PHP recursively obtains files in a directory (including subdirectories) encapsulation class sharing_PHP tutorial

The code is as follows:

Copy code The code is as follows:

function readFileFromDir($dir) {
if (!is_dir($dir) ) {
            return false; ) {
                                                                                                                                                                             >        $file = $dir . DIRECTORY_SEPARATOR . $file;
                                                                                                                                                                                         $file />';
} elseif (is_dir($file)) {
          readFileFromDir($file);
Calling method:




Copy code

The code is as follows:


$dir = '/home/www/test';
readFileFromDir($ dir);

If you look at the PHP manual, there is another method scandir that can also be used, but this method will get all the files in a single-level directory at once and store them in an array. If there are many files in the directory, it will get stuck.

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The code is as follows: Copy the code as follows: function readFileFromDir($dir) { if (!is_dir($dir)) { return false; } //Open directory $handle = opendir($dir); while (($file = readdir($ha...