I am converting a program from PHP 5.6 to use PHP 7.4. And I am confused about PDO. I thought in using PHP 7.4, I would need to change all of my SQL statements to use PDO syntax. But I am finding out, that doesn't seem to be the case. I understand PDO is probably the better approach of the two. Could someone be as so kind to clarify for me ?? Thank you in advance.