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RecursiveCallbackFilterIterator::hasChildren

(PHP 5 >= 5.4.0, PHP 7, PHP 8)

RecursiveCallbackFilterIterator::hasChildrenCheck whether the inner iterator's current element has children

Açıklama

public RecursiveCallbackFilterIterator::hasChildren(): bool

Returns true if the current element has children, false otherwise.

Bağımsız Değişkenler

Bu işlevin bağımsız değişkeni 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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