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PHP online compression zip function code

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Release： 2016-07-25 08:54:44
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  2. /* PHP创建zip压缩包 */
  3. function create_zip($files = array(),$destination = '',$overwrite = false) {
  4. //if the zip file already exists and overwrite is false, return false
  5. if(file_exists($destination) && !$overwrite) { return false; }
  6. //vars
  7. $valid_files = array();
  8. //if files were passed in...
  9. if(is_array($files)) {
  10. //cycle through each file
  11. foreach($files as $file) {
  12. //make sure the file exists
  13. if(file_exists($file)) {
  14. $valid_files[] = $file;
  15. }
  16. }
  17. }
  18. //if we have good files...
  19. if(count($valid_files)) {
  20. //create the archive
  21. $zip = new ZipArchive();
  22. if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
  23. return false;
  24. }
  25. //add the files
  26. foreach($valid_files as $file) {
  27. $zip->addFile($file,$file);
  28. }
  29. //debug
  30. //echo 'The zip archive contains ',$zip->numFiles,' files with a status of ',$zip->status;
  31. //close the zip -- done!
  32. $zip->close();
  33. //check to make sure the file exists
  34. return file_exists($destination);
  35. }
  36. else
  37. {
  38. return false;
  39. }
  40. }
  41. /***** Applications ***/
  42. $files=array('1.php', 'mail.php', 'readme.txt');
  43. create_zip($files, 'myzipfile.zip', true);
  44. ?>
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PHP在线压缩zip的函数代码
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