ip获取所在城市名称接口-PHP

//淘宝接口：根据ip获取所在城市名称
function  get_area( $ip  =  '' ){
    if ( $ip  ==  '' ){
        $ip  = GetIp();
    }
    $url  =  "http://ip.taobao.com/service/getIpInfo.php?ip={$ip}" ;
    $ret  = https_request( $url );
    $arr  = json_decode( $ret ,true);
    return  $arr ;
}

echo  "

" 
      ; 
     

print_r(get_area( '223.67.235.28' ));
echo  "" ;

//新浪接口：根据ip获取所在城市名称
function  GetIpLookup( $ip  =  '' ){
    if ( empty ( $ip )){
        $ip  = GetIp();
    }
    $res  = @ file_get_contents ( 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip='  .  $ip );//新浪的开放API
    if ( empty ( $res )){  return  false; }
    $jsonMatches  =  array ();
    preg_match( '#\{.+?\}#' ,  $res ,  $jsonMatches );
    if (!isset( $jsonMatches [0])){  return  false; }
    $json  = json_decode( $jsonMatches [0], true);
    if (isset( $json [ 'ret' ]) &&  $json [ 'ret' ] == 1){
        $json [ 'ip' ] =  $ip ;
        unset( $json [ 'ret' ]);
    } else {
        return  false;
    }
    return  $json ;
}

echo  '

' 
      ; 
     

// 输出城市等信息
$ipInfos  = GetIpLookup( '123.125.114.144' );  //baidu.com IP地址
var_dump( $ipInfos );

// 输出本地地址
echo  GetIp();

//POST请求函数
function  https_request( $url , $data  = null){
    $curl  = curl_init();

    curl_setopt( $curl ,CURLOPT_URL, $url );
    curl_setopt( $curl ,CURLOPT_SSL_VERIFYPEER,false);
    curl_setopt( $curl ,CURLOPT_SSL_VERIFYHOST,false);

    if (! empty ( $data )){ //如果有数据传入数据
        curl_setopt( $curl ,CURLOPT_POST,1); //CURLOPT_POST 模拟post请求
        curl_setopt( $curl ,CURLOPT_POSTFIELDS, $data ); //传入数据
    }

    curl_setopt( $curl ,CURLOPT_RETURNTRANSFER,1);
    $output  = curl_exec( $curl );
    curl_close( $curl );

    return  $output ;
}

// 获取ip
function  GetIp(){
    $realip  =  '' ;
    $unknown  =  'unknown' ;
    if  (isset( $_SERVER )){
        if (isset( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ]) && ! empty ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ]) &&  strcasecmp ( $_SERVER [ 'HTTP_X_FORWARDED_FOR' ],  $unknown )){
            $arr  =  explode ( ',' ,  $_SERVER [ 'HTTP_X_FORWARDED_FOR' ]);
            foreach ( $arr  as  $ip ){
                $ip  = trim( $ip );
                if  ( $ip  !=  'unknown' ){
                    $realip  =  $ip ;
                    break ;
                }
            }
        } else  if (isset( $_SERVER [ 'HTTP_CLIENT_IP' ]) && ! empty ( $_SERVER [ 'HTTP_CLIENT_IP' ]) &&  strcasecmp ( $_SERVER [ 'HTTP_CLIENT_IP' ],  $unknown )){
            $realip  =  $_SERVER [ 'HTTP_CLIENT_IP' ];
        } else  if (isset( $_SERVER [ 'REMOTE_ADDR' ]) && ! empty ( $_SERVER [ 'REMOTE_ADDR' ]) &&  strcasecmp ( $_SERVER [ 'REMOTE_ADDR' ],  $unknown )){
            $realip  =  $_SERVER [ 'REMOTE_ADDR' ];
        } else {
            $realip  =  $unknown ;
        }
    } else {
        if ( getenv ( 'HTTP_X_FORWARDED_FOR' ) &&  strcasecmp ( getenv ( 'HTTP_X_FORWARDED_FOR' ),  $unknown )){
            $realip  =  getenv ( "HTTP_X_FORWARDED_FOR" );
        } else  if ( getenv ( 'HTTP_CLIENT_IP' ) &&  strcasecmp ( getenv ( 'HTTP_CLIENT_IP' ),  $unknown )){
            $realip  =  getenv ( "HTTP_CLIENT_IP" );
        } else  if ( getenv ( 'REMOTE_ADDR' ) &&  strcasecmp ( getenv ( 'REMOTE_ADDR' ),  $unknown )){
                $realip  =  getenv ( "REMOTE_ADDR" );
        } else {
            $realip  =  $unknown ;
        }
    }
    $realip  = preg_match( "/[\d\.]{7,15}/" ,  $realip ,  $matches ) ?  $matches [0] :  $unknown ;
    return  $realip ;
}