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use IlluminateSupportFacadesLog;
...
try {
    // some code
} catch (Exception $e) {
    Log::error('Error message: '.$e->getMessage().', Error code: '.$e->getCode());
}

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// set error reporting level to E_ALL
error_reporting(E_ALL); 

// or, hide all errors
error_reporting(0); 

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// set error reporting level to E_ALL
error_reporting(E_ALL);
// some code

// set error reporting level to 0
error_reporting(0);
// some other code

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public function render($request, Exception $exception)
{
    if($exception instanceof CustomException) {
        return response()->view('errors.custom', [], 500);
    }

    return parent::render($request, $exception);
}

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