1. <?php
  2. // A simple algorithm that tries to create an image with random colors for each pixel.
  3. // By Joe Hall (http://joehall.me/)
  4. // This program is free software: you can redistribute it and/or modify
  5. // it under the terms of the GNU General Public License as published by
  6. // the Free Software Foundation, either version 3 of the License, or
  7. // (at your option) any later version.
  8. //
  9. // This program is distributed in the hope that it will be useful,
  10. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. // GNU General Public License for more details.
  13. //
  14. // You should have received a copy of the GNU General Public License
  15. // along with this program. If not, see <http://www.gnu.org/licenses/>.
  16. set_time_limit(30000);
  17. $x = 500;
  18. $y = 500;
  19. $gd = imagecreatetruecolor($x, $y);
  20. for ($i = 0; $i < 500; $i++) {
  21. for ($b = 0; $b < 500; $b++) {
  22. for ($a = 0; $a < 500; $a++) {
  23. imagesetpixel($gd, round($b),round($a), imagecolorallocate($gd, rand(0, 255), rand(0, 255), rand(0, 255)));
  24. }
  25. }
  26. }
  27. header('Content-Type: image/png');
  28. imagepng($gd);
  29. ?>
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