$a = mktime( 10,32,45,08,13,2002 );
$b = mktime( 18,22,12,08,13,2002 );
$c = round( ( ($b - $a) / 3600 ) *100 ) / 100;
$b = mktime( 18,22,12,08,13,2002 );
$c = round( ( ($b - $a) / 3600 ) *100 ) / 100;
调试欢乐多
$b = mktime( 18,22,12,08,13,2002 );
$c = ($b - $a) / 3600;
$e = sprintf("%0.2f",$c);