Php 从主题中删除Sendmail ZF2空格

我刚刚为Zend Framework 2创建了一个mailer类。它使用Sendmail类

问题是我用多个词来设置邮件的主题。发送前，我转储主题，所有空格都可以。发送完邮件后，我检查了我的gmail，所有的空间都被删除了

当我运行脚本时，我得到“testemail”作为主题

下面是我创建的类的一部分：

public function addFile($p_sPath, $p_sMimetype, $p_sFilename){
    $rFile = fopen($p_sPath,'rb');
    $this->_m_oAttachment = new Mimepart(fread($rFile,filesize($p_sPath)));
    $this->_m_oAttachment->type = $p_sMimetype;
    $this->_m_oAttachment->filename = $p_sFilename;
    $this->_m_oAttachment->disposition = 'attachment';
    $this->_m_oAttachment->encoding = Mime::ENCODING_BASE64;
}


public function sendEmail()
{
    $aParts = (!is_null($this->_m_oAttachment)) 
            ? array($this->_m_oBodymessage, $this->_m_oAttachment) 
            : array($this->_m_oBodymessage);

    $this->_m_oBodypart->setParts($aParts);

    $this->_m_oMessage->setEncoding('utf-8')
                      ->setBody($this->_m_oBodypart)
                      ->addFrom($this->_fromAddress, $this->_fromName)
                      ->addReplyTo($this->_fromAddress, $this->_fromName)
                      ->setSubject($this->_subject);
                      // even here the spaces are still intact.
    $this->send($this->_m_oMessage);
}



$oMailer = $this->getLocator()->get('Core\Mailer');
$oMailer->setBodyHtml('mail/mail.phtml', array('aData' => $aData));
$oMailer->setSubject('test email');
$oMailer->setRecipient('jacob@myemail.com', 'jacob');
$oMailer->addFile(realpath(dirname(__file__). '/../../../../../'.$sPath.$sSubfolder.'/'.$sFilename), 'application/pdf', $aData['data']['eventID'].'_'.$aDeclaratie['data']['userID'].'.pdf');
$oMailer->sendEmail();

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这是固定的Zend框架2稳定