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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                拷貝傳值:當一個變量復制另一個變量,改其一,另一個不會發生變化\\ 引用傳值:默認對象和資源是引用傳值,也可以加&變為引用 global關鍵字,只能在函數內部使用,不能一邊聲明全局一邊賦值,實際為引用傳值,其實和全局變量還是有區別的 例如:$name=”xjd”; function show1(){global $name; $name=”marry”; echo “名字是{$name};”} show1(); echo”名字叫{$name}”; function show2(){echo “名字是{$name}”;} //以上代碼結果是 名字是marry 名字是marry 名字是
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