_map('strval', $attrs ? $attrs : array());
// Check to see if the field exists in the current form.
if ($current = $this->findField((string) $field['name'], implode('.', $groups)))
{
// If set to replace found fields, replace the data and remove the field so we don't add it twice.
if ($replace)
{
$olddom = dom_import_simplexml($current);
$loadeddom = dom_import_simplexml($field);
$addeddom = $olddom->ownerDocument->importNode($loadeddom, true);
$olddom->parentNode->replaceChild($addeddom, $olddom);
$loadeddom->parentNode->removeChild($loadeddom);
}
else
{
unset($field);
}
}
}
// Merge the new field data into the existing XML document.
self::addNode($this->xml, $element);
}
// Synchronize any paths found in the load.
$this->syncPaths();
return true;
}
/**
* Method to load the form description from an XML file.
*
* The reset option works on a group basis. If the XML file references
* groups that have already been created they will be replaced with the
* fields in the new XML file unless the $reset parameter has been set
* to false.
*
* @param string $file The filesystem path of an XML file.
* @param string $reset Flag to toggle whether form fields should be replaced if a field
* already exists with the same group/name.
* @param string $xpath An optional xpath to search for the fields.
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
*/
public function loadFile($file, $reset = true, $xpath = false)
{
// Check to see if the path is an absolute path.
if (!is_file($file))
{
// Not an absolute path so let's attempt to find one using JPath.
$file = JPath::find(self::addFormPath(), strtolower($file) . '.xml');
// If unable to find the file return false.
if (!$file)
{
return false;
}
}
// Attempt to load the XML file.
$xml = simplexml_load_file($file);
return $this->load($xml, $reset, $xpath);
}
/**
* Method to remove a field from the form definition.
*
* @param string $name The name of the form field for which remove.
* @param string $group The optional dot-separated form group path on which to find the field.
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function removeField($name, $group = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Find the form field element from the definition.
$element = $this->findField($name, $group);
// If the element exists remove it from the form definition.
if ($element instanceof SimpleXMLElement)
{
$dom = dom_import_simplexml($element);
$dom->parentNode->removeChild($dom);
return true;
}
return false;
}
/**
* Method to remove a group from the form definition.
*
* @param string $group The dot-separated form group path for the group to remove.
*
* @return boolean True on success, false otherwise.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function removeGroup($group)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Get the fields elements for a given group.
$elements = &$this->findGroup($group);
foreach ($elements as &$element)
{
$dom = dom_import_simplexml($element);
$dom->parentNode->removeChild($dom);
return true;
}
return false;
}
/**
* Method to reset the form data store and optionally the form XML definition.
*
* @param boolean $xml True to also reset the XML form definition.
*
* @return boolean True on success.
*
* @since 11.1
*/
public function reset($xml = false)
{
unset($this->data);
$this->data = new Registry;
if ($xml)
{
unset($this->xml);
$this->xml = new SimpleXMLElement('<form></form>');
}
return true;
}
/**
* Method to set a field XML element to the form definition. If the replace flag is set then
* the field will be set whether it already exists or not. If it isn't set, then the field
* will not be replaced if it already exists.
*
* @param SimpleXMLElement $element The XML element object representation of the form field.
* @param string $group The optional dot-separated form group path on which to set the field.
* @param boolean $replace True to replace an existing field if one already exists.
*
* @return boolean True on success.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function setField(SimpleXMLElement $element, $group = null, $replace = true)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Find the form field element from the definition.
$old = $this->findField((string) $element['name'], $group);
// If an existing field is found and replace flag is false do nothing and return true.
if (!$replace && !empty($old))
{
return true;
}
// If an existing field is found and replace flag is true remove the old field.
if ($replace && !empty($old) && ($old instanceof SimpleXMLElement))
{
$dom = dom_import_simplexml($old);
$dom->parentNode->removeChild($dom);
}
// If no existing field is found find a group element and add the field as a child of it.
if ($group)
{
// Get the fields elements for a given group.
$fields = &$this->findGroup($group);
// If an appropriate fields element was found for the group, add the element.
if (isset($fields[0]) && ($fields[0] instanceof SimpleXMLElement))
{
self::addNode($fields[0], $element);
}
}
else
{
// Set the new field to the form.
self::addNode($this->xml, $element);
}
// Synchronize any paths found in the load.
$this->syncPaths();
return true;
}
/**
* Method to set an attribute value for a field XML element.
*
* @param string $name The name of the form field for which to set the attribute value.
* @param string $attribute The name of the attribute for which to set a value.
* @param mixed $value The value to set for the attribute.
* @param string $group The optional dot-separated form group path on which to find the field.
*
* @return boolean True on success.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function setFieldAttribute($name, $attribute, $value, $group = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Find the form field element from the definition.
$element = $this->findField($name, $group);
// If the element doesn't exist return false.
if (!($element instanceof SimpleXMLElement))
{
return false;
}
// Otherwise set the attribute and return true.
else
{
$element[$attribute] = $value;
// Synchronize any paths found in the load.
$this->syncPaths();
return true;
}
}
/**
* Method to set some field XML elements to the form definition. If the replace flag is set then
* the fields will be set whether they already exists or not. If it isn't set, then the fields
* will not be replaced if they already exist.
*
* @param array &$elements The array of XML element object representations of the form fields.
* @param string $group The optional dot-separated form group path on which to set the fields.
* @param boolean $replace True to replace existing fields if they already exist.
*
* @return boolean True on success.
*
* @since 11.1
* @throws UnexpectedValueException
*/
public function setFields(&$elements, $group = null, $replace = true)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('%s::getFieldAttribute `xml` is not an instance of SimpleXMLElement', get_class($this)));
}
// Make sure the elements to set are valid.
foreach ($elements as $element)
{
if (!($element instanceof SimpleXMLElement))
{
throw new UnexpectedValueException(sprintf('$element not SimpleXMLElement in %s::setFields', get_class($this)));
}
}
// Set the fields.
$return = true;
foreach ($elements as $element)
{
if (!$this->setField($element, $group, $replace))
{
$return = false;
}
}
// Synchronize any paths found in the load.
$this->syncPaths();
return $return;
}
/**
* Method to set the value of a field. If the field does not exist in the form then the method
* will return false.
*
* @param string $name The name of the field for which to set the value.
* @param string $group The optional dot-separated form group path on which to find the field.
* @param mixed $value The value to set for the field.
*
* @return boolean True on success.
*
* @since 11.1
*/
public function setValue($name, $group = null, $value = null)
{
// If the field does not exist return false.
if (!$this->findField($name, $group))
{
return false;
}
// If a group is set use it.
if ($group)
{
$this->data->set($group . '.' . $name, $value);
}
else
{
$this->data->set($name, $value);
}
return true;
}
/**
* Method to validate form data.
*
* Validation warnings will be pushed into JForm::errors and should be
* retrieved with JForm::getErrors() when validate returns boolean false.
*
* @param array $data An array of field values to validate.
* @param string $group The optional dot-separated form group path on which to filter the
* fields to be validated.
*
* @return mixed True on sucess.
*
* @since 11.1
*/
public function validate($data, $group = null)
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
$return = true;
// Create an input registry object from the data to validate.
$input = new Registry($data);
// Get the fields for which to validate the data.
$fields = $this->findFieldsByGroup($group);
if (!$fields)
{
// PANIC!
return false;
}
// Validate the fields.
foreach ($fields as $field)
{
$value = null;
$name = (string) $field['name'];
// Get the group names as strings for ancestor fields elements.
$attrs = $field->xpath('ancestor::fields[@name]/@name');
$groups = array_map('strval', $attrs ? $attrs : array());
$group = implode('.', $groups);
// Get the value from the input data.
if ($group)
{
$value = $input->get($group . '.' . $name);
}
else
{
$value = $input->get($name);
}
// Validate the field.
$valid = $this->validateField($field, $group, $value, $input);
// Check for an error.
if ($valid instanceof Exception)
{
array_push($this->errors, $valid);
$return = false;
}
}
return $return;
}
/**
* Method to apply an input filter to a value based on field data.
*
* @param string $element The XML element object representation of the form field.
* @param mixed $value The value to filter for the field.
*
* @return mixed The filtered value.
*
* @since 11.1
*/
protected function filterField($element, $value)
{
// Make sure there is a valid SimpleXMLElement.
if (!($element instanceof SimpleXMLElement))
{
return false;
}
// Get the field filter type.
$filter = (string) $element['filter'];
// Process the input value based on the filter.
$return = null;
switch (strtoupper($filter))
{
// Access Control Rules.
case 'RULES':
$return = array();
foreach ((array) $value as $action => $ids)
{
// Build the rules array.
$return[$action] = array();
foreach ($ids as $id => $p)
{
if ($p !== '')
{
$return[$action][$id] = ($p == '1' || $p == 'true') ? true : false;
}
}
}
break;
// Do nothing, thus leaving the return value as null.
case 'UNSET':
break;
// No Filter.
case 'RAW':
$return = $value;
break;
// Filter the input as an array of integers.
case 'INT_ARRAY':
// Make sure the input is an array.
if (is_object($value))
{
$value = get_object_vars($value);
}
$value = is_array($value) ? $value : array($value);
JArrayHelper::toInteger($value);
$return = $value;
break;
// Filter safe HTML.
case 'SAFEHTML':
$return = JFilterInput::getInstance(null, null, 1, 1)->clean($value, 'html');
break;
// Convert a date to UTC based on the server timezone offset.
case 'SERVER_UTC':
if ((int) $value > 0)
{
// Get the server timezone setting.
$offset = JFactory::getConfig()->get('offset');
// Return an SQL formatted datetime string in UTC.
$return = JFactory::getDate($value, $offset)->toSql();
}
else
{
$return = '';
}
break;
// Convert a date to UTC based on the user timezone offset.
case 'USER_UTC':
if ((int) $value > 0)
{
// Get the user timezone setting defaulting to the server timezone setting.
$offset = JFactory::getUser()->getParam('timezone', JFactory::getConfig()->get('offset'));
// Return a MySQL formatted datetime string in UTC.
$return = JFactory::getDate($value, $offset)->toSql();
}
else
{
$return = '';
}
break;
/*
* Ensures a protocol is present in the saved field unless the relative flag is set.
* Only use when the only permitted protocols require '://'.
* See JFormRuleUrl for list of these.
*/
case 'URL':
if (empty($value))
{
return false;
}
// This cleans some of the more dangerous characters but leaves special characters that are valid.
$value = JFilterInput::getInstance()->clean($value, 'html');
$value = trim($value);
// <>" are never valid in a uri see http://www.ietf.org/rfc/rfc1738.txt.
$value = str_replace(array('<', '>', '"'), '', $value);
// Check for a protocol
$protocol = parse_url($value, PHP_URL_SCHEME);
// If there is no protocol and the relative option is not specified,
// we assume that it is an external URL and prepend http://.
if (($element['type'] == 'url' && !$protocol && !$element['relative'])
|| (!$element['type'] == 'url' && !$protocol))
{
$protocol = 'http';
// If it looks like an internal link, then add the root.
if (substr($value, 0, 9) == 'index.php')
{
$value = JUri::root() . $value;
}
// Otherwise we treat it as an external link.
else
{
// Put the url back together.
$value = $protocol . '://' . $value;
}
}
// If relative URLS are allowed we assume that URLs without protocols are internal.
elseif (!$protocol && $element['relative'])
{
$host = JUri::getInstance('SERVER')->gethost();
// If it starts with the host string, just prepend the protocol.
if (substr($value, 0) == $host)
{
$value = 'http://' . $value;
}
// Otherwise if it doesn't start with "/" prepend the prefix of the current site.
elseif (substr($value, 0, 1) != '/')
{
$value = JUri::root(true) . '/' . $value;
}
}
$value = JStringPunycode::urlToPunycode($value);
$return = $value;
break;
case 'TEL':
$value = trim($value);
// Does it match the NANP pattern?
if (preg_match('/^(?:\+?1[-. ]?)?\(?([2-9][0-8][0-9])\)?[-. ]?([2-9][0-9]{2})[-. ]?([0-9]{4})$/', $value) == 1)
{
$number = (string) preg_replace('/[^\d]/', '', $value);
if (substr($number, 0, 1) == 1)
{
$number = substr($number, 1);
}
if (substr($number, 0, 2) == '+1')
{
$number = substr($number, 2);
}
$result = '1.' . $number;
}
// If not, does it match ITU-T?
elseif (preg_match('/^\+(?:[0-9] ?){6,14}[0-9]$/', $value) == 1)
{
$countrycode = substr($value, 0, strpos($value, ' '));
$countrycode = (string) preg_replace('/[^\d]/', '', $countrycode);
$number = strstr($value, ' ');
$number = (string) preg_replace('/[^\d]/', '', $number);
$result = $countrycode . '.' . $number;
}
// If not, does it match EPP?
elseif (preg_match('/^\+[0-9]{1,3}\.[0-9]{4,14}(?:x.+)?$/', $value) == 1)
{
if (strstr($value, 'x'))
{
$xpos = strpos($value, 'x');
$value = substr($value, 0, $xpos);
}
$result = str_replace('+', '', $value);
}
// Maybe it is already ccc.nnnnnnn?
elseif (preg_match('/[0-9]{1,3}\.[0-9]{4,14}$/', $value) == 1)
{
$result = $value;
}
// If not, can we make it a string of digits?
else
{
$value = (string) preg_replace('/[^\d]/', '', $value);
if ($value != null && strlen($value) <= 15)
{
$length = strlen($value);
// If it is fewer than 13 digits assume it is a local number
if ($length <= 12)
{
$result = '.' . $value;
}
else
{
// If it has 13 or more digits let's make a country code.
$cclen = $length - 12;
$result = substr($value, 0, $cclen) . '.' . substr($value, $cclen);
}
}
// If not let's not save anything.
else
{
$result = '';
}
}
$return = $result;
break;
default:
// Check for a callback filter.
if (strpos($filter, '::') !== false && is_callable(explode('::', $filter)))
{
$return = call_user_func(explode('::', $filter), $value);
}
// Filter using a callback function if specified.
elseif (function_exists($filter))
{
$return = call_user_func($filter, $value);
}
// Filter using JFilterInput. All HTML code is filtered by default.
else
{
$return = JFilterInput::getInstance()->clean($value, $filter);
}
break;
}
return $return;
}
/**
* Method to get a form field represented as an XML element object.
*
* @param string $name The name of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
*
* @return mixed The XML element object for the field or boolean false on error.
*
* @since 11.1
*/
protected function findField($name, $group = null)
{
$element = false;
$fields = array();
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
// Let's get the appropriate field element based on the method arguments.
if ($group)
{
// Get the fields elements for a given group.
$elements = &$this->findGroup($group);
// Get all of the field elements with the correct name for the fields elements.
foreach ($elements as $element)
{
// If there are matching field elements add them to the fields array.
if ($tmp = $element->xpath('descendant::field[@name="' . $name . '"]'))
{
$fields = array_merge($fields, $tmp);
}
}
// Make sure something was found.
if (!$fields)
{
return false;
}
// Use the first correct match in the given group.
$groupNames = explode('.', $group);
foreach ($fields as &$field)
{
// Get the group names as strings for ancestor fields elements.
$attrs = $field->xpath('ancestor::fields[@name]/@name');
$names = array_map('strval', $attrs ? $attrs : array());
// If the field is in the exact group use it and break out of the loop.
if ($names == (array) $groupNames)
{
$element = &$field;
break;
}
}
}
else
{
// Get an array of fields with the correct name.
$fields = $this->xml->xpath('//field[@name="' . $name . '"]');
// Make sure something was found.
if (!$fields)
{
return false;
}
// Search through the fields for the right one.
foreach ($fields as &$field)
{
// If we find an ancestor fields element with a group name then it isn't what we want.
if ($field->xpath('ancestor::fields[@name]'))
{
continue;
}
// Found it!
else
{
$element = &$field;
break;
}
}
}
return $element;
}
/**
* Method to get an array of <field /> elements from the form XML document which are
* in a specified fieldset by name.
*
* @param string $name The name of the fieldset.
*
* @return mixed Boolean false on error or array of SimpleXMLElement objects.
*
* @since 11.1
*/
protected function &findFieldsByFieldset($name)
{
$false = false;
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return $false;
}
/*
* Get an array of <field /> elements that are underneath a <fieldset /> element
* with the appropriate name attribute, and also any <field /> elements with
* the appropriate fieldset attribute. To allow repeatable elements only fields
* which are not descendants of other fields are selected.
*/
$fields = $this->xml->xpath('(//fieldset[@name="' . $name . '"]//field | //field[@fieldset="' . $name . '"])[not(ancestor::field)]');
return $fields;
}
/**
* Method to get an array of <field /> elements from the form XML document which are
* in a control group by name.
*
* @param mixed $group The optional dot-separated form group path on which to find the fields.
* Null will return all fields. False will return fields not in a group.
* @param boolean $nested True to also include fields in nested groups that are inside of the
* group for which to find fields.
*
* @return mixed Boolean false on error or array of SimpleXMLElement objects.
*
* @since 11.1
*/
protected function &findFieldsByGroup($group = null, $nested = false)
{
$false = false;
$fields = array();
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return $false;
}
// Get only fields in a specific group?
if ($group)
{
// Get the fields elements for a given group.
$elements = &$this->findGroup($group);
// Get all of the field elements for the fields elements.
foreach ($elements as $element)
{
// If there are field elements add them to the return result.
if ($tmp = $element->xpath('descendant::field'))
{
// If we also want fields in nested groups then just merge the arrays.
if ($nested)
{
$fields = array_merge($fields, $tmp);
}
// If we want to exclude nested groups then we need to check each field.
else
{
$groupNames = explode('.', $group);
foreach ($tmp as $field)
{
// Get the names of the groups that the field is in.
$attrs = $field->xpath('ancestor::fields[@name]/@name');
$names = array_map('strval', $attrs ? $attrs : array());
// If the field is in the specific group then add it to the return list.
if ($names == (array) $groupNames)
{
$fields = array_merge($fields, array($field));
}
}
}
}
}
}
elseif ($group === false)
{
// Get only field elements not in a group.
$fields = $this->xml->xpath('descendant::fields[not(@name)]/field | descendant::fields[not(@name)]/fieldset/field ');
}
else
{
// Get an array of all the <field /> elements.
$fields = $this->xml->xpath('//field');
}
return $fields;
}
/**
* Method to get a form field group represented as an XML element object.
*
* @param string $group The dot-separated form group path on which to find the group.
*
* @return mixed An array of XML element objects for the group or boolean false on error.
*
* @since 11.1
*/
protected function &findGroup($group)
{
$false = false;
$groups = array();
$tmp = array();
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return $false;
}
// Make sure there is actually a group to find.
$group = explode('.', $group);
if (!empty($group))
{
// Get any fields elements with the correct group name.
$elements = $this->xml->xpath('//fields[@name="' . (string) $group[0] . '"]');
// Check to make sure that there are no parent groups for each element.
foreach ($elements as $element)
{
if (!$element->xpath('ancestor::fields[@name]'))
{
$tmp[] = $element;
}
}
// Iterate through the nested groups to find any matching form field groups.
for ($i = 1, $n = count($group); $i < $n; $i++)
{
// Initialise some loop variables.
$validNames = array_slice($group, 0, $i + 1);
$current = $tmp;
$tmp = array();
// Check to make sure that there are no parent groups for each element.
foreach ($current as $element)
{
// Get any fields elements with the correct group name.
$children = $element->xpath('descendant::fields[@name="' . (string) $group[$i] . '"]');
// For the found fields elements validate that they are in the correct groups.
foreach ($children as $fields)
{
// Get the group names as strings for ancestor fields elements.
$attrs = $fields->xpath('ancestor-or-self::fields[@name]/@name');
$names = array_map('strval', $attrs ? $attrs : array());
// If the group names for the fields element match the valid names at this
// level add the fields element.
if ($validNames == $names)
{
$tmp[] = $fields;
}
}
}
}
// Only include valid XML objects.
foreach ($tmp as $element)
{
if ($element instanceof SimpleXMLElement)
{
$groups[] = $element;
}
}
}
return $groups;
}
/**
* Method to load, setup and return a JFormField object based on field data.
*
* @param string $element The XML element object representation of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
* @param mixed $value The optional value to use as the default for the field.
*
* @return mixed The JFormField object for the field or boolean false on error.
*
* @since 11.1
*/
protected function loadField($element, $group = null, $value = null)
{
// Make sure there is a valid SimpleXMLElement.
if (!($element instanceof SimpleXMLElement))
{
return false;
}
// Get the field type.
$type = $element['type'] ? (string) $element['type'] : 'text';
// Load the JFormField object for the field.
$field = $this->loadFieldType($type);
// If the object could not be loaded, get a text field object.
if ($field === false)
{
$field = $this->loadFieldType('text');
}
/*
* Get the value for the form field if not set.
* Default to the translated version of the 'default' attribute
* if 'translate_default' attribute if set to 'true' or '1'
* else the value of the 'default' attribute for the field.
*/
if ($value === null)
{
$default = (string) $element['default'];
if (($translate = $element['translate_default']) && ((string) $translate == 'true' || (string) $translate == '1'))
{
$lang = JFactory::getLanguage();
if ($lang->hasKey($default))
{
$debug = $lang->setDebug(false);
$default = JText::_($default);
$lang->setDebug($debug);
}
else
{
$default = JText::_($default);
}
}
$value = $this->getValue((string) $element['name'], $group, $default);
}
// Setup the JFormField object.
$field->setForm($this);
if ($field->setup($element, $value, $group))
{
return $field;
}
else
{
return false;
}
}
/**
* Proxy for {@link JFormHelper::loadFieldType()}.
*
* @param string $type The field type.
* @param boolean $new Flag to toggle whether we should get a new instance of the object.
*
* @return mixed JFormField object on success, false otherwise.
*
* @since 11.1
*/
protected function loadFieldType($type, $new = true)
{
return JFormHelper::loadFieldType($type, $new);
}
/**
* Proxy for JFormHelper::loadRuleType().
*
* @param string $type The rule type.
* @param boolean $new Flag to toggle whether we should get a new instance of the object.
*
* @return mixed JFormRule object on success, false otherwise.
*
* @see JFormHelper::loadRuleType()
* @since 11.1
*/
protected function loadRuleType($type, $new = true)
{
return JFormHelper::loadRuleType($type, $new);
}
/**
* Method to synchronize any field, form or rule paths contained in the XML document.
*
* @return boolean True on success.
*
* @since 11.1
* @todo Maybe we should receive all addXXXpaths attributes at once?
*/
protected function syncPaths()
{
// Make sure there is a valid JForm XML document.
if (!($this->xml instanceof SimpleXMLElement))
{
return false;
}
// Get any addfieldpath attributes from the form definition.
$paths = $this->xml->xpath('//*[@addfieldpath]/@addfieldpath');
$paths = array_map('strval', $paths ? $paths : array());
// Add the field paths.
foreach ($paths as $path)
{
$path = JPATH_ROOT . '/' . ltrim($path, '/\\');
self::addFieldPath($path);
}
// Get any addformpath attributes from the form definition.
$paths = $this->xml->xpath('//*[@addformpath]/@addformpath');
$paths = array_map('strval', $paths ? $paths : array());
// Add the form paths.
foreach ($paths as $path)
{
$path = JPATH_ROOT . '/' . ltrim($path, '/\\');
self::addFormPath($path);
}
// Get any addrulepath attributes from the form definition.
$paths = $this->xml->xpath('//*[@addrulepath]/@addrulepath');
$paths = array_map('strval', $paths ? $paths : array());
// Add the rule paths.
foreach ($paths as $path)
{
$path = JPATH_ROOT . '/' . ltrim($path, '/\\');
self::addRulePath($path);
}
return true;
}
/**
* Method to validate a JFormField object based on field data.
*
* @param SimpleXMLElement $element The XML element object representation of the form field.
* @param string $group The optional dot-separated form group path on which to find the field.
* @param mixed $value The optional value to use as the default for the field.
* @param Registry $input An optional Registry object with the entire data set to validate
* against the entire form.
*
* @return mixed Boolean true if field value is valid, Exception on failure.
*
* @since 11.1
* @throws InvalidArgumentException
* @throws UnexpectedValueException
*/
protected function validateField(SimpleXMLElement $element, $group = null, $value = null, Registry $input = null)
{
$valid = true;
// Check if the field is required.
$required = ((string) $element['required'] == 'true' || (string) $element['required'] == 'required');
if ($required)
{
// If the field is required and the value is empty return an error message.
if (($value === '') || ($value === null))
{
if ($element['label'])
{
$message = JText::_($element['label']);
}
else
{
$message = JText::_($element['name']);
}
$message = JText::sprintf('JLIB_FORM_VALIDATE_FIELD_REQUIRED', $message);
return new RuntimeException($message);
}
}
// Get the field validation rule.
if ($type = (string) $element['validate'])
{
// Load the JFormRule object for the field.
$rule = $this->loadRuleType($type);
// If the object could not be loaded return an error message.
if ($rule === false)
{
throw new UnexpectedValueException(sprintf('%s::validateField() rule `%s` missing.', get_class($this), $type));
}
// Run the field validation rule test.
$valid = $rule->test($element, $value, $group, $input, $this);
// Check for an error in the validation test.
if ($valid instanceof Exception)
{
return $valid;
}
}
// Check if the field is valid.
if ($valid === false)
{
// Does the field have a defined error message?
$message = (string) $element['message'];
if ($message)
{
$message = JText::_($element['message']);
return new UnexpectedValueException($message);
}
else
{
$message = JText::_($element['label']);
$message = JText::sprintf('JLIB_FORM_VALIDATE_FIELD_INVALID', $message);
return new UnexpectedValueException($message);
}
}
return true;
}
/**
* Proxy for {@link JFormHelper::addFieldPath()}.
*
* @param mixed $new A path or array of paths to add.
*
* @return array The list of paths that have been added.
*
* @since 11.1
*/
public static function addFieldPath($new = null)
{
return JFormHelper::addFieldPath($new);
}
/**
* Proxy for JFormHelper::addFormPath().
*
* @param mixed $new A path or array of paths to add.
*
* @return array The list of paths that have been added.
*
* @see JFormHelper::addFormPath()
* @since 11.1
*/
public static function addFormPath($new = null)
{
return JFormHelper::addFormPath($new);
}
/**
* Proxy for JFormHelper::addRulePath().
*
* @param mixed $new A path or array of paths to add.
*
* @return array The list of paths that have been added.
*
* @see JFormHelper::addRulePath()
* @since 11.1
*/
public static function addRulePath($new = null)
{
return JFormHelper::addRulePath($new);
}
/**
* Method to get an instance of a form.
*
* @param string $name The name of the form.
* @param string $data The name of an XML file or string to load as the form definition.
* @param array $options An array of form options.
* @param boolean $replace Flag to toggle whether form fields should be replaced if a field
* already exists with the same group/name.
* @param string|boolean $xpath An optional xpath to search for the fields.
*
* @return object JForm instance.
*
* @since 11.1
* @throws InvalidArgumentException if no data provided.
* @throws RuntimeException if the form could not be loaded.
*/
public static function getInstance($name, $data = null, $options = array(), $replace = true, $xpath = false)
{
// Reference to array with form instances
$forms = &self::$forms;
// Only instantiate the form if it does not already exist.
if (!isset($forms[$name]))
{
$data = trim($data);
if (empty($data))
{
throw new InvalidArgumentException(sprintf('JForm::getInstance(name, *%s*)', gettype($data)));
}
// Instantiate the form.
$forms[$name] = new JForm($name, $options);
// Load the data.
if (substr(trim($data), 0, 1) == '<')
{
if ($forms[$name]->load($data, $replace, $xpath) == false)
{
throw new RuntimeException('JForm::getInstance could not load form');
}
}
else
{
if ($forms[$name]->loadFile($data, $replace, $xpath) == false)
{
throw new RuntimeException('JForm::getInstance could not load file');
}
}
}
return $forms[$name];
}
/**
* Adds a new child SimpleXMLElement node to the source.
*
* @param SimpleXMLElement $source The source element on which to append.
* @param SimpleXMLElement $new The new element to append.
*
* @return void
*
* @since 11.1
*/
protected static function addNode(SimpleXMLElement $source, SimpleXMLElement $new)
{
// Add the new child node.
$node = $source->addChild($new->getName(), htmlspecialchars(trim($new)));
// Add the attributes of the child node.
foreach ($new->attributes() as $name => $value)
{
$node->addAttribute($name, $value);
}
// Add any children of the new node.
foreach ($new->children() as $child)
{
self::addNode($node, $child);
}
}
/**
* Update the attributes of a child node
*
* @param SimpleXMLElement $source The source element on which to append the attributes
* @param SimpleXMLElement $new The new element to append
*
* @return void
*
* @since 11.1
*/
protected static function mergeNode(SimpleXMLElement $source, SimpleXMLElement $new)
{
// Update the attributes of the child node.
foreach ($new->attributes() as $name => $value)
{
if (isset($source[$name]))
{
$source[$name] = (string) $value;
}
else
{
$source->addAttribute($name, $value);
}
}
}
/**
* Merges new elements into a source <fields> element.
*
* @param SimpleXMLElement $source The source element.
* @param SimpleXMLElement $new The new element to merge.
*
* @return void
*
* @since 11.1
*/
protected static function mergeNodes(SimpleXMLElement $source, SimpleXMLElement $new)
{
// The assumption is that the inputs are at the same relative level.
// So we just have to scan the children and deal with them.
// Update the attributes of the child node.
foreach ($new->attributes() as $name => $value)
{
if (isset($source[$name]))
{
$source[$name] = (string) $value;
}
else
{
$source->addAttribute($name, $value);
}
}
foreach ($new->children() as $child)
{
$type = $child->getName();
$name = $child['name'];
// Does this node exist?
$fields = $source->xpath($type . '[@name="' . $name . '"]');
if (empty($fields))
{
// This node does not exist, so add it.
self::addNode($source, $child);
}
else
{
// This node does exist.
switch ($type)
{
case 'field':
self::mergeNode($fields[0], $child);
break;
default:
self::mergeNodes($fields[0], $child);
break;
}
}
}
}
/**
* Returns the value of an attribute of the form itself
*
* @param string $name Name of the attribute to get
* @param mixed $default Optional value to return if attribute not found
*
* @return mixed Value of the attribute / default
*
* @since 3.2
*/
public function getAttribute($name, $default = null)
{
if ($this->xml instanceof SimpleXMLElement)
{
$attributes = $this->xml->attributes();
// Ensure that the attribute exists
if (property_exists($attributes, $name))
{
$value = $attributes->$name;
if ($value !== null)
{
return (string) $value;
}
}
}
return $default;
}
/**
* Getter for the form data
*
* @return Registry Object with the data
*
* @since 3.2
*/
public function getData()
{
return $this->data;
}
/**
* Method to get the XML form object
*
* @return SimpleXMLElement The form XML object
*
* @since 3.2
*/
public function getXml()
{
return $this->xml;
}
}
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