Miscellaneous phalcon adapters, extensions and utilities

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0.1.0 2020-01-03 14:37 UTC


Useful phalcon adapters, middlewares, extensions and utilities!

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composer require adhocore/phalcon-ext

What's included












Extends Phalcon\Cache\Backend\Redis to allow access over the underlying redis binding.


$di->setShared('redis', function () {
    return new \PhalconExt\Cache\Redis(new \Phalcon\Cache\Frontend\None(['lifetime' => 0]));

// Call native \Redis methods like:


Definitely check how it works in adhocore/cli and how it is integrated & used in example/cli, example/MainTask.php


$di = new PhalconExt\Di\FactoryDefault;

$di->setShared('dispatcher', Phalcon\Cli\Dispatcher::class);
$di->setShared('router', Phalcon\Cli\Router::class);

$di->setShared('config', new Phalcon\Config([
    'console' => [
        'tasks' => [
            // Register your tasks here: 'name' => class
            // You will define their options/arguments in respective `onConstruct()`
            'main' => Your\MainTask::class,

$console = new PhalconExt\Cli\Console($di, 'MyApp', 'v1.0.1');

// Or if you have your own Console extends, just use the trait
class YourConsole extends \Phalcon\Cli\Console
    use PhalconExt\Cli\Extension;

command(string $command, string $descr = '', bool $allowUnknown = false): Ahc\Cli\Command

You can register command in the bootstrap if few or you can organise them in SomeTask::onConstruct() like so:

class MainTask extends Phalcon\Cli\Task
    public function onConstruct()
        ($console = $this->getDI()->get('console'))
            ->command('main', 'Main task ...', false)
                ->arguments('<requiredPath> [optional:default]');
                ->option('-s --stuff', 'Description', 'callable:filter', 'default')
                ->tap($console) // for fluency
            ->schedule('7-9 * */9 * *')
            ->command('main:other', ...)
            ->schedule('@5mintues') // @10minutes, @15minutes, @weekly, @daily, @yearly, @hourly ...

    public function mainAction()
        $io = $this->interactor;

        // Access defined args/opts for writing to terminal:
        $io->write($this->command->requiredPath, true);
        $io->write($this->command->stuff, true);

Now everytime you run command php cli.php main main the-path --stuff whatever, it will print the-path and whatever! cli.php can be anything of your choosing that should be equivalent to example/cli.

initTasks(void): self

Inits the loadable tasks. It is done automatically if you have listed them in console.tasks config (see Setup section above). If you have loaded tasks dyanamically or late in the process call it manually: $console->initTasks().


Enables you to define, register and fire middlewares for the cli in simplest possible way! PhalconExt/Cli/Middleware/Factory is registered by default for convenience. It injects relevant command instance (Ahc\Cli\Input\Command) to DI and is auto triggered for --help, --version.

Define middleware

class HelloConsole
    // Prints hello every time you run a console cmd, just before execution
    public function before(PhalconExt\Cli\Console $console)
        $console->getDI()->get('interactor')->bgGreenBold('Hello', true);

        return true; // Indicates success and no-objection!

Register/retrieve middleware(s)

// Single:

// Multiple:
$console->middlewares([HelloConsole::class, Another::class]);

// Get em: (It already contains PhalconExt/Cli/Middleware/Factory)
$console->middlewares(); // array

Firing middlewares

You dont have to. The before and after methods of all middlewares are automatically invoked as console lifecycle event.


Being factory feature of adhocore/phalcon-ext it is auto loaded so you dont have to put in config's console.tasks array.

It provides for commands schedule:list (or schedule list) and schedule:run or schedule run to respectively list all scheduled commands and run all commands due at that specific moment.

Registering tasks to be scheduled is a cheese too. Check command() section above, you can schedule a task in fluent interface like so:

    ->command('task:action', ...)
    ->schedule('crontab expression') // You can also use humanly phrases: @daily, @hourly

As you can see, all you need to do in crontab is add the entry: * * * * * php /path/to/your/phalcon-app-using-phalcon-ext/src/cli.php schedule:run ... and manage everything here in the code!


Any tasks scheduled to run by automation like this should preferably not define required arguments or options of the form <name>, as firstly they are not validated when being run as scheduled task, and secondly the philosphy of scheduling is to register single crontab script * * * * * php /app/src/cli.php schedule:run with no any args/options. (and these are made to run unattended if you want third point!)

However if you insist, it is possible to append --option-name value after schedule:run segment but this value goes to all of the due tasks runnable at the moment. They all can read it with $this->command->optionName.



$di->setShared('config', new \Phalcon\Config([
    'database' => [
        'driver' => 'sqlite',
        'dbname' => __DIR__ . '/.var/db.db',
    // ... other options (see phalcon &/or pdo docs)

$di->setShared('db', function () {
    // Can use Mysql or Postgresql too
    return (new \PhalconExt\Db\Sqlite($this->get('config')->toArray()['database']));

// Or if you have your own already, just use the trait
class YourDb extends \Phalcon\Db\Adapter
    use PhalconExt\Db\Extension;

upsert(string $table, array $data, array $criteria): bool

Insert or update data row in given table as per given criteria.

$di->get('db')->upsert('users', ['name' => 'John'], ['username' => 'johnny']);

insertAsBulk(string $table, array $data): bool

Insert many items at once - in one query - no loop.

$di->get('db')->insertAsBulk('table', [
    ['name' => 'name1', 'status' => 'status1'],
    ['details' => 'detail2', 'name' => 'name2'], // columns dont need to be ordered or balanced

countBy(string $table, array $criteria): int

Count rows in table by criteria.

$di->get('db')->countBy('table', ['name' => 'name1', 'status' => 'ok']);


Hook into the db as an event listener and log all the sql queries- binds are interpolated.

$di->setShared('config', new \Phalcon\Config([
    'sqllogger' => [
        'enabled'        => true,
        'logPath'        => __DIR__ . '/.var/sql/', // directory
        'addHeader'      => true,
        'backtraceLevel' => 5,
        'skipFirst'      => 2,



Foreword This whole example and the entire phalcon-ext package almost always used $di->get('service') and not $di->getShared('service'), this is because if you have set 'service' as shared, get() will return that same shared instance again and again and if not then it will spawn new instance- the point is if we dont want new instance why dont we setShared() it? One has to consciously think whether to setShared() or set() instead of getShared() or get().


$di = new \PhalconExt\Di\FactoryDefault;

// Or if you have your own already, just use the trait
class YourDi extends \Phalcon\Di
    use PhalconExt\Di\Extension;

registerAliases(array $aliases): self

Register aliases for di service so they can be resolved automatically by name &/or typehints.

    'TheAlias'                 => 'service',
    \Phalcon\Db\Adapter::class => 'db',

resolve(string $class, array $parameters = []): mixed

Recursively resolve all dependencies of a given class FQCN and return new instance.

$instance = $di->resolve(\Some\Complex\ClassName::class, $parameters);

replace(array $services): self

Override a di service but keep backup so it may be restored if needed (great for tests)

$di->replace(['service' => new \MockedService]);

restore(?string $service)

Restore the overridden services to their usual defaults.

$di->restore();          // All
$di->restore(['service']); // One


di(?string $service): mixed

Easily resolve di services with this shortcut.

class AnyClass
    use \PhalconExt\Di\ProviesDi;

    public function anyFn()
        $di = $this->di();
        $db = $this->di('db');


A base implementation for middlewares on top of which you can create your own middlewares. You just have to implement one or both of before() &/or after() methods that recieves request and response objects. See an example for Ajax middleware:

$di->setShared('config', new \Phalcon\Config([
    'ajax' => [
        'uriPrefix' => '/ajax',

class Ajax extends \PhalconExt\Http\BaseMiddleware
    /** @var string The root key in config having settings for Ajax middleware */
    protected $configKey = 'ajax';

     * For any uri starting with `/ajax`, allow if only it is real ajax request.
     * Register as before handler because we will abort before actual exceution if not ajax.
     * @return bool
    public function before(Phalcon\Http\Request $request, Phalcon\Http\Response $response): bool
        list(, $uri) = $this->getRouteNameUri();

        if (\stripos($uri, $this->config['uriPrefix']) !== 0) {
            return true;

        if (!$request->isAjax()) {
            // Aborts/stops the app. All other middlewares down the line are skipped
            return $this->abort(400);

        return true;

// Usage is pretty simple:
// Create an app!
$app = new Phalcon\Mvc\Application($di);
// OR micro
$app = new Phalcon\Mvc\Micro($di);

// Wrap the app with middleware and run it
(new PhalconExt\Http\Middlewares([Ajax::class]))->wrap($app);


JWT based api authentication middleware that intercepts POST /api/auth request and generates or refreshes access_token based on grant_type. For all other requests it checks Authorization: Bearer <JWT> and only allows if that is valid and the scopes are met. You can configure scopes on per endpoint basis. You can access currently authenticated user through out the app using:



$di->setShared('config', new \Phalcon\Config([
    'apiAuth' => [
        // 14 days in seconds (
        'refreshMaxAge'  => 1209600,
        // Prefix to use in stored tokens (max 4 chars)
        'tokenPrefix'    => 'RF/',
        // The route to generate/refresh access tokens.
        // genrerate: curl -XPOST -d 'grant_type=password&username=&password=' /api/auth
        // refresh:   curl -XPOST -d 'grant_type=refresh_token&refresh_token=' /api/auth
        // It can also accept json payload:
        //   -H 'content-type: application/json' -d {"grant_type":"refresh_token","refresh_token":""}
        'authUri' => '/api/auth',

        // The permission scopes required for a route
        'scopes' => [
            '/some/uri' => 'admin',
            '/next/uri' => 'user',

        // Json Web tokens configuration.
        'jwt'            => [
            'keys'       => [
                // kid => key (first one is default always)
                'default' => '*((**@$#@@KJJNN!!#D^G&(U)KOIHIYGTFD',
            'algo'       => 'HS256',
            // 15 minutes in seconds.
            'maxAge'     => 900,
            // Grace time in seconds.
            'leeway'     => 10,
            // Only for RS algo.
            'passphrase' => '',
            // Name of the app/project.
            'issuer'     => '',

// Usage:
(new PhalconExt\Http\Middlewares([
]))->wrap(new Phalcon\Mvc\Micro($di));


Caches output for requests to boost performance heavily. Requires redis service. Currently by design only GET requests are cached and this might change.


$di->setShared('config', new \Phalcon\Config([
    'httpCache' => [
        // cache life- time to live in mintues
        'ttl'       => 60,
        // White listed uri/routes to enable caching
        'routes'    => [
            // for absolute uri, prepend forward `/`
            // or you can use route name without a `/`


Enables cors with preflight for configured origins and request options.


$di->setShared('config', new \Phalcon\Config([
    'cors' => [
        'exposedHeaders' => [],
        // Should be in lowercases.
        'allowedHeaders' => ['x-requested-with', 'content-type', 'authorization'],
        // Should be in uppercase.
        'allowedMethods' => ['GET', 'POST', 'PUT', 'PATCH', 'DELETE', 'OPTIONS'],
        // Requests originating from here can entertain CORS.
        'allowedOrigins' => [
        // Cache preflight for 7 days (expressed in seconds).
        'maxAge'         => 604800,


Throttles the flooded requests as per time and quota of your choosing. Requires redis service.


$di->setShared('config', new \Phalcon\Config([
    'throttle' => [
        'maxHits' => [
            // Mintues => Max Hits
            1    => 10,
            60   => 250,
            1440 => 4500,
        'checkUserAgent' => false,
        // Cache key prefix
        'prefix'         => '_',


Middlewares can be used as a wrapper to app using PhalconExt\Http\Middlewares manager.

$app = new Phalcon\Mvc\Micro($di);

// Set all your middlewares in an array using class FQCN, they are lazily loaded
// They are executed in order of their presence
// If a middleware returns `false` from its `before()` or `after()` events,
// all other middlewares down the line are skipped
$middlewares = new PhalconExt\Http\Middlewares([

// Wrap and run the app!

// The app is wrapped and run automatically so you dont have to do:
// $app->handle();


log(string $message, int $type, array $context = [])

Echoes anything right away - but you can control formatting and log level.

$echo = $this->di(\PhalconExt\Logger\EchoLogger::class, ['config' => ['level' => Logger::INFO]]);
$echo->log('Message {a}', \Phalcon\Logger::INFO, ['a' => 'ok']);


log(string $message, int $type, array $context = [])

Delegate mundane file logging task to this trait thereby cutting down boilerplate codes.

class AnyClass
    use \PhalconExt\Logger\LogsToFile;

    protected $fileExtension = '.log';

    public function anyFn()

        $this->log('Some message', \Phalcon\Logger::INFO);


A Phalcon adapter/bridge/container/delegator (read: abcd) to swiftmailer.


$di->setShared('config', new \Phalcon\Config([
    'mail' => [
        'driver' => 'null',
        'from'   => [
            'name'  => 'Test',
            'email' => 'test@localhost',

        // for driver 'smtp':
        'host'       => '',
        'port'       => 425,
        'encryption' => true,
        'username'   => 'user',
        'password'   => 'pass',

        // for driver sendmail only (optional)
        'sendmail' => '/sendmail/binary',

$di->setShared('mailer', function () {
    return new \PhalconExt\Mail\Mailer($this->get('config')->toArray()['mail']);


A child of swiftmail message to allow attaching attachments without much ado.

$mail = $di->get('mailer')->newMail();
// Or from view template
$mail = $di->get('mailer')->newTemplateMail('view/file.twig', ['view' => 'params']);


// Attachments:
$mail->attachFile('/path/to/file', 'optional attachment name');

$mail->attachFiles(['/path/to/file1', '/path/to/file2']);
// OR
    'attachment name 1' => '/path/to/file1',
    'attachment name 2' => '/path/to/file2',

$mail->attachRaw('Raw plain text data', 'rawtext.txt', 'text/plain');



Like Logger.LogsToFile above, but for mails.

class AnyClass
    use \PhalconExt\Mail\Mailable;

    public function anyFn()
        $this->mail('test@local', 'Hi', ['body' => 'Hello']);
        $this->mail('test@local', 'Hi', ['template' => 'view/file.twig', 'params' => ['key' => 'value']]);


Automatically logs all sent mails into file as a swiftmailer event listener- you can choose log formats: eml | html | json.


$di->setShared('config', new \Phalcon\Config([
    'mail' => [
        'driver' => 'null',
        'from'   => [
            'name'  => 'Test',
            'email' => 'test@localhost',
        'logger' => [
            'enabled' => true,
            'logPath' => __DIR__ . '/.var/mail/', // directory
            'type'    => 'eml', // options: json, html, eml

// When setting mailer, include config `mail>logger` and it is auto set up.
$di->setShared('mailer', function () {
    return new \PhalconExt\Mail\Mailer($this->get('config')->toArray()['mail']);


prime(array $paths): int

Ensures to warm up opcache for all files in given path well before file exceution. Opcache caches are specific to the sapi it is run. So for web, you need to have an endpoint

$primer = new \PhalconExt\Util\OpcachePrimer;

$total = $primer->prime(['/path/to/project/src', '/path/to/project/app/', '/path/to/project/vendor/']);


Validate data like we did in elsewhere- setting rules as .well-known strings or key=>value pairs (array).


$di->setShared('validation', \PhalconExt\Validation\Validation::class);

register(string $ruleName, $handler, string $message = ''): self

Register a new validation rule.

$di->get('validation')->register('gmail', function ($data) {
    // You can access current validation instance with `$this`
    // You can also access current validator options with `$this->getOption(...)`
    return stripos($this->getCurrentValue(), '') > 0;
}, 'Field :field must be an email with');

registerRules(array $ruleHandlers, array $messages = []): self

Register many new validation rules at once.

    'rule1' => function($data) { return true; },
    'rule1' => function($data) { return false; },
], [
    'rule1' => 'message1',
    'rule2' => 'message2'


$validation = $this->di('validation');

$rules = [
    // Can be string (With `abort` if the field `id` is invalid, following validations are aborted)
    'id'    => 'required|length:min:1;max:2;|in:domain:1,12,30|abort',
    // Can be an array too
    'email' => [
        'required' => true,
        'gmail'    => true,
        // With `abort` if the field `email` is invalid, following validations are aborted
        'abort'   => true,
    // validate if only exist in dataset
    'xyz' => 'length:5|if_exist',

// Validate against empty data (can be array or object)
$data = []; // OR $data = new \stdClas OR $data = new SomeClass($someData)
$validation->run($rules, $data);

$pass = $validation->pass(); // false
$fail = $validation->fail(); // true

$errors = $validation->getErrorMessages(); // array


Validates if something exists in database. You can optionally set table and column to check.

// Checks `users` table for `id` column with value 1
$rules = ['users' => 'exist'];
$data  = ['users' => 1]; // Data can be array

// Checks `users` table for `username` column with value 'admin'
$rules = ['username' => 'exist:table:users'];
$data  = new User(['username' => 'admin']); // Data can be model/entity

// Checks `users` table for `login` column with value 'admin@localhost'
$rules = ['email' => 'exist:table:users;column:login'];
$data  = (object) ['email' => 'admin@localhost']; // Data can be any Object

// Run the rules
$validation->run($rules, $data);


Use twig view natively in Phalcon


$di->setShared('config', new \Phalcon\Config([
    'view' => [
        'dir' => __DIR__ . '/view/',
    // Required
    'twig' => [
        'view_dirs'   => [__DIR__ . '/view/'], // array
        'auto_reload' => getenv('APP_ENV') !== 'prod',
        'cache'       => __DIR__ . '/.var/view/',
        // ... other options (see twig docs)

// You must have view setup with twig engine enabled.
$di->setShared('view', function () {
    return (new View)
            '.twig' => 'twig',

$di->setShared('twig', function () {
    $twig = new PhalconExt\View\Twig($this->get('view'), $this);

    // Here you can:
    // $twig->addFilter(...)
    // $twig->addExtension(...)

    return $twig;


// standalone
$di->get('twig')->render('template.twig', ['view' => 'params']);
// or as view
$di->get('view')->render('template.twig', ['view' => 'params']); // .twig is optional

You can also see the example codes for all these. Read more.

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© 2017-2020, Jitendra Adhikari | MIT


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