Init and cleanup trace callbacks in tideways_enable()/tideways_disable().
Init and cleanup trace callbacks in tideways_enable()/tideways_disable().

lisa2lisa/php-profiler-extension,tideways/php-profiler-extension,tideways/php-profiler-extension,lisa2lisa/php-profiler-extension,krakjoe/php-profiler-extension,krakjoe/php-profiler-extension