(PECL apcu >= 5.0.0)
APCUIterator::next — Move pointer to next item
Moves the iterator pointer to the next element.
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷 锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷
TRUE
FALSE