Laravel undefined function openssl_encrypt()

Question

I use laravel5.1 and it works fine on php cli. But i publish my porject to apache(version == 2.4), the problem happened.

FatalErrorException in Encrypter.php line 67:
Call to undefined function openssl_encrypt()

Answer 1

First make sure you installed the openssl extension (spotted by deceze), then:

1. Go to your php.ini file
2. Remove the semicolon before extension=php_openssl.dll
3. Restart your Apache

I'm expecting this to be the problem.