PHP Interface for IFTTT Maker

interface.php

<?php

$TOKEN = "INSERT_RANDOM_TOKEN_HERE";

# Capture JSON content
$input=json_decode(file_get_contents('php://input'), true);

# Check if correct TOKEN passed or else redirect to Google
if($input['token'] != $TOKEN) {
  header('Location: http://www.google.com/');
  exit;
}

switch ($input['type']) {
  
case 'purifier':

  if ($input['action'] == "toggle") {
    $output=shell_exec("ssh pi@10.0.0.23 '/opt/air_purifier.sh on'");
    exit;
  }
}

?>