$fmt_msg = makeTextBlock($msg, $errorfont, 10, $w-86);
$fmtbox = imagettfbbox(12, 0, $errorfont, $fmt_msg);
imagettftext($png, 10, 0, 55, 35+3+imagefontwidth(5)-$fmtbox[7]+$fmtbox[1], $c_txt, $errorfont, $fmt_msg);
$fmt_msg = makeTextBlock($msg, $errorfont, 10, $w-86);
$fmtbox = imagettfbbox(12, 0, $errorfont, $fmt_msg);
imagettftext($png, 10, 0, 55, 35+3+imagefontwidth(5)-$fmtbox[7]+$fmtbox[1], $c_txt, $errorfont, $fmt_msg);