PHP Arrays : Index , Associative and Multidimensional Arrays

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PHP Arrays: Index , Associative , Multidimensional Arrays- Zhullyblog

What is an array?
An array is a data structure that stores one or more value under a single variable. This means that you can store several data in a single variable.

Let's take for instance storing cars names.
statement.

<?php
$car1= " Rolls royce";
$car2= "Toyota";
$car3= "Benz";
$car4= "Jeep";
?>

Types of Arrays
There are three types of Arrays in PHP. They are :

• Indexed array / Numeric array
• Associative array
• Multidimensional array

• Index Array
An index array stores each element present in it with a numerical index. The index starts with 0. Here is an example.
statement.

<?php
$car1 [0]= " Rolls royce";
$car2 [1]= "Toyota";
$car3 [2]= "Benz";
$car4 [3]= "Jeep";
?>

Associative Array
An Associative array is an array that has its value to be assigned to arbitrary and user defined string.
Here is an example.
statement.

<?php
$car1 ["Bisi"]= " Rolls royce";
$car2 ["John"]= "Toyota";
$car3 ["Linda"]= "Benz";
$car4 ["Josh"]= "Jeep";
?>

Multidimensional Arrays
A Multidimensional array is an array in which each element can be an array and will contain other element in it's subarray.
statement.

<?php
$about = array(
array(
"name" => "Emily";
"age" => "10";),
array (
"name" => "Divine";
"age" => "12";)
);
?>

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