callable|null setExceptionHandler(callable $handler = null) Sets a user exception handler.

int screamAt(int $levels, bool $replace = false) Sets the error levels where the @-operator is

cleanLogs()

class BufferingLogger extends AbstractLogger A buffering logger that stacks logs for later.

bool handleError(int $type, string $message, string $file, int $line, array $context, array $backtrace = null)

class Debug Registers all the debug tools. Methods

array setLoggers(array $loggers) Sets a logger for each error level.

static stackErrors() Configures the error handler for delayed handling. Ensures

int scopeAt(int $levels, bool $replace = false) Sets the PHP error levels for which local variables

int throwAt(int $levels, bool $replace = false) Sets the PHP error levels that throw an exception