PHP

Powerful and Flexible Programming Language

PHP is one of the most popular and reliable server-side programming languages in the web development world. It is an ideal solution for developing dynamic websites, e-commerce platforms and web applications.

Web Development E-commerce CMS Systems API Development

History of PHP

PHP's development journey from Rasmus Lerdorf to the present day

1994 - Beginning

Rasmus Lerdorf began developing PHP. Inspired by languages like Perl, he aimed to create a simpler and more readable language.

1995 - First Version

PHP 1.0 was released. Basic features such as variables, functions, and control structures were added.

1997 - PHP 3.0

PHP 3.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2000 - PHP 4.0

PHP 4.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2004 - PHP 5.0

PHP 5.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2008 - PHP 6.0

PHP 6.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2012 - PHP 7.0

PHP 7.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2015 - PHP 7.1

PHP 7.1 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2016 - PHP 7.2

PHP 7.2 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2017 - PHP 7.3

PHP 7.3 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2018 - PHP 7.4

PHP 7.4 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2019 - PHP 7.4.1

PHP 7.4.1 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2020 - PHP 7.4.11

PHP 7.4.11 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2021 - PHP 7.4.13

PHP 7.4.13 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

2022 - PHP 8.0

PHP 8.0 was released with major changes. Backward compatibility was broken, but the language became more consistent.

2023 - PHP 8.2

PHP 8.2 was released with minor changes. Backward compatibility was broken, but the language became more consistent.

Basic Features

The basic features and capabilities that make PHP powerful

Easy Syntax

PHP's easy and understandable syntax allows beginners to learn quickly.

<?php
  echo "Merhaba Dünya!";
?>

Database Support

MySQL, PostgreSQL, SQLite and other databases are supported.

$pdo = new PDO('mysql:host=localhost;dbname=test', 'username', 'password');

Platform Independence

Works seamlessly on Windows, Linux, macOS and other operating systems.

if (PHP_OS_FAMILY === 'Windows') {
  echo "Windows sistemi";
}

Open Source

Completely free and open source, developed with a large community support.

composer install package-name

High Performance

PHP 8.x with JIT compiler and optimized performance.

function fibonacci(int $n): int {
  return $n < 2 ? $n : fibonacci($n-1) + fibonacci($n-2);
}

Wide Ecosystem

Composer provides access to thousands of ready-made packages and libraries.

require_once 'vendor/autoload.php';
use Guzzle\Http\Client;

Popular Frameworks

Powerful frameworks that accelerate PHP development

Laravel

Web Framework

The most popular PHP framework. It offers fast development with elegant syntax and powerful features.

Eloquent ORM Artisan CLI Blade Template Engine

Route::get('/users', function () {
  return User::all();
});

Symfony

Enterprise Framework

Designed for enterprise applications, modular and reusable components.

Reusable Components Doctrine ORM Twig Template Engine

use Symfony\Component\HttpFoundation\Response;
return new Response('Hello World');

CodeIgniter

Lightweight Framework

Lightweight and simple framework. It offers a fast learning curve with a small footprint.

Small Footprint Simple Configuration MVC Architecture

class Welcome extends CI_Controller {
  public function index() {
    echo 'Hello World!';
  }
}

CakePHP

Rapid Development

Convention over Configuration principle provides fast development.

Rapid Development Built-in ORM Code Generation

$this->loadModel('Articles');
$articles = $this->Articles->find('all');

Yii Framework

High Performance

Designed for high-performance, secure and efficient web applications.

High Performance Security Features Caching Support

use yii\web\Controller;
class SiteController extends Controller {
  public function actionIndex() {
    return $this->render('index');
  }
}

Zend Framework

Enterprise Ready

Designed for enterprise applications, modular and flexible structure.

Enterprise Ready Modular Structure Industry Standards

use Zend\Mvc\Controller\AbstractActionController;
class IndexController extends AbstractActionController {
}

Project Examples

PHP projects at different difficulty levels

Blog System

Beginner

Basic blog application with CRUD operations, user management and content editor.

PHP MySQL Bootstrap

E-commerce Platform

Medium

E-commerce site with product management, shopping cart system, payment integration and admin panel.

Laravel MySQL Stripe API

REST API Service

Advanced

Professional REST API with JWT authentication, rate limiting and API documentation.

Slim Framework JWT Swagger

Content Management System

Medium

Advanced CMS platform with modular structure, theme system and plugin support.

Symfony Doctrine Twig

Social Media Platform

Advanced

Platform with real-time messaging, file sharing and social interaction features.

Laravel WebSocket Redis

Task Management System

Medium

Management application with team collaboration, project tracking and reporting features.

CodeIgniter Chart.js AJAX

Career Opportunities

Career paths and opportunities opened by PHP

Web Developer

Developing dynamic websites and web applications using PHP.

• PHP, HTML, CSS, JavaScript

• MySQL and databases

• Web servers

Backend Developer

Developing server-side of web applications and designing APIs.

• Laravel, Symfony, CodeIgniter

• RESTful API design

• Database management

CMS Developer

Developing and customizing content management systems like WordPress, Drupal, and Joomla.

• WordPress, Drupal, Joomla

• Theme and plugin development

• Custom CMS solutions

E-commerce Developer

Building online stores and e-commerce platforms using PHP frameworks.

• WooCommerce, Magento, PrestaShop

• Payment gateway integration

• Shopping cart systems