非常优秀 PHP JSON解析器程序

STR: {"i": 23, "array": [1, null, false, true, ["aha", "baba", 23, {"test": 23}]]}
JSON:  time for 100000 iterations: 0.238321
JSOND: time for 100000 iterations: 0.236436

STR: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
JSON:  time for 100000 iterations: 0.110764
JSOND: time for 100000 iterations: 0.134212

STR: {"a": 23.2234232}
JSON:  time for 100000 iterations: 0.078458
JSOND: time for 100000 iterations: 0.055479

STR: {"long-str": "At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Temporibus autem quibusdam et aut officiis debitis aut rerum necessitatibus saepe eveniet ut et voluptates repudiandae sint et molestiae non recusandae. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.", }
JSON:  time for 100000 iterations: 0.881429
JSOND: time for 100000 iterations: 0.118529

STR: ... json_encode($_SERVER)
JSON:  time for 100000 iterations: 4.341252
JSOND: time for 100000 iterations: 1.960814

mixed jsond_decode ( string $json [, bool $assoc = false [, int $depth = 512 [, int $options = 0 ]]] );
string jsond_encode ( mixed $value [, int $options = 0 [, int $depth = 512 ]] );
string jsond_last_error_msg ( void );
int jsond_last_error ( void );

echo filter_var("127.0.0.1","FILTER_VALIDATE_INT"); //返回true or false

if(filter_var($ip, FILTER_VALIDATE_IP)) {
// it's valid
}
else {
// it's not valid
}

functionis_ip($gonten){ 
$ip=explode(”.”,$gonten); 
for($i=0;$i<count($ip);$i++) 
{ 
if($ip[$i]>255){ 
return(0); 
} 
} 
return ereg(”^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$”,$gonten); 
}

function matchip($q){
preg_match('/((25[0-5])|(2[0-4]d)|(1dd)|([1-9]d)|d)(.((25[0-5])|(2[0-4]d)|(1dd)|([1-9]d)|d)){3}/', $q, $matches);
return $matches[0];
}

$ipaddress = '201.103.2.2';
$iperror ='262.3.6.6';
$iptest = matchip( $ipaddress );
//当我们给matchip 的值为$ipaddress输出为201.103.2.2
//当我们给matchip的函数值为$iperror时，输出值为 62.3.6.6

if( $iptest )
{
 echo $iptest;
}
else
{
 echo 'www.111cn.net提示：你输的的ip地址有问题';
}

//使用实例

include 'Mobile_Detect.php';
$detect = new Mobile_Detect();

// Check for any mobile device.
if ($detect->isMobile())

// Check for any tablet.
if($detect->isTablet())

// Check for any mobile device, excluding tablets.
if ($detect->isMobile() && !$detect->isTablet())

if ($detect->isMobile() && !$detect->isTablet())

// Alternative to $detect->isAndroidOS()
$detect->is('AndroidOS');

// Batch usage
foreach($userAgents as $userAgent){
  $detect->setUserAgent($userAgent);
  $isMobile = $detect->isMobile();
}

// Version check.
$detect->version('iPad'); // 4.3 (float)

ua = strtolower($_SERVER['HTTP_USER_AGENT']);

$uachar = "/(nokia|sony|ericsson|mot|samsung|sgh|lg|philips|panasonic|alcatel|lenovo|cldc|midp|mobile|wap)/i";

if(($ua == '' || preg_match($uachar, $ua))&& !strpos(strtolower($_SERVER['REQUEST_URI']),'wap'))
{
    $Loaction = 'wap/';

    if (!empty($Loaction))
    {
        ecs_header("Location: $Loactionn");

        exit;
    }

}

/** 
* 自定义 header 函数，用于过滤可能出现的安全隐患 
* 
* @param   string  string  内容 
* 
* @return  void 
**/ 
function ecs_header($string, $replace = true, $http_response_code = 0) 
{ 
    if (strpos($string, '../upgrade/index.php') === 0) 
    { 
        echo '<script type="text/javascript">window.location.href="' . $string . '";</script>'; 
    } 
    $string = str_replace(array("r", "n"), array('', ''), $string); 
 
    if (preg_match('/^s*location:/is', $string)) 
    { 
        @header($string . "n", $replace); 
 
        exit(); 
    } 
 
    if (emptyempty($http_response_code) || PHP_VERSION < '4.3') 
    { 
        @header($string, $replace); 
    } 
    else   www.111cn.net
    { 
        @header($string, $replace, $http_response_code); 
    } 
} 

var isIPhone = /iPhone/i.test(navigator.userAgent),
 isIPad = /iPad/i.test(navigator.userAgent),
 isAndroid = /android/i.test(navigator.userAgent);
var isIOS = isIPhone  || isIPad;
alert(
 "iPhone? "+isIPhone+"tr"+
 "iPad? "+isIPad+"tr"+
 "Android? "+isAndroid+"tr"+
 "iOS? "+isIOS
);

$str = 'OpenAPI';

$length = mb_strlen($str);

$new = '';

for($i = 0; $i < $length; $i++)
{
 $num = ord($str[$i]);
 $pre = ord($str[$i - 1]);

 $new .= ($i != 0 && ($num >= 65 && $num <= 90) && ($pre >= 97 && $pre <= 122)) ? "_{$str[$i]}" : $str[$i];
} www.111cn.net

echo strtolower($new) . '<br>';

echo strtolower(preg_replace('/((?<=[a-z])(?=[A-Z]))/', '_', $str)).'<br>';

f = new File("d:/temp/t.txt")
if(f.exists()){
    f.eachLine{ line->
        line = line.trim()
        String[] elems = line.split('_')
        for(int i = 0; i < elems.length; i++){
            elems[i] = elems[i].toLowerCase()
            if(i != 0){
                String elem = elems[i]
                char first = elem[0] as char
                elems[i] = "" + (char)(first - 32) + elem.substring(1)
            }
        }
        println elems.join()
    }
}

<?php
include 'include/CurlLoad.class.php'; // 引入读取库
/**
 * 多线程抓取内容
 * @param array $url 待抓取URL列表集合
 * @return 成功返回指定内容，失败返回NULL
 */
function vget($url) {
 $ret = BaiduSRLinksGet ( $url, 1 ); // 获取结果列表地址
 if ($ret != null) {
  if (array_key_exists ( "links", $ret )) {
   $infos = array ();
   $number = count ( $ret ['links'] );
   for($i = 0; $i < $number; $i ++) {//循环创建线程对象
    $thread_array [$i] = new baidu_thread_run ( $ret ['links'] [$i] );
    $thread_array [$i]->start ();
   }
   foreach ( $thread_array as $thread_array_key => $thread_array_value ) {//检查线程是否执行结束
    while ( $thread_array [$thread_array_key]->isRunning () ) {
     usleep ( 10 );
    }
    if ($thread_array [$thread_array_key]->join ()) {//如果执行结束，取出结果
     $temp = $thread_array [$thread_array_key]->data;
     if ($temp != null)
      $infos ['res'] [] = $temp;
    }
   }
   $infos ['pages'] = $ret ['pages'];
   $infos ['status'] = "1";
  } else
  $infos = null;
 } else
  $infos = null;
 return $infos;
}
/**
 * 获取百度搜索结果列表URL
 *
 * @param string $url
 *         搜索结果页URL
 * @param int $format
 *         默认$format=0，获取默认地址；$format=1获取跳转后真实地址
 * @return NULL multitype:array()
 */
function BaiduSRLinksGet($url, $format = 0) {
 $html = CurlLoad::HtmlGet ( $url ); // 获取页面
 if ($html == null)
  return null;
 try {
  preg_match_all ( "/"url":"(?<links>.*)"}/", $html, $rets ); // 搜索结果链接筛选
  if (! array_key_exists ( 'links', $rets )) // 如果数组中不包含Links键名，表示获取失败
   return null;
  $ret = array ();
  if ($format == 1) {
   $number = count ( $rets ['links'] );
   for($i = 0; $i < $number; $i ++) {
    $headr_temp = CurlLoad::Get_Headers ( $rets ['links'] [$i], 1 ); // 通过headr获取真实地址
    if (array_key_exists ( "Location", $headr_temp ))
     $ret ['links'] [$i] = $headr_temp ['Location'];
    else
     $ret ['links'] = $rets ['links'];
   }
  } else
   $ret ['links'] = $rets ['links'];
  preg_match_all ( '/href="?/s?wd=site%3Apan.baidu.com%20(?<url>.+?)&ie=utf-8">/', $html, $out );
  unset ( $out ['url'] [0] );
  $number = count ( $out ['url'] );
  for($i = 1; $i < $number; $i ++) {
   preg_match_all ( '/&pn=(.*)/', $out ['url'] [$i], $temp );
   $ret ['pages'] [$temp [1] [0] / 10] = base64_encode ( $out ['url'] [$i] );
  }
  return $ret;
 } catch ( Exception $e ) {
  WriteLog ( $e );
  return null;
 }
}
/**
 * 百度网盘资源信息获取
 *
 * @param string $url
 *         网盘资源页URL
 * @return NULL array
 */
function PanInfoGet($url) {
 $html = CurlLoad::HtmlGet ( $url ); // 获取页面
 if ($html == null)
  return null;
 try {
  if (preg_match_all ( "/文件名:(?<name>.*) 文件大小:(?<size>.*) 分享者:(?<user>.*) 分享时间:(?<date>.*) 下载次数:(?<number>[0-9]+)/", $html, $ret ) == 0)
   return null;
  $rets ['name'] = $ret ['name'] [0];
  $rets ['size'] = $ret ['size'] [0];
  $rets ['user'] = $ret ['user'] [0];
  $rets ['date'] = $ret ['date'] [0];
  $rets ['number'] = $ret ['number'] [0];
  $rets ['link'] = $url;
  return $rets;
 } catch ( Exception $e ) {
  WriteLog ( $e );
  return null;
 }
}
function WriteLog($str) {
 $file = fopen ( "../error.log", "a+" );
 fwrite ( $file, "Warning:" . date ( "Y/m/d H:i:s" ) . ":" . $str . "rn" );
 fclose ( $file );
}
/**
 * 多线程抓取对象
 * @author MuXi
 *
 */
class baidu_thread_run extends Thread {
 public $url;
 public $data;
 public function __construct($url) {
  $this->url = $url;
 }
 public function run() {
  if (($url = $this->url)) {
   $this->data = PanInfoGet ( $url );//线程执行方法
  }
 }
}
?>