/**
* @param $path
* @param string $includeDir
* @param \Less\Environment|null $env
*/
public function __construct($path, $includeDir = '', $env = null)
{
$this->_path = $path;
// The '.less' extension is optional
if ($path instanceof \Less\Node\Quoted) {
$this->path = preg_match('/\\.(le?|c)ss(\\?.*)?$/', $path->value) ? $path->value : $path->value . '.less';
} else {
$this->path = isset($path->value->value) ? $path->value->value : $path->value;
}
$this->css = preg_match('/css(\\?.*)?$/', $this->path);
// Only pre-compile .less files
if (!$this->css) {
$less = $includeDir . '/' . $this->path;
$parser = new \Less\Parser($env);
$this->root = $parser->parseFile($less, true);
}
}
$files[$key] = pathinfo($file, PATHINFO_BASENAME);
if (!file_exists($files[$key])) {
unset($files[$key]);
}
if (pathinfo($file, PATHINFO_EXTENSION) != 'less') {
unset($files[$key]);
}
}
if (count($files)) {
// Check for a cached version of the query string hash
$hash = md5(array_reduce($files, function ($a, $b) {
return $a . $b . filemtime($b);
}));
if (!file_exists($cachePath . $hash)) {
// Parse the selected files
$parser = new \Less\Parser($env);
foreach ($files as $file) {
try {
$parser->parseFile($file);
} catch (\Exception $e) {
// Skip errors for now
}
}
file_put_contents($cachePath . $hash, $parser->getCss());
}
$modTime = filemtime($cachePath . $hash);
// Send 304 header if appropriate
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'], $_SERVER['SERVER_PROTOCOL'])) {
if ($modTime <= strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
header("{$_SERVER['SERVER_PROTOCOL']} 304 Not Modified");
exit;