INFO PHP 99

How to Extended class in PHP An extended class is always dependent on a single base class, that is, multiple inheritance is not suppor...

Differences between constants and variables are: There is no need to write a dollar sign ($) before a constant, where as in Variable one has...

Boolean They have only two possible values either true or false. PHP provides a couple of constants especially for use as Booleans: TRUE and...

Running PHP Script from Command Prompt: Yes you can run your PHP script on your command prompt. Assuming you have following content in test....

Variable Scope Scope can be defined as the range of availability a variable has to the program in which it is declared. PHP variables can be...

Basic Syntax Of PHP: "Hello World" Script in PHP: To get a feel for PHP, first start with simple PHP scripts. Since "Hello,...

Interpreting other types as Booleans Here are the rules for determine the "truth" of any value not already of the Boolean type If ...

PHP Constants A constant is a name or an identifier for a simple value. A constant value cannot change during the execution of the script. B...

NULL NULL is a special type that only has one value: NULL. To give a variable the NULL value, simply assign it like this: $my_var = NULL; ...

PHP Environment Setup In order to develop and run PHP Web pages three vital components need to be installed on your computer system. ...