POP3

19class POP3 {20    var $ERROR      = '';       //  Error string.21 22    var $TIMEOUT    = 60;       //  Default timeout before giving up on a23                                //  network operation.24 25    var $COUNT      = -1;       //  Mailbox msg count26 27    var $BUFFER     = 512;      //  Socket buffer for socket fgets() calls.28                                //  Per RFC 1939 the returned line a POP329                                //  server can send is 512 bytes.30 31    var $FP         = '';       //  The connection to the server's32                                //  file descriptor33 34    var $MAILSERVER = '';       // Set this to hard code the server name35 36    var $DEBUG      = FALSE;    // set to true to echo pop337                                // commands and responses to error_log38                                // this WILL log passwords!39 40    var $BANNER     = '';       //  Holds the banner returned by the41                                //  pop server - used for apop()42 43    var $ALLOWAPOP  = FALSE;    //  Allow or disallow apop()44                                //  This must be set to true45                                //  manually46 47	/**48	 * PHP5 constructor.49	 */50    function __construct ( $server = '', $timeout = '' ) {51        settype($this->BUFFER,"integer");52        if( !empty($server) ) {53            // Do not allow programs to alter MAILSERVER54            // if it is already specified. They can get around55            // this if they -really- want to, so don't count on it.56            if(empty($this->MAILSERVER))57                $this->MAILSERVER = $server;58        }59        if(!empty($timeout)) {60            settype($timeout,"integer");61            $this->TIMEOUT = $timeout;62            // Extend POP3 request timeout to the specified TIMEOUT property.63            if(function_exists("set_time_limit")){64                set_time_limit($timeout);65            }66        }67        return true;68    }69 70	/**71	 * PHP4 constructor.72	 */73	public function POP3( $server = '', $timeout = '' ) {74		self::__construct( $server, $timeout );75	}76 77    function update_timer () {78        // Extend POP3 request timeout to the specified TIMEOUT property.79        if(function_exists("set_time_limit")){80            set_time_limit($this->TIMEOUT);81        }82        return true;83    }84 85    function connect ($server, $port = 110)  {86        //  Opens a socket to the specified server. Unless overridden,87        //  port defaults to 110. Returns true on success, false on fail88 89        // If MAILSERVER is set, override $server with its value.90 91    if (!isset($port) || !$port) {$port = 110;}92        if(!empty($this->MAILSERVER))93            $server = $this->MAILSERVER;94 95        if(empty($server)){96            $this->ERROR = "POP3 connect: " . _("No server specified");97            unset($this->FP);98            return false;