Insert the element to an array and use numeric keys in PHP

Description

The following code shows how to insert the element to an array and use numeric keys.

Example

//from w w w.  j  a va  2s.  c o m
<?php
    $a=array(0=>"red",1=>"green");
    array_unshift($a,"blue");
    print_r($a);
?>

The code above generates the following result.