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XML File:<?xml version="1.0" encoding="utf-8" ?><Mainzer_Histo_Maps>	<site>		<title>Mainzer Histo Maps</title>	</site>	<pictures>		<relative_dir>histo_bilder/</relative_dir>		<preview_name>PreviewSlide.jpg</preview_name>		<max_x>200</max_x>		<max_y>200</max_y>		<quality>60</quality>		<info_file>info.txt</info_file>		<cache_pictures>yes</cache_pictures>		<cache_dir>picture_cache/</cache_dir>	</pictures></Mainzer_Histo_Maps>PHP File:$config = simplexml_load_file('config.xml');printSlide($slide[$slides[$i]]->getTitle(), $slide[$slides[$i]]->getDescription(), $slide[$slides[$i]]->getColor(), $slide[$slides[$i]]->getDirName());function printSlide($title, $description, $color, $directory){	@@	$picturePath = $GLOBALS["picture_relative_dir"] . $directory . '/' . $config->pictures->preview_name . '&amp;width=' . $GLOBALS["picture_max_x"] . '&amp;height=' . $GLOBALS["picture_max_y"];}