PHP比较两个日期相差多少年多少月多少日
//$x = diffDate('2018-12-29','2019-01-29'); //var_dump($x); function diffDate($date1,$date2){ if(strtotime($date1)>strtotime($date2)){ $tmp=$date2; $date2=$date1; $date1=$tmp; } list($Y1,$m1,$d1)=explode('-',$date1); list($Y2,$m2,$d2)=explode('-',$date2); $Y=$Y2-$Y1; $m=$m2-$m1; $d=$d2-$d1; if($d<0){ $d+=(int)date('t',strtotime("-1 month $date2")); $m--; } if($m<0){ $m+=12; $Y--; } return array('year'=>$Y,'month'=>$m,'day'=>$d); }