form-handler.php

<?php
/* This script allows you to receive data from forms to your email */

/* SETTINGS */

// URL of this file using https
$scriptUrl = "https://".$_SERVER["HTTP_HOST"].$_SERVER["SCRIPT_NAME"];
// Email "subject"
$title = 'New message from my Landing page';
// Email field "From" - name of sender (e.g. your first & last name)
$from_name = "John Jonson";
// Email field "From" - email of sender (e.g. "robot@domain.com")
$from_email = "robot@domain.com";
// Email to receive message - PUT YOUR EMAIL HERE (or leave it blank if you won't receive emails)
$to = ""; // e.g. my@email.com"
// Telegram integration: token of created bot
//(leave string empty if you don't want to use Telegram integration or check how to get Token here: https://designmodo.com/startup/documentation/#telegram)
$telegramToken ='';
// Telegram integration: ID of chat with created bot to send message
//(leave string empty if you don't want to use Telegram integration or check how to get Chat ID here: https://designmodo.com/startup/documentation/#telegram)
$telegramChatId = '';
// Viber integration: token of created bot
//(leave string empty if you don't want to use Viber integration or check how to get Token here: https://designmodo.com/startup/documentation/#viber)
$viberToken = '';
// MailChimp integration: Your API key 
//(leave string empty if you don't want to use MailChimp integration or check how to get your API key here: https://designmodo.com/startup/documentation/#mailchimp)
$MailChimpAPIkey = '';
// MailChimp integration: ID of list where contact will be added to
//(leave string empty if you don't want to use MailChimp integration or check how to get ID of list here: https://designmodo.com/startup/documentation/#mailchimp)
$MailChimpListID = '';
// SendInBlue integration: Your API key 
//(leave string empty if you don't want to use SendInBlue integration or check how to get your API key here: https://designmodo.com/startup/documentation/#sendinblue)
$sendInBlueAPIkey = '';
// SendInBlue integration: ID of list where contact will be added to
//(leave string empty if you don't want to use SendInBlue integration or check how to get ID of list here: https://designmodo.com/startup/documentation/#sendinblue)
$sendInBlueListIDs = array(); // IDs of lists to add contact to; separate by comma
// HubSpot integration: Your API key 
//(leave string empty if you don't want to use HubSpot integration or check how to get your API key here: https://designmodo.com/startup/documentation/#hubspot)
$hubSpotAPIkey = '';
// Google ReCaptcha "secret". Please, get it on https://www.google.com/recaptcha/admin/create
//(leave string empty if you don't want to use gReCaptcha in your forms; learn more about gReCaptcha integration: https://designmodo.com/startup/documentation/#grecaptcha)
$gRecaptchaSecret = '';

/* END OF SETTINGS */

if (!empty($_POST)){
	
	/* CHECK RECAPCHA RESPONSE */
	if(!empty($gRecaptchaSecret)){
		if(!empty($_POST["g-recaptcha-response"])){
			$params = array("secret"=>$gRecaptchaSecret, "response"=>$_POST["g-recaptcha-response"]);
			$query = http_build_query($params, '', '&');
			$ch = curl_init("https://www.google.com/recaptcha/api/siteverify");
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			curl_setopt($ch, CURLOPT_POST, 'POST');
			curl_setopt($ch, CURLOPT_POSTFIELDS, $query);
			$response = curl_exec($ch);
			if(json_decode($response)->success!==true){
				echo 'Error: wrong recaptcha.';
				exit;
			}
		}else{
			echo 'Error: wrong recaptcha.';
			exit;
		}
	}
	/* END OF CHECK RECAPCHA */
	
	/* COLLECT DATA FROM FORM FIELDS */
	foreach($_POST as $fieldKey=>$fieldValue){
		if(!empty($fieldValue)){
			switch($fieldKey){
				case "name":
					$message .= "<b>Name:</b> ".$fieldValue.'<br />';
					if(empty($MailChimpContact["FNAME"]) && empty($_POST["firstname"])) $MailChimpContact["FNAME"] = $fieldValue;
					if(empty($sendInBlueContact["attributes"]["FIRSTNAME"]) && empty($_POST["firstname"])) $sendInBlueContact["attributes"]["FIRSTNAME"] = $fieldValue;
					if(empty($hubSpotContact["firstname"]) && empty($_POST["firstname"])) $hubSpotContact["firstname"] = $fieldValue;
					continue;
				case "firstname":
					$message .= "<b>First Name:</b> ".$fieldValue.'<br />';
					if(empty($MailChimpContact["FNAME"])) $MailChimpContact["FNAME"] = $fieldValue;
					if(empty($sendInBlueContact["attributes"]["FIRSTNAME"])) $sendInBlueContact["attributes"]["FIRSTNAME"] = $fieldValue;
					if(empty($hubSpotContact["firstname"]) && empty($_POST["firstname"])) $hubSpotContact["firstname"] = $fieldValue;
					continue;
				case "lastname":
					$message .= "<b>Last Name:</b> ".$fieldValue.'<br />';
					$MailChimpContact["LNAME"] = $fieldValue;
					$sendInBlueContact["attributes"]["LASTNAME"] = $fieldValue;
					$hubSpotContact["lastname"] = $fieldValue;
					continue;
				case "phone":
					$message .= "<b>Phone:</b> ".$fieldValue.'<br />';
					$MailChimpContact["PHONE"] = $fieldValue;
					$sendInBlueContact["attributes"]["sms"] = str_replace(' ','',str_replace('-','',str_replace('(','',str_replace(')','',$fieldValue))));
					$hubSpotContact["phone"] = $fieldValue;
					continue;
				case "email":
					$message .= "<b>E-mail:</b> ".$fieldValue.'<br />';
					$sendInBlueContact["email"] = $fieldValue;
					$hubSpotContact["email"] = $fieldValue;
					continue;
				case "username":
					$message .= "<b>Username:</b> ".$fieldValue.'<br />';
					if(empty($MailChimpContact["FNAME"]) && empty($_POST["name"]) && empty($_POST["firstname"])){
						$MailChimpContact["FNAME"] = $fieldValue;
					}
					if(empty($sendInBlueContact["attributes"]["FIRSTNAME"]) && empty($_POST["name"]) && empty($_POST["firstname"])){
						$sendInBlueContact["attributes"]["FIRSTNAME"] = $fieldValue;
					}
					if(empty($hubSpotContact["firstname"]) && empty($_POST["name"]) && empty($_POST["firstname"])){
						$hubSpotContact["firstname"] = $fieldValue;
					}
					continue;
				case "username2":
					$message .= "<b>Username:</b> ".$fieldValue.'<br />';
					if(empty($MailChimpContact["LNAME"]) && empty($_POST["lastname"])){
						$MailChimpContact["LNAME"] = $fieldValue;
					}
					if(empty($sendInBlueContact["attributes"]["LASTNAME"]) && empty($_POST["lastname"])){
						$sendInBlueContact["attributes"]["LASTNAME"] = $fieldValue;
					}
					if(empty($hubSpotContact["lastname"]) && empty($_POST["lastname"])){
						$hubSpotContact["lastname"] = $fieldValue;
					}
					continue;
				case "password":
					$message .= "<b>Password:</b> ".$fieldValue.'<br />';
					continue;
				case "password2":
					$message .= "<b>Password:</b> ".$fieldValue.'<br />';
					continue;
				case "budget":
					$message .= "<b>Budget:</b> ".$fieldValue.'<br />';
					$hubSpotContact["hs_content_membership_notes"] .= 'Budget: '.$fieldValue."\n";
					continue;
				case "company_size":
					$message .= "<b>Company Size:</b> ".$fieldValue.'<br />';
					$hubSpotContact["company_size"] = $fieldValue;
					continue;
				case "card":
					$message .= "<b>Card Number:</b> ".$fieldValue.'<br />';
					continue;
				case "exp":
					$message .= "<b>Expiration date:</b> ".$fieldValue.'<br />';
					continue;
				case "cvv":
					$message .= "<b>CVV:</b> ".$fieldValue.'<br />';
					continue;
				case "zip":
					$message .= "<b>ZIP code:</b> ".$fieldValue.'<br />';
					$MailChimpContact["ADDRESS"]['zip'] = $fieldValue;
					$sendInBlueContact["attributes"]["ZIP_CODE"] = $fieldValue;
					$hubSpotContact["zip"] = $fieldValue;
					continue;
				case "country":
					$message .= "<b>Country:</b> ".$fieldValue.'<br />';
					$MailChimpContact["ADDRESS"]['country'] = $fieldValue;
					$hubSpotContact["country"] = $fieldValue;
					continue;
				case "city":
					$message .= "<b>City:</b> ".$fieldValue.'<br />';
					$MailChimpContact["ADDRESS"]['city'] = $fieldValue;
					$sendInBlueContact["attributes"]["CITY"] = $fieldValue;
					$hubSpotContact["city"] = $fieldValue;
					continue;
				case "address":
					$message .= "<b>Address:</b> ".$fieldValue.'<br />';
					$MailChimpContact["ADDRESS"]['addr1'] = $fieldValue;
					$sendInBlueContact["attributes"]["ADDRESS"] = (!empty($_POST["country"])) ? $_POST["country"].$fieldValue : $fieldValue;
					$hubSpotContact["address"] = $fieldValue;
					continue;
				case "method":
					$message .= "<b>Payment method:</b> ".$fieldValue.'<br />';
					continue;
				case "coupon":
					$message .= "<b>Coupon code:</b> ".$fieldValue.'<br />';
					continue;
				case "message":
					$message .= "<b>Message:</b> ".str_replace("\n", "<br />", $fieldValue).'<br />';
					$hubSpotContact["message"] = $fieldValue;
					continue;
				case "send_copy":
					$message .= "<b>User checked field:</b> Send me a copy<br />";
					continue;
				case "remember":
					$message .= "<b>User checked field:</b> Remember me<br />";
					continue;
				case "rules":
					$message .= "<b>User checked field:</b> I agree to the Terms of Service<br />";
					continue;
				default:
					$message .= "<b>".str_replace("_"," ",ucfirst($fieldKey)).":</b> ".str_replace("\n", "<br />", $fieldValue).'<br />';
					$hubSpotContact["hs_content_membership_notes"] .= str_replace("_"," ",ucfirst($fieldKey)).': '.$fieldValue."\n";
			}
		}
	}
	/* END OF COLLECT DATA FROM FORM FIELDS */
	
	/* SEND DATA FROM FORMS TO YOUR EMAIL */
	if(!empty($to)){
		$subject = $title;
		$headers = "Content-Type: text/html; charset=UTF-8\r\n";
		$headers .= "From: \"".$from_name."\" <".$from_email.">\r\n";
		$headers .= "Reply-To: \"".$from_name."\" <".$from_email.">\r\n";
		
		$mail = mail($to, $subject, $message, $headers); // send email
	}
	
	/* MAILCHIMP INTEGRATION */
	
	if(!empty($MailChimpAPIkey) && !empty($MailChimpListID) && !empty($_POST['email'])){
		
		$MailChimpSubdomain = explode("-",$MailChimpAPIkey)[1];
		$MailChimpAddRequestUrl = 'https://'.$MailChimpSubdomain.'.api.mailchimp.com/3.0/lists/'.$MailChimpListID.'/members/';
		$MailChimpEditRequestUrl = 'https://'.$MailChimpSubdomain.'.api.mailchimp.com/3.0/lists/'.$MailChimpListID.'/members/'.md5(strtolower($_POST['email']));
		
		// The data to send to the API
		if(!empty($MailChimpContact["ADDRESS"])){
			// Check required fields for address, they should not be empty
			if(empty($MailChimpContact["ADDRESS"]["addr1"])) $MailChimpContact["ADDRESS"]["addr1"]='Address not set';
			if(empty($MailChimpContact["ADDRESS"]["city"])) $MailChimpContact["ADDRESS"]["city"]='City not set';
			if(empty($MailChimpContact["ADDRESS"]["state"])) $MailChimpContact["ADDRESS"]["state"]='State not set';
			if(empty($MailChimpContact["ADDRESS"]["zip"])) $MailChimpContact["ADDRESS"]["zip"]='ZIP not set';
		}
		$SubscriberData = array(
			"email_address" => $_POST['email'], 
			"status" => "subscribed", 
			"merge_fields" => $MailChimpContact,
		);

		// Setup cURL
		$ch = curl_init($MailChimpAddRequestUrl);
		curl_setopt_array($ch, array(
			CURLOPT_POST => TRUE,
			CURLOPT_RETURNTRANSFER => TRUE,
			CURLOPT_HTTPHEADER => array(
				'Authorization: apikey '.$MailChimpAPIkey,
				'Content-Type: application/json'
			),
			CURLOPT_POSTFIELDS => json_encode($SubscriberData),
		));
		// Send the request
		$MailChimpResult = json_decode(curl_exec($ch));
		curl_close($ch);
		
		// if this member already in your MailChimp list, update his info
		if($MailChimpResult->status==400 && $MailChimpResult->title=="Member Exists"){ 
			$ch = curl_init($MailChimpEditRequestUrl);
			curl_setopt_array($ch, array(
				CURLOPT_USERPWD => 'user:'.$MailChimpAPIkey,
				CURLOPT_HTTPHEADER => array('Content-Type: application/json'),
				CURLOPT_RETURNTRANSFER => TRUE,
				CURLOPT_CUSTOMREQUEST  => "PUT",
				CURLOPT_SSL_VERIFYPEER  => false,
				CURLOPT_POSTFIELDS => json_encode($SubscriberData),  
			));
			// Send the request
			$MailChimpResult = json_decode(curl_exec($ch));
			curl_close($ch);
		}
	}
	
	/* END OF MAILCHIMP INTEGRATION */
	
	/* SENDINBLUE INTEGRATION */
	
	if(!empty($sendInBlueAPIkey) && !empty($sendInBlueListIDs) && (!empty($_POST['email']) || !empty($_POST['phone']))){
		
		$APIurl = 'https://api.sendinblue.com/v3/contacts';
		$sendInBlueContact["listIds"]=$sendInBlueListIDs;

		// Setup cURL
		$ch = curl_init($APIurl);
		curl_setopt_array($ch, array(
			CURLOPT_POST => TRUE,
			CURLOPT_RETURNTRANSFER => TRUE,
			CURLOPT_HTTPHEADER => array(
				'api-key: '.$sendInBlueAPIkey,
				'content-type: application/json',
				'accept: application/json',
			),
			CURLOPT_POSTFIELDS => json_encode($sendInBlueContact),
		));
		// Send the request
		$sendInBlueResult = json_decode(curl_exec($ch));
		curl_close($ch);
		
		if($sendInBlueResult->id){
			$sendInBlueResult = "ok";
		}
		
		// if this member already in your SendInBlue contacts, update his info
		if($sendInBlueResult->code=="duplicate_parameter"){
			if(empty($sendInBlueContact["email"])){
				$sendInBlueContact["email"] = str_replace('+','',$sendInBlueContact["attributes"]["sms"])."@mailin-sms.com";
			}
			$ch = curl_init($APIurl.'/'.urlencode($sendInBlueContact["email"]));
			var_dump($APIurl.'/'.urlencode($sendInBlueContact["email"]));
			curl_setopt_array($ch, array(
				CURLOPT_CUSTOMREQUEST  => "PUT",
				CURLOPT_RETURNTRANSFER => TRUE,
				CURLOPT_HTTPHEADER => array(
					'api-key: '.$sendInBlueAPIkey,
					'content-type: application/json',
					'accept: application/json',
				),
				CURLOPT_POSTFIELDS => json_encode($sendInBlueContact),
			));
			// Send the request
			$sendInBlueResult = json_decode(curl_exec($ch));
			$sendInBlueResponseCode = curl_getinfo($ch,CURLINFO_RESPONSE_CODE);
			if($sendInBlueResult==NULL && $sendInBlueResponseCode==204){
				$sendInBlueResult = "ok";
			}
			curl_close($ch);
		}
	}
	
	/* END OF SENDINBLUE INTEGRATION */
	
	/* HUBSPOT INTEGRATION */

	if(!empty($hubSpotAPIkey)){
		if(!empty($hubSpotContact)){
			foreach($hubSpotContact as $key=>$value){
				$properties[] = array(
					'property' => $key,
					'value' => $value
				);
			}
			$properties = array('properties' => $properties);
			$properties = json_encode($properties);
			$ch = @curl_init();
			@curl_setopt($ch, CURLOPT_POST, true);
			@curl_setopt($ch, CURLOPT_POSTFIELDS, $properties);
			@curl_setopt($ch, CURLOPT_URL, 'https://api.hubapi.com/contacts/v1/contact?hapikey='.$hubSpotAPIkey);
			@curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
			@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			$hubSpotResult = @curl_exec($ch);
			$status_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE);
			@curl_close($ch);
			if($status_code==200){
				$hubSpotResult = "ok";
			}else{
				$hubSpotResult = json_decode($hubSpotResult);
				if($hubSpotResult->error == "CONTACT_EXISTS"){ // Then update existing contact
					$ch = @curl_init();
					@curl_setopt($ch, CURLOPT_POST, true);
					@curl_setopt($ch, CURLOPT_POSTFIELDS, $properties);
					@curl_setopt($ch, CURLOPT_URL, 'https://api.hubapi.com/contacts/v1/contact/vid/'.$hubSpotResult->identityProfile->vid.'/profile?hapikey='.$hubSpotAPIkey);
					@curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
					@curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
					$hubSpotResult = @curl_exec($ch);
					$status_code = @curl_getinfo($ch, CURLINFO_HTTP_CODE);
					@curl_close($ch);
					if($status_code==204){
						$hubSpotResult = "ok";
					}else{
						$hubSpotResult = json_decode($hubSpotResult);
						$hubSpotResult = 'Error: Message was not sent to HubSpot. Error message: '.$hubSpotResult->message.'. Check <a href="https://designmodo.com/startup/documentation/#hubspot" target="_blank" class="link color-transparent-white">how to set HubSpot integration</a>.';
					}
				}else{
					$hubSpotResult = 'Error: Message was not sent to HubSpot. Error message: '.$hubSpotResult->message.'. Check <a href="https://designmodo.com/startup/documentation/#hubspot" target="_blank" class="link color-transparent-white">how to set HubSpot integration</a>.';
				}
			}
		}else{
			$hubSpotResult = 'Error: Message was not sent to HubSpot. Please, add at least one field to your form that could be added to HubSpot. Check <a href="https://designmodo.com/startup/documentation/#hubspot" target="_blank" class="link color-transparent-white">what fields are supported</a>.';
		}
	}
	
	/* END OF HUBSPOT INTEGRATION */
	
	/* TELEGRAM INTEGRATION */
	
	if(!empty($telegramChatId) && !empty($telegramToken)){
		$telegramMessage = $message;
		$telegramMessage = str_replace("<br>","\n",$telegramMessage);
		$telegramMessage = str_replace("<br/>","\n",$telegramMessage);
		$telegramMessage = str_replace("<br />","\n",$telegramMessage);
		if(!empty($telegramMessage)){
			$curl = curl_init();
			curl_setopt_array($curl, [
				CURLOPT_RETURNTRANSFER => 1,
				CURLOPT_URL => 'https://api.telegram.org/bot'.$telegramToken.'/sendMessage?chat_id='.$telegramChatId.'&text='.urlencode($telegramMessage).'&parse_mode=HTML',
			]);
			$telegramResult = json_decode(curl_exec($curl));
			curl_close($curl);
		}
	}

	/* END OF TELEGRAM INTEGRATION */
	
	/* VIBER INTEGRATION */
	
	if(!empty($viberToken)){
		if(file_exists("viberUserID.txt") && file_exists("viberWebHook.txt")){
			$viberUserID = file_get_contents("viberUserID.txt");
			$viberMessage = $message;
			$viberMessage = str_replace("<br>","\n",$viberMessage);
			$viberMessage = str_replace("<br/>","\n",$viberMessage);
			$viberMessage = str_replace("<br />","\n",$viberMessage);
			$viberMessage = str_replace("<b>","",$viberMessage);
			$viberMessage = str_replace("</b>","",$viberMessage);
			$ch = curl_init("https://chatapi.viber.com/pa/send_message");
			curl_setopt_array($ch, array(
				CURLOPT_POST => TRUE,
				CURLOPT_RETURNTRANSFER => TRUE,
				CURLOPT_HTTPHEADER => array(
					"X-Viber-Auth-Token: ".$viberToken,
				),
				CURLOPT_POSTFIELDS => json_encode(array(
					"receiver"=>$viberUserID,
					"type"=>"text",
					"sender"=>array(
						"name"=>"Startup Notification Bot"
					),
					"text"=>$viberMessage,
				)),
			));
			// Send the request
			$viberResult = json_decode(curl_exec($ch),true);
			if($viberResult["status"]==0 && $viberResult["status_message"]=="ok"){
				$viberResult = "ok";
			}else{
				$viberResult = 'Error: Message was not sent. Viber error message: '.$viberResult["status_message"].'. Check <a href="https://designmodo.com/startup/documentation/#viber" target="_blank" class="link color-transparent-white">how to set up viber integration</a>.';
			}
		}else{
			if(!file_exists("viberWebHook.txt")){ // webhook is not set
				$ch = curl_init("https://chatapi.viber.com/pa/set_webhook");
				curl_setopt_array($ch, array(
					CURLOPT_POST => TRUE,
					CURLOPT_RETURNTRANSFER => TRUE,
					CURLOPT_HTTPHEADER => array(
						"X-Viber-Auth-Token: ".$viberToken,
					),
					CURLOPT_POSTFIELDS => json_encode(array(
						"url"=>$scriptUrl,
						"event_types"=>array("message", "subscribed", "unsubscribed", "conversation_started"),
						"send_name"=> true,
						"send_photo"=> true
					)),
				));
				// Send the request
				$viberResult = json_decode(curl_exec($ch), true);
				if($viberResult["status_message"]=="ok"){
					$f = fopen("viberWebHook.txt","w");
					fclose($f);
					clearstatcache();
					$viberResult = 'Viber webhook successfully set! Now you need to subscribe to your Viber bot and send it a message. Check <a href="https://designmodo.com/startup/documentation/#viber" target="_blank" class="link color-transparent-white">more info here</a>.';	
				}else{
					$viberResult = 'Error: Viber webhook is not set! Viber error message: '.$viberResult["status_message"].'. Check <a href="https://designmodo.com/startup/documentation/#viber" target="_blank" class="link color-transparent-white">how to set up viber integration</a>.';
				}
			}else{
				$viberResult = 'Error: file viberUserID.txt does not exist or empty. You need to subscribe to your Viber bot and send it a message. Check <a href="https://designmodo.com/startup/documentation/#viber" target="_blank" class="link color-transparent-white">how to set up viber integration</a>.';				
			}
		}
	}
	
	/* END OF VIBER INTEGRATION */
	
	/* MAKE A RESPONSE */
	
	$response = "Error: unknown error. Please, check if your hosting supports PHP.";
	
	if(empty($to) && empty($MailChimpAPIkey) && empty($MailChimpListID) && empty($telegramToken) && empty($telegramChatId) && empty($viberToken)){
		$response = 'Error: not any integration is set. Check our <a href="https://designmodo.com/startup/documentation/" target="_blank" class="link color-transparent-white">documentation</a> to know how to do that.';
	}
	if(!empty($to)){
		if($mail){
			$response = "ok";
		}else{
			$response = 'Error: PHP mail() function returns "false". Check is "$to" email address set and your hosting supports PHP mail() function. Also check <a href="https://designmodo.com/startup/documentation/#form-handler" target="_blank" class="link color-transparent-white">how to set up forms data sending</a>.';
		}
	}
	if(!empty($MailChimpAPIkey) && !empty($MailChimpListID)){
		if($MailChimpResult->id){
			$response = "ok";
		}else{
			$response = 'Error: Data was not sent to MailChimp. MailChimp error message: "'.$MailChimpResult->title.'. '.$MailChimpResult->detail.'". Suggestion: check if "$MailChimpAPIkey" and "$MailChimpListID" are set correctly, form has &lt;input name="email"&gt; field filled. Also check <a href="https://designmodo.com/startup/documentation/#mailchimp" target="_blank" class="link color-transparent-white">how to make MailChimp integration</a>.';
			if(empty($_POST['email'])){
				$response = 'Error: Data was not sent to MailChimp, "email" field is empty.';
			}
		}
	}
	if(!empty($sendInBlueAPIkey) && !empty($sendInBlueListIDs)){
		if($sendInBlueResult=="ok"){
			$response = "ok";
		}else{
			$response = 'Error: Data was not sent to SendInBlue. MailChimp SendInBlue message: "'.$sendInBlueResult->message.' (error code = '.$sendInBlueResult->code.')". Suggestion: check if your form has &lt;input name="email"&gt; or &lt;input name="phone"&gt; field filled. Also check <a href="https://designmodo.com/startup/documentation/#sendinblue" target="_blank" class="link color-transparent-white">how to make SendInBlue integration</a>.';
			if(empty($_POST['email']) && empty($_POST['phone'])){
				$response = 'Error: Data was not sent to SendInBlue. Both "email" and "phone" fields are empty.';
			}
		}
	}
	if(!empty($hubSpotAPIkey)){
		$response = $hubSpotResult;
	}
	if(!empty($telegramToken) && !empty($telegramChatId)){
		if($telegramResult->ok){
			$response = "ok";
		}else{
			$response = 'Error: Data was not sent to Telegram. Telegram error message: "'.$telegramResult->description.'". Suggestion: check if "$telegramToken" and "$telegramChatId" are set correctly. Also check <a href="https://designmodo.com/startup/documentation/#telegram" target="_blank" class="link color-transparent-white">how to make Telegram integration</a>.';
		}
	}
	if(!empty($viberToken)){
		$response = $viberResult;
	}
	
	echo $response;
}else{
	echo 'Error: $_POST PHP variable is empty (no data received from form). Check if your &lt;form&gt; tag has method="POST" attribute.';
}
	
/* Viber webhook */

if(!empty($viberToken)){
	$viberUserFile = "viberUserID.txt";
	if(!file_exists($viberUserFile)){ // create file if not exists
		$f = fopen($viberUserFile,"w");
		fclose($f);
		clearstatcache();		
	}
	$viberUserID = file_get_contents($viberUserFile);
	if(strlen($viberUserID)==0){ // if no stored users to send messages
		$callback = file_get_contents("php://input"); // callback from viber
		$callbackArray = json_decode($callback,true);
		if(!empty($callbackArray["event"])){
			if($callbackArray["event"]=="message" || $callbackArray["event"]=="conversation_started" || $callbackArray["event"]=="subscribed"){
				// save ID of user who have interaction with bot
				if($callbackArray["event"]!="message"){
					$userId = $callbackArray["user"]["id"];
				}else{
					$userId = $callbackArray["sender"]["id"];
				}
				file_put_contents($viberUserFile,$userId);
				$viberUserID = $userId;
			}
		}
	}
}