<?php
$sampleArray = array('Doctrine', 'ORM', 1, 2, 3);


$sampleArray = array(1, 2, 3, 
                     $a, $b, $c,                     
                     56.44, $d, 500);


$sampleArray = array('first'  => 'firstValue',
                     'second' => 'secondValue');