public static function YAMLSave($array, $path, $keep = 10)
{
$yml = Spyc::YAMLDump($array);
// get the highest number for the current backup
$files = glob($path . ".*");
$max = Spyc::max_filenumber($files);
$max = $max + 1;
// increment the current version
foreach (array_reverse($files) as $file) {
$num = Spyc::get_number_from_filename($file);
$newfile = substr_replace($file, $num + 1, strlen($path) + 1);
rename($file, $newfile);
}
// copy the current file to a new backup
if (file_exists($path)) {
copy($path, $path . ".1");
}
// remove the older backups
$files = glob($path . ".*");
foreach ($files as $file) {
$num = Spyc::get_number_from_filename($file);
if ($num > $keep) {
unlink($file);
}
}
// save the file
file_put_contents($path, $yml);
}