RecursiveCallbackFilterIterator::hasChildren

(PHP 5 >= 5.4.0)

RecursiveCallbackFilterIterator::hasChildren — Check whether the inner iterator's current element has children

Описание

public void RecursiveCallbackFilterIterator::hasChildren ( void )

Returns TRUE if the current element has children, FALSE otherwise.

Список параметров

У этой функции нет параметров.

Возвращаемые значения

Returns TRUE if the current element has children, FALSE otherwise.

Примеры

Пример #1 RecursiveCallbackFilterIterator::hasChildren() basic usage


<?php

$dir = new FilesystemIterator(__DIR__);

// Recursively iterate over XML files
$files = new RecursiveCallbackFilterIterator($dir, function ($current, $key, $iterator) {
    // Allow recursion into directories
    if ($iterator->hasChildren()) {
        return TRUE;
    }
    // Check for XML file
    if (!strcasecmp($current->getExtension(), 'xml')) {
        return TRUE;
    }
    return FALSE;
});

?>

Смотрите также

RecursiveCallbackFilterIterator Examples
RecursiveCallbackFilterIterator::__construct() - Create a RecursiveCallbackFilterIterator from a RecursiveIterator
RecursiveCallbackFilteriterator::getChildren() - Return the inner iterator's children contained in a RecursiveCallbackFilterIterator