<!-- Google recaptcha API library -->
<script src="https://www.google.com/recaptcha/api.js" async defer></script>
<!-- Status message -->
<?php if(!empty($statusMsg)){ ?>
<div class="status-msg <?php echo $status; ?>"><?php echo $statusMsg; ?></div>
<?php } ?>
<!-- Contact form fields -->
<form action="" method="post" class="cnt-form">
<div class="form-input">
<label for="name">Name</label>
<input type="text" name="name" placeholder="Enter your name" value="<?php echo !empty($postData['name'])?$postData['name']:''; ?>" required="">
</div>
<div class="form-input">
<label for="email">Email</label>
<input type="email" name="email" placeholder="Enter your email" value="<?php echo !empty($postData['email'])?$postData['email']:''; ?>" required="">
</div>
<div class="form-input">
<label for="subject">Subject</label>
<input type="text" name="subject" placeholder="Enter subject" value="<?php echo !empty($postData['subject'])?$postData['subject']:''; ?>" required="">
</div>
<div class="form-input">
<label for="message">Message</label>
<textarea name="message" placeholder="Type your message here" required=""><?php echo !empty($postData['message'])?$postData['message']:''; ?></textarea>
</div>
<div class="form-input">
<!-- Google reCAPTCHA box -->
<div class="g-recaptcha" data-sitekey="<?php echo $siteKey; ?>"></div>
</div>
<input type="submit" name="submit" class="btn" value="Submit">
</form>

<?php // Include form submission script 
include_once 'submit.php'; 
?>

<?php 
// Google reCAPTCHA API key configuration 
$siteKey = 'Insert_reCaptcha_Site_Key'; 
$secretKey = 'Insert_reCaptcha_Secret_Key'; 
// Email configuration 
$toEmail = 'admin@example.com'; 
$fromName = 'Sender Name'; 
$formEmail = 'sender@example.com'; 
$postData = $statusMsg = $valErr = ''; 
$status = 'error'; 
// If the form is submitted 
if(isset($_POST['submit'])){ 
// Get the submitted form data 
$postData = $_POST; 
$name = trim($_POST['name']); 
$email = trim($_POST['email']); 
$subject = trim($_POST['subject']); 
$message = trim($_POST['message']); 
// Validate form fields 
if(empty($name)){ 
$valErr .= 'Please enter your name.<br/>'; 
} 
if(empty($email) || filter_var($email, FILTER_VALIDATE_EMAIL) === false){ 
$valErr .= 'Please enter a valid email.<br/>'; 
} 
if(empty($subject)){ 
$valErr .= 'Please enter subject.<br/>'; 
} 
if(empty($message)){ 
$valErr .= 'Please enter your message.<br/>'; 
} 
if(empty($valErr)){ 
// Validate reCAPTCHA box 
if(isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response'])){ 
// Verify the reCAPTCHA response 
$verifyResponse = file_get_contents('https://www.google.com/recaptcha/api/siteverify?secret='.$secretKey.'&response='.$_POST['g-recaptcha-response']); 
// Decode json data 
$responseData = json_decode($verifyResponse); 
// If reCAPTCHA response is valid 
if($responseData->success){ 
// Send email notification to the site admin 
$subject = 'New contact request submitted'; 
$htmlContent = " 
<h2>Contact Request Details</h2> 
<p><b>Name: </b>".$name."</p> 
<p><b>Email: </b>".$email."</p> 
<p><b>Subject: </b>".$subject."</p> 
<p><b>Message: </b>".$message."</p> 
"; 
// Always set content-type when sending HTML email 
$headers = "MIME-Version: 1.0" . "\r\n"; 
$headers .= "Content-type:text/html;charset=UTF-8" . "\r\n"; 
// More headers 
$headers .= 'From:'.$fromName.' <'.$formEmail.'>' . "\r\n"; 
// Send email 
@mail($toEmail, $subject, $htmlContent, $headers); 
$status = 'success'; 
$statusMsg = 'Thank you! Your contact request has submitted successfully, we will get back to you soon.'; 
$postData = ''; 
}else{ 
$statusMsg = 'Robot verification failed, please try again.'; 
} 
}else{ 
$statusMsg = 'Please check on the reCAPTCHA box.'; 
} 
}else{ 
$statusMsg = '<p>Please fill all the mandatory fields:</p>'.trim($valErr, '<br/>'); 
} 
}
// Display status message 
echo $statusMsg;