teach me look
Severity: 8192
Message: Function mcrypt_get_iv_size() is deprecated
Filename: libraries/Encrypt.php
Line Number: 319
Severity: 8192
Message: Function mcrypt_create_iv() is deprecated
Filename: libraries/Encrypt.php
Line Number: 320
Severity: 8192
Message: Function mcrypt_encrypt() is deprecated
Filename: libraries/Encrypt.php
Line Number: 321