// Retrieve EXIF info from jpg
function getexif($image,$format,$info) {
	$date='';
	$comment='';
	if (file_exists($image) && extension_loaded('exif')) {
		$extension=strtolower(substr($image,strrpos($image,'.')+1,strlen($image)));
		if ($extension=='jpg' || $extension=='jpeg') {
			$exif=@exif_read_data($image,0,true);
			foreach($exif as $key=>$section) {
				foreach($section as $name=>$val) {
					if ($name=='DateTimeOriginal') {$date=$val;}
					if ($name=='DateTime') {$date=$val;}
					if ($name=='UserComment') {$comment.=$val . ' ';}
				}
			}
		}
		if ($date!='' && $date!="0000:00:00 00:00:00") {
			$date=preg_replace("/(\d{4}):(\d{2}):(\d{2}) (\d{2}):(\d{2}):(\d{2})/",'\1-\2-\3 \4:\5:\6',$date);
			$date=strtotime($date);
			if ($date===-1) {$date=@filemtime($image);}
		} else {
			$date=@filemtime($image);	
		}
	} else if (file_exists($image)) {
		$date=@filemtime($image);
	}
	if ($format!='unix') {$date=date($format,$date);}
	if ($info=='date')
		return($date);
	else
		return(trim($comment));
}
?>