- // Load cache file
- $this->cache_data = implode("", file($this->cache_inc));
-
- // Execute cache file
- eval($this->cache_data);
-
- if (is_array($data)) {
- // Cache data
- $this->cache_data = $data;
-
- // Cache version found?
- if ((isset($cache_version)) && (is_array($cache_version))) {
- // Remember it as well...
- $this->cache_version = $cache_version;
- } // END - if
-
- // Return cache
- return $this->cache_data;
- } else {
- // Cache problem detected!
- $this->cache_destroy();
- }
- } else {
- // Cache file not found or not readable
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_CANNOT_LOAD_1.$this->cache_inc.CACHE_CANNOT_LOAD_2);
- }
- }
-
- // Destroy an existing cache file
- function cache_destroy() {
- // Is the cache file there?
- if (FILE_READABLE($this->cache_inc)) {
- // Remove cache file from system
- @unlink($this->cache_inc);
- if (!FILE_READABLE($this->cache_inc)) {
- // Close cache automatically (we don't need it anymore!)
- $this->cache_close();
- } else {
- // Not removed!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- } else {
- // Does not exist!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- }
-
- function cache_remove($search, $data, $array)
- {
- global $ARRAY;
- if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc))) {
- // Load cache into dummy array
- $dummy = $this->cache_load();
-
- // 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
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$ARRAY = \"".$ARRAY."\";\n");
- foreach ($dummy 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 .= $this->add_raw_row($k, $v2);
- }
- } else {
- // Single line found
- $LINE = $this->add_raw_row($k, $v);
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- } else {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_replace($search, $replace, $search_key, $array)
- {
- global $ARRAY;
- if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc)))
- {
- // Load cache into dummy array
- $dummy = $this->cache_load();
-
- // 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
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$dummy = \"".$ARRAY."\";\n");
- foreach ($dummy 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 .= $this->add_raw_row($k, $v2);
- }
- } else {
- // Single line found
- $LINE = $this->add_raw_row($k, $v);
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- }
- } else {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function store_extension_version ($ext_name) {
- // Valid cache pointer?
- if (is_resource($this->cache_pointer)) {
- // Get extension version
- $ext_ver = GET_EXT_VERSION($ext_name);
-
- // Write cache line to file
- @fwrite($this->cache_pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n");
- } else {
- // Cannot create file
- ADD_FATAL(__FILE__."(<font color=\"#0000aa\">".__LINE__."</font>): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function ext_version_matches ($ext_name) {
- // Load cache (dummy)
- $this->cache_load();