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RecursiveCallbackFilterIterator::hasChildren

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

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

Descrizione

public function RecursiveCallbackFilterIterator::hasChildren(): bool

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

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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

Esempi

Example #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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