In this tutorial we will learn how to add url or link in php, Sometimes we need to add the url after form submission where user needs to click on the url
to redirect to the different website. This tutorial will help you to add the url in php. Suppose we have contact form where user fills all the details after form
submission user see the message "Contact form sent successfully" and the link "click here to continue".

Create contacts table in mysql: 

Below is the structure of contacts table with basic fields. 

CREATE TABLE `contacts` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `name` VARCHAR(50) NULL,
  `email` VARCHAR(50) NULL,
  `message` TEXT NULL,
  `created_at` DATETIME NULL,
  `updated_at` DATETIME NULL,
  PRIMARY KEY (`id`));

  
Create Connection(config.php) 
Connect to the database. In config.php add your database name, database username, database password and database name.

<?php
//Database details
$db_host = 'localhost';
$db_username = 'username';
$db_password = 'password';
$db_name = 'database_name';

//Create connection and select DB
$conn = mysqli_connect($db_host, $db_username, $db_password, $db_name);
if (mysqli_connect_errno()) {
    echo "Failed to connect to MySQL: " . mysqli_connect_error();
}


index.php 

<!--
Used basic html and bootstrap skeleton from the below link for style purpose which contains bootstrap.css,bootstrap.js,jquery.js
https://www.w3schools.com/bootstrap/bootstrap_get_started.asp
Used bootstrap form elements from below link.
https://www.w3schools.com/bootstrap/bootstrap_forms.asp-->
<!DOCTYPE html>
<html lang="en">
    <head>
        <title>How to add a URL or link in PHP code</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> 
    </head>
    <body>
        <div class="container" style="max-width:800px;margin:0 auto;margin-top:50px;">  
            <div>
                <h2 style="margin-bottom:50px;">Live Demo: How to add a URL or link in PHP code</h2>
                <div>
                    <form method="post" action="save.php">
                        <div class="form-group">
                            <label>Name:</label>
                            <input type="text" class="form-control" id="name" required="" placeholder="Enter name" name="name">
                        </div>
                        <div class="form-group">
                            <label for="email">Email:</label>
                            <input type="email" class="form-control" id="email" required="" placeholder="Enter email" name="email">
                        </div>
                        <div class="form-group">
                            <label>Mobile No.:</label>
                            <input type="text" class="form-control" id="mobile" required="" placeholder="Enter mobile" name="mobile">
                        </div>
                        <div class="form-group">
                            <label>Message:</label>
                            <textarea class="form-control" id="message" required="" placeholder="Enter message" name="message"></textarea>
                        </div>
                        <div class="form-group">
                            <input type="submit" class="btn btn-primary" name="save" value="Save"/>
                        </div>
                    </form>
                </div>
            </div>
        </div>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    </body>
</html>


save.php

<?php

require_once 'config.php';
if (isset($_POST['name'])) {
    $name = mysqli_real_escape_string($conn, $_POST['name']);
    $email = mysqli_real_escape_string($conn, $_POST['email']);
    $mobile = mysqli_real_escape_string($conn, $_POST['mobile']);
    $message = mysqli_real_escape_string($conn, $_POST['message']);
    mysqli_query($conn, "insert into contacts(name,email,mobile,message) values ('$name','$email','$mobile','$message')");
    echo "Contact form sent successfully.<br/>";
    echo '<a href="http://tutorialsmint.com/">Click here to continue</a>';
} else {
    echo "Server problem, Try after sometime.";
}
?>


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