$backend) {
if ($backend instanceof Zend_Cache_Backend_ExtendedInterface ) {
$this->_cacheBackends[$name] = $backend;
}
}
}
/**
* Gets identifier for this plugin
*
* @return string
*/
public function getIdentifier()
{
return $this->_identifier;
}
/**
* Returns the base64 encoded icon
*
* @return string
**/
public function getIconData()
{
return 'data:image/png;base64,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';
}
/**
* Gets menu tab for the Debugbar
*
* @return string
*/
public function getTab()
{
return 'Cache';
}
/**
* Gets content panel for the Debugbar
*
* @return string
*/
public function getPanel()
{
$panel = '';
# Support for APC
if (function_exists('apc_sma_info') && ini_get('apc.enabled')) {
$mem = apc_sma_info();
$mem_size = $mem['num_seg']*$mem['seg_size'];
$mem_avail = $mem['avail_mem'];
$mem_used = $mem_size-$mem_avail;
$cache = apc_cache_info();
$panel .= 'APC '.phpversion('apc').' Enabled
';
$panel .= round($mem_avail/1024/1024, 1).'M available, '.round($mem_used/1024/1024, 1).'M used'.$this->getLinebreak()
. $cache['num_entries'].' Files cached ('.round($cache['mem_size']/1024/1024, 1).'M)'.$this->getLinebreak()
. $cache['num_hits'].' Hits ('.round($cache['num_hits'] * 100 / ($cache['num_hits']+$cache['num_misses']), 1).'%)'.$this->getLinebreak()
. $cache['expunges'].' Expunges (cache full count)';
}
foreach ($this->_cacheBackends as $name => $backend) {
$fillingPercentage = $backend->getFillingPercentage();
$ids = $backend->getIds();
# Print full class name, backends might be custom
$panel .= 'Cache '.$name.' ('.get_class($backend).')
';
$panel .= count($ids).' Entr'.(count($ids)>1?'ies':'y').''.$this->getLinebreak()
. 'Filling Percentage: '.$backend->getFillingPercentage().'%'.$this->getLinebreak();
$cacheSize = 0;
foreach ($ids as $id)
{
# Calculate valid cache size
$mem_pre = memory_get_usage();
if ($cached = $backend->load($id)) {
$mem_post = memory_get_usage();
$cacheSize += $mem_post-$mem_pre;
unset($cached);
}
}
$panel .= 'Valid Cache Size: '.round($cacheSize/1024, 1). 'K';
}
return $panel;
}
}