<?php

//An associative array with employee names as keys and their ages as values

$employee_age = array(

    "Rachel" => 22,

    "Edward" => 23,

    "Simon"  => 24,

    "Anna"   => 25,

    "Mike"   => 26

);

//Output : 22

echo $employee_age["Rachel"];

//Output : 24

echo $employee_age["Simon"];

?>