json mapper speed comparison.php

<?php

use JsonMapper\Cache\ArrayCache;
use JsonMapper\Handler\PropertyMapper;

require 'vendor/autoload.php';

function bench($what = 'Bench', $echo = true)
{
    global $DEBUG_TIME;
    if ($DEBUG_TIME === null) {
        $DEBUG_TIME = hrtime(true);
    } else {
        $t = (hrtime(true) - $DEBUG_TIME) / 1e+9;
        $DEBUG_TIME = null;
        if ($echo) {
            echo "{$what} took {$t} s\n";
        } else {
            return $t;
        }
    }
    return null;
}

class Address
{
    public ?string $street;
    public ?string $city;
}

class Contact
{
    /**
     * Full name
     * @var string|null
     */
    public ?string $name;

    /**
     * @var Address|null
     */
    public ?Address $address;
}

$json = json_decode('{"name":"Mario Rossi","address":{"street":"Via XX XX 1","city":"Milano"}}', false, 512, JSON_THROW_ON_ERROR);

$mapper1 = new JsonMapper();
$mapper2 = (new \JsonMapper\JsonMapperFactory())->bestFit();


bench('cweiske/jsonmapper json mapper');
for ($i = 0; $i < 100000; $i++) {
    $o = new Contact();
    $mapper1->map($json, $o);
}
bench('cweiske/jsonmapper json mapper');

bench('new json mapper "best fit"');
for ($i = 0; $i < 100000; $i++) {
    $o = new Contact();
    $mapper2->mapObject($json, $o);
}
bench('jsonmapper/jsonmapper json mapper "best fit"');

$mapper2 = (new \JsonMapper\JsonMapperFactory())->default();
bench('new json mapper "default"');
for ($i = 0; $i < 100000; $i++) {
    $o = new Contact();
    $mapper2->mapObject($json, $o);
}
bench('jsonmapper/jsonmapper json mapper "default"');

$c=new ArrayCache();
$mapper2 = (new \JsonMapper\JsonMapperFactory())->create(
    new PropertyMapper,
    new \JsonMapper\Middleware\NamespaceResolver($c),
    new \JsonMapper\Middleware\TypedProperties($c),
);
bench('jsonmapper/jsonmapper json mapper "custom"');
for ($i = 0; $i < 100000; $i++) {
    $o = new Contact();
    $mapper2->mapObject($json, $o);
}
bench('jsonmapper/jsonmapper json mapper "custom"');

/*

composer.json 

{
    "require": {
        "json-mapper/json-mapper": "^2.9",
        "netresearch/jsonmapper": "^4.0"
    }
}

*/