The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
XHPROF_FLAGS_NO_BUILTINS
(int)
Used to skip all built-in (internal) functions.
XHPROF_FLAGS_CPU
(int)
Used to add CPU profiling information to the output.
XHPROF_FLAGS_MEMORY
(int)
Used to add memory profiling information to the output.