- // Cache version found?
- if ((is_array($cache_version)) && (count($cache_version) > 0)) {
- // Remember it as well...
- $this->version[$this->name] = $cache_version;
- } else {
- // Invalid cache so destroy it
- $this->destroyCacheFile();
-
- // Clear cached data
- $this->data[$this->name] = array();
- }
-
- // Return cache
- return $this->data[$this->name];
- } else {
- // Cache problem detected!
- $this->destroyCacheFile();
- }
- } else {
- // Cache file not found or not readable
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_CANNOT_LOAD_1.$this->inc.CACHE_CANNOT_LOAD_2);
- }
- }
-
- // Destroy an existing cache file
- function destroyCacheFile () {
- // Is the cache file there?
- if (FILE_READABLE($this->inc)) {
- // Close cache
- $this->finalize();
-
- // Remove cache file from system
- unlink($this->inc);
-
- // Is the file there?
- if (!FILE_READABLE($this->inc)) {
- // The cache does no longer exist so kill the content
- unset($this->data[$this->name]);
- } else {
- // Not removed!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_CANNOT_UNLINK_1.$this->inc.CACHE_CANNOT_UNLINK_2);
- }
- } else {
- // Does not exist!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- // Unused method:
- function removeEntry ($search, $data, $array) {
- if ((FILE_READABLE($this->inc)) && (is_writeable($this->inc))) {
- // Load cache into dummy array
- $dummy = $this->getArrayFromCache();
-
- // Search for key in array
- $key = array_search($data, $dummy[$search]);
- if (!empty($key)) {
- // Key (hopefully) found?
- foreach ($array as $a) {
- // So we can remove all elements as requested
- unset($dummy[$a][$key]);
- }
-
- // Flush array to cache file
- $this->init();
-
- // Write array out
- $this->writeArray($dummy);
-
- // Close cache file
- $this->finalize();
- }
- } else {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function writeArray ($array) {
- if (is_resource($this->pointer)) {
- foreach ($array as $k => $v) {
- if (is_array($v)) {
- // Multi line(s) found
- $LINE = "";
- foreach($v as $k2 => $v2) {
- // Put every array element in a row...
- $LINE .= $this->rewriteEntry($k, $v2);
- }
- } else {
- // Single line found
- $LINE = $this->rewriteEntry($k, $v);
- }
-
- // Write line(s)
- fwrite($this->pointer, $LINE);
- } // END - foreach
- } else {
- // Cannot write array!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- // Unused method
- function replaceEntry ($search, $replace, $search_key, $array) {
- if ((FILE_READABLE($this->inc)) && (is_writeable($this->inc))) {
- // Load cache into dummy array
- $dummy = $this->getArrayFromCache();
-
- // Check if $dummy is valid (prevents some errors)
- if ((is_array($dummy)) && (isset($dummy[$search])) && (is_array($dummy[$search]))) {
- // Search for key in array
- $key_found = array_key_exists($search_key, $dummy[$search]);
- if ($key_found == true) {
- $key = $search_key;
- // Key (hopefully) found?
- foreach ($dummy as $a => $v) {
- // So we can update all entries
- if ($a == $search) {
- // Update now...
- $dummy[$a][$search_key] = $replace;
- }
- }
-
- // Flush array to cache file
- $this->init();
-
- // Write array out
- $this->writeArray($dummy);
-
- // Close cache file
- $this->finalize();
- }
- }
- } else {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function storeExtensionVersion ($ext_name) {
- // Valid cache pointer?
- if (is_resource($this->pointer)) {
- // Get extension version
- $ext_ver = GET_EXT_VERSION($ext_name);
-
- // Write cache line to file
- fwrite($this->pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n");
- } else {
- // Cannot create file
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function extensionVersionMatches ($ext_name) {
- // Load cache (dummy)
- $this->getArrayFromCache();