A GD Effect

This is a user submitted example of a ggraphical effect created using GD, quite a nice example of what you can do with PHP and GD

<?php
$img_disp = imagecreate(1000,1000);
$backcolor = imagecolorallocate($img_disp,0,0,0);
imagefill($img_disp,0,0,$backcolor);
$textcolor = imagecolorallocate($img_disp,255,0,0);
$x1 = 0;
$y1 = 0;
$x2 = 0;
$y2 = 1000;
for(;;){
$y1 = $y1 + 20;
$x2 = $x2 + 20;
imageline($img_disp,$x1,$y1,$x2,$y2,$textcolor);
if ($y1 == 1000){
break;
}
}
header(“Content-type: image/png”);
imagepng($img_disp); // Draw the image
imagedestroy($img_disp); // Delete the image from the server’s memory
?>

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