Source/carbon/utilities/filesystem_utility.php

   1 <?php
   2 /*------------------------------------------------------------
   3 *  CarbonPHP framework (C) Tom Bell
   4 *  http://tombell.org.uk
   5 *------------------------------------------------------------*/
   6
   7 if (!defined('CARBON_PATH'))
   8 {
   9         exit('Direct script access is not allowed.');
  10 }
  11
  12 function read_file($file_name)
  13 {
  14         if (!file_exists($file_name))
  15         {
  16                 return false;
  17         }
  18
  19         if (function_exists('file_get_contents'))
  20         {
  21                 return file_get_contents($file_name);
  22         }
  23
  24         $file = @fopen($file_name, 'rb');
  25
  26         if ($file == false)
  27         {
  28                 return false;
  29         }
  30
  31         flock($file, LOCK_SH);
  32
  33         $data = '';
  34
  35         if (filesize($file) > 0)
  36         {
  37                 $data =& fread($file, filesize($file));
  38         }
  39
  40         flock($file, LOCK_UN);
  41         fclose($file);
  42
  43         return $data;
  44 }
  45
  46 function write_file($path, $data, $mode = 'wb')
  47 {
  48         $file = fopen($path, $mode);
  49
  50         if ($file == false)
  51         {
  52                 return false;
  53         }
  54
  55         flock($file, LOCK_EX);
  56         fwrite($file, $data);
  57         flock($file, LOCK_UN);
  58         fclose($file);
  59
  60         return true;
  61 }
  62
  63 function delete_files($path, $del_dir = false, $level = 0)
  64 {
  65         $path = preg_replace("|^(.+?)/*$|", "\\1", $path);
  66
  67         $current_dir = @opendir($path);
  68
  69         if ($current_dir == false)
  70         {
  71                 return true;
  72         }
  73
  74         while (($filename = @readdir($current_dir)) !== false)
  75         {
  76                 if ($filename != "." && $filename != "..")
  77                 {
  78                         if (is_dir($path . '/' . $filename))
  79                         {
  80                                 $level++;
  81                                 delete_files($path . '/' . $filename, $del_dir, $level);
  82                         }
  83                         else
  84                         {
  85                                 unlink($path . '/' . $filename);
  86                         }
  87                 }
  88         }
  89
  90         @closedir($current_dir);
  91
  92         if ($del_dir == true && $level > 0)
  93         {
  94                 @rmdir($path);
  95         }
  96 }
  97
  98 function get_filenames($source_dir, $include_path = false)
  99 {
 100         static $filedata = array();
 101
 102         $file = @opendir($source_dir);
 103
 104         if ($file == true)
 105         {
 106                 while (($filename = readdir($file)) !== false)
 107                 {
 108                         if (@is_dir($source_dir . $filename) && substr($filename, 0, 1) != '.')
 109                         {
 110                                 get_filenames($source_dir . $filename . '/', $include_path);
 111                         }
 112                         elseif (substr($filename, 0, 1) != ".")
 113                         {
 114                                 $filedata[] = ($include_path == true) ? $source_dir . $filename : $filename;
 115                         }
 116                 }
 117
 118                 return $filedata;
 119         }
 120 }
 121
 122 ?>