Ajax $.get() and $.post() Method in PHP

 <?php


$servername = "localhost";
$username = "root";
$password = "";
$database = "test";

//Create Connection
$conn = new mysqli($servername, $username, $password, $database);

//Check Connection
if ($conn->connect_error) {
    die("Connection Failed: " . $conn->connect_error);
}
Above mysqli_conn.php File which is included in below Files.






Below is index.php File.
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>PHP & Ajax</title>
    <link rel="stylesheet" href="css/style.css">
</head>

<body>
    <div id="main">
        <div id="header">
            <h1>PHP & Ajax with $.POST</h1>
        </div>
        <div id="table-data">
            <form id="submit_form">
                <table width="100%" cellpadding="10px">
                    <tr>
                        <td width="150px"><label>Name</label></td>
                        <td><input type="text" name="name" id="name"></td>
                    </tr>
                    <tr>
                        <td><label>Age</label></td>
                        <td><input type="text" name="age" id="age"></td>
                    </tr>
                    <tr>
                        <td><label>City</label></td>
                        <td><input type="text" name="city" id="city"></td>
                    </tr>
                    <tr>
                        <td><input type="button" name="submit" id="submit" value="Save"></td>
                    </tr>
                </table>
            </form>
            <div id="response"></div>
        </div>
    </div>
    <script type="text/javascript" src="js/jquery-3.7.1.min.js"></script>
    <script>
        $(document).ready(function() {
            $("#submit").click(function() {
                var name = $("#name").val();
                var age = $("#age").val();
                var city = $("#city").val();

                if (name == "" || age == "" || city == "") {
                    $("#response").fadeIn();
                    $("#response").html("All Fields are required.");
                    setTimeout(function() {
                        $("#response").fadeOut("slow");
                    }, 4000);
                } else {
                    $.post(
                        "save-form.php",
                        $("#submit_form").serialize(),
                        function(data) {
                            if (data == 1) {
                                $("#submit_form").trigger("reset");
                                $("#response").fadeIn();
                                $("#response").html("Data Successfully Saved.");
                                setTimeout(function() {
                                    $("#response").fadeOut("slow");
                                }, 4000);
                            }
                        }
                    );
                }
            });
        });
    </script>
</body>

</html>







Below is save-form.php File.
<?php

include("mysqli_conn.php");

if (isset($_POST["name"]) && isset($_POST["age"]) && isset($_POST["city"])) {
    $name = $_POST["name"];
    $age = $_POST["age"];
    $city = $_POST["city"];

    $sql = "INSERT INTO students(student_name, age, city) VALUES('{$name}','$age','{$city}')";

    if ($conn->query($sql) == TRUE) {
        echo 1;
    } else {
        echo 0;
    }
} else {
    echo "All Fields are required";
}







Below is css/style.css File.
body {
    font-family: arial;
    background: #b2bec3;
    padding: 0;
    margin: 0;
}

h1 {
    text-align: center;
    font-size: 40px;
    margin: 0;
}

#main {
    width: 700px;
    margin: 20px auto;
    background: #fff;
    font-size: 18px;
}

#header {
    background: #27ae60;
    color: #fff;
    padding: 15px;
}

#table-data {
    padding: 15px;
    min-height: 400px;
}

table tr td:first-child {
    text-align: right;
    font-weight: bold;
}

input[type="text"] {
    width: 200px;
    height: 25px;
    font-size: 17px;
    padding: 3px;
}

input[type="button"] {
    background: #27ae60;
    color: #fff;
    border: 0;
    border-radius: 3px;
    padding: 5px 10px;
    outline: 0;
    cursor: pointer;
}

#response {
    background: #fcf8e3;
    color: #8a6d3b;
    border: 1px solid #faebcc;
    width: 70%;
    margin: 15px auto;
    padding: 15px;
    border-radius: 5px;
    display: none;
}






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