Page 172 - CITS - Computer Software Application -TT

COMPUTER SOFTWARE APPLICATION - CITS

• Boolean
• Array
• Object

• NULL
• Resource
Getting the Data Type
You can get the data type of any object by using the var_dump() function.
Example

The var_dump() function returns the data type and the value:
PHP String
A string is a sequence of characters, like “Hello world!”.

A string can be any text inside quotes. You can use single or double quotes:
PHP Integer
An integer data type is a non-decimal number between -2,147,483,648 and 2,147,483,647.

Rules for integers:
• An integer must have at least one digit
• An integer must not have a decimal point
• An integer can be either positive or negative

• Integers can be specified in: decimal (base 10), hexadecimal (base 16), octal (base 8), or binary (base 2)
notation

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CITS : IT&ITES - Computer Software Application - Lesson 47 - 62