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  • AppendIterator::valid()

    (PHP 5>=5.1.0,PHP 7)

    Checks validity of the current element

    说明

    publicAppendIterator::valid(void) : bool

    Checks validity of the current element.

    参数

    此函数没有参数。

    返回值

    ReturnsTRUEif the current iteration is valid,FALSEotherwise.

    参见

    • AppendIterator::current() Gets the current value
    • AppendIterator::key() Gets the current key
    • AppendIterator::next() Moves to the next element
    • AppendIterator::rewind() Rewinds the Iterator