Lithium Presentation Examples

aop.php

<?php

class Email {

    protected $logger;

    public function __construct(Logger $logger = null) {
        $this->setLogger($logger);
    }

    public function send($to) {
        $this->getLogger()->write('Sending email to ' . $to);
        mail($to, 'Subject', 'Hello Email');
    }

    public function setLogger(Logger $logger) {
        $this->logger = $logger;
    }

    public function getLogger() {

        if (!$this->logger) {
            $this->logger = new Logger();
        }

        return $this->logger;
    }
}

aop_refactored.php

<?php

$logger = new Logger();

aop_add_before('Email->send()', function(AopTriggeredJoinpoint $joinPoint) use ($logger) {
    $args = $joinPoint->getArguments();
    $logger->write('Sending email to ' . $args[0]);
});

class Email {
    public function send($to) {
        mail($to, 'Subject', 'Hello Email');
    }
}

apply_method_filters.php

<?php

$logger = new Logger();

$email = new Email();
$email->applyFilter('send', function($self, $params, $chain) use ($logger) {

    $logger->write('Sending email to ' . $args[0]);

    return $chain->next($self, $params, $chain);
});

StaticEmail::applyFilter('send', function($self, $params, $chain) use ($logger) {

    $logger->write('Sending email to ' . $args[0]);

    return $chain->next($self, $params, $chain);
});

controller.php

<?php
class ExampleController extends \lithium\action\Controller {
    public function __construct(array $config = []) {

        $config['render'] = [
            'negotiate' => true
        ];

        parent::__construct($config);
    }

    public function action() {
        return ['key' => 'val'];
    }
}

controller_manual.php

<?php
class ExampleController extends \lithium\action\Controller {
    public function action() {
        $this->set(['key' => 'val']);
        return $this->render(['type' => 'json']);
    }
}

method_filters.php

<?php
class Email extends \lithium\core\Object {

    public function send($to) {

        return $this->_filter(__METHOD__, compact('to'), function($self, $params) {
            extract($params);
            mail($to, 'Subject', 'Hello Email');
    	});
    }

}

class StaticEmail extends \lithium\core\StaticObject {

    public static function send($to) {

        return static::_filter(__FUNCTION__, compact('to'), function($self, $params) {
            extract($params);
            mail($to, 'Subject', 'Hello Email');
    	});
    }

}

routes.php

<?php
use lithium\net\http\Router;
use lithium\action\Dispatcher;

Dispatcher::config([
    'rules' => [
        'admin' => [
            'controller' => 'app\controllers\admin\{:controller}Controller'
        ]
    ]
]);

Router::connect('/admin/{:args}', ['admin' => true], [
    'continue' => true,
    'handler' => function($request) {
        // modify the request then continue to the next route
        return $request;
    }
]);

Router::connect('/{:controller}/{:action}/{:args}');

routes_micro.php

<?php
use lithium\net\http\Router;
use lithium\action\Response;

Router::connect('/example/{:args}', [], function($request) {
    return new Response(['body' => "Hello!"]);
});

Router::connect('/create', ['http:method' => 'POST'], function($request){
    // handle POST request
});

Router::connect('/create', ['http:method' => 'GET'], function($request){
    // handle GET request
});

Router::connect('/create', ['http:host' => 'manage.example.com'], function($request){
    // handle GET request
});

types.php

Media::type('json', 'application/json', [
    'layout' => false,
    'encode' => 'json_encode',
    'decode' => 'json_decode'
]);

Media::type('csv', 'application/csv', [
    'encode' => function($data) {
        ob_start();
        $out = fopen('php://output', 'w');
        foreach ((array) $data['csv'] as $row) {
            fputcsv($out, $row);
        }
        fclose($out);
        return ob_get_clean();
    }
]);