Micropage in microtime using microframework

name: Radosław Benkel
nick: singles
www: http://www.rbenkel.me
twitter: @singlespl *

* and I have nothing in common with http://www.singles.pl ;]

6

SOMETIMES, FULL STACK
FRAMEWORK IS AN
OVERHEAD

7

THIS IS WHY WE HAVE
MICROFRAMEWORKS

8

USUALLY, DOES SMALL
AMOUT OF THINGS.

11

USUALLY, DOES SMALL
AMOUT OF THINGS.

ROUTING

12

USUALLY, DOES SMALL
AMOUT OF THINGS.

ROUTING
HTTP CACHING

13

USUALLY, DOES SMALL
AMOUT OF THINGS.

ROUTING
HTTP CACHING

TEMPLATES

14

Ihope,because...

16

640Koughttobe
enoughforanyone.

17

640Koughttobe
enoughforanyone.
BTW.Probablyhedidn'tsaythat:
HTTP://QUOTEINVESTIGATOR.COM/2011/09/08/640K-ENOUGH/

18

OK,OK,Iwantmeat!
readas:Showmesomecodeplease

19

Littleframework
=
littleamountofmeat

20

I'LL USE

http://www.slimframework.com/

21

BUT THERE ARE OTHERS:
http://flightphp.com/

http://silex.sensiolabs.org/

http://www.limonade-php.net

22

BASE ROUTING

?php

require 'Slim/Slim.php';

$app = new Slim();

$app-get('/', function() {
echo 'Hello World from base route.';
});

$app-run();

24

REQUIRED PARAM

?php


$app = new Slim();

});

//param name is required
$app-get('/hello_to/:name', function($name) {
echo 'Hello World to ' . $name;
});

$app-run();

25

OPTIONAL PARAM
?php


$app = new Slim();

});

//when using optional params, you have to define default value for function
param
$app-get('/hello_to(/:name)', function($name = null) {
if ($name === null) {
$name = 'John Doe';
}
});

$app-run();

26

NAMED ROUTES
?php


$app = new Slim();

$app-get('/', function() use ($app) {
echo 'Hello World from base route.br';
$url = $app-urlFor('hello', array('name' = 'Jimmy')); //create link for route
$link = sprintf('a href=%s%s/a', $url, $url);
echo 'Oh, link to hello page for Jimmy is ' . $link;
});

$name = 'John Doe';
}
})-name('hello'); //using name for route

$app-run();

27

ROUTE CONDITIONS
?php


$app = new Slim();

$url = $app-urlFor('hello', array('name' = 'Jimmy'));
});

$name = 'John Doe';
}
})-name('hello')
-conditions(array('name' = '[A-Za-z]+')); //use only letters as param 'name'

$app-run();

28

REDIRECT
?php


$app = new Slim();

/* ... */

$name = 'John Doe';
}
})-name('hello')
-conditions(array('name' = '[A-Za-z]+'));

//redirect to default hello page
$app-get('/redirect', function() use ($app) {
$app-redirect($app-urlFor('hello'));
});

$app-run();

29

REDIRECT WITH STATUS
?php


$app = new Slim();

/* ... */

$name = 'John Doe';
}
})-name('hello')

//redirect to default hello page as 301, not 302 which is default
$app-redirect($app-urlFor('hello'), 301);
});

$app-run();

30

MIDDLEWARE

?php


$app = new Slim();

$app-get('/',
function() {
//this will be executed before main callable
echo Hello, I'm middleware br;
},
function() use ($app) {
});
/* ... */
$app-run();

31

MIDDLEWARE
?php


$app = new Slim();

$app-get('/',
function() {
},
function() {
echo And I'm second middleware br;
},
});
/* ... */
$app-run();

32

MIDDLEWARE
?php


$app = new Slim();

$app-get('/',
function() {
},
function() {
echo And I'm second middleware br;
},

Andsoon-everythingbeforelastcallableis

middleware
});
/* ... */
$app-run();

33

VIEW
?php
//file index.php


$app = new Slim();

//default path is __DIR__ . /templates
return $app-render('view.php', compact('url'));
});
/* ... */
$app-run();

Hello World from base route. br
Oh, link to hello page for Jimmy is a href=?php echo $url??php echo
$url?/a

34

HTTP CACHE - ETAG
?php


$app = new Slim();

/* ... */

$app-get('/hello_to(/:name)', function($name = null) use ($app) {
$name = 'John Doe';
}
//auto ETag based on some id - next request with the same name will return 304
Not Modified
$app-etag($name);
})-name('hello')

/* ... */

$app-run();

35

HTTP CACHE - TIME BASED

?php


$app = new Slim();

/* ... */

$name = 'John Doe';
}
$app-lastModified(1327305485); //cache based on time
})-name('hello')

/* ... */

$app-run();

36

FLASH MESSAGE
?php


$app = new Slim();

return $app-render('view.php', compact('url'));
});

//redirect to default page with flash message which will be displayed once
$app-flash('info', You were redirected);
$app-redirect($app-request()-getRootUri());
});

$app-run();

?php echo $flash['info'] ?
Hello World from base route. br
Oh, link to hello page for Jimmy is a href=?php echo $url??php echo $url?/a

37

CUSTOM 404
?php


$app = new Slim();

//define custom 404 page
$app-notFound(function() {
echo I'm custom 404;
});

$name = 'John Doe';
}
$possibleNames = array('Leonard', 'Sheldon', 'John Doe');
//when name not found, force 404 page
if (array_search($name, $possibleNames) === false) {
$app-notFound();
}
})-name('hello')

$app-run();

38

CUSTOM 404
?php


$app = new Slim();

//define custom 404 page
$app-notFound(function() {
echo I'm custom 404;
});


} Customerrorpage(500)alsopossible
$name = 'John Doe';

$possibleNames = array('Leonard', 'Sheldon', 'John Doe');
//when name not found, force 404 page
if (array_search($name, $possibleNames) === false) {
$app-notFound();
}
})-name('hello')

$app-run();

39

REST PATHS #1

?php


$app = new Slim();
//method name maps to HTTP method
$app-get('/article'), function(/* ... */) {});
$app-post('/article'), function(/* ... */) {});
$app-get('/article/:id/'), function(/* ... */) {});
$app-put('/article/:id/'), function(/* ... */) {});
$app-delete('/article/:id/'), function(/* ... */) {});

40

REST PATHS #2
?php


$app = new Slim();

//same as previous one
$app-map('/article'), function() use ($app) {
if ($app-request()-isGet()) {
/* ... */
} else if ($app-request()-isPost() {
/* ... */
}) else {
/* ... */
}
})-via('GET', 'POST');
$app-map('/article/:id/'), function($id) use ($app) {
//same as above
})-via('GET', 'PUT', 'DELETE');

41

ALSO:
ENCRYPTED SESSIONS AND
COOKIES,
APPLICATION MODES,
CUSTOM TEMPLATES
AND MORE...

42

http://www.slimframework.com/
documentation/stable

43

ButIcan'tusePHP5.3.
Whatthen?

44

PHP 5.2
?php

$app = new Slim();

function index() {
global $app;
$url = $app-urlFor('hello', array('Jimmy'));
}

//last param must return true for is_callable call, so that it's valid
$app-get('/', 'index');

/* ... */

$app-run();

45

PHP 5.2
?php

$app = new Slim();

function index() {
global $app;
$url = $app-urlFor('hello', array('Jimmy'));
}

//last param must return true for is_callable call, so that it's valid

Somebodysaid,that:everytime,whenyouuse
$app-get('/', 'index');

/* ... */
global,unicorndies;)
$app-run();

46

Source: http://tvtropes.org/pmwiki/pmwiki.php/Main/DeadUnicornTrope

47

Sook,secondapproach:

48

PHP 5.2
?php

class Controller {
public static $app;
public static function index() {
$url = self::$app-urlFor('hello', array('Jimmy'));
}
}


$app = new Slim();
Controller::$app = $app;

//last param must return true for is_callable call, so that it's also valid
$app-get('/', array('Controller', 'index'));
/* ... */
$app-run();

49

ButIMHOthisoneisthe
bestsolution:

50

PHP 5.2
?php

class Controller {
protected $_app;
public function __construct(Slim $app) {
$this-_app = $app;
}
public function index() {
$url = $this-_app-urlFor('hello', array('Jimmy'));
}
}


$app = new Slim();
$controller = new Controller($app);

//last param must return true for is_callable call, so that it's also valid
$app-get('/', array($controller, 'index'));
/* ... */
$app-run();

51

SO, DO YOU REALLY NEED
THAT ?

Source: http://www.rungmasti.com/2011/05/swiss-army-knife/

52

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