PHP creates directories, deletes folders and finds illegal directories and deletes them_PHP tutorial

PHP tutorial to create directories, delete folders and find illegal directories and delete them
//$pattern = "/file-([0-2]d{3})-([1-9]d ?)/"; This regular expression captures the month and day of the folder and then further judges and processes it

02 for($i =2005;$i<=2009;$i++)

03 {

04 for($j = 1;$j<30;$j++)

05 {

06 $dest_dir = "text/file-" .$i."-$j";

07 if(!is_dir($dest_dir)) mkdir($dest_dir,0777);

08 }

09 }

10 //Create some folders that do not meet the conditions

11

12 for($t = 0;$t<10;$t++)

13 {

14 $dest_dir = "text/file-".$t;

15 if(!is_dir($dest_dir)) mkdir($dest_dir,0777);

16 }

17

18 //Traverse the folder processing.

19 function listFile($dir)

20 {

21 $a = array();

22 $handle = opendir($dir);

23 while($file = readdir($handle))

24 {

25 handle_dir($dir,$file,&$a);

26 }

27

28 echo "the rege_array is ";

29 print("

"); </p>
<p>30 print_r($a); </p>
<p>31 print("

") ;

32 }

33

34 function handle_dir($dir,$file,$a)

35 {

36

37 if($file == "." || $file == "..") return ;

38 $minYear = 2008;

39 $maxDay = 13; >

42 $destPath = $dir."/".$file;

43

44 if(!is_dir($destPath))

45 {

46 //echo "$destPath is not a dir ;";

47 return;

48 }

49

50 //Delete files that do not meet the format

51 if(!preg_match($pattern,$file))

52 {

53 //echo "$fileis not the right rege. the program will unlink -- $destPath --
";

54 // unlink($destPath);

55 return;

56 }

57

58 preg_match_all($pattern,$file,$ matches);

59

60 //echo "$file is the right rege";

61 //print_r ($matchs);

62 //echo "the year is ".$matchs[1][0]." and the day is ".$matchs[2][0]."";

63 if(intval($matchs[1][0]) >$minYear && intval($matchs[2][0]) < $maxDay)

64 {

65 $a[]= $destPath;

66 }else { //Does not meet the conditions

67 //unlink($destPath);

68 

69 } 

70 } 

71 

72 listFile("text");

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truehttp: //www.bkjia.com/PHPjc/444953.htmlTechArticlephp tutorial to create directories, delete folders and find illegal directories and delete them //$pattern = /file- ([0-2]d{3})-([1-9]d?)/; This regular expression captures the month and day of the folder, and then...