remove what little API docs we have here, and the simple example in this doc is a lot easier to follow than ext/filter.
…ould make PHP register the variable, returning 0 shouldn't. The new length of the variables being filtered is now returned in the new_val_len argument of the function.
into entities or use some other mechanism which causes the filtered data to be longer than the original data. Ergo, pass in the address of the buffer instead so the filter is free to reallocate it.
@- Input Filter support added. See README.input_filter. (Rasmus)