Guzzle 6.3.3 logging to console

guzzle-log-to-console.php

<?php

require_once 'vendor/autoload.php';

use GuzzleHttp\HandlerStack;
use GuzzleHttp\Handler\CurlHandler;
use GuzzleHttp\Client;

use Concat\Http\Middleware\Logger;

/** Guzzle logging setup */
$stack = new HandlerStack();
$stack->setHandler(new CurlHandler());
$middleware = new Logger(function ($level, $message, array $context) {
    
    $o = function($str) { echo  $str . PHP_EOL; };
    $h = function($request) { 
        /* @var $request Request */ 
        $headerStr = "";    
        foreach (array_keys($request->getHeaders()) as $header) {
            /* @var $request Request */
            $headerStr .= $header . ', ' . $request->getHeaderLine($header) . PHP_EOL;
        }
        return $headerStr;
    };

    /* @var $request GuzzleHttp\Psr7\Request */
    $request = $context['request'];
    /* @var $response GuzzleHttp\Psr7\Response */
    $response = $context['response'];
    
    if(!$response) {
        $o(PHP_EOL . 'REQUEST - ' . strtoupper($level) . ' - ' . $request->getMethod());
        $o($message);
        $o($h($request));
        $o($request->getUri());
        $o($request->getRequestTarget());
        $o('CONTENT - ' . $request->getBody()->getContents());
    } else {
        $o(PHP_EOL . 'RESPONSE - ' . strtoupper($level) . ' - ' . $response->getStatusCode());
        $o($message);
        $o($h($response));
        $o('CONTENT - ' . $response->getBody()->getContents());
        $o($response->getReasonPhrase());
        $response->getBody()->rewind();
    }
});
$middleware->setRequestLoggingEnabled(true);
$stack->push($middleware);
$client = new Client(['handler' => $stack]);

z-composer.json

{
    "name": "my/project",
    "description": "Description of project.",
    "authors": [
        {
            "name": "yourname",
            "email": "your@email.here"
        }
    ],
    "require": {
        "php": ">=5.5",
        "ext-curl": "*",
        "ext-json": "*",
        "ext-mbstring": "*",
        "guzzlehttp/guzzle": "^6.2",
        "symfony/polyfill-mbstring": "1.8.0",
        "rtheunissen/guzzle-log-middleware": "^0.4.1"
    }
}