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Summary of basic file and directory operations commonly used in PHP_PHP Tutorial. Basic file operations

The basic operations of files include: file judgment, directory judgment, file size, read-write judgment, existence judgment and file time, etc.

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial:

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: header("content-type","text/html;charset=utf-8");

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Declare a function, pass in the file name to get the file attributes

5: *@param string $fileName file name

6: */

7: function getFilePro($fileName)

8: {

9: if(!file_exists($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo 'The file does not exist
'
;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: return;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*Is it an ordinary file*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: if(is_file($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: echo $fileName.' is a file
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: /*Is it a directory*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: if(is_dir($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo $fileName.' is a directory';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*Output file type*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: echo 'The file type is: '.getFileType($fileName).'
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: /*File size, conversion unit*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: echo 'The file size is:'.getFileSize(filesize($fileName)).'
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: /*Whether the file is readable*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: if(is_readable($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo 'File readable
'
;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*Whether the file is writable*/

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: if(is_writable($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: echo 'File can be written
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: /*Whether the file is executable*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: if(is_executable($fileName))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo 'File executable
'
;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo 'File creation time:'.date('Y year m month j day',filectime( $fileName)).'
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: echo 'The last modification time of the file:'.date('Y year m month j day',filemtime ($fileName)).'
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: echo 'The last time the file was opened:'.date('Y year m month j day',fileatime ($fileName)).'
'
;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: /*

50: *Declare a function that returns the file type

5Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $fileName file name

5Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: */

5Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: function getFileType($fileName)

5Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

55: $type = '';

56: switch(filetype($fileName))

57: {

58: case 'file':$type .= 'Ordinary file';break ;

59: case 'dir':$type .= 'Directory file';break ;

60: case 'block':$type .= 'block device file';break;

6Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: case 'char':$type .= 'Character device file';break;

6Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: case 'filo':$type .= 'pipe file';break ;

6Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: case 'link':$type .= 'Symbolic link';break ;

6Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: case 'unknown':$type .= 'Unknown file';break ;

65: default:

66: }

67: return $type;

68: }

69:

70: /*

7Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Declare a function that returns the file size

7Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param int $bytes Number of bytes in the file

7Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: */

7Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: function getFileSize($bytes)

75: {

76: if($bytes >= pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0))

77: {

78: $return = round($bytes / pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial),Summary of basic file and directory operations commonly used in PHP_PHP Tutorial);

79: $suffix = 'TB';

80: }

8Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: else if($bytes >= pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0))

8Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

8Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: $return = round($bytes / pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial),Summary of basic file and directory operations commonly used in PHP_PHP Tutorial);

8Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: $suffix = 'GB';

85: }

86: else if($bytes >= pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0))

87: {

88: $return = round($bytes / pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial),Summary of basic file and directory operations commonly used in PHP_PHP Tutorial);

89: $suffix = 'MB';

90: }

9Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: else if($bytes >= pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0))

9Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

9Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: $return = round($bytes / pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial),Summary of basic file and directory operations commonly used in PHP_PHP Tutorial);

9Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: $suffix = 'KB';

95: }

96: else

97: {

98: $return = $bytes;

99: $suffix = 'B';

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial00: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: return $return." ".$suffix;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP Tutorial:

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*Call the function and pass in the test.txt file in the test directory*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial05: getFilePro('./test/div.html');

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial06: ?>

Result:

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial. Directory operations

Directory operations include: directory traversal, deletion, copy, size statistics, etc.

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial. Traverse the directory

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Traverse directory

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $dirName directory name

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: */

5: function findDir($dirName)

6: {

7: $num = 0; /*Count the number of sub-files*/

8: $dir_handle = opendir($dirName); /*Open directory*/

9: /*Output directory file*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

.$dirName.' ;';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: while($file = readdir($dir_handle))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: $dirFile = $dirName.'/'.$file;

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: $bgcolor = $num %Summary of basic file and directory operations commonly used in PHP_PHP Tutorial==0?'#ffffff':'#cccccc';

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

' ;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

' ;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo '

';

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: echo "

Fileof basic file and directory operations commonly used in PHP_PHP Tutorial> under directory '
File name File size File type Modification time
'.$file.' '.filesize($dirFile).' '.filetype($dirFile).' '.date('Y/n/t',filemtime($ dirFile)).'
";

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: closedir($dir_handle); /*Close directory*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: echo "There are ".$dirName." directory ;".$num.'Subfile';

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: /*Pass the test directory under the current directory*/

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: findDir('./test');

Results

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial. Statistical directory size

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Statistics directory size

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $dirName directory name

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@return double

5: */

   6:

   7: function dirSize($dirName)

   8: {

   9:     $dir_size = 0;

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:     if($dir_handle = @opendir($dirName))

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:     {

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:         while ($fileName = readdir($dir_handle))

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:         {

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:              /*排除两个特殊目录*/

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5:             if($fileName != '.' && $fileName != '..')

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:             {

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7:                 $subFile = $dirName.'/'.$fileName;

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:                 if(is_file($subFile))

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9:                 {

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:                     $dir_size = filesize($subFile);

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 }

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 if(is_dir($subFile))

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 {

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                     $dir_size = dirSize($subFile);

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5:                 }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:             }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7:         }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:         closedir($dir_handle);

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9:         return $dir_size;

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:     }

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*传递当前目录下的test目录*/

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: $dir_size = dirSize('./test');

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo './test目录文件大小是:'.round($dir_size / pow(Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial,Summary of basic file and directory operations commonly used in PHP_PHP Tutorial),Summary of basic file and directory operations commonly used in PHP_PHP Tutorial).'KB';

结果

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial、删除目录

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Delete directory

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $dirName directory name

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: */

5: function delDir($dirName)

6: {

7: /*The mkdir function in php can create a directory*/

8: if(file_exists($dirName))

9: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: if($dir_handle = @opendir($dirName))

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:   while ($fileName = readdir($dir_handle))

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                                                                                  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5:

 

if($fileName != '.' && $fileName != '..') Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:

                                                

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: $subFile = $dirName.

'/'

.$fileName; Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:                                                                       

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9:                                                      Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:                                                                                            

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

                                                                           Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

                                                 

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: delDir($subFile);

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:

                                                                                                            

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: closedir($dir_handle);

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: rmdir($dirName);

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:      return $dirName.'The directory has been deleted';

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*Pass a copy of the test directory testSummary of basic file and directory operations commonly used in PHP_PHP Tutorial*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: echo delDir('./testSummary of basic file and directory operations commonly used in PHP_PHP Tutorial');

Prompt message for successful deletion

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial. Copy directory

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: /*

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *Copy directory

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $dirSrc original directory name

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial: *@param string $dirTo target directory name

5: */

6: function copyDir($dirSrc,$dirTo)

7: {

8: if(is_file($dirTo))

9: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: echo 'The target directory cannot be created';/*The target is not one*/

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: return;

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: }

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: if(!file_exists($dirTo))

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5: /*Create the directory if it does not exist*/

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6: mkdir($dirTo);

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7: }

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8: if($dir_handle = @opendir($dirSrc))

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9: {

Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: while ($fileName = readdir($dir_handle))

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: {

Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                                                                              Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

 

if($fileName != '.' && $fileName != '..') Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:

{

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5:                 $subSrcFile = $dirSrc.'/'.$fileName;

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:                 $subToFile = $dirTo.'/'.$fileName;

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7:                 if(is_file($subSrcFile))

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:                 {

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9:                     copy($subSrcFile,$subToFile);

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0:                 }

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 if(is_dir($subSrcFile))

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 {

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                     copyDir($subSrcFile,$subToFile);

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial:                 }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial5:             }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial6:         }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial7:         closedir($dir_handle);

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial8:         return $dirSrc.'目录已经复制到'.$dirTo.'目录';

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial9:     }

  Summary of basic file and directory operations commonly used in PHP_PHP Tutorial0: }

  Summary of basic file and directory operations commonly used in PHP_PHP TutorialSummary of basic file and directory operations commonly used in PHP_PHP Tutorial: echo copyDir('./test','../testcopy');

 



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php怎么除以100保留两位小数php怎么除以100保留两位小数Apr 22, 2022 pm 06:23 PM

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

php怎么根据年月日判断是一年的第几天php怎么根据年月日判断是一年的第几天Apr 22, 2022 pm 05:02 PM

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

php怎么替换nbsp空格符php怎么替换nbsp空格符Apr 24, 2022 pm 02:55 PM

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\&nbsp\;||\xc2\xa0)/","其他字符",$str)”语句。

php怎么判断有没有小数点php怎么判断有没有小数点Apr 20, 2022 pm 08:12 PM

php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

php怎么设置implode没有分隔符php怎么设置implode没有分隔符Apr 18, 2022 pm 05:39 PM

在PHP中,可以利用implode()函数的第一个参数来设置没有分隔符,该函数的第一个参数用于规定数组元素之间放置的内容,默认是空字符串,也可将第一个参数设置为空,语法为“implode(数组)”或者“implode("",数组)”。

php怎么读取字符串后几个字符php怎么读取字符串后几个字符Apr 22, 2022 pm 08:31 PM

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

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