Php thumbnails generation function code _ PHP Tutorial-php Tutorial

Php generates the thumbnail function code .? Php *** generate image thumbnails ** @ paramstring $ src source image address * @ paramstring $ savePath thumbnail save address * @ paraminteger $ width thumbnail width * @ paraminteger $ height shrink

2. /**
3. * Generating image thumbnails
4. *
5. * @ Param string $ src source image address
6. * @ Param string $ savePath the thumbnail storage address
7. * @ Param integer $ width thumbnail width
8. * @ Param integer $ height the Thumbnail height
9. * @ Return string thumbnail address
10. */
11. Function buildThumb ($ src, $ savePath, $ width = 220, $ height = 180)
12. {
13. $ Arr = getimagesize ($ src );
15. If (! Is_array ($ arr )){
16. Return false;
17. }
19. // 1, 2, and 3 are gif, jpg, and png, respectively.
20. If ($ arr [2]> 4 ){
21. Return false;
22. }
24. $ Func = imagecreatefrom;
25. Switch ($ arr [2]) {
26. Case 1: $ func. = gif; break;
27. Case 2: $ func. = jpeg; break;
28. Case 3: $ func. = png; break;
29. Default: $ func. = jpeg;
30. }
32. $ SrcIm = $ func ($ src );
33. $ Im = imagecreatetruecolor ($ width, $ height );
34. Imagecopyresized ($ im, $ srcIm, 0, 0, 0, 0, $ width, $ height, $ arr [0], $ arr [1]);
35. Imagejpeg ($ im, $ savePath );
36. Imagedestroy ($ srcIm );
37. Imagedestroy ($ im );
38. Return true;
39. }
40. ?>

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