RemoveCallback
RemoveCallback — Unregisters any callback registered for the given reason
Synopsis
$plot->RemoveCallback($reason
)
Description
RemoveCallback
unregisters any callback registered
for the given reason.
It undoes the effect of SetCallback.
Return Value
Returns True if the given reason is valid (whether or not
there was actually a callback registered for it).
Returns False if reason is not a valid callback reason.
History
This function and the callbacks implementation were added in PHPlot-5.0.4
as an experimental feature. Callbacks were first documented in this manual
as of PHPlot-5.0.5 and are no longer considered experimental.