Graphics Php

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/* Image Information such as size and mime types can be returned with the getimagesize() function... here are a few useful examples */
$size = getimagesize ("img/flag.jpg");
echo "";
?>
$size = getimagesize ($filename);
$fp=fopen($filename, "rb");
if ($size && $fp) {
header("Content-type: {$size['mime']}");
fpassthru($fp);
exit;
} else {
// error
}
?>
/* APP Info (embedded text information) */
$size = getimagesize ("testimg.jpg",&$info);
if (isset ($info["APP13"])) {
$iptc = iptcparse ($info["APP13"]);
var_dump ($iptc);
}
?>