marcosnakamine/index.php

## index.php
<html>
  <head>
    <title>reCAPTCHA demo: Simple page</title>
     <script src="https://www.google.com/recaptcha/api.js" async defer></script>
     <script>
       function onSubmit(token) {
         document.getElementById("demo-form").submit();
       }
     </script>
  </head>
  <body>
    <?php
        if ( isset($_POST['envia']) && $_POST['envia'] == 'ok' ) {

            $result = file_get_contents( 'https://www.google.com/recaptcha/api/siteverify', false, stream_context_create( array(
                'http' => array(
                    'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
                    'method'  => 'POST',
                    'content' => http_build_query( array(
                        'response' => $_POST['g-recaptcha-response'],
                        'secret' => 'secret_key'
                    ) ),
                ),
            ) ) );

            $result = json_decode($result);
            var_dump( $result->success );
        }
    ?>
    <form id='demo-form' action="?" method="POST">
        <input type="text" name="teste">
        <input type="hidden" name="envia" value="ok">
        <button class="g-recaptcha" data-sitekey="site_key" data-callback='onSubmit'>Submit</button>
      <br/>
    </form>
  </body>
</html>
	<html>
	<head>
	<title>reCAPTCHA demo: Simple page</title>
	<script src="https://www.google.com/recaptcha/api.js" async defer></script>
	<script>
	function onSubmit(token) {
	document.getElementById("demo-form").submit();
	}
	</script>
	</head>
	<body>
	<?php
	if ( isset($_POST['envia']) && $_POST['envia'] == 'ok' ) {

	$result = file_get_contents( 'https://www.google.com/recaptcha/api/siteverify', false, stream_context_create( array(
	'http' => array(
	'header' => "Content-type: application/x-www-form-urlencoded\r\n",
	'method' => 'POST',
	'content' => http_build_query( array(
	'response' => $_POST['g-recaptcha-response'],
	'secret' => 'secret_key'
	) ),
	),
	) ) );

	$result = json_decode($result);
	var_dump( $result->success );
	}
	?>
	<form id='demo-form' action="?" method="POST">
	<input type="text" name="teste">
	<input type="hidden" name="envia" value="ok">
	<button class="g-recaptcha" data-sitekey="site_key" data-callback='onSubmit'>Submit</button>
	<br/>
	</form>
	</body>
	</html>