How to make your own REST API?

Question

PHP

Hello, you need to make your own API service in PHP, which will have REST-style data access functionality. Using a database.

What would work like this:

GET /api/games/ - list of toys

GET /api/game/12345/ - information about the toy

POST /api/games/ + JSON - add a new toy

PUT /api/games/12345/ + JSON - update an existing toy

DELETE /api/games/12345/ - delete a toy

The data is returned in JSON, using as many HTTP statuses as possible. You can use ready-made solutions via composer.

How to do what I described above, I can only receive JSON using ajax, but how to do my own, I have no idea from the word at all. It is desirable to have some simple example with explanations or a link where it is all simply explained, again with examples where everything is as clear and simple as possible, or using your example. newbie in this business.

Answer 1

index.php

<?php
# Author - Fedor Vlasenko, [email protected]
define('METHOD', $_SERVER['REQUEST_METHOD']);
define('URI', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));

function router($url, ...$args)
{
    (empty($args[1]) || false !== strpos(METHOD, $args[0]))
    && (URI === $url || preg_match('#^' . $url . '$#iu', URI, $match))
    && die(call_user_func_array(end($args), $match ?? []));
}

router('/api/games', 'GET', function () {
    echo 'список игрушек';
});

router('/api/game/(\d+)', 'GET', function (...$args) {
    echo 'информация о игрушке: ', $args[1];
});

router('/api/games', 'POST', function () {
    echo 'добавить новую игрушку';
});

router('/api/games/(\d+)', 'PUT', function (...$args) {
    echo 'обновить существующую игрушку: ', $args[1];
});

router('/api/games/(\d+)', 'DELETE', function (...$args) {
    echo ' удалить игрушку: ', $args[1];
});

header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
echo '404';

then in the console we run the built-in php server
php -S localhost:8000 index.php
test and enjoy :-)

Answer 2

The easiest way to start is to auto-generate code according to the OpenAPI specification (swagger).
Specification editor online: https://editor.swagger.io/

Answer 3

As an option - use Yii2 - it's easy to make REST API with it