JSFiddle - React, Tailwind, and code Playground

by Joao Monteiro

JavaScript

<?php
	if (isset($_POST["Login"]))
	{
		
		unset($_POST["Login"]);
		if(!$conexao)
			echo '<script>alert("Falha na conexao.\r\n'.mysql_error($conexao).'");</script>';
		else
		{
			if(!$db)
				echo '<script>alert("Falha na seleccao da base de dados.\r\n'.mysql_error($db).'");</script>';
			else
			{
				if (($_POST["User"] != "") && ($_POST["Pass"] != ""))
				{
					$username = $_POST["User"];
					$password = $_POST["Pass"];
					$query = "SELECT * FROM users WHERE Username LIKE '".$username."' AND Password LIKE '".$password."'";
					$result = mysql_query($query);
					if (mysql_num_rows($result) == 1)
					{
						$entrou_agora = 1;					
					}
					else
						echo '<script>alert("Username e/ou password invalido(s).");</script>';
				}
				else
					echo '<script>alert("Preencha todos os campos.");</script>';
			}
		}
	}
?>