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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>PHP your perfect tool</title>
<meta name="description" content="A short guide how to test your Laravel 4 application">
<meta name="author" content="Milan Popovic">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/black.css" id="theme">
<link rel="stylesheet" href="css/presentation/php_your_perfect_tool.css">
<!-- Code syntax highlighting -->
<link rel="stylesheet" href="lib/css/zenburn.css">
<!-- Printing and PDF exports -->
<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<p>
<img src="img/php_your_perfect_tool/double_claw.jpg" alt="Double Claw" title="Double Claw">
</p>
<h1>Your perfect tool</h1>
<p>
<small>Presented by <a href="http://milanpopovic.me">Milan Popović</a> / <a href="http://twitter.com/komita1981">@komita1981</a></small>
</p>
</section>
<section>
<h2>Me</h2>
<p>
PHP developer
</p>
<p>
7 years in PHP development
</p>
<p>
Work for 12 Mnkys
</p>
<p>
I like to learn and share knowledge
</p>
<p>
Active member of PHP Srbija
</p>
</section>
<section>
<h2>You?</h2>
<p class="fragment">
Who are you?
</p>
<p class="fragment">
What's your experience in programming?
</p>
<p class="fragment">
What do you think about PHP?
</p>
</section>
<section>
<blockquote>
“There are only two kinds of programming languages: those people always bitch about and those nobody uses.”
</blockquote>
<p>
Bjarne Stroustrup
</p>
</section>
<section>
<img src="img/php_your_perfect_tool/rasmus_lerdorf.png" alt="Rasmus" title="Rasmus">
</section>
<section>
<section>
<h2>History of PHP</h2>
<p class="fragment">
Created in 1994 by Rasmus Lerdorf - <a target="_blank" href="http://twitter.com/rasmus">@rasmus</a>
</p>
<p class="fragment">
Written in C
</p>
<p class="fragment">
Personal Home Page Tools
</p>
<p class="fragment">
ZEND - Andi Gutmans and Zeev Suraski
</p>
<p class="fragment">
PHP - Hypertext Preprocessor
</p>
</section>
<section>
<h2>Timeline</h2>
<ul class="fragment">
<li>PHP 1 - 1995</li>
<li>PHP 2 - 1996</li>
<li>PHP 3 - 1998 - popularity gained<br></li>
<li>PHP 4 - 2000 - wannabe object</li>
<li>PHP 5 - 2004 - OO support</li>
<li>PHP 5.3 - 2009 - Namespaces <br></li>
<li>PHP 5.4 - 2012 - Traits, []</li>
<li>PHP 5.5 - 2013 - OPcache, Finally</li>
<li>PHP 5.6 - 2014 - Constant Scalar Expressions</li>
<li>PHP 7 - October 2015</li>
</ul>
<aside class="notes">
PHP 7 is based on PHPNG project - PHP Next Gen led by Zend to speed up apps
Performance gains are huge - 25% to 70% improvements - on current codebase
PHP 7 we can now define that we are expecting Strings, Floats, Ints or Bools
</aside>
</section>
<section>
<p>
May 2014 - PHP github repo
<p>
<img src="img/php_your_perfect_tool/php_repo_may_2014.jpg" alt="PHP Repo statistics" title="PHP Repo statistics">
</p>
</p>
<p class="fragment">
April 2015 - PHP github repo
<p class="fragment">
<img src="img/php_your_perfect_tool/php_repo_april_2015.png" alt="PHP Repo statistics" title="PHP Repo statistics">
</p>
</p>
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_1.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_2.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_3.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_4.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_5.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_6.png" alt="About PHP" title="About PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/about_php7_7.png" alt="About PHP" title="About PHP">
</section>
</section>
<section>
<section>
<h2>
Why you should choose PHP?
</h2>
</section>
<section>
<h2>Hosting</h2>
<p class="fragment">Shared</p>
<p class="fragment">VPS</p>
<p class="fragment">Dedicated servers</p>
<p class="fragment">Heroku</p>
<p class="fragment">Google App Engine</p>
<p class="fragment">Azure</p>
</section>
<section>
<h2>Popularity - TIOBE index</h2>
<p class="fragment">
<img width="800" height="600" src="img/php_your_perfect_tool/php_tiobe.png" alt="PHP Tiobe index" title="PHP Tiobe index">
</p>
</section>
<section>
<p>
<img width="800" height="600" src="img/php_your_perfect_tool/usage_of_server_side_prog_lang.png" alt="Server side language usage" title="Server side language usage">
Popularity - usage of languages on web
</p>
</section>
<section>
<h2>Community</h2>
<p class="fragment">
More than 5 millions PHP developers worldwide
</p>
<p class="fragment">
Up to thousand PHP developers in Serbia
</p>
</section>
<section>
<h2>Activity</h2>
<p>
<img src="img/php_your_perfect_tool/zf2_stats.png" alt="ZF2 github stats" title="ZF2 github stats">
<img src="img/php_your_perfect_tool/laravel_stats.png" alt="Laravel github stats" title="Laravel github stats">
</p>
</section>
<section>
<p>
<img src="img/php_your_perfect_tool/symfony_stats.png" alt="Symfony github stats" title="Symfony github stats">
<img src="img/php_your_perfect_tool/silex_stats.png" alt="Silex github stats" title="Silex github stats">
</p>
</section>
<section>
<p>
<img width="800" height="600" src="img/php_your_perfect_tool/github_new_repos-custom.png" alt="Github new repos stats" title="Github new repos stats">
</p>
</section>
<section>
<p>
Simplicity - Highly learnable <br/>
<span class="red_text">The easiest language to learn for non-technical people</span>
</p>
<p class="fragment">
Fast and reliable
</p>
<p class="fragment">
Platform independent
</p>
<p class="fragment">
Bunch of good tools
</p>
<p class="fragment">
Bunch of extensions
</p>
<p class="fragment">
Good (and extensive) documentation
</p>
<p class="fragment">
Big players involved (FB...)
</p>
<p class="fragment">
Open source
</p>
<p class="fragment red_text">
Lets you get things done
</p>
<aside class="notes">
Big players - A lot of software that has changed the world is written in PHP - Wordpress, Drupal,
FB, MediaWiki
</aside>
</section>
</section>
<section>
<section>
<h2>Prejudice</h2>
<pre>
<code>
<html>
<head>
<?php
$db = connect_mysql('192.168.1.1', 'root' , 'secretPassword123' );
$item = get_mysql_data('SELECT * FROM my_table WHERE id= $_GET['id']);
?>
<title><?php echo $item['title'];?></title>
</head>
<body>
<div>
<?php
$users = get_mysql_data('SELECT * FROM users WHERE bla = '.$item[ 'id2'] );
?>
<?php
foreach($users as $user){
?>
<p><?php echo $user[</p>
<?php
}
?>
</div>
</body>
</html>
</code>
</pre>
</section>
<section>
<blockquote>
“All the PHP code I’ve seen in that experience has been messy, unmaintainable crap. Spaghetti SQL wrapped in spaghetti PHP wrapped in spaghetti HTML, replicated in slightly-varying form in dozens of places”
</blockquote>
Tim Bray
</section>
<section>
<pre>
<code>
namespace League\Flysystem;
use LogicException;
use InvalidArgumentException;
class Filesystem implements FilesystemInterface
{
// variable declaration hidden in this example
/**
* Constructor
*
* @param AdapterInterface $adapter
* @param mixed $config
*/
public function __construct(AdapterInterface $adapter, $config = null)
{
$this->adapter = $adapter;
$this->config = Util::ensureConfig($config);
}
/**
* {@inheritdoc}
*/
public function write($path, $contents, array $config = [])
{
$path = Util::normalizePath($path);
$this->assertAbsent($path);
$config = $this->prepareConfig($config);
return (bool) $this->adapter->write($path, $contents, $config);
}
</code>
</pre>
<aside class="notes">
You can write really bad code & applications in PHP
but THEY will still work
But PHP drives many of the most popular websites and it’s usage keeps growing
If we follow a good set of standards and patterns
High-quality PHP apps
Less prone to breaking and safer
Easier to maintain
</aside>
</section>
</section>
<section>
<section>
<h2>Education</h2>
</section>
<section>
<h2>PHP the right way</h2>
<img src="img/php_your_perfect_tool/phptherightway.png" alt="Php the right way" title="Php the right way">
</section>
<section>
<h2>Laracast</h2>
<img src="img/php_your_perfect_tool/laracast.jpg" alt="Laracast" title="Laracast">
</section>
<section>
<h2>Books</h2>
<p>
<a href="http://php-books.com/">http://php-books.com/</a>
</p>
</section>
<section>
<img src="img/php_your_perfect_tool/code-complete-2.jpg" alt="Code complete" title="Code complete">
</section>
<section>
<img src="img/php_your_perfect_tool/clean_code.jpg" alt="Clean code" title="Clean code">
</section>
<section>
<img src="img/php_your_perfect_tool/the_pragmatic_programmer.jpg" alt="Pragmatic programmer" title="Pragmatic programmer">
</section>
<section>
<h2>Conferences</h2>
<img src="img/php_your_perfect_tool/soliday2015.png" alt="Soliday" title="Soliday">
</section>
</section>
<section>
<section>
<h2>PHP FIG</h2>
<p class="fragment">
PHP Framework Interop Group
</p>
<p class="fragment">
<img width="800" height="600" src="img/php_your_perfect_tool/fig_members.png" alt="Fig members" title="Fig members">
</p>
</section>
<section>
<h2>PSR</h2>
<p class="fragment">
Php Standard Recommendation
</p>
<p class="fragment">
PSR-0 - Autoloading standard
</p>
<p class="fragment">
PSR-1 - Basic coding standard
</p>
<p class="fragment">
PSR-2 - Coding style guide
</p>
<p class="fragment">
PSR-3 - Logger interface
</p>
<p class="fragment">
PSR-4 - Improved autoloading
</p>
<p class="fragment">
PSR-5 - PHPDoc
</p>
<p class="fragment">
PSR-6 - Cache interface
</p>
<p class="fragment">
PSR-7 - HTTP message implementation
</p>
</section>
</section>
<section>
<section>
<h2>Composer</h2>
<p>
<img src="img/php_your_perfect_tool/logo-composer-transparent.png" alt="Composer logo" title="Composer logo">
</p>
<p>
Dependency Manager for PHP
</p>
<p>
Created by Jordi Boggiano and Nils Adermann
</p>
<p class="red_text">
Thank you guys!
</p>
</section>
<section>
<p>
<blockquote>
“PHP has a better dependency manager than any other languages”
</blockquote>
Fabien Potencier
</p>
</section>
<section>
<p class="red_text">
curl -sS https://getcomposer.org/installer | php
</p>
<p>
Can be installed globally and locally
</p>
</section>
<section>
<p>
The problem that Composer solves is this:
</p>
<ul>
<li>
You have a project that depends on a number of libraries
</li>
<li>
Some of those libraries depend on other libraries
</li>
<li>
You declare the things you depend on
</li>
<li>
Composer finds out which versions of which packages need to be installed, and installs them (meaning it downloads them into your project)
</li>
</ul>
</section>
<section>
<p>
Declaring dependencies
</p>
<p>
composer.json
</p>
<pre>
<code>
{
"name": "zendframework/skeleton-application",
"description": "Skeleton Application for ZF2",
"license": "BSD-3-Clause",
"keywords": [
"framework",
"zf2"
],
"homepage": "http://framework.zend.com/",
"require": {
"php": ">=5.3.3",
"zendframework/zendframework": "2.2.*",
"aws/aws-sdk-php-zf2": "1.2.1",
"league/flysystem": "0.4.*@dev"
}
}
</code>
</pre>
</section>
<section>
<p>
<img src="img/php_your_perfect_tool/composer_install.png" alt="Composer install" title="Composer install">
</p>
</section>
<section>
<h2>Semantic versioning</h2>
<img src="img/php_your_perfect_tool/semantic_versioning_number.png" alt="Semantic number" title="Semantic number">
<img src="img/php_your_perfect_tool/semantic_versioning_explanation.png" alt="Semantic explanation" title="Semantic explanation">
<p>
more info -
<a href="http://semver.org/">
http://semver.org/
</a>
</p>
</section>
<section>
<h2>Version constraints</h2>
</section>
<section>
<h3>Exact match</h3>
<p class="red_text">
1.0.0, dev-master
</p>
</section>
<section>
<h3>Wildcard range</h3>
<p class="red_text">
1.0.*, 2.*
</p>
</section>
<section>
<h3>Hyphen range</h3>
<p class="red_text">
1.0 - 2.0 === >=1.0.0 < 2.1
</p>
<p class="red_text">
1.0.0 - 2.1.0 === >=1.0.0 <= 2.1.0
</p>
</section>
<section>
<h3>Unbounded range</h3>
<p class="red_text">
>= 1.0
</p>
<p class="fragment red_text">
DO NOT USE THIS
</p>
</section>
<section>
<h3>Next Significant Release</h3>
<p class="red_text">
~1.2 === >=1.2.0 <2.0.0
</p>
<p class="red_text">
~1.2.3 === >=1.2.3 <1.3.0
</p>
</section>
<section>
<h3>Caret / Semver Operator</h3>
<p class="red_text">
^1.2.3 === >=1.2.3 <2.0.0
</p>
<p class="red_text">
^ 0.3 === >=0.3.0 <0.4.0
</p>
<p class="red_text">
Libraries should use ^ and you should too!
</p>
</section>
<section>
<h2>
The Lock File
</h2>
<p class="fragment">
composer.lock
</p>
<p class="fragment">
Provide fast installs with low memory usage
</p>
<p class="fragment">
Reproducible installs
</p>
<p class="fragment">
Do you add it to .gitignore?
</p>
<p class="fragment">
Commit it and use it with composer install
</p>
</section>
<section>
<p class="fragment">
DO NOT DEPLOY IT
</p>
<p class="fragment">
<img src="img/php_your_perfect_tool/public_lock_file.png" alt="Public lock file" title="Public lock file">
</p>
</section>
<section>
<h2>Autoloading</h2>
<p>
You don’t have to maintain your own autoloader
<p>
<p>
Ability to load your code automatically
</p>
<p class="red_text">
include "vendor/autoload.php";
</p>
</section>
<section>
<pre>
<code>
"autoload": {
"psr-0" : {
"Application": "src/"
}
}
</code>
</pre>
</section>
<section>
<pre>
<code>
"autoload": {
"psr-4" : {
"Application\\": "src/"
}
}
</code>
</pre>
</section>
<section>
<pre>
<code>
"autoload": {
"classmap" : [
"src/"
]
}
</code>
</pre>
<aside class="notes">
A classmap is a Composer feature that iterates through a directory and pulls the classes out of the
files in that directory, and adds them to a classmap.
</aside>
</section>
<section>
<pre>
<code>
<?php
// autoload_classmap.php @generated by Composer
$vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);
return array(
'Application\\Controller\\Dashboard' => $baseDir . '/src/Application/Controller/Dashboard.php',
'Application\\Controller\\Defaults' => $baseDir . '/src/Application/Controller/Defaults.php',
'Application\\Controller\\Entry' => $baseDir . '/src/Application/Controller/Entry.php',
'Application\\Controller\\Logbook' => $baseDir . '/src/Application/Controller/Logbook.php',
'Application\\Controller\\RequiresAuth' => $baseDir . '/src/Application/Controller/RequiresAuth.php',
'Application\\Controller\\User' => $baseDir . '/src/Application/Controller/User.php',
'Application\\Model\\LogEntry\\Defaults' => $baseDir . '/src/Application/Model/LogEntry/Defaults.php',
'Application\\Model\\LogEntry\\Gateway' => $baseDir . '/src/Application/Model/LogEntry/Gateway.php',
'Application\\Model\\LogEntry\\HourReports' => $baseDir . '/src/Application/Model/LogEntry/HourReports.php',
'Application\\Model\\LogEntry\\LogEntry' => $baseDir . '/src/Application/Model/LogEntry/LogEntry.php',
'Application\\Model\\LogEntry\\LogEntryCollection' => $baseDir . '/src/Application/Model/LogEntry/LogEntryCollection.php',
'Application\\Model\\LogEntry\\Storage' => $baseDir . '/src/Application/Model/LogEntry/Storage.php',
'Application\\Model\\User\\Gateway' => $baseDir . '/src/Application/Model/User/Gateway.php',
'Application\\Model\\User\\Storage' => $baseDir . '/src/Application/Model/User/Storage.php',
'Application\\Model\\User\\User' => $baseDir . '/src/Application/Model/User/User.php',
/ ...
);
</code>
</pre>
</section>
<section>
<h2>
<img src="img/php_your_perfect_tool/packagist-logo.png" alt="Packagist logo" title="Packagist logo">
</h2>
<pre>
<code>
{
"require": {
"vendor/package": "1.3.2",
"vendor/package2": "1.*",
"vendor/package3": ">=2.0.3"
}
}
</code>
</pre>
</section>
<section>
<h2>
Packagist statistics - may 2014
</h2>
<p>
<ul>
<li>29 908 packages registered</li>
<li>110 247 versions available</li>
<li>207 357 630 packages installed (since 2012-04-13)</li>
</ul>
</p>
</section>
<section>
<h2>
Packagist statistics - april 2015
</h2>
<p>
<ul>
<li>56 164 packages registered</li>
<li>246 789 versions available</li>
<li>687 988 359 packages installed (since 2012-04-13)</li>
</ul>
</p>
</section>
<section>
<p>
<img src="img/php_your_perfect_tool/packagist_graph.png" alt="Packagist graph" title="Packagist graph">
</p>
</section>
<section>
<p>
<a href="https://github.com/ziadoz/awesome-php">
https://github.com/ziadoz/awesome-php
</a>
</p>
</section>
<section>
<img src="img/php_your_perfect_tool/awesome_php.png" alt="Awesome PHP" title="Awesome PHP">
</section>
<section>
<img src="img/php_your_perfect_tool/awesome_php_testing.png" alt="Awesome PHP testing" title="Awesome PHP testing">
</section>
<section>
<h2>Before you choose package</h2>
<p class="fragment">
Check if it is properly tested
</p>
<p class="fragment">
Check documentation (README.md)
</p>
<p class="fragment">
Check Stability <br/>
<span class="red_text">dev -> alpha -> beta -> RC -> stable</span>
</p>
<p class="fragment">
Check number of downloads
</p>
<p class="fragment">
Check when it was last authored
</p>
<p class="fragment">
Check the licence
</p>
</section>
</section>
<section>
<section>
<h2>PHP frameworks</h2>
</section>
<section>
<ul>
<li>
Zend Framework 2
</li>
<li>
Symfony 2
</li>
<li>
Laravel 4, 5
</li>
<li>
Yii 2
</li>
<li>
CakePHP 3
</li>
<li>
Aura
</li>
</ul>
</section>
<section>
<ul>
<li>
PhalconPhp
</li>
<li>
Slim
</li>
<li>
Silex
</li>
<li>
Lumen
</li>
</ul>
</section>
<section>
<img src="img/php_your_perfect_tool/ent_fw_search.png" alt="Ent FW" title="Ent FW">
<img src="img/php_your_perfect_tool/ent_fw_legend.png" alt="Ent FW" title="Ent FW">
</section>
<section>
<h2>
Take care about this
</h2>
<ul>
<li>
What do you want to build?
</li>
<li>
Is good documentation available?
</li>
<li>
Is it worth the investment?
</li>
<li>
Community
</li>
<li>
Comparing with other FW
</li>
<li>
Check the licence
</li>
<li>
Security
</li>
</ul>
<aside class="notes">
1. What do I need from the framework? Whats the primary focus of your application?
<br/>
<br/>
2. Zend FW example. Check official docs, books, tutorials, api documentation.
Even source code documentation. Googling for an issue should result in answers quite easily
<br/>
<br/>
3. Will that FW still be useful a year, two or three from now?
<br/>
<br/>
4. Is the framework actively developed, and does it have an active user base?
Check community size (irc channels, source code contributors/bug reporters/watchers,
stack overflow questions & answers etc).Check repository activity (new/closed pull requests,
number of commits and authors, files and lines of code changes, top contributors activity
<br/>
<br/>
5. Where your FW of choice stands comparing to your choice
<br/>
<br/>
6. Does it allow building an distributing commercial applications?
Always take care about it
</aside>
</section>
<section>
<h2>3 DONT's</h2>
<ul>
<li>
Don't spend countless hours in search of the „best“ framework.
<span class="red_text">There is no such thing!</span>
</li>
<li>
Don't get religious with a language / framework / whatever!
</li>
<li>
Don't decide based on stupid „hello world“ benchmarks.
</li>
</ul>
<aside class="notes">
3. Don't -
Speed matters when projects scale. In any case you'll probably rewrite your app if it's a
huge success
</aside>
</section>
<section>
<h2>Symfony 2</h2>
<blockquote>
“If you have a PHP problem the Symfony community has already solved it”
</blockquote>
</section>
<section>
<img src="img/php_your_perfect_tool/symfony2_activity.png" alt="Symfony activity" title="Symfony activity">
</section>
<section>
<img src="img/php_your_perfect_tool/symfony2_roadmap.png" alt="Symfony roadmap" title="Symfony roadmap">
</section>
<section>
<ul>
<li>
There is bundle for everything
</li>
<li>
Integrates with Doctrine, Propel, PHPUnit ...
</li>
<li>
Aims to speed up the creation and maintenance of web applications
</li>
<li>
Aim at building enterprise-level applications, giving developers full control over the configuration
</li>
</ul>
</section>
<section>
<img src="img/php_your_perfect_tool/symfony2_projects.png" alt="Symfony projects" title="Symfony projects">
</section>
<section>
<h2>Laravel</h2>
<img src="img/php_your_perfect_tool/laravel_logo.png" alt="Laravel logo" title="Laravel logo">
<p class="fragment">
The Swiss-Knife of Startup world
</p>
<p class="fragment">
The Most Popular FW of 2015
</p>
<p class="fragment">
FW with the best marketing
</p>
</section>