php通过imagick库把PDF转成PNG格式

1. function pdf2png($PDF,$Path){
2. if(!extension_loaded('imagick')){
3. return false;
4. }
5. if(!file_exists($PDF)){
6. return false;
7. }
8. $IM = new imagick();
9. $IM->setResolution(120,120);
10. $IM->setCompressionQuality(100);
11. $IM->readImage($PDF);
12. foreach ($IM as $Key => $Var){
13. $Var->setImageFormat('png');
14. $Filename = $Path.'/'.md5($Key.time()).'.png';
15. if($Var->writeImage($Filename) == true){
16. $Return[] = $Filename;
17. }
18. }
19. return $Return;
20. }

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转成, imagick, php