File "Mixpanel.php"

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<?php

require_once(dirname(__FILE__) . '/Base/MixpanelBase.php');
require_once(dirname(__FILE__) . '/Producers/MixpanelPeople.php');
require_once(dirname(__FILE__) . '/Producers/MixpanelEvents.php');

/**
 * This is the main class for the Mixpanel PHP Library which provides all of the methods you need to track events and
 * create/update profiles.
 *
 * Architecture
 * -------------
 *
 * This library is built such that all messages are buffered in an in-memory "queue"
 * The queue will be automatically flushed at the end of every request. Alternatively, you can call "flush()" manually
 * at any time. Flushed messages will be passed to a Consumer's "persist" method. The library comes with a handful of
 * Consumers. The "CurlConsumer" is used by default which will send the messages to Mixpanel using forked cURL processes.
 * You can implement your own custom Consumer to customize how a message is sent to Mixpanel. This can be useful when
 * you want to put messages onto a distributed queue (such as ActiveMQ or Kestrel) instead of writing to Mixpanel in
 * the user thread.
 *
 * Options
 * -------------
 *
 * <table width="100%" cellpadding="5">
 *  <tr>
 *      <th>Option</th>
 *      <th>Description</th>
 *      <th>Default</th>
 *  </tr>
 *  <tr>
 *      <td>max_queue_size</td>
 *      <td>The maximum number of items to buffer in memory before flushing</td>
 *      <td>1000</td>
 *  </tr>
 *  <tr>
 *      <td>debug</td>
 *      <td>Enable/disable debug mode</td>
 *      <td>false</td>
 *  </tr>
 *  <tr>
 *      <td>consumer</td>
 *      <td>The consumer to use for writing messages</td>
 *      <td>curl</td>
 *  </tr>
 *  <tr>
 *      <td>consumers</td>
 *      <td>An array of custom consumers in the format array(consumer_key => class_name)</td>
 *      <td>null</td>
 *  </tr>
 *  <tr>
 *      <td>host</td>
 *      <td>The host name for api calls (used by some consumers)</td>
 *      <td>api.mixpanel.com</td>
 *  </tr>
 *  <tr>
 *      <td>events_endpoint</td>
 *      <td>The endpoint for tracking events (relative to the host)</td>
 *      <td>/events</td>
 *  </tr>
 *  <tr>
 *      <td>people_endpoint</td>
 *      <td>The endpoint for making people updates (relative to the host)</td>
 *      <td>/engage</td>
 *  </tr>
 *  <tr>
 *      <td>use_ssl</td>
 *      <td>Tell the consumer whether or not to use ssl (when available)</td>
 *      <td>true</td>
 *  </tr>
 *  <tr>
 *      <td>error_callback</td>
 *      <td>The name of a function to be called on consumption failures</td>
 *      <td>null</td>
 *  </tr>
 *  <tr>
 *      <td>connect_timeout</td>
 *      <td>In both the SocketConsumer and CurlConsumer, this is used for the connection timeout (i.e. How long it has take to actually make a connection).
 *      <td>5</td>
 *  </tr>
 *  <tr>
 *      <td>timeout</td>
 *      <td>In the CurlConsumer (non-forked), it is used to determine how long the cURL call has to execute.
 *      <td>30</td>
 *  </tr>
 * </table>
 *
 * Example: Tracking an Event
 * -------------
 *
 * $mp = Mixpanel::getInstance("MY_TOKEN");
 *
 * $mp->track("My Event");
 *
 * Example: Setting Profile Properties
 * -------------
 *
 * $mp = Mixpanel::getInstance("MY_TOKEN", array("use_ssl" => false));
 *
 * $mp->people->set(12345, array(
 * '$first_name'       => "John",
 * '$last_name'        => "Doe",
 * '$email'            => "john.doe@example.com",
 * '$phone'            => "5555555555",
 * 'Favorite Color'    => "red"
 * ));
 *
 */
class Mixpanel extends Base_MixpanelBase {


	/**
	 * An instance of the MixpanelPeople class (used to create/update profiles)
	 *
	 * @var MixpanelPeople
	 */
	public $people;


	/**
	 * An instance of the MixpanelEvents class
	 *
	 * @var Producers_MixpanelEvents
	 */
	private $_events;


	/**
	 * An instance of the Mixpanel class (for singleton use)
	 *
	 * @var Mixpanel
	 */
	private static $_instance;
	

	/**
	 * Instantiates a new Mixpanel instance.
	 *
	 * @param $token
	 * @param array $options
	 */
	public function __construct( $token, $options = array() ) {
		parent::__construct($options);
		$this->people = new Producers_MixpanelPeople($token, $options);
		$this->_events = new Producers_MixpanelEvents($token, $options);
	}


	/**
	 * Returns a singleton instance of Mixpanel
	 *
	 * @param $token
	 * @param array $options
	 * @return Mixpanel
	 */
	public static function getInstance( $token, $options = array() ) {
		if (!isset(self::$_instance)) {
			self::$_instance = new Mixpanel($token, $options);
		}
		return self::$_instance;
	}


	/**
	 * Add an array representing a message to be sent to Mixpanel to the in-memory queue.
	 *
	 * @param array $message
	 */
	public function enqueue( $message = array() ) {
		$this->_events->enqueue($message);
	}


	/**
	 * Add an array representing a list of messages to be sent to Mixpanel to a queue.
	 *
	 * @param array $messages
	 */
	public function enqueueAll( $messages = array() ) {
		$this->_events->enqueueAll($messages);
	}


	/**
	 * Flush the events queue
	 *
	 * @param int $desired_batch_size
	 */
	public function flush( $desired_batch_size = 50 ) {
		$this->_events->flush($desired_batch_size);
	}


	/**
	 * Empty the events queue
	 */
	public function reset() {
		$this->_events->reset();
	}


	/**
	 * Identify the user you want to associate to tracked events
	 *
	 * @param string|int $user_id
	 */
	public function identify( $user_id ) {
		$this->_events->identify($user_id);
	}

	/**
	 * Track an event defined by $event associated with metadata defined by $properties
	 *
	 * @param string $event
	 * @param array $properties
	 */
	public function track( $event, $properties = array() ) {
		$this->_events->track($event, $properties);
	}


	/**
	 * Register a property to be sent with every event.
	 *
	 * If the property has already been registered, it will be
	 * overwritten. NOTE: Registered properties are only persisted for the life of the Mixpanel class instance.
	 *
	 * @param string $property
	 * @param mixed $value
	 */
	public function register( $property, $value ) {
		$this->_events->register($property, $value);
	}


	/**
	 * Register multiple properties to be sent with every event.
	 *
	 * If any of the properties have already been registered,
	 * they will be overwritten. NOTE: Registered properties are only persisted for the life of the Mixpanel class
	 * instance.
	 *
	 * @param array $props_and_vals
	 */
	public function registerAll( $props_and_vals = array() ) {
		$this->_events->registerAll($props_and_vals);
	}


	/**
	 * Register a property to be sent with every event.
	 *
	 * If the property has already been registered, it will NOT be
	 * overwritten. NOTE: Registered properties are only persisted for the life of the Mixpanel class instance.
	 *
	 * @param $property
	 * @param $value
	 */
	public function registerOnce( $property, $value ) {
		$this->_events->registerOnce($property, $value);
	}


	/**
	 * Register multiple properties to be sent with every event.
	 *
	 * If any of the properties have already been registered,
	 * they will NOT be overwritten. NOTE: Registered properties are only persisted for the life of the Mixpanel class
	 * instance.
	 *
	 * @param array $props_and_vals
	 */
	public function registerAllOnce( $props_and_vals = array() ) {
		$this->_events->registerAllOnce($props_and_vals);
	}


	/**
	 * Un-register an property to be sent with every event.
	 *
	 * @param string $property
	 */
	public function unregister( $property ) {
		$this->_events->unregister($property);
	}


	/**
	 * Un-register a list of properties to be sent with every event.
	 *
	 * @param array $properties
	 */
	public function unregisterAll( $properties ) {
		$this->_events->unregisterAll($properties);
	}


	/**
	 * Get a property that is set to be sent with every event
	 *
	 * @param string $property
	 * @return mixed
	 */
	public function getProperty( $property ) {
		return $this->_events->getProperty($property);
	}


	/**
	 * Alias an existing id with a different unique id. This is helpful when you want to associate a generated id
	 * (such as a session id) to a user id or username.
	 *
	 * @param string|int $original_id
	 * @param string|int $new_id
	 */
	public function createAlias( $original_id, $new_id ) {
		$this->_events->createAlias($original_id, $new_id);
	}
}