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php function scope

php function scope

PHP 是一種較為鬆散的語言( Loosely Typed Language )，當我們宣告一個變數時，不須指定變數的型別( type )，PHP ... 只能在宣告的 function 中使用 (local scope) 不同的 function 中可宣告相同名稱的區域變數 在宣告變數 function 結束時，區域變數也就消滅了 ...

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