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POP3::get( $msgNum )

Source

File: wp-includes/class-pop3.php 

function get ($msgNum) {
        //  Retrieve the specified msg number. Returns an array
        //  where each line of the msg is an array element.

        if(!isset($this->FP))
        {
            $this->ERROR = "POP3 get: " . _("No connection to server");
            return false;
        }

        $this->update_timer();

        $fp = $this->FP;
        $buffer = $this->BUFFER;
        $cmd = "RETR $msgNum";
        $reply = $this->send_cmd($cmd);

        if(!$this->is_ok($reply))
        {
            $this->ERROR = "POP3 get: " . _("Error ") . "[$reply]";
            return false;
        }

        $count = 0;
        $MsgArray = array();

        $line = fgets($fp,$buffer);
        while ( !preg_match('/^\.\r\n/',$line))
        {
            if ( $line[0] == '.' ) { $line = substr($line,1); }
            $MsgArray[$count] = $line;
            $count++;
            $line = fgets($fp,$buffer);
            if(empty($line))    { break; }
        }
        return $MsgArray;
    }

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/pop3/get