PHPでポストリクエストをシミュレートする

class Request{

 public static function post($url, $post_data = '', $timeout = 5){//curl

 $ch =curl_init();
curl_setopt($ch,CURLOPT_URL,$url);

curl_setopt($ch,CURLOPT_POST,1);

if($post_data != ''){

curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);

 }

curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);

curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);

curl_setopt($ch, CURLOPT_HEADER, false);

 $file_contents =curl_exec($ch);

curl_close($ch);

 return $file_contents;

 }
 public static function post2($url, $data=array()){//file_get_content

 $postdata = http_build_query(
 $data
 );
 $opts = array('http' =>

 array(

 'method' => 'POST',

 'header' => 'Content-type: application/x-www-form-urlencoded ',

 'コンテンツ' => $postdata

 )

 );
 $context = stream_context_create($opts);
 $result = file_get_contents($url, false, $context);
 return $result;
 }
 public static function post3($host,$path,$query,$others=''){//fsocket


 $post="POST $path HTTP/1.1\r\nホスト: $host\r\n";

 $post.="Content-type: application/x-www-form-";

 $post.="urlencoded\r\n${others}";

 $ post.="ユーザー エージェント: Mozilla 4.0\r\nContent-length: ";

 $post.=strlen($query)."\r\n接続: close\r\n\r\n$query";

 $h=fsockopen($host,80);

 fwrite($h,$post);

 for($a=0,$r='';!$a;){

 $b= fread($h,8192);

 $r.=$b;

 $a=(($b=='')?1:0);

 }

 fclose($h);

 return $r;

 }
}
$url='http://***&/con/Inter.php';
$data=Request::post($url,array('api'=>) ;'tag_list'));
$data2=Request::post2($url,array('api'=>'tag_list'));
echo $data;

PHP、ポスト