PHP 8 introduced a number of other noteworthy changes to several PHP extensions. As we have stressed time and again, it’s extremely important for our future careers as PHP developers to be aware of these changes.

Let’s first have a look at changes to database extensions.

New database extension operating system library requirements

Any developer using MySQL, MariaDB, PostgreSQL, or PHP Data Objects (PDO) needs to be aware of new requirements for supporting operating system libraries. The following table summarizes the new minimum versions required in PHP 8:

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