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RecursiveRegexIterator::hasChildren

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

RecursiveRegexIterator::hasChildren — Returns whether an iterator can be obtained for the current entry

说明

public RecursiveRegexIterator::hasChildren(): 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.

示例

示例 #1 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());
}
?>

以上示例会输出：

bool(false)
bool(true)

参见