ImageGIF problem!!!

Anon

Hello,

I have write some code to test run the ImageGIF function. However, I got the following error on screen (see Appendix A). I also attach the PHP code (see Appendix 😎.

Thanks,
Ray

(APPENDIX A)
Warning: Cannot add header information - headers already sent by (output started at /home2/webizon/public_html/graphic.php:2) in /home2/webizon/public_html/graphic.php on line 3
GIF87aôK€ÿTg ,ôKû„©Ëí£œ´Ú‹³Þ¼û†âH¡Væ‰¦êÊ¶î ÇòL ¡K 😐1¢Ä‰+ž!P;

(APPENDIX B - PHP CODE>
<?
Header("Content-Type: image/gif");
$im = ImageCreate(500, 75);
$red = ImageColorAllocate($im, 255, 0, 0);
ImageFill($im, 100, 100, $red);
ImageGIF($im);
?>

Anon

It works now!!!

In my previous PHP file, I have a blank line before my code. Now I remove the blank line (i.e. PHP Code <? at line1 ) and its work now!!!

Thanks,
Raymond