Gets the size of a directory.

A helper function that is used primarily to check whether a blog has exceeded its allowed upload space.

$directory string Required

Full path of a directory.

$max_execution_time int Optional

Maximum time to run before giving up. In seconds.
The timeout is global and is measured from the moment WordPress started to load.

Default: null

int|false|null Size in bytes if a valid directory. False if not. Null if timeout.

File: wp-includes/functions.php. View all references

function get_dirsize( $directory, $max_execution_time = null ) {

	// Exclude individual site directories from the total when checking the main site of a network,
	// as they are subdirectories and should not be counted.
	if ( is_multisite() && is_main_site() ) {
		$size = recurse_dirsize( $directory, $directory . '/sites', $max_execution_time );
	} else {
		$size = recurse_dirsize( $directory, null, $max_execution_time );
	}

	return $size;
}