• 首页
  • vue
  • TypeScript
  • JavaScript
  • scss
  • css3
  • html5
  • php
  • MySQL
  • redis
  • jQuery
  • RecursiveIterator::hasChildren()

    (PHP 5 >= 5.1.0, PHP 7)

    Returns if an iterator can be created for the current entry

    说明

    publicRecursiveIterator::hasChildren(void): bool

    Returns if an iterator can be created for the current entry.RecursiveIterator::getChildren().

    参数

    此函数没有参数。

    返回值

    Returns TRUE if the current entry can be iterated over, otherwise returns FALSE.

    参见

    • RecursiveIterator::getChildren() Returns an iterator for the current entry