Finding Subdirectories in PHP

Retrieving a list of subdirectories within a specified directory is a common operation in web development. In PHP, you can accomplish this task in several ways.

Option 1: Using glob() with GLOB_ONLYDIR

The glob() function can be employed with the GLOB_ONLYDIR flag to select only directories. This technique ensures that files, the current directory, and the parent directory are excluded from the results:

$subdirectories = glob('directory/*', GLOB_ONLYDIR);
foreach ($subdirectories as $subdirectory) {
    // Process each subdirectory
}

Option 2: Filtering with array_filter

Alternatively, you can use array_filter() to filter the list of directories. However, be mindful that this approach skips directories containing periods within their names (like ".config"):

$entries = scandir('directory');
$directories = array_filter($entries, 'is_dir');
foreach ($directories as $directory) {
    // Process each directory
}

By leveraging either of these methods, you can efficiently obtain all subdirectories of a specified directory in PHP and proceed with further processing or operations within your code.