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$error messate POST into div in index.php

This is my first question on this site however I have been here millions of times looking for answer and I hope you can help me out this time as I wasn't able to figure it out myself.
I am not very skilled when it comes to coding but was hoping to amend the php contact form I have found online (it's free), the form itself is worki9ng but what I am struggling with is to set the errors to be printed on the main page where the form is, at them moment the yare displayed on the contact.php form which is where the php code is and I would like it all displayed in a div for example on index.php just under the form.
my contact.php
<?php
if (isset($_POST['submit'])) {}
$sendTo = "email address";
$subject = "msg content";
$headers = 'From: email address' . "\r\n";
$name = #$_POST['name'];
$email = #$_POST['email'];
$message = #$_POST['message'];
$okMessage = 'thank you';
$errorMessage = 'Please fill all the fields';
$url = 'https://www.google.com/recaptcha/api/siteverify';
$privatekey = "----------------------------------------";
$response = file_get_contents($url."?secret=".$privatekey."&response=".$_POST['g-recaptcha-response']."&remoteip=".$_SERVER['REMOTE_ADDR']);
$data = json_decode($response);
$emailText = "Name: $name \n Email: $email \n Message: $message";
if (isset($data->success) AND $data->success==true) {
mail($sendTo, $subject, $emailText, $headers);
$responseArray = $okMessage;
}
else
{
//verification failed
$responseArray = $errorMessage;
}
if (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
$encoded = json_encode($responseArray);
header('Content-Type: application/json');
echo $encoded;
}
else {
echo $responseArray;
}
?>
<form method="post" name="contactform" action="contact.php" >
<div class="field half first">
<label for="name">name</label>
<input type="text" name="name" id="name" placeholder="name" />
</div>
<div class="field half">
<label for="email">Email</label>
<input type="text" name="email" id="email" placeholder="email#email.com" />
</div>
<div class="field">
<label for="message">message</label>
<textarea name="message" id="msg" rows="4" placeholder="type your message here"></textarea>
</div>
<div class="g-recaptcha" data-sitekey="----------------------------------"></div>
<ul class="actions">
<li><input type="submit" value="send" class="special" /></li>
<li><input type="reset" value="reset pola" /></li>
</ul>
I have tried to use $_POST and $_GET to echo responseArray but I can't figure it out...
Is anyone able to provide a code I would have to use to display $okMessage and $errorMessage on index.php please?
Many thanks for all help

php contact form not responding on clicking submit button

I have a form in php with the below code:
<form action="" method="post" class="wpcf7-form">
<p><label> Your Name<br /> <span><input type="text" name="your-name" value="" size="40" required /></span> </label></p>
<p><label> Your Email<br /> <span><input type="email" name="your-email" value="" size="40" required /></span> </label></p>
<p><label> Your Message<br /> <span><textarea name="your-message" cols="40" rows="10" required></textarea></span> </label></p>
<p><input type="submit" value="Submit" name="submit" /></p>
</form>
<?php
if(isset($_POST['submit'])){
$to = "contact#ghem.com"; // this is your Email address
$from = $_POST['your_email']; // this is the sender's Email address
$first_name = $_POST['your_name'];
$last_name = $_POST['your_message'];
$subject = "Contact";
$subject2 = "";
$message = $first_name . " has sent you the following message. Message:" . "\n\n" . $last_name. "\n\n" ."Email: ".$from. "\n\n" ;
$headers = "From:" . $from;
$headers2 = "From:" . $to;
mail($to,$subject,$message,$headers);
// mail($last_name,$subject2,$message2,$headers2); // sends a copy of the message to the sender
echo '<div style="color:#5cad2f; "><b>Thank you ' . $first_name . ', we will contact you shortly.</b></div>';
// You can also use header('Location: thank_you.php'); to redirect to another page.
}
?>
when I enter details and click submit button, nothing is happening, can anyone please help me with this?

Try to know your value is set or not like:
<?php
if(isset($_POST['submit']))
{
echo "hello world";
}
?>
when you click submit button if it display hello world that means submit work after that replace name as you show in your input field with $_POST['your_name']

You should use same input name while getting POST values
$from = $_POST['your-email'];
$first_name = $_POST['your-name'];
$last_name = $_POST['your-message'];

Google Recaptcha doing strange things on iOS Safari Browser

I think my case is a bit of an oddity... I have a form that is verified by Google Recaptcha. The submit button is disabled until the recaptcha has been interacted with, using a data-callback and some JS. I was just trying out my site on my iOS device using the Safari browser, and I did the Recaptcha verification and a green check appeared, like normal. Then when I scrolled, the container div that the form was in disappeared, and then the entire form was greyed out. It seemed like it went behind the site background.
This is a screenshot of the bug:
So, I am confused to say the least. I have not been able to find any similar issues in the searches I have done. The form is integrated with PHP, here's the code:
<?php
if (isset($_REQUEST['email'])) {
if ($_SERVER["REQUEST_METHOD"] === "POST") {
$recaptcha_secret = "my_secret_key_was_here";
$response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=".$recaptcha_secret."&response=".$_POST['g-recaptcha-response']);
$response = json_decode($response, true);
if ($response["success"] === true) {
$to = "someemail#example.com";
$subject = "Contact Form";
$firstname = $_REQUEST['firstname'];
$lastname = $_REQUEST['lastname'];
$email = $_REQUEST['email'];
$comments = $_REQUEST['comments'];
$message = "First Name: \t";
$message .= $firstname;
$message .= "\n";
$message .= "Last Name: \t";
$message .= $lastname;
$message .= "\n";
$message .= "Email: \t";
$message .= $email;
$message .= "\n";
$message .= "Message: \t";
$message .= $comments;
$message .= "\n";
mail($to, $subject, $message, "From:" . $email);
header("Location: sent.html");
} else {
header("Location: failed.html");
}
}
} else {
?>
The else opens up to the page HTML, displaying the page if the conditions are not met. Here's my script:
$(document).ready(function() {
$('#submitbutton').prop( "disabled", true ).attr('title', "Please check the catchpa before submitting the form");
});
var enableBtn = function() {
$('#submitbutton').prop( "disabled", false ).attr('title', "Submit");
}
And here's my form HTML:
<form method="post" action="new.php">
<label for="firstname">First Name:</label>
<input name="firstname" required type="text" />
<label for="lastname">Last Name:</label>
<input name="lastname" required type="text" />
<label for="email">Email Address:</label>
<input name="email" required type="email" />
<label for="comments">Message:</label>
<textarea name="comments" required></textarea>
<div class="center-captcha">
<div class="g-recaptcha" data-sitekey="my_site_key_was_here" data-callback="enableBtn"></div>
</div>
<button class="send-button" id="submitbutton">Submit</button>
</form>
Any help would be greatly appreciated.

Solved it with the answer given on this thread:
Fixed positioning/z-index issue in mobile safari
Apparently my background was being translated to the front of the page, covering up the form inputs and other content.
Adding this line fixed it:
-webkit-transform: translate3d(0,0,0);

add email validation prior to submitting on php form

I have the following simple form that I am trying to get the email validation error to
show up within the form to show the error prior to submitting.
Is there a way to do this with PHP or do I have to use JSON?
If I have to use JSON, can anyone show me how to do this?
Thanks in advance.
form.html:
<form method="post" name="form" action="form.php">
<p>Robot: <input type="text" name="robot" ></p>
<p>Name: <input type="text" name="name" ></p>
<p>Email: <input type="email" name="email"></p>
<p>Phone: <input type="telephone" name="phone"></p>
<p>Message: <textarea name="message"></textarea></p>
<p><input type="submit" value="Send Form"></p>
</form>
<div id="error"></div>
form.php
<?php
// send to and from
$to = "email#example.com";
$headers = "From: email#example.com \r\n";
$headers .= "Reply-To: email#example.com \r\n";
// form inputs
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$message = $_POST['message'];
$robot = $_POST['robot'];
// email message
$email_subject = "Web Contact Message";
$email_body =
"A message from your website contact form \n\n".
"Email: $email \n\n".
"Phone: $phone \n\n".
"From: $name \n\n".
"Message: \n".
"$message \n";
// honeypot
if($robot)
header( "Location: http://www.example.com/nothankyou.html" );
else{
//validate email
if(!filter_var($email, FILTER_VALIDATE_EMAIL))
{
echo '<div id="error">Please Enter a Valid Email</div>';
}
else
{
// send it
mail($to,$email_subject,$email_body,$headers);
header( "Location: http://www.example.com/thankyou.html" );
}
}
?>

You could try using a javascript/jquery plugin to do your front end validation (ex. http://jqueryvalidation.org/, http://bootstrapvalidator.com/). If you still wanted to keep your existing code I'd suggest something like:
First, merge your form.html to form.php
Make sure your php mailing code stays at the top of the file because php headers cannot have any output done before calling them.
<?php
if (count($_POST)) {
// send to and from
$to = "email#example.com";
$headers = "From: email#example.com \r\n";
$headers .= "Reply-To: email#example.com \r\n";
// form inputs
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$message = $_POST['message'];
$robot = $_POST['robot'];
// email message
$email_subject = "Web Contact Message";
$email_body = "A message from your website contact form \n\n" .
"Email: $email \n\n" .
"Phone: $phone \n\n" .
"From: $name \n\n" .
"Message: \n" .
"$message \n";
// honeypot
if ($robot)
header("Location: http://www.example.com/nothankyou.html");
else {
//validate email
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
header("Location: form.php?error=email_error");
} else {
// send it
mail($to, $email_subject, $email_body, $headers);
header("Location: http://www.example.com/thankyou.html");
}
}
}
?>
<form method="post" name="form" action="">
<p>Robot: <input type="text" name="robot" ></p>
<p>Name: <input type="text" name="name" ></p>
<p>Email: <input type="email" name="email"></p>
<p>Phone: <input type="telephone" name="phone"></p>
<p>Message: <textarea name="message"></textarea></p>
<p><input type="submit" value="Send Form"></p>
</form>
<?php
if (isset($_GET["error"]) && $_GET["error"] == "email_error") {
?>
<div id="error">Please Enter a Valid Email</div>
<?php
}

Popup Window and PHP form

I've created a contact page and a separate PHP page to receive the posted data. I'd like to make the PHP open in a popup window. I've tried methods online without any success, I can make the popup appear but i cant make the PHP send the data.
<!------Contact Page------->
<form method='post' action='sendemail.php' >
<label>Name</label>
<input name="name" placeholder="Type Here">
<label>Email</label>
<input name="email" placeholder="Type Here" id="email">
<label>Message</label>
<textarea name="message" placeholder="Type Here"></textarea>
<label>Human Verification</label>
<input name="human" placeholder="2 + 2 = ? " id="human">
<input id="submit" name="submit" type="submit" value="Submit">
</label>
</form>
<?php
$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];
$from = $email;
$to = 'my#email.com';
$subject = 'New Message';
$human = $_POST['human'];
$body = "From: $name\n E-Mail: $email\n Message:\n $message";
if ($_POST['submit']) {
if ($name != '' && $email != '') {
if ($human == '4') {
if (mail ($to, $subject, $body, $from)) {
echo '<h4>Your message has been sent!</h4>';
} else {
echo '<h4>Something went wrong, go back and try again!</h4>';
}
} else if ($_POST['submit'] && $human != '4') {
echo '<h4>You answered the anti-spam question incorrectly!</h4>';
}
} else {
echo '<h4>You need to fill in all required fields!!</h4>';
}
}
?>

I think that if php script is in the same page of your form just in an hidden div you have to target the action with php self like
<form name="form1" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>"
So the variable POST is correctly set.
If you need to post in popup you can use ajax to send date or jquery to load an external page in your hidden div like:
$('#submit').click(function(){
load(external.php); //where your script is
});
In both cases it should work.

Since you are submitting the content and doing a POST/GET request to another page the modal won't work the way you are curretly using it. Since you are redirecting to your PHP code. You should use Javascript to display the pop-up.
Maybe adding a onclick to your submit button?
<input type='submit' onclick='alert("Message sent!")' />
Another option will be to use an Ajax call to you PHP file using the jquery ($.ajax();) and then use any library of your preference to display the pop-up window that you need. Maybe checking Jquery's or Bootstrap's modal could give you a hint, if you want to be complex approach.
<input type='submit' onclick='sendMessage()' />
function sendMessage(){
$.ajax({
//your stuff
});
$('.message').modal();
}

Especially for something like a form, I would make sure it doesn't rely on JavaScript in case the user has JavaScript turned off in their browser.
Why not keep it simple and have everything on the same page, with the error message showing above the form, and re-populate the fields with PHP?
Example:
<?php
// Check if coming from a POST
if ($_SERVER['REQUEST_METHOD']=='POST' && isset($_POST['submit'])) {
$name = $_POST['name'];
$email = $_POST['email'];
$message = $_POST['message'];
$from = $email;
$to = 'you#youremail.com';
$subject = 'New Message';
$human = $_POST['human'];
$body = "From: $name\n E-Mail: $email\n Message:\n $message";
if ($_POST['submit']) {
if ($name != '' && $email != '') {
if ($human == '4') {
if (mail ($to, $subject, $body, $from)) {
echo '<h4>Your message has been sent!</h4>';
} else {
echo '<h4>Something went wrong, go back and try again!</h4>';
} //endif
} else if ($_POST['submit'] && $human != '4') {
echo '<h4>You answered the anti-spam question incorrectly!</h4>';
}
} else {
echo '<h4>You need to fill in all required fields!!</h4>';
} //endif
} //endif
} //endif
?>
<form method='post' action='<?php echo $_SERVER['PHP_SELF']; ?>' >
<label>Name</label>
<input name="name" placeholder="Type Here" value="<?php if (isset($_POST['name'])) { echo $name;} ?>" >
<label>Email</label>
<input name="email" placeholder="Type Here" id="email" value="<?php if (isset($_POST['email'])) { echo $email;} ?>">
<label>Message</label>
<textarea name="message" placeholder="Type Here"><?php if (isset($_POST['message'])) { echo $message;} ?></textarea>
<label>Human Verification</label>
<input name="human" placeholder="2 + 2 = ? " id="human" value="<?php if (isset($_POST['human'])) { echo $human;} ?>">
<input id="submit" name="submit" type="submit" value="Submit">
</label>
</form>