PHP/Graphics Image/Paint String

Writing a String with imageTTFtext()

<?php
header("Content-type: image/gif");
$image = imagecreate( 400, 200 );
$red = imagecolorallocate($image, 255,0,0);
$blue = imagecolorallocate($image, 0,0,255 );
$font = "ARIALBD.TTF";
imageTTFtext( $image, 50, 0, 20, 100, $blue, $font, "www.wbex.ru" );
imagegif($image);
?>