How to fix the missing MySQLi extension in PHP 7?

Resolving MySQLi Extension Absence in PHP 7

Despite having installed PHP 7 and MySQL, your system lacks the MySQLi extension necessary for PHP database connectivity. To rectify this, follow these steps:

The previously used php5-mysql package is obsolete. Instead, install the updated package:

sudo apt-get install php-mysql

This command will automatically update both Apache and PHP 7, resolving the MySQLi extension issue.

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