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<p>我試圖使用php獲取國家代碼。我使用以下代碼，但是得到了這個警告：</p> <???> <p>??? ??</p> </???> <pre class="brush:php;toolbar:false;">?? getIP($ip) { $curl = ?_init(); ?_setopt_array($curl, ??( CURLOPT_URL => "http://ipwho.is/".$ip, CURLOPT_RETURNTRANSFER => ??, CURLOPT_ENCODING => "utf8", CURLOPT_MAXREDIRS => 10, CURLOPT_TIMEOUT => 30, CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1, CURLOPT_CUSTOMREQUEST => "GET", CURLOPT_HTTPHEADER => ??( "??: ??????/json", "??? ??: ??????/json" ), ))); $?? = ?_exec($curl); $err = ?_??($curl); //print_r($??); ?_??($curl); ?? ($err) { "cURL ?? #:"? ?????. . $??; } ? ?? { $??? ?????. } } ?? isIndo($ip) { $ip = getIP($ip); $info = json_decode($ip, true); //print_r($??); if( $info['country_code'] == "ID" ) { ??? ??; } ? ?? { ??? ??; } }</pre> <p>哪里流錯了?</p>