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PHP得到根目录和删除文件,删除目录

<?php$file="test.txt";if(!unlink($file)){echo("Errordeleting$file");}else{echo("Deleted$file");}?>php可以获得站点的根目录functionGetRootPath(){$sRealPath=realpat

2015-06-28 00:001 次阅读
PHP得到根目录和删除文件,删除目录

$file = &test.txt&;
if (!unlink($file))
  {
  echo (&Error deleting $file&);
  }
else
  {
  echo (&Deleted $file&);
  }
?>

  php可以获得站点的根目录

function GetRootPath()
{
        $sRealPath = realpath( './' ) ;

        $sSelfPath = $_SERVER['PHP_SELF'] ;
        $sSelfPath = substr( $sSelfPath, 0, strrpos( $sSelfPath, '/' ) ) ;

        return substr( $sRealPath, 0, strlen( $sRealPath ) - strlen( $sSelfPath ) ) ;
}

  通过$_SERVER[&DOCUMENT_ROOT&]变量取虚拟目录

function removeDir($dirName)

{

    $result = false;

    if(! is_dir($dirName))

    {

        trigger_error(&目录名称错误&, E_USER_ERROR);

    }

    $handle = opendir($dirName);

    while(($file = readdir($handle)) !== false)

    {

        if($file != '.' && $file != '..')

        {

            $dir = $dirName . DIRECTORY_SEPARATOR . $file;

            is_dir($dir) ? removeDir($dir) : unlink($dir);

        }

    }

    closedir($handle);

    $result = rmdir($dirName) ? true : false;

    return $result;

}

 
function remove_directory($dir) {
  if ($handle = opendir(&$dir&)) {
   while (false !== ($item = readdir($handle))) {
     if ($item != &.& && $item != &..&) {
       if (is_dir(&$dir/$item&)) {
         remove_directory(&$dir/$item&);
       } else {
         unlink(&$dir/$item&);
         echo & removing $dir/$item
n&;
       }
     }
   }
   closedir($handle);
   rmdir($dir);
   echo &removing $dir
n&;
  }
}
 
 
function removeDir($dirName)
{
    if(! is_dir($dirName))
    {
   return false;
    }
    $handle = @opendir($dirName);
    while(($file = @readdir($handle)) !== false)
    {
        if($file != '.' && $file != '..')
        {
            $dir = $dirName . '/' . $file;
            is_dir($dir) ? removeDir($dir) : @unlink($dir);
        }
    }
    closedir($handle);
   
    return rmdir($dirName) ;
}
?>

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