用 PHP 构建 Pokémon API：初学者指南

mkdir flight-pokeapicd flight-pokeapi

php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"php composer-setup.phpphp -r "unlink('composer-setup.php');"

./composer.phar require flightphp/core stefangabos/zebra_curl latte/latte

mkdir publictouch public/index.php

<?phpuse flightetouter;use latteengine;require __dir__ . '/../vendor/autoload.php'; // autoload the installed packages// setup latte for view rendering$latte = new engine;$latte->settempdirectory(__dir__ . '/../temp');flight::map('render', function(string $template_path, array $data = []) use ($latte) {  $latte->render(__dir__ . '/../views/' . $template_path, $data);});// setup zebra_curl for handling http requests$curl = new zebra_curl();$curl->cache(__dir__ . '/../temp');flight::map('curl', function() use ($curl) {     return $curl; });// define a simple routeflight::route('/', function() {  echo 'hello world!';});flight::start();

flight::group('/pokemon', function(router $router) {    // route to list all pokémon types    $router->get('/', function() {        $types_response = json_decode(flight::curl()->scrap('https://pokeapi.co/api/v2/type/', true));        $results = [];        while ($types_response->next) {            $results = array_merge($results, $types_response->results);            $types_response = json_decode(flight::curl()->scrap($types_response->next, true));        }        $results = array_merge($results, $types_response->results);        flight::render('home.latte', [ 'types' => $results ]);    });});

mkdir viewstouch views/home.latte

<p>welcome to the pokemon world!</p><p>types of pokemon</p><ul>    {foreach $types as $type}        <li><a href="/pokemon/type/{$type->name}">{$type->name|firstupper}</a></li>    {/foreach}</ul>

// route to fetch a specific pokémon type and list all associated pokémon$router->get('/type/@type', function(string $type) {    $curl = flight::curl();    $type_response = json_decode($curl->scrap('https://pokeapi.co/api/v2/type/' . $type, true));    $pokemon_urls = [];    foreach($type_response->pokemon as $pokemon_data) {        $pokemon_urls[] = $pokemon_data->pokemon->url;    }    $pokemon_data = [];    // the little & here is important to pass the variable by reference.    // in other words it allows us to modify the variable inside the closure.    $curl->get($pokemon_urls, function(stdclass $result) use (&$pokemon_data) {        $pokemon_data[] = json_decode($result->body);    });    flight::render('type.latte', [         'type' => $type_response->name,        'pokemons' => $pokemon_data    ]);});

touch views/type.latte

<h1>{$type|firstupper}</h1><ul>    {foreach $pokemons as $pokemon}        <li><a href="/pokemon/{$pokemon->id}">{$pokemon->name|firstupper}</a></li>    {/foreach}</ul>