PHP Tutorials - PHP Data Types

In this PHP Tutorial you will learn about PHP Data Types viz. Numeric values, String values, Boolean values, Arrays, Objects and NULL.

Numeric values:

There are two numeric values in PHP, they are:

1. integer: Integer numbers dont have floating point, for example, 5, 12, 1567

2. real: or floating point numbers, real number has a floating point, for example, 2.3

There are three ways to represent the numeric values:

1. base 10 numbers: They are represented using digits from 1 to 9, with an optional (.) for floating point if the value is real.

2. base 8 numbers: They are represented by preceding the number by zero 0, and it only permits the digits from 0 to 7, example 023, which is the same as 19

3. base 16 numbers: They are represented by preceding zero and x 0x, and it permits the digits from 0 9 and characters from A to F, for example, 0x3f, which is the same as 63

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