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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
                # PHP diskfreespace() 函數 ## 定義和用法 diskfreespace() 函數返回目錄中的可用空間。該函數是 [disk_free_space()](/php/func_filesystem_disk_free_space.asp "PHP disk_free_space() 函數") 函數的別名。 ### 語法 ``` diskfreespace(directory) ``` | 參數 | 描述 | | --- | --- | | directory | 必需。規定要檢查的目錄。 | ### 說明 _directory_ 參數是一個目錄的字符串。該函數將根據相應的文件系統或磁盤分區返回可用的字節數。 ## 例子 ``` <?php echo diskfreespace("C:"); ?> ``` 輸出: ``` 209693288558 ```
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