/**
* @param $type
* @param $content
* @param $options
*
* @return string
* @throws Exception
*/
protected static function _minify($type, $content, $options)
{
self::_prepare();
if (!($tmpFile = tempnam(self::$tempDir, 'yuic_'))) {
throw new Exception('Minify_YUICompressor : could not create temp file.');
}
file_put_contents($tmpFile, $content);
self::$yuiCommand = self::_getCmd($options, $type, $tmpFile);
$result_code = 0;
$output = array();
exec(self::$yuiCommand, $output, $result_code);
unlink($tmpFile);
if ((int) $result_code !== 0) {
throw new Exception('Minify_YUICompressor : YUI compressor execution failed.');
}
return implode("\n", $output);
}