🌈 搜索
📅  最后修改于: 2022-03-11 14:53:58.240000             🧑  作者: Mango
$date_input = '2003'; $date_output= date( "Y-m-d", mktime( 0, 0, 0, 1, 1, $date_input )); //date_output = 2003-01-01