https://docs.docker.com/develop/sdk/examples/ http examples

PHP Docker Engine cURL.php

<?php


function dockerGet($endpoint) {
    set_time_limit(0);

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $endpoint);
    curl_setopt($ch, CURLOPT_UNIX_SOCKET_PATH, '/var/run/docker.sock');
    curl_setopt($ch, CURLOPT_BUFFERSIZE, 256);
    curl_setopt($ch, CURLOPT_TIMEOUT, 1000000);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $result = curl_exec($ch);
    curl_close($ch);
    return $result;
}

var_dump(dockerGet("http:/v1.24/containers/json"));