readdir函數

PHP readdir()函數 (PHP readdir() function)

The full form of readdir is "Read Directory", the function readdir() is used to read the directory i.e. read the name of the next entry in the directory.

readdir的完整形式為“ Read Directory” ， 函數readdir()用于讀取目錄，即讀取目錄中下一個條目的名稱。

Syntax:

句法：

readdir(dir_handle);

Parameter(s):

參數：

• dir_handle – it is an optional parameter which is used to specify the directory handle resource if we do not specify the directory handle resource – it assumes the last link opened with opendir() function.

  dir_handle –是一個可選參數，如果我們未指定目錄句柄資源，則用于指定目錄句柄資源–假定使用opendir()函數打開的最后一個鏈接。

Return value:

返回值：

If the function execution is success – it returns the filename if the function execution is failed – it returns "FALSE".

如果函數執行成功–如果函數執行失敗，則返回文件名–返回“ FALSE”。

Example: PHP code to open a directory, read its files, and close it

示例：PHP代碼打開目錄，讀取其文件，然后關閉它

<?php$path = "/home";//checking whether $path is a directory or not //then, opening the directory and reading its files if (is_dir($path)){if ($dh = readdir($path)){while (($file = readdir($dh)) !== false){echo "File:" . $file . "<br/>";}//closing the directoryreaddir($dh);} } ?>

Output

輸出量

File:.. File:main.php File:.

Reference: PHP readdir() function

參考： PHP readdir()函數

翻譯自: https://www.includehelp.com/php/readdir-function-with-example.aspx

readdir函數

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