_backdrop_decode_exception in includes/errors.inc

Decodes an exception and retrieves the correct caller.

_backdrop_error_handler_real in includes/errors.inc

Provides custom PHP error handling.

BackdropTestCase::errorHandler in modules/simpletest/backdrop_web_test_case.php

Handle errors during test runs.

BackdropTestCase::exceptionHandler in modules/simpletest/backdrop_web_test_case.php

Handle exceptions.

BackdropTestCase::getAssertionCall in modules/simpletest/backdrop_web_test_case.php

Cycles through backtrace until the first non-assertion method is found.

watchdog_deprecated_function in includes/bootstrap.inc

Logs a deprecation warning.