how to insert a email form in php code example

Example 1: get php to send email from form

<?php 
if(isset($_POST['submit'])){
    $to = "[email protected]"; // this is your Email address
    $from = $_POST['email']; // this is the sender's Email address
    $first_name = $_POST['first_name'];
    $last_name = $_POST['last_name'];
    $subject = "Form submission";
    $subject2 = "Copy of your form submission";
    $message = $first_name . " " . $last_name . " wrote the following:" . "\n\n" . $_POST['message'];
    $message2 = "Here is a copy of your message " . $first_name . "\n\n" . $_POST['message'];

    $headers = "From:" . $from;
    $headers2 = "From:" . $to;
    mail($to,$subject,$message,$headers);
    mail($from,$subject2,$message2,$headers2); // sends a copy of the message to the sender
    echo "Mail Sent. Thank you " . $first_name . ", we will contact you shortly.";
    // You can also use header('Location: thank_you.php'); to redirect to another page.
    }
?>

<!DOCTYPE html>
<head>
<title>Form submission</title>
</head>
<body>

<form action="" method="post">
First Name: <input type="text" name="first_name"><br>
Last Name: <input type="text" name="last_name"><br>
Email: <input type="text" name="email"><br>
Message:<br><textarea rows="5" name="message" cols="30"></textarea><br>
<input type="submit" name="submit" value="Submit">
</form>

</body>
</html>

Example 2: how to connect contact form to email in php

<html>
<head>
<title>PHP Contact Form</title>
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
    <div class="form-container">
        <form name="frmContact" id="" frmContact"" method="post"
            action="" enctype="multipart/form-data"
            onsubmit="return validateContactForm()">

            <div class="input-row">
                <label style="padding-top: 20px;">Name</label> <span
                    id="userName-info" class="info"></span><br /> <input
                    type="text" class="input-field" name="userName"
                    id="userName" />
            </div>
            <div class="input-row">
                <label>Email</label> <span id="userEmail-info"
                    class="info"></span><br /> <input type="text"
                    class="input-field" name="userEmail" id="userEmail" />
            </div>
            <div class="input-row">
                <label>Subject</label> <span id="subject-info"
                    class="info"></span><br /> <input type="text"
                    class="input-field" name="subject" id="subject" />
            </div>
            <div class="input-row">
                <label>Message</label> <span id="userMessage-info"
                    class="info"></span><br />
                <textarea name="content" id="content"
                    class="input-field" cols="60" rows="6"></textarea>
            </div>
            <div>
                <input type="submit" name="send" class="btn-submit"
                    value="Send" />

                <div id="statusMessage"> 
                        <?php
                        if (! empty($message)) {
                            ?>
                            <p class='<?php echo $type; ?>Message'><?php echo $message; ?></p>
                        <?php
                        }
                        ?>
                    </div>
            </div>
        </form>
    </div>

    <script src="https://code.jquery.com/jquery-2.1.1.min.js"
        type="text/javascript"></script>
    <script type="text/javascript">
        function validateContactForm() {
            var valid = true;

            $(".info").html("");
            $(".input-field").css('border', '#e0dfdf 1px solid');
            var userName = $("#userName").val();
            var userEmail = $("#userEmail").val();
            var subject = $("#subject").val();
            var content = $("#content").val();
            
            if (userName == "") {
                $("#userName-info").html("Required.");
                $("#userName").css('border', '#e66262 1px solid');
                valid = false;
            }
            if (userEmail == "") {
                $("#userEmail-info").html("Required.");
                $("#userEmail").css('border', '#e66262 1px solid');
                valid = false;
            }
            if (!userEmail.match(/^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/))
            {
                $("#userEmail-info").html("Invalid Email Address.");
                $("#userEmail").css('border', '#e66262 1px solid');
                valid = false;
            }

            if (subject == "") {
                $("#subject-info").html("Required.");
                $("#subject").css('border', '#e66262 1px solid');
                valid = false;
            }
            if (content == "") {
                $("#userMessage-info").html("Required.");
                $("#content").css('border', '#e66262 1px solid');
                valid = false;
            }
            return valid;
        }
</script>
</body>
</html>