Php/docs/recursiveregexiterator.haschildren

• PHP Manual
• RecursiveRegexIterator
• Returns whether an iterator can be obtained for the current entry

RecursiveRegexIterator::hasChildren

(PHP 5 >= 5.2.0, PHP 7)

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.

范例

Example #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());}?>

以上例程会输出：

bool(false)
bool(true)

参见

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