How does PHP get a list of directories? How PHP recursively traverses files in a directory

PHP How to get directory list, PHP recursively traverse the file in the specified directory method, in PHP programming using the directory function Opendir and Readdir, and combined with PHP recursive function to implement directory and file traversal operation. I. How PHP gets a list of directories PHP Get directory list : Copy Codecode example: '." \ n "; }} closedir ($handle); }}}?> Second, PHP recursive traversal of the specified directory files and statistics of the number of files method PHP recursively iterates through the files of the specified directory and counts the number of files : Example: Copy Codecode example: "; Read the current catalog file echo readdir ($dir). " "; Read the parent directory file while ($filename =readdir ($dir)) {//To determine if the path under $dirname is a directory $newfile = $dirname. " /". $filename; The Is_dir () function determines whether the path of the current script is the directory if (Is_dir ($newfile)) {//the directory or file under its subdirectories is iterated through the recursive function ($newfile, $dirnum, $filenum); dirnum++; }else{$filenum + +;}} Closedir ($dir);} $dirnum =0; $filenum = 0; Total ("E:/appserv/www/phpmyadmin", $dirnum, $filenum); echo "Number of catalogs:". $dirnum. " "; echo" Total Files: ". $filenum." ";//traverse the specified file directory and the number of files ends?>

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