<!DOCTYPE html>
<html>
<body>
<?php
function myfunction($value,$key)
{
echo "¼ü $key µÄÖµÊÇ $value ¡£<br>";
}
$a1=array("a"=>"red","b"=>"green");
$a2=array($a1,"1"=>"blue","2"=>"yellow");
array_walk_recursive($a2,"myfunction");
?>
</body>
</html>