https://www.tutorialspoint.com/mysqli/index.htm
MySQLi Tutorial
The MySQLi extension was introduced with PHP version 5.0.0 and the MySQL Native Driver was included in PHP version 5.3.0. i stands for improved in MySQLi and...
mysqlitutorial
https://websitebeaver.com/prepared-statements-in-php-mysqli-to-prevent-sql-injection
PHP MySQLi Prepared Statements Tutorial to Prevent SQL Injection
Before I start, if you'd like to see an even easier way to use MySQLi prepared statements, check out my wrapper class. Also, here's a great resource to learn...
prepared statementssql injectionphpmysqlitutorial