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main/inc/lib/pear/HTML/QuickForm/Rule/Compare.php

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+<?php
+
+/**
+ * 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   2001-2009 The PHP Group
+ * @license     http://www.php.net/license/3_01.txt PHP License 3.01
+ * @version     CVS: $Id: Compare.php,v 1.7 2009/04/04 21:34:04 avb Exp $
+ * @link        http://pear.php.net/package/HTML_QuickForm
+ */
+
+/**
+ * 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: 3.2.11
+ * @since       3.2
+ */
+class HTML_QuickForm_Rule_Compare extends HTML_QuickForm_Rule
+{
+   /**
+    * Possible operators to use
+    * @var array
+    * @access private
+    */
+    public $_operators = array(
+        'eq'  => '===',
+        'neq' => '!==',
+        'gt'  => '>',
+        'gte' => '>=',
+        'lt'  => '<',
+        'lte' => '<=',
+        '=='  => '===',
+        '!='  => '!=='
+    );
+
+   /**
+    * Returns the operator to use for comparing the values
+    *
+    * @access private
+    * @param  string     operator name
+    * @return string     operator to use for validation
+    */
+    public function _findOperator($name)
+    {
+        $name = trim($name);
+        if (empty($name)) {
+            return '===';
+        } elseif (isset($this->_operators[$name])) {
+            return $this->_operators[$name];
+        } elseif (in_array($name, $this->_operators)) {
+            return $name;
+        } else {
+            return '===';
+        }
+    }
+
+    /**
+     * @param array $values
+     * @param string $operator
+     * @return mixed
+     */
+    public function validate($values, $operator = null)
+    {
+        $operator = $this->_findOperator($operator);
+
+        $a = $values[0];
+        $b = $values[1];
+
+        if ('===' != $operator && '!==' != $operator) {
+            $a = floatval($a);
+            $b = floatval($b);
+        } else {
+            $a = strval($a);
+            $b = strval($b);
+        }
+
+        switch ($operator) {
+            case '===':
+                return $a === $b;
+                break;
+            case '!==':
+                return $a !== $b;
+                break;
+            case '>':
+                return $a > $b;
+                break;
+            case '>=':
+                return $a >= $b;
+                break;
+            case '<':
+                return $a < $b;
+                break;
+            case '<=':
+                return $a <= $b;
+                break;
+        }
+    }
+
+    public function getValidationScript($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}");
+    }
+}