匹配中文字符串正则表达式

$str_arr = array(
"iameverysorry",
"快乐编程，快乐生活",
"php教程编程",
"1997年香港回归",
"英语学习abc",
"www.111cn.net"
);

$patt_ch = chr(0xa1) . "-" . chr(0xff);

foreach ($str_arr as $str)
{
    echo "字符串'$str' 是";
    if (preg_match("/^[$patt_ch]+$/", $str))
    {
        echo "<b>完全中文</b>";
        echo "<br>";
        echo "<br>";
    }
    else
    {
        echo "非完全中文";
        echo "<br>";
        echo "<br>";
    }
}

class getmacaddr
{
        var $return_array = array(); // 返回带有mac地址的字串数组
        var $mac_addr;
       
        function getmacaddr($os_type)
        {
                switch ( strtolower($os_type) )
                {
                        case "linux":
                                $this->forlinux();
                                break;
                        case "solaris":
                                break;
                        case "unix":
                                break;
                        case "aix":
                                break;
                        default:
                                $this->forwindows();
                                break;
                }
               
                $temp_array = array();
                foreach ( $this->return_array as $value )
                {
                        if ( preg_match( "/[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f][:-]"."[0-9a-f][0-9a-f]/i", $value, $temp_array ) )
                        {
                                $this->mac_addr = $temp_array[0];
                                break;
                        }
                }
                unset($temp_array);
                return $this->mac_addr;
        }

        function forwindows()
        {
                @exec("ipconfig /all", $this->return_array);
                if ( $this->return_array )
                        return $this->return_array;
                else{
                        $ipconfig = $_server["windir"]."system32ipconfig.exe";
                        if ( is_file($ipconfig) )
                                @exec($ipconfig." /all", $this->return_array);
                        else
                                @exec($_server["windir"]."systemipconfig.exe /all", $this->return_array);
                        return $this->return_array;
                }
        }

        function forlinux()
        {
                @exec("ifconfig -a", $this->return_array);
                return $this->return_array;
        }
}
?>
<?
$mac = new getmacaddr(php_os);
echo $mac->mac_addr;

qstring getlocalmac()

　　{

　　int sock_mac;

　　struct ifreq ifr_mac;

　　char mac_addr[30];

　　sock_mac = socket( af_inet, sock_stream, 0 );

　　if( sock_mac == -1)

　　{

　　perror("create socket falise...mac ");

　　return "";

　　}

　　memset(&ifr_mac,0,sizeof(ifr_mac));

　　strncpy(ifr_mac.ifr_name, "eth0", sizeof(ifr_mac.ifr_name)-1);

　　if( (ioctl( sock_mac, siocgifhwaddr, &ifr_mac)) < 0)

　　{

　　printf("mac ioctl error ");

　　return "";

　　}

　　sprintf(mac_addr,"%02x%02x%02x%02x%02x%02x",

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[0],

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[1],

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[2],

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[3],

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[4],

　　(unsigned char)ifr_mac.ifr_hwaddr.sa_data[5]);

　　printf("local mac:%s ",mac_addr);

　　close( sock_mac );

　　return qstring( mac_addr );

　　}

int getalllocaladaptermacaddr(std::list<std::vector<unsigned char> >& mac)

{

    ncb ncb;

    lana_enum adapterlist;

    memset(&ncb, 0, sizeof(ncb));

    ncb.ncb_command = ncbenum;

    ncb.ncb_buffer = (unsigned char *)&adapterlist;

    ncb.ncb_length = sizeof(adapterlist);

    netbios(&ncb);

    mac.resize(0);

    for (int i = 0; i < adapterlist.length ; ++i )

    {

        struct astat

        {

            adapter_status adapt;

            name_buffer    ps教程z_name[30];

        } adapter;

        // reset the lan adapter so that we can begin querying it

        ncb ncb;

        memset( &ncb, 0, sizeof (ncb));

        ncb.ncb_command  = ncbreset;

        ncb.ncb_lana_num = adapterlist.lana[i];

        if (netbios(&ncb) != nrc_goodret)

            continue;

        // prepare to get the adapter status block

        memset(&ncb, 0, sizeof(ncb)) ;

        ncb.ncb_command = ncbastat;

        ncb.ncb_lana_num = adapterlist.lana[ i ];

        strcpy((char *)ncb.ncb_callname, "*" );

        memset(&adapter, 0, sizeof (adapter));

        ncb.ncb_buffer = (unsigned char *)&adapter;

        ncb.ncb_length = sizeof (adapter);

        // get the adapter's info and, if this works, return it in standard,

        // colon-delimited form.

        if ( netbios( &ncb ) == 0 )

        {

            std::vector<unsigned char> v6;

            v6.resize(6);

            for (int i=0; i<6; i++)

                v6[i] = adapter.adapt.adapter_address[i];

            if (v6[0] == 0)

            {

                std::list<std::vector<unsigned char> >::iterator i = mac.begin();

                for (; i!=mac.end(); i++) if (*i == v6)

                    break;

                if (i==mac.end())

                    mac.push_back(v6);

            }

        }

        else

            break;

    }

    return 0;

}

$dir = "d: iles";

$file_list1 = scandir($dir);
//向函数scandir传入第2个参数，如果第2个参数为1，表示按字母降序排列文件名
$file_list2 = scandir($dir,1);

echo "<pre>";
print_r($file_list1);
print_r($file_list2);

echo "php当前的工作目录：";

echo "<br/>";
echo getcwd();
echo "<br/>";

chdir("dir_test");  //改变工作目录至当前目录的dir_test目录下

echo "<br/>";
echo "改变工作目录后，工作目录变为：";
echo "<br/>";

echo getcwd();

<!-- 表单的enctype属性必须指定为multipart/form-data -->
<form enctype="multipart/form-data" action="3.php" method="post">
    上传此文件: <input name="myfile" type="file" />
    <input type="submit" value="提交上传" />
</form>

</body>
</html>

<?php
//将文件移至服务器的根目录的upload目录下，upload事先得建立好
$upload_path = $_server['document_root']."/upload/";
$dest_file = $upload_path.basename($_files['myfile']['name']);

if(move_uploaded_file($_files['myfile']['tmp_name'],$dest_file))
{
 echo "文件已上传至服务器根目录的upload目录下";
}
else
{
 echo "文件上传时发生了一个错误".$_files['myfile']['error']; 
}
?>

<form name="form1" enctype="multipart/form-data" method="post" action="">
  <label for="filefield"></label>
  <input type="file" name="filefield" id="filefield">
  <input type="submit" name="button" id="button" value="上传文件">
</form>
<?php
/*
 * $name;     上传文件名
 * $size：    上传文件大小
 * $path;     文件原路径
 * $newpath:  设置新路径
 * $not:      禁止上传的文件类型数组
 * $notsize:  限制文件大小的值
 * $move:     上传文件源
 *
 */

class fileupload {
 public $name;
 public $size;
 public $path;
 public $newpath;
 public $not = array();
 public $notsize;
 public $move;
 public $allfile = array();
    function __construct($name,$size,$path,$newpath,$not,$notsize) {
     $this ->name = $name;
     $this ->size = $size/1048576;
     $this ->path = $path;
     $this ->newpath = $newpath;
     $this ->not = explode(',',$not);
     $this ->notsize = $notsize;
        $this ->upload();
    }
    /*
     * 上传程序
     * 首先判断目录是否存在
     * 判断文件类型及大小
     */
    function upload(){
     if(!file_exists($this->newpath)){
      echo "<script>alert('该目录不存在！')</script>";
      return;
     }else{
            $arr = explode('.',$this->name);
            if(in_array($arr[1],$this->not)){
             echo "<script>alert('该类型文件禁止上传!')</script>";
             return;
            }else if($this->name == ''){
             echo "<script>alert('请选择上传的文件!')</script>";
             return;
            }else if($this->size>$this->notsize){
             echo "<script>alert('上传文件超过规定大小!')</script>";
             return;
            }else if(file_exists("$this->newpath"."$this->name")){
                echo "<script>alert('该文件已经存在!')</script>";
                return;
            }
            else{
               $this->move = move_uploaded_file($this->path,$this->newpath.$this->name);
               $this->move();
             }
         }
    }
    /*
     * 判断文件上传是否成功
     */
    function move(){
     if($this->move){
      echo "<script>alert('文件上传成功！')</script>";
      return;
     }else{
      echo "<script>alert('上传失败！')</script>";
      return;
     }
    }
}