public static function cache($save = FALSE, $append = FALSE)
{
if ($save === TRUE) {
try {
JsonApiApplication::cache('Route::cache()', Route::$_routes);
} catch (Exception $e) {
throw new JsonApiApplication_Exception('One or more routes could not be cached (:message)', array(':message' => $e->getMessage()), 0, $e);
}
} else {
if ($routes = JsonApiApplication::cache('Route::cache()')) {
if ($append) {
Route::$_routes += $routes;
} else {
Route::$_routes = $routes;
}
return Route::$cache = TRUE;
} else {
return Route::$cache = FALSE;
}
}
}
public static function shutdown_handler()
{
if (!JsonApiApplication::$_init) {
return;
}
try {
if (JsonApiApplication::$caching === TRUE and JsonApiApplication::$_files_changed === TRUE) {
// Write the file path cache
JsonApiApplication::cache("JsonApiApplication::find_file()", JsonApiApplication::$_files);
}
} catch (Exception $e) {
// Pass the exception to the handler
JsonApiApplication_Exception::handler($e);
}
if (JsonApiApplication::$errors and $error = error_get_last() and in_array($error["type"], JsonApiApplication::$shutdown_errors)) {
// Clean the output buffer
ob_get_level() and ob_clean();
// Fake an exception for nice debugging
JsonApiApplication_Exception::handler(new ErrorException($error["message"], $error["type"], 0, $error["file"], $error["line"]));
// Shutdown now to avoid a "death loop"
exit(1);
}
}
public function execute($db = NULL, $as_object = NULL, $object_params = NULL)
{
if (!is_object($db)) {
$db = Database::instance($db);
}
if ($as_object === NULL) {
$as_object = $this->_as_object;
}
if ($object_params === NULL) {
$object_params = $this->_object_params;
}
$sql = $this->compile($db);
if ($this->_lifetime !== NULL and $this->_type === Database::SELECT) {
$cache_key = 'Database::query("' . $db . '", "' . $sql . '")';
if (($result = JsonApiApplication::cache($cache_key, NULL, $this->_lifetime)) !== NULL and !$this->_force_execute) {
return new Database_Result_Cached($result, $sql, $as_object, $object_params);
}
}
$result = $db->query($this->_type, $sql, $as_object, $object_params);
if (isset($cache_key) and $this->_lifetime > 0) {
JsonApiApplication::cache($cache_key, $result->as_array(), $this->_lifetime);
}
return $result;
}
/**
* Gets the total application run time and memory usage. Caches the result
* so that it can be compared between requests.
*
* list($time, $memory) = Profiler::application();
*
* @return array execution time, memory
* @uses JsonApiApplication::cache
*/
public static function application()
{
// Load the stats from cache, which is valid for 1 day
$stats = JsonApiApplication::cache('profiler_application_stats', NULL, 3600 * 24);
if (!is_array($stats) or $stats['count'] > Profiler::$rollover) {
// Initialize the stats array
$stats = array('min' => array('time' => NULL, 'memory' => NULL), 'max' => array('time' => NULL, 'memory' => NULL), 'total' => array('time' => NULL, 'memory' => NULL), 'count' => 0);
}
// Get the application run time
$time = microtime(TRUE) - APPLICATION_START_TIME;
// Get the total memory usage
$memory = memory_get_usage() - APPLICATION_START_MEMORY;
// Calculate max time
if ($stats['max']['time'] === NULL or $time > $stats['max']['time']) {
$stats['max']['time'] = $time;
}
// Calculate min time
if ($stats['min']['time'] === NULL or $time < $stats['min']['time']) {
$stats['min']['time'] = $time;
}
// Add to total time
$stats['total']['time'] += $time;
// Calculate max memory
if ($stats['max']['memory'] === NULL or $memory > $stats['max']['memory']) {
$stats['max']['memory'] = $memory;
}
// Calculate min memory
if ($stats['min']['memory'] === NULL or $memory < $stats['min']['memory']) {
$stats['min']['memory'] = $memory;
}
// Add to total memory
$stats['total']['memory'] += $memory;
// Another mark has been added to the stats
$stats['count']++;
// Determine the averages
$stats['average'] = array('time' => $stats['total']['time'] / $stats['count'], 'memory' => $stats['total']['memory'] / $stats['count']);
// Cache the new stats
JsonApiApplication::cache('profiler_application_stats', $stats);
// Set the current application execution time and memory
// Do NOT cache these, they are specific to the current request only
$stats['current']['time'] = $time;
$stats['current']['memory'] = $memory;
// Return the total application run time and memory usage
return $stats;
}
