print asociative array php

<?php 
/* 
There are 3 Types of array in php  
1. Indexed arrays - Arrays with a numeric index
2. Associative arrays - Arrays with named keys
3. Multidimensional arrays - Arrays containing one or more arrays

This is the second one - Associative arrays
*/

$age = array("Samy"=>"35", "Naveen"=>"37", "Amit"=>"43");
echo "Mr.Samy is " . $age['Peter'] . " years old.";

?>

//This is the declaration of an associative array.
$animals["firstindex"]="ape";
$animals["secondindex"]="dinosaur";
$animals["thirdindex"]="ahahah";
for(reset($animals);$element=key($animals);next($animals))
{print("$element is $animals[$element]");
}

//Can also be created by using an array function
$fourth=array("January"=>"first","February"=>"second","March"=>"third","April"=>"fourth");
foreach($fourth as $element=>$value)
print("$element is the $value month");