RecursiveRegexIterator::getChildren

(PHP 5 >= 5.2.0, PHP 7)

RecursiveRegexIterator::getChildren — Returns an iterator for the current entry

说明

public RecursiveRegexIterator::getChildren ( void ) : RecursiveRegexIterator

Returns an iterator for the current iterator entry.

参数

此函数没有参数。

返回值

An iterator for the current entry, if it can be iterated over by the inner iterator.

错误／异常

An InvalidArgumentException will be thrown if the current entry does not contain a value that can be iterated over by the inner iterator.

范例

Example #1 RecursiveRegexIterator::getChildren() example

 <?php
$rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5')));
$rRegexIterator = new RecursiveRegexIterator($rArrayIterator, '/^test/',
    RecursiveRegexIterator::ALL_MATCHES);

foreach ($rRegexIterator as $key1 => $value1) {

    if ($rRegexIterator->hasChildren()) {

        // print all children
        echo "Children: ";
        foreach ($rRegexIterator->getChildren() as $key => $value) {
            echo $value . " ";
        }
        echo "\n";
    } else {
        echo "No children\n";
    }

}
?>

以上例程会输出：

No children
Children: test4 test5

参见

RecursiveRegexIterator::hasChildren() - Returns whether an iterator can be obtained for the current entry

php imagickdraw returns the current text antialias setting php imagickpixeliterator returns the current pixel iterator row php intlbreakiterator set the iterator position to the boundary immediately before the current php outeriterator returns the inner iterator for the current entry php pharfileinfo returns whether the entry is compressed using bzip2 php recursivearrayiterator returns an iterator for the current entry if it is an array or an object php recursivearrayiterator returns whether current entry is an array or an object php recursivecachingiterator check whether the current element of the inner iterator has children php recursivedirectoryiterator returns an iterator for the current entry if it is a directory php recursivedirectoryiterator returns whether current entry is a directory and not . or .. php recursiveiterator returns an iterator for the current entry php recursiveiterator returns if an iterator can be created for the current entry php recursiveregexiterator returns an iterator for the current entry php recursiveregexiterator returns whether an iterator can be obtained for the current entry php splobjectstorage returns the current storage entry php splobjectstorage returns the data associated with the current iterator entry php splobjectstorage returns the index at which the iterator currently is php splobjectstorage sets the data associated with the current iterator entry php splobjectstorage returns if the current iterator entry is valid php swoole connection iterator return current connection entry.