On October 20, 2009, Zend released a beta version of Zend Server 5.0, which includes a new feature, dubbed “Code Tracer.”

For the first time, PHP developers and administrators can quickly pinpoint the root cause of a problem in production by viewing a “digital documentary” of the execution of their application – similar to a black box flight recorder in an airplane – and avoid the time-consuming task of recreating the problem.