PHP shutdown function useful for debugging

php die helpfully.php

register_shutdown_function(function() {
	$e = error_get_last();
	if($e !== null) {
		gc_mem_caches();
		$str = 'E(' . $e['type'] . '): ' . $e['message'] . PHP_EOL;
		$line = 1;
		$pad = strlen((string) $e['line'] + 2) + 3;
		$fh = fopen($e['file'], 'r');
		while (($buffer = fgets($fh)) !== FALSE) {
			if ($line >= $e['line'] - 2 && $line <= $e['line'] + 2) {
				if ($line == $e['line']) {
					$str .= str_pad($line . ' ->', $pad);
				} else {
					$str .= str_pad($line . '.', $pad);
				}
				$str .= $buffer;
			}
			$line++;
		}
		fclose($fh);
		$str .= $e['file'];
		echo 'PHP died:' . PHP_EOL . $str;
	}
});