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Function to traverse all files and subfolders in a folder

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Release： 2016-07-25 09:02:30
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The legend is a written test question for Sina PHP Engineer
  1. function my_dir($dir){
  2. $files=array();
  3. if(@$handle=opendir($dir)){//Note that you need to add an @ here, otherwise there will be warning error message:)
  4. while(($file=readdir($handle))!==false){
  5. if($file!=".." && $file!="."){//Exclude the root directory ;
  6. if(is_dir($dir."/".$file)){//If it is a subfolder, perform recursion
  7. $files[$file]=my_dir($dir."/".$file);
  8. }else{//Otherwise, store the file name in the array;
  9. $files[]=$file;
  10. }
  12. }
  13. }
  14. closedir($handle);
  15. return $files;
  16. }
  17. }
  18. / /The following is the test
  19. $q_array=my_dir('E:/115');
  20. print_r($q_array);
  21. ?>
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遍历一个文件夹下所有文件和子文件夹的函数
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