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 ( 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

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

相关文章
php directoryiterator determine if current directoryiterator item can be readphp directoryiterator determine if current directoryiterator item can be written tophp vector returns a representation that can be converted to jsonphp mongodb bson minkey returns a representation that can be converted to jsonphp mongodb bson regex returns a representation that can be converted to jsonphp mongodb bson timestamp returns a representation that can be converted to jsonphp outeriterator returns the inner iterator for the current entryphp recursivearrayiterator returns an iterator for the current entry if it is an array or an objectphp recursivearrayiterator returns whether current entry is an array or an objectphp recursivedirectoryiterator returns an iterator for the current entry if it is a directoryphp recursivedirectoryiterator returns whether current entry is a directory and not . or .. php recursivefilteriterator check whether the inner iterator s current element has childrenphp recursiveiterator returns an iterator for the current entryphp recursiveiterator returns if an iterator can be created for the current entryphp recursiveregexiterator returns an iterator for the current entryphp recursiveregexiterator returns whether an iterator can be obtained for the current entryphp reflectionparameter returns whether this parameter can be passed by valuephp solrquery returns whether or not the query will be boosted by the interesting term relevancephp splobjectstorage returns the data associated with the current iterator entryphp splobjectstorage returns if the current iterator entry is valid
关注编程学问公众号