Slim Framework 2 – Rob Allen's DevNotes

Run Slim 2 from the command line

If you need to run a Slim Framework 2 application from the command line then you need a separate script from your web-facing index.php. Let's call it bin/run.php: bin/run.php:

#!/usr/bin/env php
<php

chdir(dirname(__DIR__)); // set directory to root
require 'vendor/autoload.php'; // composer autoload


// convert all the command line arguments into a URL
$argv = $GLOBALS['argv'];
array_shift($GLOBALS['argv']);
$pathInfo = '/' . implode('/', $argv);


// Create our app instance
$app = new Slim\Slim([
    'debug' => false,  // Turn off Slim's own PrettyExceptions
]);

// Set up the environment so that Slim can route
$app->environment = Slim\Environment::mock([
    'PATH_INFO'   => $pathInfo
]);


// CLI-compatible not found error handler
$app->notFound(function () use ($app) {
    $url = $app->environment['PATH_INFO'];
    echo "Error: Cannot route to $url";
    $app->stop();
});

// Format errors for CLI
$app->error(function (\Exception $e) use ($app) {
    echo $e;
    $app->stop();
});

// routes - as per normal - no HTML though!
$app->get('/hello/:name', function ($name) {
    echo "Hello, $name\n";
});

// run!
$app->run();

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#!/usr/bin/env php

<php

chdir(dirname(__DIR__)); // set directory to root

require 'vendor/autoload.php'; // composer autoload

// convert all the command line arguments into a URL

$argv = $GLOBALS['argv'];

array_shift($GLOBALS['argv']);

$pathInfo = '/' . implode('/', $argv);

// Create our app instance

$app = new Slim\Slim([

'debug' => false, // Turn off Slim's own PrettyExceptions

]);

// Set up the environment so that Slim can route

$app->environment = Slim\Environment::mock([

'PATH_INFO' => $pathInfo

]);

// CLI-compatible not found error handler

$app->notFound(function () use ($app) {

$url = $app->environment['PATH_INFO'];

echo "Error: Cannot route to $url";

$app->stop();

});

// Format errors for CLI

$app->error(function (\Exception $e) use ($app) {

echo $e;

$app->stop();

});

// routes - as per normal - no HTML though!

$app->get('/hello/:name', function ($name) {

echo "Hello, $name\n";

});

// run!

$app->run();

We set the script to be excutable and then we can then run it like this:

$ bin/run.php hello world

1	$ bin/run.php hello world

and the output is, as you would expect:

<strong></strong>Hello, world

1	<strong></strong>Hello, world

This works by converting the command line parameters into the URL path for Slim to route by imploding $argv… continue reading.

Posted on 17 March 2015 in Slim Framework, Slim Framework 2

Routing to a controller with Slim 2

In a couple of projects that I've written using Slim Framework 2, I've found it beneficial to organise my code into controllers with injected dependencies; probably because that's how I'm used to working with ZF2. To make this easier, I've written an extension to the main Slim class and packaged it into rka-slim-controller which will dynamically instantiate controllers for you for each route. Defining routes is exactly the same as normal for a Slim controller,… continue reading.

Posted on 17 February 2015 in Slim Framework, Slim Framework 2

Dependency injection in Slim framework 2

Slim framework comes with a Dependency Injection container called Set. The basics The DIC is accessed via the container property of $app. To set, you use the set() method:

$app->container->set('foobar', function() { return new Foo\Bar(); } );

1	$app->container->set('foobar', function() { return new Foo\Bar(); } );

If you need a given resource to be shared, then use the singleton method:

$app->container->singleton('foobar', function() { return new Foo\Bar(); } );

1	$app->container->singleton('foobar', function() { return new Foo\Bar(); } );

And then to retrieve from the container, there are multiple ways to do it:

$fooBar = $app->container->get('foobar');
$fooBar = $app->container['foobar'];
$fooBar = $app->foobar;

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$fooBar = $app->container->get('foobar');

$fooBar = $app->container['foobar'];

$fooBar = $app->foobar;

The shortcut version ($app->foobar) only works if the key is a valid PHP variable name.… continue reading.

Posted on 27 January 2015 in Slim Framework, Slim Framework 2

Using ZF2 Forms with Twig

Following on from looking at how to integrate Zend Framework 2 forms into Slim Framework, let's look at the changes required if you also happen to want to use Twig. When it comes to rendering the form, we would want our template to look like this:

    <form method="POST" role="form">
        <div class="form-group">
            {{ formRow(form.get('email')) }}
        </div>
        {{ formElement(form.get('submit')) }}
    </form>

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</div>

</form>

The ZF2 view helpers, formRow and formElement now look like Twig functions, however we don't want to have to rewrite all our ZF2 view helpers into Twig. Fortunately,… continue reading.

Posted on 23 September 2014 in Slim Framework, Slim Framework 2, Zend Framework, Zend Framework 2

Redirecting in Slim 2 Middleware

I recently ran into a problem with calling redirect() in a Slim Framework 2 middleware class, so I thought I'd better document the solution so that I remember in future! The authentication middleware looks roughly like this:

class Authentication extends \Slim\Middleware
{
    public function call()
    {
        if (!$this->isLoggedIn()) {
            $app = \Slim\Slim::getInstance();
            $app->redirect($app->urlFor('login'));
        }

        $this->next->call();
    }

    // other methods...
}

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class Authentication extends \Slim\Middleware

{

public function call()

{

if (!$this->isLoggedIn()) {

$app = \Slim\Slim::getInstance();

$app->redirect($app->urlFor('login'));

}

$this->next->call();

}

// other methods...

}

The problem is that you can't call $app->redirect() in Middleware as redirect() is designed to only run in application route callbacks and Middleware should only act on the request and response objects. This is because the app's… continue reading.

Posted on 2 September 2014 in Slim Framework, Slim Framework 2

Integrating ZF2 forms into Slim

Let's say that you want to use Zend Framework 2's Form component outside of ZF2 itself. In this case, a Slim application. It turns out that Composer makes this quite easy, though there's quite a lot of code involved, so this is a long article. Start with a really simple Slim Application. index.php:

require 'vendor/autoload.php';
$app = new \Slim\Slim();

$app->map('/', function () use ($app) {
    $app->render('home.php', array(
        'form' => $form
    ));
})->via('GET', 'POST');

$app->run();

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require 'vendor/autoload.php';

$app = new \Slim\Slim();

$app->map('/', function () use ($app) {

$app->render('home.php', array(

'form' => $form

));

})->via('GET', 'POST');

$app->run();

templates/home.php:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
  <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap-theme.min.css">
</head>

<body role="document">
  <div class="container">
    <h1 class="content-subhead">Using ZF2 Forms with Slim</h1>
  </div>
</body>
</html>

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<!DOCTYPE html>

<head>

</head>

<h1 class="content-subhead">Using ZF2 Forms with Slim</h1>

</div>

</body>

</html>

and of course, composer.json:

{
    "require": {
        "slim/slim": "2.*",
    }
}

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{

"require": {

"slim/slim": "2.*",

}

Given this starting point, we can now add Zend\Form. Firstly, we update composer.json:

{
    "require": {
        "slim/slim": "2.*",
        "zendframework/zend-form": "2.3.*",
        "zendframework/zend-servicemanager": "2.3.*",
        "zendframework/zend-i18n": "2.3.*",
        "zendframework/zend-view": "2.3.*",
        "zendframework/zend-escaper": "2.3.*"
    },
    "autoload": {
        "psr-4": {
            "RKA\\" : "RKA"
        }
    }
}

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{

"require": {

"slim/slim": "2.*",

"zendframework/zend-form": "2.3.*",

"zendframework/zend-servicemanager": "2.3.*",

"zendframework/zend-i18n": "2.3.*",

"zendframework/zend-view": "2.3.*",

"zendframework/zend-escaper": "2.3.*"

},

"autoload": {

"psr-4": {

"RKA\\" : "RKA"

}

Posted on 26 August 2014 in Slim Framework, Slim Framework 2, Zend Framework, Zend Framework 2

Category: Slim Framework 2

Run Slim 2 from the command line

Routing to a controller with Slim 2

Dependency injection in Slim framework 2

Using ZF2 Forms with Twig

Redirecting in Slim 2 Middleware

Integrating ZF2 forms into Slim

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