php The readdir function is used to read entries from a directory handle. Its syntax is "readdir(dir_handle)". If successful, it returns the entry name, and if it fails, it returns FALSE.
#php How to use the readdir function?
php readdir() function syntax
Function: Return the file name of the next file in the directory.
Syntax:
readdir(dir_handle)
Parameters:
dir_handle Optional. Specifies a directory handle resource previously opened by opendir(). If this parameter is not specified, the last link opened by opendir() is used.
Description:
If successful, return the entry name (file name), otherwise return FALSE.
php readdir() function usage example
<?php $dir = "/phpstudy/WWW/20180414/"; // 打开目录,然后读取其内容 if ($dh = opendir($dir)){ while (($file = readdir($dh)) !== false) { echo "filename:" . $file . "<br>"; } } ?>
This article is an introduction to the PHP readdir function. I hope it will be helpful to friends in need!
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