/**
* Show an error message to the user and log the error if needed.
* Current 404 errors are not logged. This function ends execution.
* @param $errNum int the HTTP error code to return, typically 404 for missing page or 500.
* @param $info string (optional) with the message to log, not displayed in production.
*/
public static function showError($errNum, $info = null)
{
Language::load('Errors');
ob_get_clean();
$defError = Language::tr('500_default_error');
switch ($errNum) {
case 404:
Error::error404();
die;
break;
case 500:
default:
break;
}
if ($info != null) {
Logger::error('[' . $errNum . '] ' . strip_tags($info));
}
$data['title'] = Language::tr('500_title');
$data['error'] = $info != null ? Config::SITE_ENVIRONMENT() == 'development' ? $defError . '<br/>' . $info : $defError : $defError;
View::addHeader("HTTP/1.0 500 Internal Server Error");
View::renderTemplate('header', $data);
View::render('error/500', $data);
View::renderTemplate('footer', $data);
die;
}
/**
* saves error message from exception
* @param numeric $number error number
* @param string $message the error
* @param string $file file originated from
* @param numeric $line line number
*/
public static function errorHandler($number, $message, $file, $line)
{
if (Config::SITE_ENVIRONMENT() == 'development') {
Error::showError(500, '(' . $number . ') ' . $file . ':' . $line . ' => ' . $message);
die;
}
$msg = "{$message} in {$file} on line {$line}";
if (self::$logger != null) {
self::error($number . $msg);
} else {
if ($number !== E_NOTICE && $number < 2048) {
self::errorMessage($msg);
self::customErrorMsg();
}
}
return 0;
}
/**
* Output optimized stylesheet.
* This function will combine multiple stylesheets into a single sheet.
* It will also perform some basic optimizations to reduce download size.
* @param $files - array of files to include
* @param $outputdir - where to store generated file(s), default is typically adequate.
*/
public static function combine_css($files, $outputdir = 'static/generated/')
{
if (\HMC\Config::SITE_ENVIRONMENT() == 'development') {
Assets::css($files);
return;
}
$ofiles = is_array($files) ? $files : array($files);
$hashFileName = md5(join($ofiles));
$dirty = false;
if (file_exists($outputdir . $hashFileName . '.css')) {
$hfntime = filemtime($outputdir . $hashFileName . '.css');
foreach ($ofiles as $vfile) {
$file = str_replace(\HMC\Config::SITE_URL(), \HMC\Config::SITE_PATH(), $vfile);
if (!$dirty) {
$fmtime = filemtime($file);
if ($fmtime > $hfntime) {
$dirty = true;
}
}
}
} else {
$dirty = true;
}
if ($dirty) {
$buffer = "";
foreach ($ofiles as $vfile) {
$cssFile = str_replace(\HMC\Config::SITE_URL(), \HMC\Config::SITE_PATH(), $vfile);
$buffer .= "\n" . file_get_contents($cssFile);
}
// Remove comments
$buffer = preg_replace('!/\\*[^*]*\\*+([^/][^*]*\\*+)*/!', '', $buffer);
// Remove space after colons
$buffer = str_replace(': ', ':', $buffer);
// Remove whitespace
$buffer = str_replace(array("\r\n", "\r", "\n", "\t", ' ', ' ', ' '), '', $buffer);
ob_start();
// Write everything out
echo $buffer;
$fc = ob_get_clean();
file_put_contents(\HMC\Config::SITE_PATH() . $outputdir . $hashFileName . '.css', $fc);
}
static::resource(str_replace(':||', '://', str_replace('//', '/', str_replace('://', ':||', \HMC\Config::SITE_URL() . $outputdir . $hashFileName . '.css'))), 'css');
}