该first_tuesday()函数应返回一年中第一个星期二的日期,但特别是在 2011 年的情况下,它返回一个错误的值。如何修复代码使其适用于所有情况
function first_tuesday($year){
$first_january = mktime(0,0,0,1,1,$year);
$day_week = date("w",$first_january );
$first_tuesday = $first_jan + ((2 - $day_week) % 7)* 86400;
return date("d/m/Y",$first_tuesday);
}
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