Startup, Shutdown, and a Few Points in Between

SEVERAL TIMES THROUGH THE COURSE OF THIS BOOK you've used the MINIT function to perform initialization tasks when PHP loads your module's shared object library. In Chapter 1, "The PHP Life Cycle," however, you also learned of three other startup and shutdown routines that are part of every extensionone to balance MINIT, called MSHUTDOWN, and a pair of RINIT/RSHUTDOWN methods that are called at the start and end of every page request.