PHP three ways to send post requests

  This article mainly introduces three kinds of methods that PHP sends POST request, use curl, file_get_content, fsocket to realize post submission data respectively, need friend can refer to under

  Code as follows: Class request{      public static function post ($url, $post _data = ', $timeout = 5) {//curl & nbsp         $ch = Curl_init ();           curl_setopt ($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) &nbsp ;           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) {//file_get_content                      $postdata = http_build_query (              $data         &N Bsp );                      $opts = Array (' http ' =>     &NBSP ;                   Array (              &NB Sp             ' method '  => ' POST ',               &N Bsp             ' header '  => ' content-type:application/x-www-form-urlencoded ',                             ' content ' => $postdata &nbsp ;                      )             &NBsp                  $context = Stream_context_create ($opts);             $result = file_get_contents ($url, False, $context);           return $result;        }         public static function Post3 ($host, $path, $query, $others = ') {//fs Ocket             $post = "Post $path http/1.1rnhost: $hostrn";           $post. = "content-type:application/x-www-form-";           $post. = "Urlencodedrn${others}";           $post. = "User-agent:mozilla 4.0rncontent-length:";           $post. =strlen ($query). Rnconnection:closernrn$query ";           $h =fsockopen ($host, 80);           fwrite ($h, $post);           for ($a =0, $r = ';! $a;) {          &NBsp       $b =fread ($h, 8192);                   $r. = $b;                   $a = (($b = = ")? 1:0);              ,           fclose ($h);           return $r;      }}