php 獲取當天或某個日期是星期幾

效果：今天是：星期五今天是：禮拜五2010-12-12是：禮拜日

[PHP]代碼

<?php
function getWeekName($data,$format = '星期')
{
    $week   =  date( "D ",$data); 
    switch($week) 
    { 
        case "Mon ": 
            $current   =   $format."一"; 
            break; 
        case "Tue ": 
            $current   =   $format."二"; 
            break; 
        case "Wed ": 
            $current   =   $format."三"; 
            break; 
        case "Thu ": 
            $current   =   $format."四"; 
            break; 
        case "Fri ": 
            $current   =   $format."五"; 
            break; 
        case "Sat ": 
            $current   =   $format."六"; 
            break; 
        case "Sun ": 
            $current   =   $format."日"; 
            break; 
    } 
    return $current;
}

echo '今天是：'.getWeekName(time(),'星期');
echo '<br>';
echo '今天是：'.getWeekName(time(),'禮拜');
echo '<br>';
echo '2010-12-12是：'.getWeekName(strtotime('2010-12-12'),'禮拜');
?>