0 on success or, if the contend ends before the skip destination was reached, - the object nesting level if an object was skipped, - the array nesting level if an array was skipped, - 1 if a name was skipped and the contend ends just after that name.
Skips the current member so that the next member is reached by a next() call or in the next 'foreach' iteration cycle. That is, - if the current token denotes an object or array beginning, to the corresponding object/array end token, - if the current token is a name, steps over the name, - if the current member is a value, does nothing.