Easy login and sign up in php and database mysql [simple way]

M Adeel Malik — Fri, 26 May 2023 06:57:50 +0000

in this article we discuss about how to make a simple login and signup form in php with database mysql

1st step

<html>  
<head>  
    <title>PHP login system</title>  
    // insert style.css file inside index.html  
    <link rel = "stylesheet" type = "text/css" href = "style.css">   
</head>  
<body>  
    <div id = "frm">  
        <h1>Login</h1>  
        <form name="f1" action = "authentication.php" onsubmit = "return validation()" method = "POST">  
            <p>  
                <label> UserName: </label>  
                <input type = "text" id ="user" name  = "user" />  
            </p>  
            <p>  
                <label> Password: </label>  
                <input type = "password" id ="pass" name  = "pass" />  
            </p>  
            <p>     
                <input type =  "submit" id = "btn" value = "Login" />  
            </p>  
        </form>  
    </div>  
    // validation for empty field   
    <script>  
            function validation()  
            {  
                var id=document.f1.user.value;  
                var ps=document.f1.pass.value;  
                if(id.length=="" && ps.length=="") {  
                    alert("User Name and Password fields are empty");  
                    return false;  
                }  
                else  
                {  
                    if(id.length=="") {  
                        alert("User Name is empty");  
                        return false;  
                    }   
                    if (ps.length=="") {  
                    alert("Password field is empty");  
                    return false;  
                    }  
                }                             
            }  
        </script>  
</body>     
</html>

2nd step

<?php      
    $host = "localhost";  
    $user = "root";  
    $password = '';  
    $db_name = "mydb";  

    $con = mysqli_connect($host, $user, $password,$db_name);  
    if(mysqli_connect_errno()) {  
        die("Failed to connect with MySQL: ". mysqli_connect_error());  
    }  
?>

DEV Community: M Adeel Malik

Easy login and sign up in php and database mysql [simple way]

1st step

2nd step