(PHP 5 >= 5.4.0, PHP 7)
RecursiveCallbackFilterIterator::hasChildren — Check whether the inner iterator's current element has children
public RecursiveCallbackFilterIterator::hasChildren ( ) : bool
Returns true if the current element has children, false otherwise.
This function has no parameters.
Returns true if the current element has children, false otherwise.
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;
});
?>
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/recursivecallbackfilteriterator.haschildren.php