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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
                要進行一個類操作時,需要先將該類加載進來,例如`include`,`require`等。 如果要執行的類很多,則需要大量`include`操作,會導致重復加載,管理苦難等一系列問題。 在 PHP 5 中,不用這樣做了,可以使用`spl_autoload_register()`函數來注冊任意數量的自動加載器。 ~~~php <?php spl_autoload_register(function ($class_name) { include $class_name . '.php'; }); new A(); new B(); ~~~ 本例嘗試分別從 A.php 和 B.php 文件中加載 A 和 B 類,相當于 ~~~php <?php include 'A.php'; include 'B.php'; new A(); new B(); ~~~
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