PHP Basics – Part 8 :: Control Structures – Part 4

File-Inclusion Statements Efficient programmers are always thinking in terms of ensuring reusability and modularity. The most prevalent...

PHP Basics – Part 8 :: Control Structures - Part 2

Looping Statements Although varied approaches exist, looping statements are a fixture in every widespread programming language. Loopi...

PHP Basics - Part 6 :: Expressions–Part 3

  Equality Operators Equality operators (see Table below) , as the name suggest, are used to compare two values, testing for equivale...

PHP Basics - Part 6 :: Expressions – Part 2

Assignment Operators The assignment operators assign a data value to a variable . The simplest form of assignment operator just assign...

PHP Basics - Part 6 :: Expressions – Part 1

All expressions consist of at least one operand and one or more operators. A few examples follow: $a = 5; // assign integer value 5 to...

PHP Basics - Part 5 :: Constants

A constant is a value that cannot be modified throughout the execution of a program. Constants are particularly useful when working with ...

PHP Basics - Part 5 :: Variables Part 5 ::: Super Globals 2

Retrieving Information Stored Within Cookies The $_COOKIE superglobal stores information passed into the script through HTTP cookies. ...

PHP Basics - Part 5 :: Variable Part 4 ::: Super Globals 1

PHP’s Superglobal Variables PHP offers a number of useful predefined variables that are accessible from anywhere within the executing sc...

PHP Basics - Part 5 :: Variables Part 3 :: Scope 2

Function Parameters In PHP, as in many other programming languages, any function that accepts arguments must declare those arguments in ...

PHP Basics - Part 5 :: Variables Part 2 :: Scope 1

Variable Scope However you declare your variables (by value or by reference), you can declare them anywhere in a PHP script. The locat...

PHP Basics - Part 5 :: Variables Part 1 :: Declaration

Identifiers Identifier is a general term applied to variables, functions, and various other user-defined objects. There are several p...

PHP Basics - Part 4 :: continued

Converting Between Data Types Using Type Casting Converting values from one datatype to another is known as type casting. A variable ...

PHP Basics - Part 4 :: PHP’s Supported Data Types

A datatype is the generic name assigned to any data sharing a common set of characteristics. Common data types include Boolean, integer...

PHP Basics - Part 3 :: Outputting Data to the Browser

Of course, even the simplest of dynamic web sites will output data to the browser, and PHP offers several methods for doing so. Note...