PHP – Strings   A string in PHP is a simple character concatenation like “Hello world!”, “Lorem Ipsum…” etc. We already learned about how to set a string in PHP using double and single quotes, nowdoc and heredoc syntax. Strings are one of the most used types of data. The simplest way to assign string values is …

PHP – Data types   PHP like most other programming languages supports various data types. It is very important to understand that variable cand act in a distinct way depending on the type of data they contain. Here are all data types that PHP is using: String – Simple text surrounded by commas Integer – …

PHP – Echo content   PHP has basically two ways of sending content to the browser and those are echo and print. The difference is that print returns a value of 1 when execute while echo doesn’t return anything. Another difference is that em>print accepts only one argument while echo accepts a list of arguments (as many as you …

PHP – Constants   A constant is a type of variable that cannot be changed. A constant cannot be undefined and once his value has been set, it can not change his value along the script. Constants are usually found in configuration files containing information such as database user and password, database name, site URL …

PHP – Variables   PHP variables are just a name for a value and you can simply use it like this $var_name = value;. They usually store sting characters and numeric values for later use in the programming block. Here is a simple example: PHP Code: <?php $a = “Welcome”; $b = “Hello”; $first = “John”; …

Introduction to PHP – Syntax   So let’s start creating our first PHP file. The extension for PHP files is .php. You can create a .txt file and just rename it to extension to index.php for example. The name index.php is typically rendered automatically by accessing you domain name. PHP Code: <?php echo “<h1>My first PHP page!</h1>”; ?> This will …

Introduction to PHP – Installation   To start using PHP you need a web server running PHP and MySQL. Although MySQL is not a must for using PHP, mixing this two you can achieve great things. You can easily find a hosting provider that supports PHP and MySQL. Since PHP coming for free, your hosting provider …

Introduction to PHP – Learn PHP   Introduction to PHP – learn from examples As of php.net definition says, PHP is a recursive name for PHP: Hypertext Preprocessor and it is an open-source scripting language project. PHP is widely used by new and advanced programmers as it has really advanced features under the hood. Here is our …