| Current Path : /opt/cpanel/ea-php54/root/usr/share/pear/HTML/QuickForm/Rule/ |
| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/HTML/QuickForm/Rule/Callback.php |
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Validates values using callback functions or methods
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_QuickForm
* @author Bertrand Mansion <bmansion@mamasam.com>
* @copyright 2001-2011 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id$
* @link http://pear.php.net/package/HTML_QuickForm
*/
/**
* Abstract base class for QuickForm validation rules
*/
require_once 'HTML/QuickForm/Rule.php';
/**
* Validates values using callback functions or methods
*
* @category HTML
* @package HTML_QuickForm
* @author Bertrand Mansion <bmansion@mamasam.com>
* @version Release: 3.2.14
* @since 3.2
*/
class HTML_QuickForm_Rule_Callback extends HTML_QuickForm_Rule
{
/**
* Array of callbacks
*
* Array is in the format:
* $_data['rulename'] = array('functionname', 'classname');
* If the callback is not a method, then the class name is not set.
*
* @var array
* @access private
*/
var $_data = array();
/**
* Whether to use BC mode for specific rules
*
* Previous versions of QF passed element's name as a first parameter
* to validation functions, but not to validation methods. This behaviour
* is emulated if you are using 'function' as rule type when registering.
*
* @var array
* @access private
*/
var $_BCMode = array();
/**
* Validates a value using a callback
*
* @param string $value Value to be checked
* @param mixed $options Options for callback
* @access public
* @return boolean true if value is valid
*/
function validate($value, $options = null)
{
if (isset($this->_data[$this->name])) {
$callback = $this->_data[$this->name];
if (isset($callback[1])) {
return call_user_func(array($callback[1], $callback[0]), $value, $options);
} elseif ($this->_BCMode[$this->name]) {
return $callback[0]('', $value, $options);
} else {
return $callback[0]($value, $options);
}
} elseif (is_callable($options)) {
return call_user_func($options, $value);
} else {
return true;
}
} // end func validate
/**
* Adds new callbacks to the callbacks list
*
* @param string $name Name of rule
* @param string $callback Name of function or method
* @param string $class Name of class containing the method
* @param bool $BCMode Backwards compatibility mode
* @access public
*/
function addData($name, $callback, $class = null, $BCMode = false)
{
if (!empty($class)) {
$this->_data[$name] = array($callback, $class);
} else {
$this->_data[$name] = array($callback);
}
$this->_BCMode[$name] = $BCMode;
} // end func addData
function getValidationScript($options = null)
{
if (isset($this->_data[$this->name])) {
$callback = $this->_data[$this->name][0];
$params = ($this->_BCMode[$this->name]? "'', {jsVar}": '{jsVar}') .
(isset($options)? ", '{$options}'": '');
} else {
$callback = is_array($options)? $options[1]: $options;
$params = '{jsVar}';
}
return array('', "{jsVar} != '' && !{$callback}({$params})");
} // end func getValidationScript
} // end class HTML_QuickForm_Rule_Callback
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