php将字符串转化成date存入数据库的两种方式

$date = "2011-12-12"; $year=((int)substr($date,0,4));//取得年份 $month=((int)substr($date,5,2));//取得月份 $day=((int)substr($date,8,2));//取得几号 $_date = date("M-d-Y",mktime(0,0,0,$month,$day,$year));