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99 lines
3.1 KiB
99 lines
3.1 KiB
2 years ago
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP version 4.0 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2003 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Alexey Borzov <avb@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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require_once 'HTML/QuickForm/Rule.php';
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/**
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* Rule to compare two form fields
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*
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* The most common usage for this is to ensure that the password
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* confirmation field matches the password field
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*
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* @access public
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* @package HTML_QuickForm
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* @version $Revision$
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*/
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class HTML_QuickForm_Rule_Compare extends HTML_QuickForm_Rule
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{
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/**
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* Possible operators to use
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* @var array
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* @access private
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*/
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var $_operators = array(
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'eq' => '==',
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'neq' => '!=',
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'gt' => '>',
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'gte' => '>=',
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'lt' => '<',
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'lte' => '<='
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);
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/**
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* Returns the operator to use for comparing the values
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*
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* @access private
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* @param string operator name
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* @return string operator to use for validation
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*/
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function _findOperator($name)
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{
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if (empty($name)) {
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return '==';
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} elseif (isset($this->_operators[$name])) {
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return $this->_operators[$name];
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} elseif (in_array($name, $this->_operators)) {
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return $name;
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} else {
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return '==';
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}
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}
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function validate($values, $operator = null)
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{
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$operator = $this->_findOperator($operator);
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$a = $values[0];
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$b = $values[1];
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if ($operator == '==') {
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return $a == $b;
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} else if ($operator == '!=') {
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return $a != $b;
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} else {
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// One of: <= , >= , < , > .
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return eval('return ' . floatval($a) . $operator . floatval($b) . ';');
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}
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}
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function getValidationScript($operator = null)
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{
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$operator = $this->_findOperator($operator);
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if ('==' != $operator && '!=' != $operator) {
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$check = "!(Number({jsVar}[0]) {$operator} Number({jsVar}[1]))";
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} else {
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$check = "!({jsVar}[0] {$operator} {jsVar}[1])";
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}
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return array('', "'' != {jsVar}[0] && {$check}");
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}
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}
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?>
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