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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Rule to compare two form fields
*
* 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 Alexey Borzov <avb@php.net>
* @copyright 2001-2007 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';
/**
* Rule to compare two form fields
*
* The most common usage for this is to ensure that the password
* confirmation field matches the password field
*
* @category HTML
* @package HTML_QuickForm
* @author Alexey Borzov <avb@php.net>
* @version Release: 3.2.9
* @since 3.2
*/
class HTML_QuickForm_Rule_Compare extends HTML_QuickForm_Rule
{
/**
* Possible operators to use
* @var array
* @access private
*/
var $_operators = array(
'eq' => '===',
'neq' => '!==',
'gt' => '>',
'gte' => '>=',
'lt' => '<',
'lte' => '<=',
'==' => '===',
'!=' => '!=='
);
/**
* Returns the operator to use for comparing the values
*
* @access private
* @param string operator name
* @return string operator to use for validation
*/
function _findOperator($name)
{
if (empty($name)) {
return '===';
} elseif (isset($this->_operators[$name])) {
return $this->_operators[$name];
} elseif (in_array($name, $this->_operators)) {
return $name;
} else {
return '===';
}
}
function validate($values, $operator = null)
{
$operator = $this->_findOperator($operator);
if ('===' != $operator && '!==' != $operator) {
$compareFn = create_function('$a, $b', 'return floatval($a) ' . $operator . ' floatval($b);');
} else {
$compareFn = create_function('$a, $b', 'return strval($a) ' . $operator . ' strval($b);');
}
return $compareFn($values[0], $values[1]);
}
function getValidationScript($operator = null)
{
$operator = $this->_findOperator($operator);
if ('===' != $operator && '!==' != $operator) {
$check = "!(Number({jsVar}[0]) {$operator} Number({jsVar}[1]))";
} else {
$check = "!(String({jsVar}[0]) {$operator} String({jsVar}[1]))";
}
return array('', "'' != {jsVar}[0] && {$check}");
}
}
?>
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