What's the difference between mysql and mysqli ? Thaks

Answer 1

mainly mysql improved version is known as msqli.
which is consisted with object, prepared statements and many more..

Answer 2

don't use mysql_* its removed on php7 use PDO . (y) its better

Answer 3

MySQL is more used and has more features.

Answer 4

MySQL is legacy now and it will be removed from PHP 7.

MySQLi is the enhanced and modernized version of MYSQL, it has features that MySQL is lack of.