/** @Factory("zool.events") */
public function events()
{
return Events::instance();
}
/**
* Handles PHP execution errors such as warnings, notices.
*
* This method is implemented as a PHP error handler. It requires
* that constant ENABLE_ERROR_HANDLER be defined true.
*
* This method will first raise an {@link onError} event.
* If the error is not handled by any event handler, it will call
* {@link getErrorHandler errorHandler} to process the error.
*
* The application will be terminated by this method.
*
* @param integer $code the level of the error raised
* @param string $message the error message
* @param string $file the filename that the error was raised in
* @param integer $line the line number the error was raised at
*/
public function handleError($code, $message, $file, $line)
{
if ($code & error_reporting()) {
// disable error capturing to avoid recursive errors
restore_error_handler();
restore_exception_handler();
$log = "{$message} ({$file}:{$line})\nStack trace:\n";
$trace = debug_backtrace();
// skip the first 3 stacks as they do not tell the error position
if (count($trace) > 3) {
$trace = array_slice($trace, 3);
}
foreach ($trace as $i => $t) {
if (!isset($t['file'])) {
$t['file'] = 'unknown';
}
if (!isset($t['line'])) {
$t['line'] = 0;
}
if (!isset($t['function'])) {
$t['function'] = 'unknown';
}
$log .= "#{$i} {$t['file']}({$t['line']}): ";
if (isset($t['object']) && is_object($t['object'])) {
$log .= get_class($t['object']) . '->';
}
$log .= "{$t['function']}()\n";
}
if (isset($_SERVER['REQUEST_URI'])) {
$log .= 'REQUEST_URI=' . $_SERVER['REQUEST_URI'];
}
$this->displayError($code, $message, $file, $line);
try {
Events::instance()->raise('zool.error', $this, $code, $message, $file, $line);
} catch (Exception $e) {
$this->displayException($e);
}
try {
$this->end(1);
} catch (Exception $e) {
// use the most primitive way to log error
$msg = get_class($e) . ': ' . $e->getMessage() . ' (' . $e->getFile() . ':' . $e->getLine() . ")\n";
$msg .= $e->getTraceAsString() . "\n";
$msg .= "Previous error:\n";
$msg .= $log . "\n";
$msg .= '$_SERVER=' . var_export($_SERVER, true);
error_log($msg);
exit(1);
}
}
}
