Cheetah
ChWsbCacheFile.php
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1 <?php
2 
8 require_once(CH_DIRECTORY_PATH_CLASSES . 'ChWsbCache.php');
9 
10 class ChWsbCacheFile extends ChWsbCache
11 {
12  var $sPath;
13 
17  function __construct()
18  {
19  parent::__construct();
20 
21  $this->sPath = CH_DIRECTORY_PATH_DBCACHE;
22  }
23 
31  function getData($sKey, $iTTL = false)
32  {
33  if (!file_exists($this->sPath . $sKey))
34  return null;
35 
36  if ($iTTL > 0 && $this->_removeFileIfTtlExpired ($this->sPath . $sKey, $iTTL))
37  return null;
38 
39  include($this->sPath . $sKey);
40  return $mixedData;
41  }
42 
51  function setData($sKey, $mixedData, $iTTL = false)
52  {
53  if(file_exists($this->sPath . $sKey) && !is_writable($this->sPath . $sKey))
54  return false;
55 
56  if(!($rHandler = fopen($this->sPath . $sKey, 'w')))
57  return false;
58 
59  fwrite($rHandler, '<?php $mixedData=' . var_export($mixedData, true) . '; ?>');
60  fclose($rHandler);
61  @chmod($this->sPath . $sKey, 0666);
62 
63  return true;
64  }
65 
72  function delData($sKey)
73  {
74  $sFile = $this->sPath . $sKey;
75  return !file_exists($sFile) || @unlink($sFile);
76  }
77 
82  function removeAllByPrefix ($s)
83  {
84  if (!($rHandler = opendir($this->sPath)))
85  return false;
86 
87  $l = strlen($s);
88  while (($sFile = readdir($rHandler)) !== false)
89  if (0 === strncmp($sFile, $s, $l))
90  @unlink ($this->sPath . $sFile);
91 
92  closedir($rHandler);
93 
94  return true;
95  }
96 
100  function getSizeByPrefix ($s)
101  {
102  if (!($rHandler = opendir($this->sPath)))
103  return false;
104 
105  $iSize = 0;
106  $l = strlen($s);
107  while (($sFile = readdir($rHandler)) !== false)
108  if (0 === strncmp($sFile, $s, $l))
109  $iSize += @filesize ($this->sPath . $sFile);
110 
111  closedir($rHandler);
112 
113  return $iSize;
114  }
115 
122  function _removeFileIfTtlExpired ($sFile, $iTTL)
123  {
124  $iTimeDiff = time() - filectime($sFile);
125  if ($iTimeDiff > $iTTL) {
126  @unlink ($sFile);
127  return true;
128  } else {
129  return false;
130  }
131  }
132 }
php
ChWsbCache\__construct
__construct()
Definition: ChWsbCache.php:10
ChWsbCache
Definition: ChWsbCache.php:9
ChWsbCache\removeAllByPrefix
removeAllByPrefix($s)
Definition: ChWsbCache.php:34
$sFile
$sFile
Definition: index.php:20
ChWsbCache\getSizeByPrefix
getSizeByPrefix($s)
Definition: ChWsbCache.php:35
time
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Definition: license.txt:56
ChWsbCache\getData
getData($sKey, $iTTL=false)
Definition: ChWsbCache.php:31
$s
$s
Definition: embed.php:13
ChWsbCache\setData
setData($sKey, $mixedData, $iTTL=false)
Definition: ChWsbCache.php:32
ChWsbCache\delData
delData($sKey)
Definition: ChWsbCache.php:33
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