/**
* Lightwork shutdown function
*
* This function gets executed everytime a script finishes in order to clean stuff up and log some final debug messages.
*
* @param float $start The start microtime of this request
*/
function shutdown($start)
{
$error = error_get_last();
// Get the last error that occured...
if (!empty($error)) {
Lightwork::Log(sprintf('Shutdown with error: [%s] %s in %s at %s (php.log may contain more info)', $error['type'], $error['message'], $error['file'], $error['line']), Lightwork::LOG_ERROR);
}
// ...and log it - it might proof useful
if (METHOD != 'CLI') {
Lightwork::Log('Request ended with status ' . http_response_code(), Lightwork::LOG_DEBUG);
}
// Log the status the request ended with if this is not a CLI request
if (LOG_DATABASE) {
Lightwork::Log(Database::Queries() . ' queries were executed for this request.', Lightwork::LOG_DEBUG);
}
// Log how many queries were executed
if (LOG_INCLUDES) {
$history = 'Used files:';
$files = get_included_files();
// Get all files that were included...
foreach ($files as $file) {
$history .= ' > ' . basename($file, '.php');
// ...and log them - this might be useful for debugging and performance optimization
}
Lightwork::Log('A total of ' . count($files) . ' files were used for this request.', Lightwork::LOG_DEBUG);
// Log the amount of files included...
Lightwork::Log($history, Lightwork::LOG_DEBUG);
// ...and the actual history of files
}
if (LOG_MEMORYUSAGE) {
// Measure memory usage and memory limit
Lightwork::Log('Memory usage: ' . number_format(memory_get_usage() / 1024 / 1024, 2) . 'MB/' . ini_get('memory_limit') . 'B (peak: ' . number_format(memory_get_peak_usage() / 1024 / 1024, 2) . ')', Lightwork::LOG_DEBUG);
}
if (LOG_PERFORMANCE) {
// Measure the time that passed since initialization and script shutdown
Lightwork::Log('Execution time: ' . number_format(microtime(true) - $start, 3) . 's', Lightwork::LOG_DEBUG);
}
// If wanted, log execution time
Lightwork::Flush();
// Flush log file to disk
}
