PHP is an interpreted, scripting programming language, most often used for creating web server-side applications. Most websites have application written in PHP, including stores, social networks, staff management systems, etc. The biggest and most popular CMSs (Content Management System) have been written in PHP, i.e. content management systems such as Wordpress, Joomla or Drupal, as well many shop systems like PrestaShop, Magento etc.. Thanks to frameworks such as Laravel, Symfony, Zend or Cake, you can build a large scalable server application in a faster and more organised way. The alternative to this language is Python, Ruby, Node.js, C# and Java. PHP also achieves great results in server-side application performance. PHP is used by almost 80% of the Internet, through such portals as: Yahoo, Wikipedia, Facebook (currently uses a modified version of PHP - Hack), Etsy, Tumblr, Mailchimp, Flickr and many more.

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