RecursiveRegexIterator::hasChildren()

(PHP 5 >= 5.2.0, PHP 7)

Returns whether an iterator can be obtained for the current entry

说明

publicRecursiveRegexIterator::hasChildren(void): bool

Returns whether an iterator can be obtained for the current entry. This iterator can be obtained via RecursiveRegexIterator::getChildren().

参数

此函数没有参数。

返回值

Returns TRUE if an iterator can be obtained for the current entry, otherwise returns FALSE.

范例

RecursiveRegexIterator::hasChildren() example

<?php
$rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5')));
$rRegexIterator = new RecursiveRegexIterator($rArrayIterator, '/^test/',
    RecursiveRegexIterator::ALL_MATCHES);
foreach ($rRegexIterator as $value) {
    var_dump($rRegexIterator->hasChildren());
}
?>

以上例程会输出：

bool(false)
bool(true)

参见

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