下部这些代码能不能简写啊

date_default_timezone_set('PRC');

$c1=0;

$c2=0;

$c3=0;

$c4=0;

$c5=0;

$c6=0;

$c7=0;

$w = date("w",time());

switch($w){

	case 1: 

		

		break; 

	case 2:

	    $t1=strtotime(date("Y-m-d")." 23:59:59");//周二

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif(1387420136<=$t2){

			$c2 += 1;

		}

		echo $c1;

		break; 

	case 3:

	    $t1=strtotime(date("Y-m-d")." 23:59:59");//周三

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周二

		$t3=strtotime(date("Y-m-d",strtotime("-2 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif($t3<1387420136&&1387420136<=$t2){

			$c2 += 1;

		}elseif(1387420136<=$t3){

			$c3 += 1;

		}

		echo $c1;		

		break; 

	case 4:

	    $t1=strtotime(date("Y-m-d")." 23:59:59");//周四

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周三

		$t3=strtotime(date("Y-m-d",strtotime("-2 day"))." 23:59:59");//周二

		$t4=strtotime(date("Y-m-d",strtotime("-3 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif($t3<1387420136&&1387420136<=$t2){

			$c2 += 1;

		}elseif($t4<1387420136&&1387420136<=$t3){

			$c3 += 1;

		}elseif(1387420136<=$t4){

			$c4 += 1;

		}

		echo $c1;

		break; 

	case 5:

		$t1=strtotime(date("Y-m-d")." 23:59:59");//周五

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周四

		$t3=strtotime(date("Y-m-d",strtotime("-2 day"))." 23:59:59");//周三

		$t4=strtotime(date("Y-m-d",strtotime("-3 day"))." 23:59:59");//周二

		$t5=strtotime(date("Y-m-d",strtotime("-4 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif($t3<1387420136&&1387420136<=$t2){

			$c2 += 1;

		}elseif($t4<1387420136&&1387420136<=$t3){

			$c3 += 1;

		}elseif($t5<1387420136&&1387420136<=$t4){

			$c4 += 1;

		}elseif(1387420136<=$t5){

			$c5 += 1;

		}

		echo $c1;

		break; 

	case 6:

		$t1=strtotime(date("Y-m-d")." 23:59:59");//周六

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周五

		$t3=strtotime(date("Y-m-d",strtotime("-2 day"))." 23:59:59");//周四

		$t4=strtotime(date("Y-m-d",strtotime("-3 day"))." 23:59:59");//周三

		$t5=strtotime(date("Y-m-d",strtotime("-4 day"))." 23:59:59");//周二

		$t6=strtotime(date("Y-m-d",strtotime("-5 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif($t3<1387420136&&1387420136<=$t2){

			$c2 += 1;

		}elseif($t4<1387420136&&1387420136<=$t3){

			$c3 += 1;

		}elseif($t5<1387420136&&1387420136<=$t4){

			$c4 += 1;

		}elseif($t6<1387420136&&1387420136<=$t5){

			$c5 += 1;

		}elseif(1387420136<=$t6){

			$c6 += 1;

		}

		echo $c1;

		break; 

	case 7:

	    $t1=strtotime(date("Y-m-d")." 23:59:59");//周日

		$t2=strtotime(date("Y-m-d",strtotime("-1 day"))." 23:59:59");//周六

		$t3=strtotime(date("Y-m-d",strtotime("-2 day"))." 23:59:59");//周五

		$t4=strtotime(date("Y-m-d",strtotime("-3 day"))." 23:59:59");//周四

		$t5=strtotime(date("Y-m-d",strtotime("-4 day"))." 23:59:59");//周三

		$t6=strtotime(date("Y-m-d",strtotime("-5 day"))." 23:59:59");//周二

		$t7=strtotime(date("Y-m-d",strtotime("-6 day"))." 23:59:59");//周一

		if($t2<1387420136&&1387420136<=$t1){

			$c1 += 1;

		}elseif($t3<1387420136&&1387420136<=$t2){

			$c2 += 1;

		}elseif($t4<1387420136&&1387420136<=$t3){

			$c3 += 1;

		}elseif($t5<1387420136&&1387420136<=$t4){

			$c4 += 1;

		}elseif($t6<1387420136&&1387420136<=$t5){

			$c5 += 1;

		}elseif($t7<1387420136&&1387420136<=$t6){

			$c6 += 1;

		}elseif(1387420136<=$t7){

			$c7 += 1;

		}

		echo $c1;

		break;

	default:;			    

}

?>