PHP Course 2

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Programming-Variable-icon
Predefined Variables
PHP - Regular Expressions
Regular Expressions
PHP - Error & Exception Handling
Error Handling
Bugs Debugging
Bugs Debugging
PHP - Date & Time
Date & Time
PHP & MySQL
MySQL
PHP & AJAX
AJAX
PHP & XML
XML
Object Oriented Programming in PHP
Object Oriented
PHP For C Developers
C Developers
PHP For PERL Developers
PERL Developers

Advanced PHP

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The PHP Hypertext Preprocessor (PHP) is a programming language that allows web developers to create dynamic content that interacts with databases. PHP is basically used for developing web based software applications. This tutorial helps you to build your base with PHP.

PHP Introduction

PHP code is executed on the server.


What You Should Already Know

Before you continue you should have a basic understanding of the following:

  • HTML
  • CSS
  • JavaScript

If you want to study these subjects first, find the tutorials on our Home page.


What is PHP?

  • PHP is an acronym for “PHP: Hypertext Preprocessor”
  • PHP is a widely-used, open source scripting language
  • PHP scripts are executed on the server
  • PHP is free to download and use

What is a PHP File?

  • PHP files can contain text, HTML, CSS, JavaScript, and PHP code
  • PHP code is executed on the server, and the result is returned to the browser as plain HTML
  • PHP files have extension “.php

What Can PHP Do?

  • PHP can generate dynamic page content
  • PHP can create, open, read, write, delete, and close files on the server
  • PHP can collect form data
  • PHP can send and receive cookies
  • PHP can add, delete, modify data in your database
  • PHP can be used to control user-access
  • PHP can encrypt data

With PHP you are not limited to output HTML. You can output images, PDF files, and even Flash movies. You can also output any text, such as XHTML and XML.


Why PHP?

  • PHP runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.)
  • PHP is compatible with almost all servers used today (Apache, IIS, etc.)
  • PHP supports a wide range of databases
  • PHP is free. Download it from the official PHP resource: www.php.net
  • PHP is easy to learn and runs efficiently on the server side

What’s new in PHP 7

  • PHP 7 is much faster than the previous popular stable release (PHP 5.6)
  • PHP 7 has improved Error Handling
  • PHP 7 supports stricter Type Declarations for function arguments
  • PHP 7 supports new operators (like the spaceship operator: <=> )