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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
                ## 資源(resource) 資源是由專門的函數來建立和使用的,例如打開文件、數據連接、圖形畫布。我們可以對資源進行操作(創建、使用和釋放)。 任何資源,在不需要的時候應該被及時釋放。如果我們忘記了釋放資源,系統自動啟用垃圾回收機制,在頁面執行完畢后回收資源,以避免內存被消耗殆盡。 ``` <?php // 讀取文件內容 $filename = "/home/root/something.txt"; $handle = fopen($filename, "r"); $contents = fread($handle, filesize($filename)); fclose($handle); ?> ```
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                              哎呀哎呀视频在线观看