[PHP_Day 3]_基本語法part3_單行條件判斷(三元運算子)_switch case


單行條件判斷(三元運算子)_switch case


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<?php

 $res = true;
 // Before
 if($res)
  echo "真<br/>";
 else
  echo "假<br/>";
 // After
 $str = ($res == true) ? "真<br/>" : "假<br/>";
 echo $str;

 $result = 8;
 // Before
 if($result == 1)
  echo "1<br/>";
 else if($result ==2)
  echo "2<br/>";
 else if($result ==3)
  echo "3<br/>";
 else
  echo "else<br/>";
 // After
 
 switch($result){
  case 1:
   echo "case.1<br/>";
   echo "1<br/>";
   break;
  case 2:
   echo "case.2<br/>";
   break;
  case 3:
   echo "case.3<br/>";
   break;
  default:
   echo "default<br/>";
   break;
 }
 
 $strCase = "紅豆";
 switch($strCase){
  case "紅豆":
   echo "case.紅豆<br/>";
   break;
  case 2:
   echo "case.2<br/>";
   break;
  case "綠豆":
   echo "case.綠豆<br/>";
   break;
  default:
   echo "default<br/>";
   break;
 }
 
 
?>




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