Given a PHP array "$array" and a seek position "$pos", this sets the internal array pointer to $pos in only 52 chars

52char_array_seek.php

<?php
// the array
$array = array('foot', 'bike', 'my'=>'car', 'plane', 'roller');
// seek position
$pos="my";
// seek array pointer, behaves end($array) if $pos is no array key
for($a=&$array,reset($a);key($a)!==$pos&&each($a););
// should print "car"
echo ">".current($array)."<\n";