for($i=1;$i<=$entry_amt;$i++) {
	echo "	RESULT #$i\n";
	echo "		Published: " . $xml->entry[$i-1]->published . "\n";
	echo "		Updated: " . $xml->entry[$i-1]->updated . "\n";
	echo "		Title: " . $xml->entry[$i-1]->media_group->media_title . "\n";
	echo "		Description: " . $xml->entry[$i-1]->media_group->media_description . "\n";
	echo "		Author: " . $xml->entry[$i-1]->author->name . " (" . $xml->entry[$i-1]->author->uri . ")\n";
	echo "		Keywords: " . $xml->entry[$i-1]->media_group->media_keywords . "\n";
	echo "		Duration(sec): " . $xml->entry[$i-1]->media_group->yt_duration['seconds'] . "\n";
	// Right here I want it to check every value in$xml->entry[$i-1]->media_group->media_content like this:
	if($xml->entry[$i-1]->media_group->media_content[$n]['yt_format'] == '3') {blah}
}