jjjjcccjjf/captcha_example.php

## captcha_example.php
# Get your API key here
https://www.google.com/recaptcha/admin#list

# This is the main captcha url
# Put on your <head> tag
# Omit this if you're using the code block below
<script src="https://www.google.com/recaptcha/api.js"></script>

# This is a script for multiple captchas on the same page
# Put on <head> tag
    <script src='https://www.google.com/recaptcha/api.js?onload=CaptchaCallback&render=explicit' async defer></script>
    <script type="text/javascript">
    var CaptchaCallback = function(){
      $('.g-recaptcha').each(function(index, el) {
          grecaptcha.render(el, {'sitekey' : 'YOUR_SITE_KEY_HERE'}); // Don't forget to put your sitekey here!!
      });
    };
    </script>

# This is the script for validating the captcha
# Put this in your POST request handler
if($_POST['g-recaptcha-response'] != ''){
 // ... If the captcha is successful
}else{
 // ... If captcha fails
}

# This is the captcha form element
# Put this inside your <form>
# NOTE: You can totally omit the `style` attribute if you want. This is just for rescaling your captcha element if it doesn't fit
<div class="g-recaptcha" data-sitekey="YOUR_SITE_KEY_HERE"
      style="transform:scale(0.85);-webkit-transform:scale(0.85);transform-origin:0 0;-webkit-transform-origin:0 0;"
      ></div>

# Client-side validation
      if(grecaptcha.getResponse() != ""){
  }else{
    alert('Please prove that you are not a robot!');
  }
	# Get your API key here
	https://www.google.com/recaptcha/admin#list

	# This is the main captcha url
	# Put on your <head> tag
	# Omit this if you're using the code block below
	<script src="https://www.google.com/recaptcha/api.js"></script>

	# This is a script for multiple captchas on the same page
	# Put on <head> tag
	<script src='https://www.google.com/recaptcha/api.js?onload=CaptchaCallback&render=explicit' async defer></script>
	<script type="text/javascript">
	var CaptchaCallback = function(){
	$('.g-recaptcha').each(function(index, el) {
	grecaptcha.render(el, {'sitekey' : 'YOUR_SITE_KEY_HERE'}); // Don't forget to put your sitekey here!!
	});
	};
	</script>

	# This is the script for validating the captcha
	# Put this in your POST request handler
	if($_POST['g-recaptcha-response'] != ''){
	// ... If the captcha is successful
	}else{
	// ... If captcha fails
	}

	# This is the captcha form element
	# Put this inside your <form>
	# NOTE: You can totally omit the `style` attribute if you want. This is just for rescaling your captcha element if it doesn't fit
	<div class="g-recaptcha" data-sitekey="YOUR_SITE_KEY_HERE"
	style="transform:scale(0.85);-webkit-transform:scale(0.85);transform-origin:0 0;-webkit-transform-origin:0 0;"
	></div>

	# Client-side validation
	if(grecaptcha.getResponse() != ""){
	}else{
	alert('Please prove that you are not a robot!');
	}