Referencias

https://www.youtube.com/watch?v=etRFu_eJ3vU&list=PLbXvLovKLUIkE78UNFE8UpfOtoDlrpQec
https://www.youtube.com/watch?v=KlIL63MeyMY&list=PLHz_AreHm4dmGuLII3tsvryMMD7VgcT7x
https://www.youtube.com/watch?v=GuycNRh2Glo&list=PLm-iyl3UXUXaAjeJdG6_tjaSlJuHOXSNr
https://www.youtube.com/watch?v=npfOVvKmNZc&list=PLYAyQauAPx8n6MPQyRuO9zxiSFF2z08wE
https://phpdelusions.net/pdo
https://www.w3resource.com/php/pdo/php-pdo.php
https://www.php.net/manual/pt_BR/pdo.setattribute.php

https://stackoverflow.com/questions/60174/how-can-i-prevent-sql-injection-in-php/60496#60496
https://www.netsparker.com/blog/web-security/sql-injection-cheat-sheet/#UnionInjections
https://blogs.msdn.microsoft.com/brian_swan/2010/03/04/whats-the-right-way-to-prevent-sql-injection-in-php-scripts/
https://www.phpro.org/tutorials/Introduction-to-PHP-PDO.html