title: Laravel undefined function openssl_encrypt()
body: <p>I use laravel5.1 and it works fine on php cli.
  But i publish my porject to apache(version == 2.4), the problem happened.</p>
  
  <blockquote>
    <p>FatalErrorException in Encrypter.php line 67:<br>
    Call to undefined function openssl_encrypt()</p>
  </blockquote>