[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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | <?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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