topical media & game development
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professional-sql-03-lib-POP3Client.php / php



  <?php
  class POP3Client
  {
      private server;
      public response;
  
      // initialize a new POP3Client object
      public function __construct()
      {
          this->server = null;
          this->response = '';
      }
  
      // return true if +OK response received
      private function isOk()
      {
          return substr(this->response, 0, 3) == '+OK';
      }
  
      // open a connection to the POP3 server
      public function connect(server, port = 110)
      {
          if (!this->server = @fsockopen('tcp://' . server, 110))
          {
              return false;
          }
  
          this->response = trim(fgets(this->server, 512));
          if (!this->isOk())
          {
              fclose(this->server);
              return false;
          }
          return true;
      }
  
      // send USER command to server
      public function user(username)
      {
          fwrite(this->server, 'USER ' . username . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send PASS command to server
      public function pass(password)
      {
          fwrite(this->server, 'PASS ' . password . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send NOOP command to server (should always return true
      // or else something is seriously wrong with the POP3 server!)
      public function noop()
      {
          fwrite(this->server, 'NOOP' . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send STAT command to server
      public function _stat()
      {
          fwrite(this->server, 'STAT' . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send LIST command to server, may accept message id
      public function _list()
      {
          if (func_num_args())
          {
              args = func_get_args();
              fwrite(this->server, 'LIST ' . args[0] . "\r\n");
              this->response = trim(fgets(this->server, 512));
              if (!this->isOk())
              {
                  return false;
              }
              else
              {
                  message = explode(' ', this->response);
                  array_shift(message);  // drop +OK
                  message[1] = trim(message[1]);  // trim trailing \r\n
                  return message;
              }
          }
          else
          {
              fwrite(this->server, 'LIST' . "\r\n");
              this->response = trim(fgets(this->server, 512));
              if (!this->isOk())
              {
                  return false;
              }
              else
              {
                  messages = array();
                  while ((line = fgets(this->server, 512)) != '.' . "\r\n")
                  {
                      list(id, size) = explode(' ', line);
                      messages[id] = trim(size);
                  }
                  return messages;
              }
          }
      }
  
      // send RETR command to server
      public function retr(id)
      {
          fwrite(this->server, 'RETR ' . id . "\r\n");
          this->response = trim(fgets(this->server, 512));
          if (!this->isOk())
          {
              return false;
          }
          else
          {
              message = '';
              while ((line = fgets(this->server, 512)) != '.' . "\r\n")
              {
                  message .= line;
              }
              return message;
          }
      }
  
      // send DELE command to server
      public function dele(id)
      {
          fwrite(this->server, 'DELE ' . id . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send RSET command to server
      public function rset()
      {
          fwrite(this->server, 'RSET' . "\r\n");
          this->response = trim(fgets(this->server, 512));
          return this->isOk();
      }
  
      // send QUIT command to server
      public function quit()
      {
          fwrite(this->server, 'QUIT' . "\r\n");
          this->response = trim(fgets(this->server, 512));
          fclose(this->server);
          return this->isOk();
      }
  }
  ?>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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