メールの送信（添付ファイル付）a-blog cms

gistfile1.php

<php
...

if ( 1
    and $to = $Mail->getArray('AdminTo')
    and $subjectTpl = findTemplate($Mail->get('AdminSubjectTpl'))
    and $bodyTpl = findTemplate($Mail->get('AdminBodyTpl'))
) {
    $Mail->set('adminSubject', $this->getMailTxt($subjectTpl, $Field));
    $Mail->set('adminBody', $this->getMailTxt($bodyTpl, $Field));
    
    $FormMail   = new ACMS_POST_Form_Mail($this->mailConfig());
    $FormMail->setHeaderReturnPath();
    $FormMail->setHeaderDate();
    $FormMail->setHeaderMessageId();
    $FormMail->setHeader('Sender', $sender);
    $FormMail->setHeader('From', $Mail->getArray('AdminFrom'));
    $FormMail->setHeader('To', $to);
    $FormMail->setHeader('Subject', $Mail->get('adminSubject'));
    $FormMail->setHeader('Cc', $Mail->getArray('AdminCc'));
    $FormMail->setHeader('Bcc', $Mail->getArray('AdminBcc'));
    $FormMail->setHeader('Reply-To', $Mail->getArray('AdminReply-To'));
    $FormMail->setHeader('MIME-Version', '1.0');

    if ( file_exists($temppath) && is_file($temppath) ) {
        $FormMail->addFile($temppath);
    }

    $FormMail->setHeader('Content-Type', 'multipart/mixed', array(
        'boundary' => 'ablogcms-'.uniqueString(),
    ));

    $Plain  =& new Mail();
    $Plain->setHeader('Content-Type', 'text/plain', array(
        'charset' => $charset,
    ));
    $Plain->setHeader('Content-Transfer-Encoding', ('ISO-2022-JP' == $charset) ? '7bit' : 'base64');
    $Plain->setBody($Mail->get('adminBody'));
    $FormMail->addBody($Plain);

    $FormMail->send();
}