Checks an IMAP mailbox for exception emails and then makes a call via Twilio if a limit is hit

process_gather.php

<?php 

if( $_REQUEST["Digits"] == "1234" ){
	
	if( file_exists(dirname(__FILE__) . "/hasExceptionNotification.lock") ){
		unlink( dirname(__FILE__) . "/hasExceptionNotification.lock" );
	}  
	touch( dirname(__FILE__) . "/pauseNotification.lock" );
	
$str = <<<EOF
<?xml version='1.0' encoding='utf-8' ?>
<Response>
	<Say>Thanks! This alert has been cleared.</Say>
</Response>
EOF;

echo $str;

}

twilioNotification.php

<?php 

error_reporting(E_ALL);
require dirname(__FILE__) . "/wrapper/Services/Twilio.php";

if(php_sapi_name() == 'cli') {
  checkIMAPMailbox( );
}else{
  clearNotification( true );
}

function clearNotification( $withXML = true ){
    
  $str = <<<EOF
<?xml version='1.0' encoding='utf-8' ?>
<Response>
	<Say>Setfive notifications has received multiple exceptions within the critical time window! Please enter 1 2 3 4 # to acknowledge this alert.</Say>
	<Gather action="http://yourhost.com/process_gather.php" method="GET" timeout="10"></Gather>
</Response>
EOF;
  
  if( $withXML ){
  	echo $str;
  }
  
}

function checkIMAPMailbox( ){

  $onlyReadMail = false;
  
  if( file_exists(dirname(__FILE__) . "/pauseNotification.lock") ){
    
    $mtime = filemtime( dirname(__FILE__) . "/pauseNotification.lock" );
    
    if( time() - $mtime > 3600 ){
      unlink(dirname(__FILE__) . "/pauseNotification.lock"); 
    }else{
      $onlyReadMail = true;
    }
    
  }
  
  $res = imap_open ( "{yourhost.com:993/ssl/imap}INBOX", "[email protected]" , "yourpassword" );
  
  if(!$res){
    die("Could not determine mailbox info.");
  }
  
  $mbox = imap_check( $res );
  $exceptionCount = 0;
  $hasException = file_exists( dirname(__FILE__) . "/hasExceptionNotification.lock" );
  
  for($i = 1; $i <= $mbox->Nmsgs; $i ++) {
    
    $msgInfo = imap_headerinfo($res, $i);  
    $subject = strtolower( $msgInfo->subject );
    imap_delete($res, $i);
    
    echo $subject . "\n";
    
    if( strpos($subject, "Exception") !== false ){
      $exceptionCount ++;
    }

    if( strpos($subject, "clear") !== false ){
    	if( file_exists(dirname(__FILE__) . "/hasExceptionNotification.lock") ){
			unlink( dirname(__FILE__) . "/hasExceptionNotification.lock" );
		}  
		touch( dirname(__FILE__) . "/pauseNotification.lock" );
		$onlyReadMail = true;
    }
    
  }
  
  imap_expunge($res);
  imap_close($res);
  
  if( $onlyReadMail ){
  	exit( 0 );
  }
  
  if( $exceptionCount >= 5 || $hasException ){
    
    touch( dirname(__FILE__) . "/hasExceptionNotification.lock" ); 
    $client = new Services_Twilio("twilio_account_id", "twilio_secret");
    
    try{
      $call = $client->account->calls->create("+your_twilio_number", "+number_to_dial", "http://yourhost.com/checkNotifications.php");
    }catch( Exception $ex ){
      echo $ex;
    }
    
  }

}