Home >Backend Development >PHP Tutorial >PHP recursively obtains files in a directory, including subdirectories
Encapsulated into a method, the code is as follows:
Php code
function readFileFromDir($dir) { if (!is_dir($dir)) { return false; } //打开目录 $handle = opendir($dir); while (($file = readdir($handle)) !== false) { //排除掉当前目录和上一个目录 if ($file == "." || $file == "..") { continue; } $file = $dir . DIRECTORY_SEPARATOR . $file; //如果是文件就打印出来,否则递归调用 if (is_file($file)) { print $file . '<br />'; } elseif (is_dir($file)) { readFileFromDir($file); } } }
Calling method:
Php code
$dir = '/home/www/test';
readFileFromDir($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.