function docker_get_container_details_for_all($host)
{
    $containers = docker_get_containers($host);
    $container_details = array();
    foreach ($containers as $container) {
        #	var_dump($container);
        $containerID = $container["Id"];
        $containerDetails = docker_get_container_details($host, $containerID);
        foreach ($containerDetails["Config"]["Env"] as $env) {
            if (1 == preg_match('/^MESOS_TASK_ID\\=(.*)/', $env, $match)) {
                dbg_log("===========Found match {$match[1]}" . print_r($match, true) . " in " . $env);
                $container_details[$match[1]] = $containerDetails;
            }
        }
    }
    return $container_details;
}
<?php

include_once dirname(__FILE__) . "/../lib/docker_api.php";
include_once dirname(__FILE__) . "/../lib/utilities.php";
$containers = docker_get_containers("instance-11705.bigstep.io");
var_dump($containers);
$containerID = $containers[1]["Id"];
$containerDetails = docker_get_container_details("instance-11705.bigstep.io", $containerID);
var_dump($containerDetails);
foreach ($containerDetails["Config"]["Env"] as $env) {
    if (substr($env, 0, strlen("MESOS_TASK_ID")) == "MESOS_TASK_ID") {
        $mesos_task_id = substr($env, strlen("MESOS_TASK_ID") + 1);
        break;
    }
}
var_dump($mesos_task_id);
#docker_add_container_public_ip("instance-11703.bigstep.io", $containerID, "84.40.61.35",27,"84.40.61.33")