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Prevent the merging of non-music groups

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Include empty values in cache debug table

Clear cache when replying to staff pm

Internal cache is useless in get_artists and get_groups

Prevent users from clearing certain cache keys
This commit is contained in:
What.CD 2011-05-25 08:00:08 +00:00
parent fb4810d625
commit 1ae6832107
2 changed files with 35 additions and 4 deletions
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14
classes/class_cache.php
View File

@ -34,6 +34,10 @@ class CACHE extends Memcache {
public $MemcacheDBKey = ''; public $MemcacheDBKey = '';
protected $InTransaction = false; protected $InTransaction = false;
public $Time = 0; public $Time = 0;
private $PersistentKeys = array(
'stats_*',
'percentiles_*',
);
public $CanClear = false; public $CanClear = false;
@ -77,14 +81,16 @@ public function get_value($Key, $NoCache=false) {
trigger_error("Cache retrieval failed for empty key"); trigger_error("Cache retrieval failed for empty key");
} }
if (isset($_GET['clearcache']) && $this->CanClear) { if (isset($_GET['clearcache']) && $this->CanClear && !in_array_partial($Key, $this->PersistentKeys)) {
if ($_GET['clearcache'] == 1) { if ($_GET['clearcache'] == 1) {
//Because check_perms isn't true until loggeduser is pulled from the cache, we have to remove the entries loaded before the loggeduser data //Because check_perms isn't true until loggeduser is pulled from the cache, we have to remove the entries loaded before the loggeduser data
//Because of this, not user cache data will require a secondary pageload following the clearcache to update //Because of this, not user cache data will require a secondary pageload following the clearcache to update
if (count($this->CacheHits) > 0) { if (count($this->CacheHits) > 0) {
foreach ($this->CacheHits as $Key => $Entry) { foreach (array_keys($this->CacheHits) as $HitKey) {
$this->delete($Key); if (!in_array_partial($HitKey, $this->PersistentKeys)) {
unset($this->CacheHits[$Key]); $this->delete($HitKey);
unset($this->CacheHits[$HitKey]);
}
} }
} }
$this->delete($Key); $this->delete($Key);

25
classes/script_start.php
View File

@ -1901,6 +1901,31 @@ function starts_with($Haystack, $Needle) {
return strpos($Haystack, $Needle) === 0; return strpos($Haystack, $Needle) === 0;
} }
/**
* Variant of in_array() with trailing wildcard support
* @param string $Needle, array $Haystack
* @return true if (substring of) $Needle exists in $Haystack
*/
function in_array_partial($Needle, $Haystack) {
static $Searches = array();
if(array_key_exists($Needle, $Searches)) {
return $Searches[$Needle];
}
foreach($Haystack as $String) {
if(substr($String, -1) == '*') {
if(!strncmp($Needle, $String, strlen($String)-1)) {
$Searches[$Needle] = true;
return true;
}
} elseif(!strcmp($Needle, $String)) {
$Searches[$Needle] = true;
return true;
}
}
$Searches[$Needle] = false;
return false;
}
$Debug->set_flag('ending function definitions'); $Debug->set_flag('ending function definitions');