<?php
  
  class Pop3Header {
          var $\_fullHeader;\; var$_headerArray;
          
          function Pop3Header($header)\; \{$this->_fullHeader = $header;$this->_parseHeader();
          }
          
          function _parseHeader() {
                  $this->\_headerArray\; =$this->__parseHeader(split("\r\n",$this->\_fullHeader));\; \}\; function\; getHeader($header) {
                  if (array_key_exists($header,$this->_headerArray)) {
                      return $this->\_headerArray[$header];
                  }
                  
                  return "";
          }
          
          function __parseHeader($header)\; \{$last_header = '';
                  $parsed\_header\; =\; Array();\; for($j = 0; header); $j++)\; \{$headerArray = split(":", $header[$j], 2);
                          if (preg_match_all("/\s/", $headerArray[0],$matches) || !array_key_exists(1, $headerArray))\; \{\; if\; ($last_header) 
                                          $parsed\_header[$last_header].="\r\n".trim($header[$j]);
                          } else {
                                  $last\_header\; =\; strtolower($headerArray[0]);
                                  if (array_key_exists($last\_header,$parsed_header)) {
                                      $parsed\_header[$last_header] .= (isset($parsed\_header[$last_header])?"\r\n":"").trim($headerArray[1]);\; \}\; else\; \{$//parsed_header[$last\_header]\; =\; \text{'}\text{'};$
                                          parsed_header[$last\_header]\; =\; ""\; .\; trim($headerArray[1]);
  
                                  }
                                  
                          }
                  }
                  if (is_array($parsed\_header))\; foreach($parsed_header as $hd\_name\; =>$hd_content) {
                                  $start\_enc\_tag\; =$stop_enc_tag = 0;
                                  $pre\_text\; =$enc_text = $post\_text\; =\; "";\; while(1)\; \{\; if(strstr($hd_content,"=?") && strstr(hd_content,"?")>3) {
                                                  $start\_enc\_tag\; =\; strpos($hd_content, "=?");
                                                  $pre\_text\; =\; substr($hd_content, 0, $start\_enc\_tag);\; do\; \{$stop_enc_tag = strpos($hd\_content,\; "?=",$stop_enc_tag) + 2;
                                                          $enc\_text\; =\; substr($hd_content, $start\_enc\_tag,$stop_enc_tag);
                                                  } while (!(substr_count($enc\_text,"?")\; >\; 3));$enc_text = explode("?", $enc\_text,\; 5);\; switch(strtoupper($enc_text[2])) {
                                                                  case "B":
                                                                          $dec\_text\; =\; base64\_decode($enc_text[3]);
                                                                          break;
                                                                  case "Q":
                                                                  
                                                                  default:
                                                                          $dec\_text\; =\; quoted\_printable\_decode($enc_text[3]);
                                                                          $dec\_text\; =\; str\_replace("\_",\; "\; ",$dec_text);
                                                                          break;
                                                          }
                                                          $post\_text\; =\; substr($hd_content,$stop\_enc\_tag);\; if(substr(ltrim($post_text), 0, 2) == "=?")
                                                                  $post\_text\; =\; ltrim($post_text);
                                                          $hd\_content\; =$pre_text.$dec\_text.$post_text;
                                                          $parsed\_header[$hd_name] = $hd\_content;\; \}\; else\; break;\; \}\; \}\; return$parsed_header;
          }
  }
  
  ?>