A data type in PHP tells the system what kind of value a variable is holding. PHP can automatically figure out the type of data when you assign a value to a variable. For example, PHP will know if you’re using a number or a string of text based on the value. Example: In this … Read more
What is a PHP Variable? A PHP variable is a container used to store data that can be of different types, such as strings, integers, arrays, and more. In PHP, variables are denoted by a dollar sign ($) followed by the variable name. Here’s a simple example: PHP variables are case-sensitive, so $var and $VAR … Read more
Type Casting refers to converting a given value or variable from one type to another. This is useful when you need to manipulate data types in your program. Boolean Type Casting To convert a value into a boolean, prepend the value with (bool) or (boolean). Even if you don’t prepend, PHP will treat the value … Read more
PHP Data Types A data type specifies the type of data a variable can hold. It helps identify what kind of value is stored in a variable or what type of value it will hold in the future. Key Points PHP Primitive Data Types PHP supports 10 primitive data types, divided into scalar, compound, and … Read more
PHP Keywords In PHP, keywords are predefined words that have specific meanings and purposes within the language. You cannot use these keywords as variable names, constants, class names, traits, namespaces, etc., because it can create conflicts between your defined names and the actual PHP keywords, leading to errors. Example of Using a PHP Keyword Incorrectly … Read more
Comments in PHP Comments are lines of code in a program that do not get executed. They help developers understand what each step in the program does, making it easier to work on the code in the future. Comments can be single-line or multi-line. Types of Comments in PHP Output: Output: Why Should We Use … Read more
Printing Values in PHP: echo() vs print() In PHP, you can print values using the echo() function. You can use parentheses with echo, but they are optional. Example 1: Using echo File: test.php Output: In the example above, you can see that values can be printed with or without parentheses using echo. Additionally, PHP provides … Read more
PHP File and Syntax Overview A PHP file can contain HTML, JavaScript, jQuery, and PHP code, allowing you to create dynamic web pages. The syntax of PHP is easy, and you can start your PHP code with <?php and end it with ?>. Since PHP scripts run on the server, they output plain HTML text, … Read more
How to Run PHP Programs on XAMPP Follow these steps to write and run PHP programs using XAMPP. Step 1: Write and Save the Program Step 2: Open XAMPP Control Panel Step 3: Open Your Browser Step 4: Locate and Run the PHP File Output When you run the above example, you will see the … Read more
PHP Installation Tutorial To install PHP, you can download the application from the official PHP website based on your system and OS. However, the easiest way to set up PHP is by installing an AMP (Apache, MySQL, PHP) stack. There are different options for different operating systems: Step-by-Step Guide to Install XAMPP Now, you can … Read more