Common operations on PHP file directories_PHP tutorial-PHP Tutorial-php.cn

Common operations on PHP file directories_PHP tutorial

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Release： 2016-07-20 11:10:18

Original

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/**

* 转化为 /
*
* @param string $path 路径
* @return string 路径
*/
function dir_path($path) {
$path = str_replace('', '/', $path);
if(substr($path, -1) != '/') $path = $path.'/';
return $path;
}
/**
* Create directory
*
* @param string $path path
* @param string $mode attribute
* @return string Returns true if it already exists, otherwise false
*/
function dir_create($path, $mode = 0777) {
if(is_dir($path)) return TRUE;
$ftp_enable = 0;
$path = dir_path($path);
$temp = explode('/', $path);
$cur_dir = '';
$max = count($temp) - 1;
for($i=0; $i<$max; $i++) {
  $cur_dir .= $temp[$i].'/';
  if (@is_dir($cur_dir)) continue;
  @mkdir($cur_dir, 0777,true);
  @chmod($cur_dir, 0777);
}
return is_dir($path);
}
/**
* Copy the directory and all files below
*
* @param string $fromdir Original path
* @param string $todir Target path
* @return string Return if the target path does not exist false, otherwise true
*/
function dir_copy($fromdir, $todir) {
$fromdir = dir_path($fromdir);
$todir = dir_path($todir);
if (!is_dir($fromdir)) return FALSE;
if (!is_dir($todir)) dir_create($todir);
$list = glob($fromdir.'*');
if (!empty($list)) {
  foreach($list as $v) {
   $path = $todir.basename($v);
   if(is_dir($v)) {
    dir_copy($v, $path);
   } else {
    copy($v, $path);
    @chmod($path, 0777);
   }
  }
}
    return TRUE;
}
/**
* Convert the encoding format of all files under the directory
*
* @param string $in_charset Original character set
* @param string $out_charset Target character set
* @param string $dir Directory Address
* @param string $fileexts Converted file format
* @return string If the original character set and the target character set are the same, return false, otherwise true
*/
function dir_iconv($in_charset, $out_charset, $dir, $fileexts = 'php|html|htm|shtml|shtm|js|txt|xml') {
if($in_charset == $out_charset) return false;
$list = dir_list($dir);
foreach($list as $v) {
  if (preg_match("/.($fileexts)/i", $v) && is_file($v)){
   file_put_contents($v, iconv($in_charset, $out_charset, file_get_contents($v)));
  }
}
return true;
}
/**
* List all files in the directory
*
* @param string $path Path
* @param string $exts Extension
* @param array $list Added file list
* @return array All files that meet the conditions
*/
function dir_list($path, $exts = '', $list= array()) {
$path = dir_path($path);
$files = glob($path.'*');
foreach($files as $v) {
  $fileext = fileext($v);
  if (!$exts || preg_match("/.($exts)/i", $v)) {
   $list[] = $v;
   if (is_dir($v)) {
    $list = dir_list($v, $exts, $list);
   }
  }
}
return $list;
}
/**
* Set the access and modification time of all files under the directory
*
* @param string $path Path
* @param int $mtime Modification time
* @param int $atime Access Time
* @return array returns false if it is not a directory, otherwise returns true
*/
function dir_touch($path, $mtime = TIME, $atime = TIME) {
if (!is_dir($path)) return false;
$path = dir_path($path);
if (!is_dir($path)) touch($path, $mtime, $atime);
$files = glob($path.'*');
foreach($files as $v) {
  is_dir($v) ? dir_touch($v, $mtime, $atime) : touch($v, $mtime, $atime);
}
return true;
}
/**
* Directory list
*
* @param string $dir path
* @param int $parentid parent id
* @param array $dirs Incoming directory
* @return array Returns directory list
*/
function dir_tree($dir, $parentid = 0, $dirs = array()) {
global $id;
if ($parentid == 0) $id = 0;
$list = glob($dir.'*');
foreach($list as $v) {
  if (is_dir($v)) {
            $id++;
   $dirs[$id] = array('id'=>$id,'parentid'=>$parentid, 'name'=>basename($v), 'dir'=>$v.'/');
   $dirs = dir_tree($v.'/', $id, $dirs);
  }
}
return $dirs;
}

/**
* Delete the directory and all files under the directory
*
* @param string $dir path
* @return bool Returns TRUE if successful, FALSE if failed
*/
function dir_delete($dir) {
$dir = dir_path($dir);
if (!is_dir($dir)) return FALSE;
$list = glob($dir.'*');
foreach($list as $v) {
is_dir($v) ? dir_delete($v) : @unlink($v);
}
return @rmdir($dir);
}