hidden_seller_field

<?php 
	$seller_name = "website";
	$text_field_name = "text12";
	if ( is_user_logged_in() ) {
		global $current_user;
		get_currentuserinfo();
		$roles = $current_user->roles;
		if (in_array("seller", $roles)) {
			$seller_name = "$current_user->user_login";
		}
	}
	$html .= "<input type=\"hidden\" value=\"$seller_name\" name=\"$text_field_name\"/>";
?>