LimitIterator::valid()

(PHP 5 >= 5.1.0, PHP 7)

Check whether the current element is valid

说明

publicLimitIterator::valid( void) : bool

Checks whether the current element is valid.

参数

此函数没有参数。

返回值

成功时返回TRUE，或者在失败时返回FALSE。

参见

• LimitIterator::current() Get current element
• LimitIterator::key() Get current key
• LimitIterator::rewind() Rewind the iterator to the specified starting offset
• LimitIterator::next() Move the iterator forward
• LimitIterator::seek() Seek to the given position