The document discusses PHP traits and how they can be used to create reusable XML conversion functionality. A XmlConversion trait is defined that contains a toXml() method to convert a class to XML. This trait uses the abstract getXmlAttributes() method to retrieve attribute data. The trait is used in Person and Log classes, which both gain the toXml() conversion method. Objects of these classes can then be converted to XML.

1. The state of
your own
hypertext processor
Alessandro Nadalin
27/03/2012

2. What we had

4. PEAR / PECL

8. What we have

12. What you should
look at

13. XHPROF
https://github.com/facebook/xhprof

14. Traits
http://php.net/manual/en/language.oop5.traits.php

15. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

16. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

17. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

18. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

19. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

20. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

21. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

22. trait XmlConversion {
public function toXml() {
$xml = new SimpleXMLElement('<object></object>');
foreach($this->getXmlAttributes() as $attribute) {
$xml->addChild(new ...)
}
return $xml->asXml();
}
abstract protected function getXmlAttributes();
}
class Person {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
class Log {
use XmlConversion;
protected function getXmlAttributes() {
return ...
}
}
$user = new Person();
$user->toXml();
$log = new Log();
$log->toXml();

23. SPDY
http://dev.chromium.org/spdy/spdy-whitepaper

24. PHP application server
http://www.photon-project.com/

25. HInclude
http://mnot.github.com/hinclude/

26. <hx:include src="/footer.html"></hx:include>

27. <hx:include src="/footer.html"></hx:include>

28. <hx:include src="/footer.html"></hx:include>

29. Composer
http://packagist.org/

30. {
"name": "robowhois/Robowhois",
"type": "library",
"description": "PHP SDK for Robowhois APIs.",
"keywords": ["robowhois"],
"license": "MIT",
"authors": [
{
"name": "Alessandro Nadalin",
"email": "alessandro.nadalin@gmail.com",
"homepage": "http://www.odino.org"
},
{
"name": "David Funaro",
"email": "ing.davidino@gmail.com",
"homepage": "http://davidfunaro.com"
}
],
"autoload": {
"psr-0": {
"Robowhois": "src/"
}
},
"require": {
"php": ">=5.3.2",
"kriswallsmith/Buzz": "v0.5",
"symfony/http-foundation": "v2.0.12"
}
}

31. {
"name": "robowhois/Robowhois",
"type": "library",
"description": "PHP SDK for Robowhois APIs.",
"keywords": ["robowhois"],
"license": "MIT",
"authors": [
{
"name": "Alessandro Nadalin",
"email": "alessandro.nadalin@gmail.com",
"homepage": "http://www.odino.org"
},
{
"name": "David Funaro",
"email": "ing.davidino@gmail.com",
"homepage": "http://davidfunaro.com"
}
],
"autoload": {
"psr-0": {
"Robowhois": "src/"
}
},
"require": {
"php": ">=5.3.2",
"kriswallsmith/Buzz": "v0.5",
"symfony/http-foundation": "v2.0.12"
}
}

32. {
"name": "robowhois/Robowhois",
"type": "library",
"description": "PHP SDK for Robowhois APIs.",
"keywords": ["robowhois"],
"license": "MIT",
"authors": [
{
"name": "Alessandro Nadalin",
"email": "alessandro.nadalin@gmail.com",
"homepage": "http://www.odino.org"
},
{
"name": "David Funaro",
"email": "ing.davidino@gmail.com",
"homepage": "http://davidfunaro.com"
}
],
"autoload": {
"psr-0": {
"Robowhois": "src/"
}
},
"require": {
"php": ">=5.3.2",
"kriswallsmith/Buzz": "v0.5",
"symfony/http-foundation": "v2.0.12"
}
}

33. {
"name": "robowhois/Robowhois",
"type": "library",
"description": "PHP SDK for Robowhois APIs.",
"keywords": ["robowhois"],
"license": "MIT",
"authors": [
{
"name": "Alessandro Nadalin",
"email": "alessandro.nadalin@gmail.com",
"homepage": "http://www.odino.org"
},
{
"name": "David Funaro",
"email": "ing.davidino@gmail.com",
"homepage": "http://davidfunaro.com"
}
],
"autoload": {
"psr-0": {
"Robowhois": "src/"
}
},
"require": {
"php": ">=5.3.2",
"kriswallsmith/Buzz": "v0.5",
"symfony/http-foundation": "v2.0.12"
}
}

34. wget http://getcomposer.org/composer.
phar
php composer.phar install

35. wget http://getcomposer.org/composer.
phar
php composer.phar install

36. wget http://getcomposer.org/composer.
phar
php composer.phar install

37. Interoperability
https://github.com/php-fig/fig-standards

38. The new exec()
https://github.com/symfony/Process

39. <?php
require __DIR__ . '/vendor/.composer/autoload.php';
use SymfonyComponentProcessProcess;
$file = sys_get_temp_dir() . '/test.output.txt';
$handle = fopen($file, 'w+');
$process = new Process('phpunit -c /home/foor/bar/phpunit.xml
/home/foo/bar');
$process->run(function ($type, $buffer) use($handle) {
fwrite($handle, nl2br($buffer));
});
fclose($handle);

40. <?php
require __DIR__ . '/vendor/.composer/autoload.php';
use SymfonyComponentProcessProcess;
$file = sys_get_temp_dir() . '/test.output.txt';
$handle = fopen($file, 'w+');
$process = new Process('phpunit -c /home/foor/bar/phpunit.xml
/home/foo/bar');
$process->run(function ($type, $buffer) use($handle) {
fwrite($handle, nl2br($buffer));
});
fclose($handle);

41. <?php
require __DIR__ . '/vendor/.composer/autoload.php';
use SymfonyComponentProcessProcess;
$file = sys_get_temp_dir() . '/test.output.txt';
$handle = fopen($file, 'w+');
$process = new Process('phpunit -c /home/foor/bar/phpunit.xml
/home/foo/bar');
$process->run(function ($type, $buffer) use($handle) {
fwrite($handle, nl2br($buffer));
});
fclose($handle);

42. <?php
require __DIR__ . '/vendor/.composer/autoload.php';
use SymfonyComponentProcessProcess;
$file = sys_get_temp_dir() . '/test.output.txt';
$handle = fopen($file, 'w+');
$process = new Process('phpunit -c /home/foor/bar/phpunit.xml
/home/foo/bar');
$process->run(function ($type, $buffer) use($handle) {
fwrite($handle, nl2br($buffer));
});
fclose($handle);

43. A "new" simple SAPI
https://github.com/symfony/Console

44. <?php
use SymfonyComponentConsoleCommandCommand;
use SymfonyComponentConsoleOutputOutputInterface;
use SymfonyComponentConsoleInputInputInterface;
use SymfonyComponentProcessProcess;
class Install extends Command
{
protected $installDir;
protected $failingProcess;
protected $dependenciesContainer;
public function __construct(DependencyContainer $dependenciesContainer)
{
parent::__construct();
$this->dependenciesContainer = $dependenciesContainer;
}
protected function execute(InputInterface $input, OutputInterface $output)
{
if ($this->createInstallationDirectory($output)
&& $this->downloadComposer($output)
&& $this->generateJson($output)
&& $this->install($output)) {
$output->writeln('<info>MISSION ACCOMPLISHED</info>');
} else {
$output->writeln('<error>Nasty error happened :'-(</error>');
if ($this->failingProcess instanceOf Process) {
$output->writeln('<error>%s</error>', $this->failingProcess->getErrorOutput());
}
}
}
protected function configure()
{
$this
->setName('install')
;
}
}

45. ‫وداﻋﺎ وداﻋﺎ‬