mcrypt_get_key_size()

Question

php study needs to use mcrypt_get_key_size(), how to enable mcrypt_

Answer 1

Enable the PHP extension module Mcrypt in the windows environment

1. Edit php.ini and remove the ';' before extension=php_mcrypt.dll

2. Check d:\ Check whether there is php_mcrypt.dll under **\php5\ext, and whether there is libmcrypt.dll under d:\**\php5

3. Copy libmcrypt.dll to C:\Windows\system32

4. Restart the Apache server