SWF_NEXTID(3) 1 SWF_NEXTID(3) swf_nextid - Returns the next free object idSYNOPSISint swf_nextid (void )DESCRIPTIONThe swf_nextid(3) function returns the next available object id.RETURN VALUESReturns the id, as an integer. PHP Documentation Group SWF_NEXTID(3)