Array in PHP

Types of Array in PHP

An Array is assigned to be a single variable , but can hold dozens of individual piecies of information.

Types of Array

1. Numeric Array

2. Associative Array

3. Multidimensional Array

1.      Numeric Array

In numeric array have to create only elements, id will be automatically assign to the element.

Example:

<?php

            $a = array("a","b","c");

 print_r($a);

?>

Output:

Array([0]=>a [1] => b [2]=> c)

2.      Associative Array

This kind array have id and elements both are created

Example:

<?php

$a = array("1"=>"a","2"=>"b","3"=>"c");

    print_r($a);

?>

Output:

Array([1]=>a [2] => b [3]=> c)

Note : The above out in which [1], [2], [3] are ids

And a,b,c are elements

3.      Multidimensional Array

Multidimensional array means we have to create array within array.

Example

<?php

$a = array("a","b"=>array("x", "y"), "c");

            print_r($a);

?>

Output

Array([0]=>a,  [b]=>Array([0]=>x [1]=>y)[1]=>c)