PHP Login

PHP - $_SESSION

https://www.w3schools.com/howto/howto_css_login_form.asp

http://www.devmedia.com.br/criando-sessao-para-login-no-php/27347

http://blog.thiagobelem.net/criando-um-sistema-de-login-com-php-e-mysql

http://pt.wikihow.com/Criar-um-Script-de-Login-Seguro-em-PHP-e-MySQL

https://www.tutorialspoint.com/php/php_mysql_login.htmhttps://www.formget.com/login-form-in-php/…

https://www.devmedia.com.br/php-sistema-de-login-com-niveis-de-acesso/37217

https://www.tutorialrepublic.com/php-tutorial/php-mysql-login-system.php

http://novojeitonerd.blogspot.com/2017/05/desenvolvimento-de-sistema-login-e.html

https://thisinterestsme.com/php-user-registration-form/

https://programacion.net/articulo/sistema_de_login_php_con_pdo_1467

http://www.mitrajit.com/php-login-pdo-connection/

// Segurança de login

https://forum.imasters.com.br/topic/557686-trabalhando-com-criptografia-de-login-com-md5/

http://php.net/manual/en/session.security.php

https://phpdelusions.net/sql_injection


// Leituras complementares

http://php.net/manual/en/security.php

http://stackoverflow.com/users/2224584/scott-arciszewski

https://paragonie.com/blog

https://phpdelusions.net/