'parent' = 1),
array('id' = 4, 'title' = 'T恤', 'parent' = 1),
array('id' = 5, 'title' = '运动鞋...', 'parent' = 2),
array('id' = 6, 'title' = '休闲鞋', 'parent' = 2),
);
$data2 = array(
array('...genTree($data2);
getOpts($data2, array(), $opt2);
echo '<select ';
echo $opt2;
echo '</select ';
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