Rendering variables as serialized text: %xdebug.collect_params = 5% function result() {}; result("Oh no, what does this say?", 42); -> result(czoyNjoiT2ggbm8sIHdoYXQgZG9lcyB0aGlzIHNheT8iOw==, aTo0Mjs=) Shared secret for profiling and tracing with %profiler_enable_trigger_value% and %trace_enable_trigger_value%