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321 lines
7.4 KiB
321 lines
7.4 KiB
5 years ago
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<?php
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// vim: set et sw=4 ts=4 sts=4 fdm=marker ff=unix fenc=utf8
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/**
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* Typecho Blog Platform
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*
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* 验证类
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* <code>
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* $test = "hello";
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* $Validation = new TypechoValidation();
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* $Validation->form($test, array("alpha" => "不是字符");
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* var_dump($Validation->getErrorMsg());
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* </code>
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*
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* @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org)
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* @license GNU General Public License 2.0
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* @version $Id: Validation.php 106 2008-04-11 02:23:54Z magike.net $
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*/
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/**
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* 验证类
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*
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* @package Validate
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*/
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class Typecho_Validate
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{
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/**
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* 内部数据
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*
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* @access private
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* @var array
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*/
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private $_data;
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/**
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* 当前验证指针
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*
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* @access private
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* @var string
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*/
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private $_key;
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/**
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* 验证规则数组
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*
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* @access private
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* @var array
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*/
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private $_rules = array();
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/**
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* 中断模式,一旦出现验证错误即抛出而不再继续执行
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*
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* @access private
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* @var boolean
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*/
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private $_break = false;
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/**
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* 增加验证规则
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*
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* @access public
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* @param string $key 数值键值
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* @param string $rule 规则名称
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* @param string $message 错误字符串
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* @return Typecho_Validation
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*/
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public function addRule($key, $rule, $message)
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{
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if (func_num_args() <= 3) {
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$this->_rules[$key][] = array($rule, $message);
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} else {
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$params = func_get_args();
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$params = array_splice($params, 3);
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$this->_rules[$key][] = array_merge(array($rule, $message), $params);
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}
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return $this;
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}
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/**
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* 设置为中断模式
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*
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* @access public
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* @return void
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*/
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public function setBreak()
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{
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$this->_break = true;
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}
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/**
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* Run the Validator
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* This function does all the work.
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*
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* @access public
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* @param array $data 需要验证的数据
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* @param array $rules 验证数据遵循的规则
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* @return array
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* @throws Typecho_Validate_Exception
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*/
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public function run(array $data, $rules = NULL)
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{
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$result = array();
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$this->_data = $data;
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$rules = empty($rules) ? $this->_rules : $rules;
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// Cycle through the rules and test for errors
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foreach ($rules as $key => $rules) {
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$this->_key = $key;
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$data[$key] = (is_array($data[$key]) ? 0 == count($data[$key])
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: 0 == strlen($data[$key])) ? NULL : $data[$key];
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foreach ($rules as $params) {
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$method = $params[0];
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if ('required' != $method && 'confirm' != $method && 0 == strlen($data[$key])) {
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continue;
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}
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$message = $params[1];
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$params[1] = $data[$key];
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$params = array_slice($params, 1);
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if (!call_user_func_array(is_array($method) ? $method : array($this, $method), $params)) {
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$result[$key] = $message;
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break;
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}
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}
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/** 开启中断 */
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if ($this->_break && $result) {
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break;
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}
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}
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return $result;
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}
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/**
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* 最小长度
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*
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* @access public
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* @param string $str 待处理的字符串
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* @param integer $length 最小长度
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* @return boolean
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*/
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public static function minLength($str, $length)
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{
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return (Typecho_Common::strLen($str) >= $length);
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}
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/**
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* 验证输入是否一致
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*
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* @access public
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* @param string $str 待处理的字符串
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* @param string $key 需要一致性检查的键值
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* @return boolean
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*/
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public function confirm($str, $key)
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{
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return !empty($this->_data[$key]) ? ($str == $this->_data[$key]) : empty($str);
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}
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/**
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* 是否为空
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*
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* @access public
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* @param string $str 待处理的字符串
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* @return boolean
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*/
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public function required($str)
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{
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return !empty($this->_data[$this->_key]);
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}
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/**
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* 枚举类型判断
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*
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* @access public
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* @param string $str 待处理的字符串
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* @param array $params 枚举值
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* @return unknown
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*/
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public static function enum($str, array $params)
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{
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$keys = array_flip($params);
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return isset($keys[$str]);
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}
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/**
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* Max Length
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*
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* @param $str
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* @param $length
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* @return bool
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*/
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public static function maxLength($str, $length)
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{
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return (Typecho_Common::strLen($str) < $length);
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}
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/**
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* Valid Email
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*
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* @access public
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* @param string
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* @return boolean
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*/
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public static function email($str)
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{
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return preg_match("/^[_a-z0-9-\.]+@([-a-z0-9]+\.)+[a-z]{2,}$/i", $str);
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}
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/**
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* 验证是否为网址
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*
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* @access public
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* @param string $str
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* @return boolean
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*/
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public static function url($str)
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{
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$parts = @parse_url($str);
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if (!$parts) {
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return false;
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}
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return isset($parts['scheme']) &&
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in_array($parts['scheme'], array('http', 'https', 'ftp')) &&
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!preg_match('/(\(|\)|\\\|"|<|>|[\x00-\x08]|[\x0b-\x0c]|[\x0e-\x19])/', $str);
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}
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/**
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* Alpha
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*
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* @access public
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* @param string
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* @return boolean
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*/
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public static function alpha($str)
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{
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return preg_match("/^([a-z])+$/i", $str) ? true : false;
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}
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/**
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* Alpha-numeric
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*
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* @access public
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* @param string
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* @return boolean
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*/
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public static function alphaNumeric($str)
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{
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return preg_match("/^([a-z0-9])+$/i", $str);
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}
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/**
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* Alpha-numeric with underscores and dashes
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*
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* @access public
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* @param string
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* @return boolean
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*/
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public static function alphaDash($str)
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{
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return preg_match("/^([_a-z0-9-])+$/i", $str) ? true : false;
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}
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/**
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* 对xss字符串的检测
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*
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* @access public
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* @param string $str
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* @return boolean
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*/
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public static function xssCheck($str)
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{
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$search = 'abcdefghijklmnopqrstuvwxyz';
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$search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$search .= '1234567890!@#$%^&*()';
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$search .= '~`";:?+/={}[]-_|\'\\';
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for ($i = 0; $i < strlen($search); $i++) {
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// ;? matches the ;, which is optional
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// 0{0,7} matches any padded zeros, which are optional and go up to 8 chars
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// @ @ search for the hex values
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$str = preg_replace('/(&#[xX]0{0,8}'.dechex(ord($search[$i])).';?)/i', $search[$i], $str); // with a ;
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// @ @ 0{0,7} matches '0' zero to seven times
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$str = preg_replace('/(�{0,8}'.ord($search[$i]).';?)/', $search[$i], $str); // with a ;
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}
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return !preg_match('/(\(|\)|\\\|"|<|>|[\x00-\x08]|[\x0b-\x0c]|[\x0e-\x19]|' . "\r|\n|\t" . ')/', $str);
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}
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/**
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* Numeric
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*
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* @access public
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* @param integer
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* @return boolean
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*/
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public static function isFloat($str)
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{
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return preg_match("/^[0-9\.]+$/", $str);
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}
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/**
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* Is Numeric
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*
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* @access public
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* @param string
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* @return boolean
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*/
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public static function isInteger($str)
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{
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return is_numeric($str);
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}
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}
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