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There are some kind of arrays:

• Numeric array – An array with a numeric ID key
• Associative array – An array where each ID key is associated with a value

Numeric Arrays

A numeric array stores each element with a numeric ID key.

There are different ways to create a numeric array.

Example 1

In this example the ID key is automatically assigned:

$first_name = array(“Peter”,”John”,”Tony”);

Example 2

In this example we assign the ID key manually:

$first_name[0] = “Peter”;
$first_name[1] = “John”;
$first_name[2] = “Tony”;

Example that used in Php

<?php
$first_name[0] = “Peter”;
$first_name[1] = “John”;
$first_name[2] = “Tony”;

echo “$first_name[1] and $first_name[2] are $first_name[0]‘s friends”;
?>

And the output is

John and Tony are Peter’s friends

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