PHP Switch 語句
switch語句在PHP是用來執行一個幾種不同的基礎上採取的行動之一，幾種不同的條件。
switch語句
如果你想選擇一個許多區塊的代碼將被處決，使用交換器發言。
switch語句是用來避免長期塊，如果.. elseif的..別人的代碼。
文法
switch (expression)
{
case label1:
code to be executed if expression = label1;
break;
case label2:
code to be executed if expression = label2;
break;
default:
code to be executed
if expression is different
from both label1 and label2;
}
例如
這是如何運作：
單一的表達（最常見的一個變數）是評價一次
的價值相比，表達的價值觀為每一個案例中的結構
如果有一場比賽，代碼與該案例的執行
經過代碼執行，打破是用來阻止代碼從運行到下一個案例
預設的聲明是如果沒有使用的情況下是真正的
<html><body>
<?phpswitch ($x){case 1: echo "Number 1"; break;case 2: echo "Number 2"; break;case 3: echo "Number 3"; break;default: echo "No number between 1 and 3";}?>
</body></html>
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