Posted by youngord on 09/30/07 03:41

<?php
$mix=array(
array("A",10),
array("B",5),
array("C",100)
);
function com($x,$y){
echo $x[0];
}

usort($mix,'com');

?>

i think the $x[0] result is A,
but the final $x[0] result is BC.
why???

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