LHC大神问的矩阵转置问题

<?php

$array=array(
    ‘部门1‘=>array(‘费用1‘=>100,‘费用2‘=>200,‘费用3‘=>300),
    ‘部门2‘=>array(‘费用1‘=>90,‘费用2‘=>100,‘费用3‘=>90),
    ‘部门3‘=>array(‘费用1‘=>60,‘费用2‘=>60,‘费用3‘=>60),
    ‘部门4‘=>array(‘费用1‘=>60,‘费用2‘=>60,‘费用3‘=>60),
);

function handle_column_array($array)
{
    $original_array=$array;
    $result=array();
    $first=array_shift($array);
    $keys=array_keys($first);
    foreach ($original_array as $k=>$v)
    {
        foreach ($keys as $val)
        {
            $result[$val][$k]=$v[$val];
        }
    }
    return $result;
}
$columns=array_keys($array);
array_unshift($columns,‘费用类型‘);
$table=handle_column_array($array);

echo "<table border=‘1‘>";
echo "<tr><td>".implode("</td><td>",$columns)."</td></tr>";
foreach ($table as $key => $value)
{
    array_unshift($value,$key);
    echo "<tr><td>".implode("</td><td>",$value)."</td></tr>";
}
echo "</table>";

exit();