RecursiveCallbackFilterIterator::hasChildren

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

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

Description

public RecursiveCallbackFilterIterator::hasChildren(): bool

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

Parameters

This function has no parameters.

Return Values

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

Examples

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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