echo $num."abc";

(int)$str
(float)$str
(string)$str

define("HOST","localhost");

";
		}
	}
		
	?>//1 2

";
		}
	}
		
	?>//1 2 4 5 6 7 8 9

echo date("w");
date 中w表示星期几

				{$score}";
			}while($score>=60);
		?>

";
		    }
	?>

";
	for($i=1;$i<=$days;){
		echo "";
		for($j=0;$j<7;$j++){
			if($i>$days){
				echo " ";
			} else{
			echo "{$i}";
			}
				$i++;
		}
		echo "";
		
	}
	
	echo "";
?>

";
	for($i=1;$i<=$days;){
		
		$k++;
		
		if($k%2==1){
			echo "";
		}else{
			echo "";
		}
		
		for($j=0;$j<7;$j++){
			if($i>$days){
				echo " ";
			} else{
			echo "{$i}";
			}
				$i++;
		}
		echo "";
		
	}
	
	echo "";
?>
	中止脚本
	
		2.exit();中止脚本使用
	    3.die();
			    ";
		 die("从这儿开始脚本中止");
		 echo "2222222";
		?>