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* Upgraded to PEAR Cache_Lite 1.7.8

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This commit is contained in:
Garvin Hicking
2009-12-10 12:42:18 +00:00
parent 414ce21c0f
commit 5f9b465d46
4 changed files with 318 additions and 136 deletions
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274
bundled-libs/Cache/Lite.php
View File

@ -19,7 +19,7 @@
*
* @package Cache_Lite
* @category Caching
* @version $Id: Lite.php,v 1.30 2005/06/13 20:50:48 fab Exp $
* @version $Id: Lite.php,v 1.54 2009/07/07 05:34:37 tacker Exp $
* @author Fabien MARTY <fab@php.net>
*/
@ -51,6 +51,8 @@ class Cache_Lite
/**
* Cache lifetime (in seconds)
*
* If null, the cache is valid forever.
*
* @var int $_lifeTime
*/
var $_lifeTime = 3600;
@ -234,6 +236,18 @@ class Cache_Lite
*/
var $_hashedDirectoryUmask = 0700;
/**
* API break for error handling in CACHE_LITE_ERROR_RETURN mode
*
* In CACHE_LITE_ERROR_RETURN mode, error handling was not good because
* for example save() method always returned a boolean (a PEAR_Error object
* would be better in CACHE_LITE_ERROR_RETURN mode). To correct this without
* breaking the API, this option (false by default) can change this handling.
*
* @var boolean
*/
var $_errorHandlingAPIBreak = false;
// --- Public methods ---
/**
@ -253,10 +267,11 @@ class Cache_Lite
* 'onlyMemoryCaching' => enable / disable only memory caching (boolean),
* 'memoryCachingLimit' => max nbr of records to store into memory caching (int),
* 'fileNameProtection' => enable / disable automatic file name protection (boolean),
* 'automaticSerialization' => enable / disable automatic serialization (boolean)
* 'automaticCleaningFactor' => distable / tune automatic cleaning process (int)
* 'hashedDirectoryLevel' => level of the hashed directory system (int)
* 'hashedDirectoryUmask' => umask for hashed directory structure (int)
* 'automaticSerialization' => enable / disable automatic serialization (boolean),
* 'automaticCleaningFactor' => distable / tune automatic cleaning process (int),
* 'hashedDirectoryLevel' => level of the hashed directory system (int),
* 'hashedDirectoryUmask' => umask for hashed directory structure (int),
* 'errorHandlingAPIBreak' => API break for better error handling ? (boolean)
* );
*
* @param array $options options
@ -264,14 +279,27 @@ class Cache_Lite
*/
function Cache_Lite($options = array(NULL))
{
$availableOptions = array('hashedDirectoryUmask', 'hashedDirectoryLevel', 'automaticCleaningFactor', 'automaticSerialization', 'fileNameProtection', 'memoryCaching', 'onlyMemoryCaching', 'memoryCachingLimit', 'cacheDir', 'caching', 'lifeTime', 'fileLocking', 'writeControl', 'readControl', 'readControlType', 'pearErrorMode');
foreach($options as $key => $value) {
if(in_array($key, $availableOptions)) {
$property = '_'.$key;
$this->$property = $value;
}
$this->setOption($key, $value);
}
}
/**
* Generic way to set a Cache_Lite option
*
* see Cache_Lite constructor for available options
*
* @var string $name name of the option
* @var mixed $value value of the option
* @access public
*/
function setOption($name, $value)
{
$availableOptions = array('errorHandlingAPIBreak', 'hashedDirectoryUmask', 'hashedDirectoryLevel', 'automaticCleaningFactor', 'automaticSerialization', 'fileNameProtection', 'memoryCaching', 'onlyMemoryCaching', 'memoryCachingLimit', 'cacheDir', 'caching', 'lifeTime', 'fileLocking', 'writeControl', 'readControl', 'readControlType', 'pearErrorMode');
if (in_array($name, $availableOptions)) {
$property = '_'.$name;
$this->$property = $value;
}
$this->_refreshTime = time() - $this->_lifeTime;
}
/**
@ -280,7 +308,7 @@ class Cache_Lite
* @param string $id cache id
* @param string $group name of the cache group
* @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested
* @return string data of the cache (or false if no cache available)
* @return string data of the cache (else : false)
* @access public
*/
function get($id, $group = 'default', $doNotTestCacheValidity = false)
@ -289,21 +317,21 @@ class Cache_Lite
$this->_group = $group;
$data = false;
if ($this->_caching) {
$this->_setRefreshTime();
$this->_setFileName($id, $group);
clearstatcache();
if ($this->_memoryCaching) {
if (isset($this->_memoryCachingArray[$this->_file])) {
if ($this->_automaticSerialization) {
return unserialize($this->_memoryCachingArray[$this->_file]);
} else {
return $this->_memoryCachingArray[$this->_file];
}
} else {
if ($this->_onlyMemoryCaching) {
return false;
}
return $this->_memoryCachingArray[$this->_file];
}
if ($this->_onlyMemoryCaching) {
return false;
}
}
if ($doNotTestCacheValidity) {
if (($doNotTestCacheValidity) || (is_null($this->_refreshTime))) {
if (file_exists($this->_file)) {
$data = $this->_read();
}
@ -313,7 +341,7 @@ class Cache_Lite
}
}
if (($data) and ($this->_memoryCaching)) {
$this->_memoryCacheAdd($this->_file, $data);
$this->_memoryCacheAdd($data);
}
if (($this->_automaticSerialization) and (is_string($data))) {
$data = unserialize($data);
@ -329,7 +357,7 @@ class Cache_Lite
* @param string $data data to put in cache (can be another type than strings if automaticSerialization is on)
* @param string $id cache id
* @param string $group name of the cache group
* @return boolean true if no problem
* @return boolean true if no problem (else : false or a PEAR_Error object)
* @access public
*/
function save($data, $id = NULL, $group = 'default')
@ -342,27 +370,34 @@ class Cache_Lite
$this->_setFileName($id, $group);
}
if ($this->_memoryCaching) {
$this->_memoryCacheAdd($this->_file, $data);
$this->_memoryCacheAdd($data);
if ($this->_onlyMemoryCaching) {
return true;
}
}
if ($this->_automaticCleaningFactor>0) {
$rand = rand(1, $this->_automaticCleaningFactor);
if ($rand==1) {
$this->clean(false, 'old');
}
}
if ($this->_automaticCleaningFactor>0 && ($this->_automaticCleaningFactor==1 || mt_rand(1, $this->_automaticCleaningFactor)==1)) {
$this->clean(false, 'old');
}
if ($this->_writeControl) {
if (!$this->_writeAndControl($data)) {
$res = $this->_writeAndControl($data);
if (is_bool($res)) {
if ($res) {
return true;
}
// if $res if false, we need to invalidate the cache
@touch($this->_file, time() - 2*abs($this->_lifeTime));
return false;
} else {
return true;
}
}
} else {
return $this->_write($data);
}
$res = $this->_write($data);
}
if (is_object($res)) {
// $res is a PEAR_Error object
if (!($this->_errorHandlingAPIBreak)) {
return false; // we return false (old API)
}
}
return $res;
}
return false;
}
@ -372,10 +407,11 @@ class Cache_Lite
*
* @param string $id cache id
* @param string $group name of the cache group
* @param boolean $checkbeforeunlink check if file exists before removing it
* @return boolean true if no problem
* @access public
*/
function remove($id, $group = 'default')
function remove($id, $group = 'default', $checkbeforeunlink = false)
{
$this->_setFileName($id, $group);
if ($this->_memoryCaching) {
@ -387,6 +423,9 @@ class Cache_Lite
return true;
}
}
if ( $checkbeforeunlink ) {
if (!file_exists($this->_file)) return true;
}
return $this->_unlink($this->_file);
}
@ -411,13 +450,13 @@ class Cache_Lite
* Set to debug mode
*
* When an error is found, the script will stop and the message will be displayed
* (in debug mode only).
* (in debug mode only).
*
* @access public
*/
function setToDebug()
{
$this->_pearErrorMode = CACHE_LITE_ERROR_DIE;
$this->setOption('pearErrorMode', CACHE_LITE_ERROR_DIE);
}
/**
@ -429,7 +468,7 @@ class Cache_Lite
function setLifeTime($newLifeTime)
{
$this->_lifeTime = $newLifeTime;
$this->_refreshTime = time() - $newLifeTime;
$this->_setRefreshTime();
}
/**
@ -444,7 +483,7 @@ class Cache_Lite
if ($this->_caching) {
$array = array(
'counter' => $this->_memoryCachingCounter,
'array' => $this->_memoryCachingState
'array' => $this->_memoryCachingArray
);
$data = serialize($array);
$this->save($data, $id, $group);
@ -477,7 +516,8 @@ class Cache_Lite
*
* @return int last modification time
*/
function lastModified() {
function lastModified()
{
return @filemtime($this->_file);
}
@ -494,12 +534,38 @@ class Cache_Lite
*/
function raiseError($msg, $code)
{
include_once(dirname(__FILE__) . '/../PEAR.php');
PEAR::raiseError($msg, $code, $this->_pearErrorMode);
include_once dirname(__FILE__) . '/../PEAR.php';
return PEAR::raiseError($msg, $code, $this->_pearErrorMode);
}
/**
* Extend the life of a valid cache file
*
* see http://pear.php.net/bugs/bug.php?id=6681
*
* @access public
*/
function extendLife()
{
@touch($this->_file);
}
// --- Private methods ---
/**
* Compute & set the refresh time
*
* @access private
*/
function _setRefreshTime()
{
if (is_null($this->_lifeTime)) {
$this->_refreshTime = null;
} else {
$this->_refreshTime = time() - $this->_lifeTime;
}
}
/**
* Remove a file
*
@ -510,11 +576,9 @@ class Cache_Lite
function _unlink($file)
{
if (!@unlink($file)) {
$this->raiseError('Cache_Lite : Unable to remove cache !', -3);
return false;
} else {
return true;
return $this->raiseError('Cache_Lite : Unable to remove cache !', -3);
}
return true;
}
/**
@ -535,8 +599,8 @@ class Cache_Lite
$motif = ($group) ? 'cache_'.$group.'_' : 'cache_';
}
if ($this->_memoryCaching) {
while (list($key, $value) = each($this->_memoryCachingArray)) {
if (strpos($key, $motif, 0)) {
foreach($this->_memoryCachingArray as $key => $v) {
if (strpos($key, $motif) !== false) {
unset($this->_memoryCachingArray[$key]);
$this->_memoryCachingCounter = $this->_memoryCachingCounter - 1;
}
@ -546,8 +610,7 @@ class Cache_Lite
}
}
if (!($dh = opendir($dir))) {
$this->raiseError('Cache_Lite : Unable to open cache directory !', -4);
return false;
return $this->raiseError('Cache_Lite : Unable to open cache directory !', -4);
}
$result = true;
while ($file = readdir($dh)) {
@ -558,12 +621,14 @@ class Cache_Lite
switch (substr($mode, 0, 9)) {
case 'old':
// files older than lifeTime get deleted from cache
if ((mktime() - filemtime($file2)) > $this->_lifeTime) {
$result = ($result and ($this->_unlink($file2)));
if (!is_null($this->_lifeTime)) {
if ((time() - @filemtime($file2)) > $this->_lifeTime) {
$result = ($result and ($this->_unlink($file2)));
}
}
break;
case 'notingrou':
if (!strpos($file2, $motif, 0)) {
if (strpos($file2, $motif) === false) {
$result = ($result and ($this->_unlink($file2)));
}
break;
@ -575,7 +640,7 @@ class Cache_Lite
break;
case 'ingroup':
default:
if (strpos($file2, $motif, 0)) {
if (strpos($file2, $motif) !== false) {
$result = ($result and ($this->_unlink($file2)));
}
break;
@ -593,15 +658,14 @@ class Cache_Lite
/**
* Add some date in the memory caching array
*
* @param string $id cache id
* @param string $data data to cache
* @access private
*/
function _memoryCacheAdd($id, $data)
function _memoryCacheAdd($data)
{
$this->_memoryCachingArray[$this->_file] = $data;
if ($this->_memoryCachingCounter >= $this->_memoryCachingLimit) {
list($key, $value) = each($this->_memoryCachingArray);
list($key, ) = each($this->_memoryCachingArray);
unset($this->_memoryCachingArray[$key]);
} else {
$this->_memoryCachingCounter = $this->_memoryCachingCounter + 1;
@ -637,7 +701,7 @@ class Cache_Lite
/**
* Read the cache file and return the content
*
* @return string content of the cache file
* @return string content of the cache file (else : false or a PEAR_Error object)
* @access private
*/
function _read()
@ -645,10 +709,12 @@ class Cache_Lite
$fp = @fopen($this->_file, "rb");
if ($this->_fileLocking) @flock($fp, LOCK_SH);
if ($fp) {
clearstatcache(); // because the filesize can be cached by PHP itself...
clearstatcache();
$length = @filesize($this->_file);
$mqr = get_magic_quotes_runtime();
set_magic_quotes_runtime(0);
if ($mqr) {
set_magic_quotes_runtime(0);
}
if ($this->_readControl) {
$hashControl = @fread($fp, 32);
$length = $length - 32;
@ -658,73 +724,87 @@ class Cache_Lite
} else {
$data = '';
}
set_magic_quotes_runtime($mqr);
if ($mqr) {
set_magic_quotes_runtime($mqr);
}
if ($this->_fileLocking) @flock($fp, LOCK_UN);
@fclose($fp);
if ($this->_readControl) {
$hashData = $this->_hash($data, $this->_readControlType);
if ($hashData != $hashControl) {
@touch($this->_file, time() - 2*abs($this->_lifeTime));
if (!(is_null($this->_lifeTime))) {
@touch($this->_file, time() - 2*abs($this->_lifeTime));
} else {
@unlink($this->_file);
}
return false;
}
}
return $data;
}
$this->raiseError('Cache_Lite : Unable to read cache !', -2);
return false;
return $this->raiseError('Cache_Lite : Unable to read cache !', -2);
}
/**
* Write the given data in the cache file
*
* @param string $data data to put in cache
* @return boolean true if ok
* @return boolean true if ok (a PEAR_Error object else)
* @access private
*/
function _write($data)
{
$try = 1;
while ($try<=2) {
$fp = @fopen($this->_file, "wb");
if ($fp) {
if ($this->_fileLocking) @flock($fp, LOCK_EX);
if ($this->_readControl) {
@fwrite($fp, $this->_hash($data, $this->_readControlType), 32);
}
$len = strlen($data);
@fwrite($fp, $data, $len);
if ($this->_fileLocking) @flock($fp, LOCK_UN);
@fclose($fp);
return true;
} else {
if (($try==1) and ($this->_hashedDirectoryLevel>0)) {
$hash = md5($this->_fileName);
$root = $this->_cacheDir;
for ($i=0 ; $i<$this->_hashedDirectoryLevel ; $i++) {
$root = $root . 'cache_' . substr($hash, 0, $i + 1) . '/';
@mkdir($root, $this->_hashedDirectoryUmask);
}
$try = 2;
} else {
$try = 999;
if ($this->_hashedDirectoryLevel > 0) {
$hash = md5($this->_fileName);
$root = $this->_cacheDir;
for ($i=0 ; $i<$this->_hashedDirectoryLevel ; $i++) {
$root = $root . 'cache_' . substr($hash, 0, $i + 1) . '/';
if (!(@is_dir($root))) {
@mkdir($root, $this->_hashedDirectoryUmask);
}
}
}
$this->raiseError('Cache_Lite : Unable to write cache file : '.$this->_file, -1);
return false;
$fp = @fopen($this->_file, "wb");
if ($fp) {
if ($this->_fileLocking) @flock($fp, LOCK_EX);
if ($this->_readControl) {
@fwrite($fp, $this->_hash($data, $this->_readControlType), 32);
}
$mqr = get_magic_quotes_runtime();
if ($mqr) {
set_magic_quotes_runtime(0);
}
@fwrite($fp, $data);
if ($mqr) {
set_magic_quotes_runtime($mqr);
}
if ($this->_fileLocking) @flock($fp, LOCK_UN);
@fclose($fp);
return true;
}
return $this->raiseError('Cache_Lite : Unable to write cache file : '.$this->_file, -1);
}
/**
* Write the given data in the cache file and control it just after to avoir corrupted cache entries
*
* @param string $data data to put in cache
* @return boolean true if the test is ok
* @return boolean true if the test is ok (else : false or a PEAR_Error object)
* @access private
*/
function _writeAndControl($data)
{
$this->_write($data);
$dataRead = $this->_read($data);
$result = $this->_write($data);
if (is_object($result)) {
return $result; # We return the PEAR_Error object
}
$dataRead = $this->_read();
if (is_object($dataRead)) {
return $dataRead; # We return the PEAR_Error object
}
if ((is_bool($dataRead)) && (!$dataRead)) {
return false;
}
return ($dataRead==$data);
}
@ -746,7 +826,7 @@ class Cache_Lite
case 'strlen':
return sprintf('% 32d', strlen($data));
default:
$this->raiseError('Unknown controlType ! (available values are only \'md5\', \'crc32\', \'strlen\')', -5);
return $this->raiseError('Unknown controlType ! (available values are only \'md5\', \'crc32\', \'strlen\')', -5);
}
}

166
bundled-libs/Cache/Lite/Function.php
View File

@ -11,27 +11,58 @@
* Technical choices are described in the 'docs/technical' file
*
* @package Cache_Lite
* @version $Id: Function.php,v 1.6 2004/02/03 17:07:13 fab Exp $
* @version $Id: Function.php,v 1.11 2006/12/14 12:59:43 cweiske Exp $
* @author Sebastian BERGMANN <sb@sebastian-bergmann.de>
* @author Fabien MARTY <fab@php.net>
*/
require_once(dirname(__FILE__) . '/../Lite.php');
require_once dirname(__FILE__) . '/../Lite.php';
class Cache_Lite_Function extends Cache_Lite
{
// --- Private properties ---
/**
* Default cache group for function caching
*
* @var string $_defaultGroup
*/
* Default cache group for function caching
*
* @var string $_defaultGroup
*/
var $_defaultGroup = 'Cache_Lite_Function';
/**
* Don't cache the method call when its output contains the string "NOCACHE"
*
* if set to true, the output of the method will never be displayed (because the output is used
* to control the cache)
*
* @var boolean $_dontCacheWhenTheOutputContainsNOCACHE
*/
var $_dontCacheWhenTheOutputContainsNOCACHE = false;
/**
* Don't cache the method call when its result is false
*
* @var boolean $_dontCacheWhenTheResultIsFalse
*/
var $_dontCacheWhenTheResultIsFalse = false;
/**
* Don't cache the method call when its result is null
*
* @var boolean $_dontCacheWhenTheResultIsNull
*/
var $_dontCacheWhenTheResultIsNull = false;
/**
* Debug the Cache_Lite_Function caching process
*
* @var boolean $_debugCacheLiteFunction
*/
var $_debugCacheLiteFunction = false;
// --- Public methods ----
/**
* Constructor
*
@ -41,7 +72,11 @@ class Cache_Lite_Function extends Cache_Lite
* Comparing to Cache_Lite constructor, there is another option :
* $options = array(
* (...) see Cache_Lite constructor
* 'defaultGroup' => default cache group for function caching (string)
* 'debugCacheLiteFunction' => (bool) debug the caching process,
* 'defaultGroup' => default cache group for function caching (string),
* 'dontCacheWhenTheOutputContainsNOCACHE' => (bool) don't cache when the function output contains "NOCACHE",
* 'dontCacheWhenTheResultIsFalse' => (bool) don't cache when the function result is false,
* 'dontCacheWhenTheResultIsNull' => (bool don't cache when the function result is null
* );
*
* @param array $options options
@ -49,17 +84,22 @@ class Cache_Lite_Function extends Cache_Lite
*/
function Cache_Lite_Function($options = array(NULL))
{
if (isset($options['defaultGroup'])) {
$this->_defaultGroup = $options['defaultGroup'];
$availableOptions = array('debugCacheLiteFunction', 'defaultGroup', 'dontCacheWhenTheOutputContainsNOCACHE', 'dontCacheWhenTheResultIsFalse', 'dontCacheWhenTheResultIsNull');
while (list($name, $value) = each($options)) {
if (in_array($name, $availableOptions)) {
$property = '_'.$name;
$this->$property = $value;
}
}
reset($options);
$this->Cache_Lite($options);
}
/**
* Calls a cacheable function or method (or not if there is already a cache for it)
*
* Arguments of this method are read with func_get_args. So it doesn't appear
* in the function definition. Synopsis :
* in the function definition. Synopsis :
* call('functionName', $arg1, $arg2, ...)
* (arg1, arg2... are arguments of 'functionName')
*
@ -69,35 +109,60 @@ class Cache_Lite_Function extends Cache_Lite
function call()
{
$arguments = func_get_args();
$id = serialize($arguments); // Generate a cache id
if (!$this->_fileNameProtection) {
$id = md5($id);
// if fileNameProtection is set to false, then the id has to be hashed
// because it's a very bad file name in most cases
}
$id = $this->_makeId($arguments);
$data = $this->get($id, $this->_defaultGroup);
if ($data !== false) {
if ($this->_debugCacheLiteFunction) {
echo "Cache hit !\n";
}
$array = unserialize($data);
$output = $array['output'];
$result = $array['result'];
} else {
if ($this->_debugCacheLiteFunction) {
echo "Cache missed !\n";
}
ob_start();
ob_implicit_flush(false);
$target = array_shift($arguments);
if (strstr($target, '::')) { // classname::staticMethod
list($class, $method) = explode('::', $target);
$result = call_user_func_array(array($class, $method), $arguments);
} else if (strstr($target, '->')) { // object->method
// use a stupid name ($objet_123456789 because) of problems when the object
// name is the same as this var name
list($object_123456789, $method) = explode('->', $target);
global $$object_123456789;
$result = call_user_func_array(array($$object_123456789, $method), $arguments);
} else { // function
$result = call_user_func_array($target, $arguments);
if (is_array($target)) {
// in this case, $target is for example array($obj, 'method')
$object = $target[0];
$method = $target[1];
$result = call_user_func_array(array(&$object, $method), $arguments);
} else {
if (strstr($target, '::')) { // classname::staticMethod
list($class, $method) = explode('::', $target);
$result = call_user_func_array(array($class, $method), $arguments);
} else if (strstr($target, '->')) { // object->method
// use a stupid name ($objet_123456789 because) of problems where the object
// name is the same as this var name
list($object_123456789, $method) = explode('->', $target);
global $$object_123456789;
$result = call_user_func_array(array($$object_123456789, $method), $arguments);
} else { // function
$result = call_user_func_array($target, $arguments);
}
}
$output = ob_get_contents();
ob_end_clean();
if ($this->_dontCacheWhenTheResultIsFalse) {
if ((is_bool($result)) && (!($result))) {
echo($output);
return $result;
}
}
if ($this->_dontCacheWhenTheResultIsNull) {
if (is_null($result)) {
echo($output);
return $result;
}
}
if ($this->_dontCacheWhenTheOutputContainsNOCACHE) {
if (strpos($output, 'NOCACHE') > -1) {
return $result;
}
}
$array['output'] = $output;
$array['result'] = $result;
$this->save(serialize($array), $id, $this->_defaultGroup);
@ -105,7 +170,42 @@ class Cache_Lite_Function extends Cache_Lite
echo($output);
return $result;
}
/**
* Drop a cache file
*
* Arguments of this method are read with func_get_args. So it doesn't appear
* in the function definition. Synopsis :
* remove('functionName', $arg1, $arg2, ...)
* (arg1, arg2... are arguments of 'functionName')
*
* @return boolean true if no problem
* @access public
*/
function drop()
{
$id = $this->_makeId(func_get_args());
return $this->remove($id, $this->_defaultGroup);
}
/**
* Make an id for the cache
*
* @var array result of func_get_args for the call() or the remove() method
* @return string id
* @access private
*/
function _makeId($arguments)
{
$id = serialize($arguments); // Generate a cache id
if (!$this->_fileNameProtection) {
$id = md5($id);
// if fileNameProtection is set to false, then the id has to be hashed
// because it's a very bad file name in most cases
}
return $id;
}
}
?>

11
bundled-libs/Cache/Lite/Output.php
View File

@ -7,11 +7,11 @@
* Technical choices are described in the 'docs/technical' file
*
* @package Cache_Lite
* @version $Id: Output.php,v 1.3 2005/04/17 21:40:18 fab Exp $
* @version $Id: Output.php,v 1.4 2006/01/29 00:22:07 fab Exp $
* @author Fabien MARTY <fab@php.net>
*/
require_once(dirname(__FILE__) . '/../Lite.php');
require_once dirname(__FILE__) . '/../Lite.php';
class Cache_Lite_Output extends Cache_Lite
{
@ -47,11 +47,10 @@ class Cache_Lite_Output extends Cache_Lite
if ($data !== false) {
echo($data);
return true;
} else {
ob_start();
ob_implicit_flush(false);
return false;
}
ob_start();
ob_implicit_flush(false);
return false;
}
/**