RecursiveCallbackFilterIterator::hasChildren

(PHP 5 >= 5.4.0, PHP 7)

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

Açıklama

public RecursiveCallbackFilterIterator::hasChildren ( void ) : bool

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

Değiştirgeler

Bu işlevin değiştirgesi yoktur.

Dönen Değerler

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

Örnekler

Örnek 1 RecursiveCallbackFilterIterator::hasChildren() basic usage

<?php

$dir = new RecursiveDirectoryIterator(__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;
});

?>

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