? DirectoryIterator::valid
EmptyIterator::current ?
PHP Manual
迭代器
The EmptyIterator class
The EmptyIterator class
(PHP 5 >= 5.1.0, PHP 7)
简介
The EmptyIterator class for an empty iterator.
类摘要
EmptyIterator
implements
Iterator
{
/* 方法 */
public
mixed
current
(
void
)
public
scalar
key
(
void
)
public
void
next
(
void
)
public
void
rewind
(
void
)
public
bool
valid
(
void
)
}
Table of Contents
EmptyIterator::current
— The current() method
EmptyIterator::key
— The key() method
EmptyIterator::next
— The next() method
EmptyIterator::rewind
— The rewind() method
EmptyIterator::valid
— The valid() method