engage.php

<?php
/*
Example script that will import $born events into your Mixpanel projects for your existing users.

Feel free to modify. If you have a high number of users you might want to use some sort of queing system instead of 
a sleep command to make sure that all the requests get sent propertly. 
*/

/*
Dummy Data:
This array represents the data you would fetch from your own database that would have user_ids and the date you would like to set as their 
birthdate. Mixpanel will use this birthdate to determine their cohort. 
*/
$project_token = "[something]"; // Portal
$api_key = "[something]"; // portal


$users = array(
  '13c595d0-9bf5-0130-b1a0-7a163e02a1d3' => '2013-04-26 23:12:59',
);

date_default_timezone_set("UTC"); //set for the timezone your sign up data is using. 

//Constructer: new EventImporter("Project Token","Project API Key");
//Both these values are on your mixpanel accounts page: http://mixpanel.com/account/
$metrics = new UserProfileImporter($project_token, $api_key);

foreach($users as $id=>$birthdate){
  $user = array();
  $user['distinct_id'] = $id; //distinct_id should be your identifier
  $user['set'] = array('$name'=>'Anne-Lyse', '$email'=>'[email protected]', '$created'=>'2013-04-26 23:12:59');
  echo "\nSending $user user.\n";

  $metrics->import($user);
}


class UserProfileImporter {
  public $token;
  public $api_key;
  public $host = "http://api.mixpanel.com/";
  public function __construct($token_string, $api_key) {
    $this->token = $token_string;
    $this->api_key = $api_key;
  }
  public function import($user = array()) {
    $user['token'] = $this->token;
    // print_r($user); die;
    $url = $this->host . 'engage/?data=' . base64_encode(json_encode($user)) . "&api_key=$this->api_key";
    echo "$url\n";
    exec("curl '" . $url . "' >/dev/null 2>&1 &"); 
    sleep(.2);
  }
}