<?php
/**
 * 常用靜態(tài)類，這里主要整理了一些PHP常常會用到的方法。
 *
 * @author ZCStrong - youkuiyuan
 */
  class C {
    /*
     * 私有處理隨機(jī)數(shù)的內(nèi)置參數(shù)
     * array 隨機(jī)數(shù)數(shù)組/param 隨機(jī)數(shù)長度
     * 返回一個隨機(jī)數(shù)
     */
    static private function Random($array , $param) {
      $randArray = $array;
      $randCount = count($randArray);
      $num = intval($param);
      $resultStr = "";
      for($i = 0 ; $i < $num ; $i++){
        $resultStr .= $randArray[rand(0, intval($randCount) - 1)];
      }
      return $resultStr;
    }
     
    //隨機(jī)數(shù)（數(shù)字類型）
    static public function Randnum($param = 8){
      $randArray = str_split("1234567890");
      $resultStr = C::Random($randArray,$param);
      return $resultStr;
    }
     
    //隨機(jī)數(shù)（混合類型） - 無0
    static public function RandStr($param = 8 , $capslock = FALSE){
      $randArray = str_split("abcdefghijklmnopqrstuvwxyz123456789ABCDEFGHIGKLMNOPQRSTUVWXYZ");
      $resultStr = C::Random($randArray,$param);
      if($capslock){
        return strtoupper($resultStr);
      }
      else {
        return $resultStr;
      }
    }
     
    //加密字符串
    static public function EnBaseCode($data, $key = "ZCStrong"){
      $key = md5($key);//對于預(yù)設(shè)的KEY，MD5
      $x = 0;
      $len = strlen($data);
      $l = strlen($key);
      for ($i = 0; $i < $len; $i++){
        if ($x == $l){
          $x = 0;
        }
        $char .= $key{$x};
        $x++;
      }
      for ($i = 0; $i < $len; $i++){
        $str .= chr(ord($data{$i}) + (ord($char{$i})) % 256);
      }
      return base64_encode($str);
    }
     
    //機(jī)密字符串
    static public function DeBaseCode($data, $key = "ZCStrong"){
      $key = md5($key);
      $x = 0;
      $data = base64_decode($data);
      $len = strlen($data);
      $l = strlen($key);
      for ($i = 0; $i < $len; $i++){
        if ($x == $l){
          $x = 0;
        }
        $char .= substr($key, $x, 1);
        $x++;
      }
      for ($i = 0; $i < $len; $i++){
        if (ord(substr($data, $i, 1)) < ord(substr($char, $i, 1))){
          $str .= chr((ord(substr($data, $i, 1)) + 256) - ord(substr($char, $i, 1)));
        }
        else{
          $str .= chr(ord(substr($data, $i, 1)) - ord(substr($char, $i, 1)));
        }
      }
      return $str;
    }
     
    //正則手機(jī)號 /^((1[3,5,8][0-9])|(14[5,7])|(17[0,6,7,8]))\d{8}$/
    static public function RegularPhone($string){
      $resultStr = preg_match("/^((1[3,5,8][0-9])|(14[5,7])|(17[0,6,7,8]))\d{8}$/",$string);
      if(intval($resultStr) == 1){
        return TRUE;
      }
      else{
        return FALSE;
      }
    }
 
    //正則郵箱
    static public function RegularEmail($string){
      $resultStr = preg_match("/^([0-9A-Za-z\\-_\\.]+)@([0-9a-z]+\\.[a-z]{2,3}(\\.[a-z]{2})?)$/i",$string);
      if(intval($resultStr) == 1){
        return TRUE;
      }
      else{
        return FALSE;
      }
    }
     
    //正則驗(yàn)證身份證/(^([d]{15}|[d]{18}|[d]{17}x)$)/
    static public function RegularIdCard($string){
      $resultStr = preg_match("/(^([d]{15}|[d]{18}|[d]{17}x)$)/",$string);
      if(intval($resultStr) == 1){
        return TRUE;
      }
      else{
        return FALSE;
      }
    }
     
    //處理字符串信息
    static public function hStr($string){
      if(isset($string) && !empty($string)){
        return addslashes(strip_tags($string));
      }
      else{
        return "";
      }
    }
  }