$string1 = "text 1";
$string2 = "text 2";
$textbox = imagettfbbox(14, 0, $font, $string);
$textbox[4];
$textbox[5];
imagettftext($canvas, 13, 0, 20, 117, $black, $font, $string1);
imagettftext($canvas, 13, 0, $textbox[4], $textbox[5], $black, $font, $string1);
There is my code. Text 2 is meant...