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Compound Types

There are 2 compound data types in PHP.

  1. Array
  2. Object

Array:

The array is a collection of heterogeneous (dissimilar) data types. PHP is a loosely typed language that?s why we can store any type of values in arrays.

Normal variable can store single value, array can store multiple values.

The array contains a number of elements, and each element is a combination of element key and element value.

SYNTAX OF ARRAY DECLARATION:

Example 1

PHP Compound Types

Example 2

PHP Compound Types

Example 3

PHP Compound Types

Object:

An object is a data type which accumulates data and information on how to process that data. An object is a specific instance of a class which delivers as templates for objects.

SYNTAX:

At first, we must declare a class of object. A class is a structure which consists of properties and methods. Classes are specified with the class keyword. We specify the data type in the object class, and then we use the data type in instances of that class.

Example 1

PHP Compound Types

Example 2

PHP Compound Types

Example 3

PHP Compound Types
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