PHP information

 PHP 

What is PHP?

PHP is a server-side scripting language created primarily for web development but it is also used as a general-purpose programming language. Unlike client-side languages like JavaScript, which are executed on the user’s browser, PHP scripts run on the server. The results are then sent to the client’s web browser as plain HTML.



History of PHP

PHP was introduced by Rasmus Lerdorf in 1994, the first version and participated in the later versions. It is an interpreted language and it does not require a compiler. The language quickly evolved and was given the name “PHP,” which initially named was “Personal Home Page.”

Characteristics of PHP

  • PHP code is executed in the server.
  • It can be integrated with many databases such as Oracle, Microsoft SQL Server, MySQL, PostgreSQL, Sybase, and Informix.
  • It is powerful to hold a content management system like WordPress and can be used to control user access.
  • It supports main protocols like HTTP Basic, HTTP Digest, IMAP, FTP, and others.
  • Websites like www.facebook.com and www.yahoo.com are also built on PHP.
  • One of the main reasons behind this is that PHP can be easily embedded in HTML files and HTML codes can also be written in a PHP file.
  • The thing that differentiates PHP from the client-side language like HTML is, that PHP codes are executed on the server whereas HTML codes are directly rendered on the browser. PHP codes are first executed on the server and then the result is returned to the browser.
  • The only information that the client or browser knows is the result returned after executing the PHP script on the server and not the actual PHP codes present in the PHP file. Also, PHP files can support other client-side scripting languages like CSS and JavaScript.

Comments

Post a Comment

Popular posts from this blog

Artificial intelligence

Image
Artificial intelligence Artificial intelligence (AI) is the simulation of human intelligence processes by machines, particularly computer systems. It encompasses various capabilities, including learning, reasoning, and self-correction, enabling machines to perform tasks typically associated with intelligent beings.  Types of Artificial Intelligence Reactive Machines : These are the most basic forms of AI that operate solely based on preprogrammed rules. They do not have memory and cannot learn from past experiences. An example is IBM’s Deep Blue, which famously defeated chess champion Garry Kasparov. Limited Memory : This type of AI can learn from historical data and improve its performance over time. Most modern AI systems fall into this category, utilizing machine learning techniques, particularly deep learning, to enhance their capabilities. Theory of Mind : This is a theoretical concept that refers to AI systems that can understand human emotions, beliefs, and tho...
Read more

Digital Marketing

Image
Digital Marketing Digital marketing refers to advertising delivered through digital channels such as search engines, websites, social media, email, and mobile apps. Using these online media channels, digital marketing is the method by which companies endorse goods, services, and brands. Digital marketing encompasses all marketing efforts that use an electronic device or the internet. Businesses leverage digital channels such as search engines, social media, email, and other websites to connect with current and prospective customers. Digital Media Types Video: ◦ Many digital media outlets are visual, from streaming movie and television services such as Netflix to virtual reality surgical simulators used in medical institutions. One of the biggest players in visual digital media is YouTube, which hosts billions of videos. Social media: ◦ Social media includes sites such as Twitter, Facebook, Instagram, LinkedIn, and Snapchat, which enable their users to interact with o...
Read more