- serialize: documentation ( source)
<?php
$a = array(
8 => array(80,390),
10 => array(80,200),
9 => array(160,180),
2 => array(230,230),
1 => array(360,250),
65 => array(370,510),
7 => array(160,600),
15 => array(170,490),
);
echo serialize($a);
?>