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PHP gets image details (width, height, format, size)

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2016-07-25 08:44:301325browse
  1. function getImageInfo($img) //$img为图像文件绝对路径
  2. {
  3. $img_info = getimagesize($img);
  4. switch ($img_info[2]) {
  5. case 1:
  6. $imgtype = "GIF";
  7. break;
  8. case 2:
  9. $imgtype = "JPG";
  10. break;
  11. case 3:
  12. $imgtype = "PNG";
  13. break;
  14. }
  15. $img_type = $imgtype . "图像";
  16. $img_size = ceil(filesize($img) / 1000) . "k"; //获取文件大小
  17. $new_img_info = array(
  18. "width" => $img_info[0],
  19. "height" => $img_info[1],
  20. "type" => $img_type,
  21. "size" => $img_size
  22. );
  23. print " width";
  24. print $img_info[0];
  25. print " height";
  26. print $img_info[1];
  27. print " format";
  28. print $img_type;
  29. print " size";
  30. print $img_size;
  31. print $new_img_info;
  32. }
  33. $img = "/www/htdocs/images/jf.gif";
  34. getImageInfo($img);
  35. ?>
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