PHP PHP磁盘空间类

Posted 2021-05-14

class Disk {

	public static final function totalSpace($format = FALSE) {
		
		$totalSpace = disk_total_space('/');
		
		return ($format === TRUE) ? self::formatSize($totalSpace) : $totalSpace;
		
	}
	
	public static final function freeSpace($format = FALSE) {
		
		$freeSpace = disk_free_space('/');
		
		return ($format === TRUE) ? self::formatSize($freeSpace) : $freeSpace;
		
	}
	
	public static final function usedSpace($format = FALSE) {
		
		$usedSpace = self::totalSpace() - self::freeSpace();
		
		return ($format === TRUE) ? self::formatSize($usedSpace) : $usedSpace;
		
	}
	
	public static final function formatSize($size = 0){
		
		switch (true){
			
			case ($size > 1099511627776):
				$size /= 1099511627776;
				$suffix = ' TB';
			break;
				
			case ($size > 1073741824):
				$size /= 1073741824;
				$suffix = ' GB';
			break;
				
			case ($size > 1048576):
				$size /= 1048576;
				$suffix = ' MB';   
			break;
				
			case ($size > 1024):
				$size /= 1024;
				$suffix = ' KB';
			break;
				
			default:
				$suffix = ' B';
				
		}
		
		return round($size, 2) . $suffix;
		
	}

}