function dump($var, $echo = true, $label = null, $strict = true) {
	$label = ($label === null) ? '' : rtrim($label) . ' ';
	if (!$strict) {
		if (ini_get('html_errors')) {
			$output = print_r($var, true);
			$output = "<pre>" . $label . htmlspecialchars($output, ENT_QUOTES) . "</pre>";
		} else {
			$output = $label . " : " . print_r($var, true);
		}
	} else {
		ob_start();
		var_dump($var);
		$output = ob_get_clean();
		if (!extension_loaded('xdebug')) {
			$output = preg_replace("/\]\=\>\n(\s+)/m", "] => ", $output);
			$output = '<pre>' . $label . htmlspecialchars($output, ENT_QUOTES) . '</pre>';
		}
	}
	if ($echo) {
		echo ($output);
		return null;
	} else {
		return $output;
	}
}