RecursiveRegexIterator::hasChildren

(PHP 5 >= 5.2.0, PHP 7)

RecursiveRegexIterator::hasChildrenReturns whether an iterator can be obtained for the current entry

说明

public bool RecursiveRegexIterator::hasChildren ( void )

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

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