public function write(Collection $items)
{
$path = $this->_getPath();
$this->items = $items;
//if (defined('JSON_PRETTY_PRINT')) { //PHP >= 5.4
// $json = json_encode($items->convertToArray(), JSON_PRETTY_PRINT); //JSON_PRETTY_PRINT: for debugging issues
//} else {
$json = json_encode($items->convertToArray());
//}
if ($json === false) {
throw new \RuntimeException('Cannot encode data to JSON');
}
$parentPath = dirname($path);
if (!is_dir($parentPath)) {
mkdir($parentPath, 0777, true);
chmod($parentPath, 0777);
}
$alreadyExists = file_exists($path);
$result = file_put_contents($path, $json);
if ($result === false) {
throw new \RuntimeException('Cannot open data file "' . $this->index . '" ("' . $path . '" : error while writing)');
}
if (!$alreadyExists) {
chmod($path, 0777);
}
}
