Check out example codes for "how to connect contact form to email in php". It will help you in understanding the concepts better.

Code Example 1

<html>
<head>
	<title>PHP Contact Form - The Email Method - Hyvor Developer</title>
</head>
<body>

<form method="POST" action=""> 
	<div class="input-wrap">
		<span class="label">Email:</span>
		<input type="text" name="email">
	</div>
	<div class="input-wrap">
		<span class="label">Message:</span>
		<textarea name="message">

Code Example 2

<!DOCTYPE html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <title>contact form</title>
</head>

<body>

<link href="contact-form.css" rel="stylesheet">

<div class="fcf-body">

    <div id="fcf-form">
    <h3 class="fcf-h3">Contact us</h3>

    <form id="fcf-form-id" class="fcf-form-class" method="post" action="contact-form-process.php">
        
        <div class="fcf-form-group">
            <label for="Name" class="fcf-label">Your name</label>
            <div class="fcf-input-group">
                <input type="text" id="Name" name="Name" class="fcf-form-control" required>
            </div>
        </div>

        <div class="fcf-form-group">
            <label for="Email" class="fcf-label">Your email address</label>
            <div class="fcf-input-group">
                <input type="email" id="Email" name="Email" class="fcf-form-control" required>
            </div>
        </div>

        <div class="fcf-form-group">
            <label for="Message" class="fcf-label">Your message</label>
            <div class="fcf-input-group">
                <textarea id="Message" name="Message" class="fcf-form-control" rows="6" maxlength="3000" required>

Code Example 3

if (empty($emailError) && empty($messageError)) {
	// all the code should go here
}

Code Example 4

<?php
if(!empty($_POST["send"])) {
	$name = $_POST["userName"];
	$email = $_POST["userEmail"];
	$subject = $_POST["subject"];
	$content = $_POST["content"];

	$toEmail = "[email protected]_samples.com";
	$mailHeaders = "From: " . $name . "<". $email .">\r\n";
	if(mail($toEmail, $subject, $content, $mailHeaders)) {
	    $message = "Your contact information is received successfully.";
	    $type = "success";
	}
}
require_once "contact-view.php";
?>

Code Example 5

<?php
if ($_SERVER['REQUEST_METHOD'] === "POST") {
	if (empty($_POST['email'])) {
		$emailError = 'Email is empty';
	} else {
		$email = $_POST['email'];
		// validating the email
		if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
			$emailError = 'Invalid email';
		}
	}

	if (empty($_POST['message'])) {
		$messageError = 'Message is empty';
	} else {
		$message = $_POST['message'];
	}
}

Code Example 6

<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">

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