RecursiveCallbackFilterIterator::hasChildren

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

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

Descrizione

public 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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