RecursiveCallbackFilterIterator::hasChildren
(PHP 5 >= 5.4.0, PHP 7)
RecursiveCallbackFilterIterator::hasChildren — Check whether the inner iterator's current element has children
Descrierea
public RecursiveCallbackFilterIterator::hasChildren
(
) : bool
Returns true if the current element has children, false otherwise.
Parametri
Această funcție nu are parametri.
Valorile întoarse
Returns true if the current element has children, false otherwise.
Exemple
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;
});
?>
A se vedea și
- RecursiveCallbackFilterIterator Examples
- RecursiveCallbackFilterIterator::__construct() - Create a RecursiveCallbackFilterIterator from a RecursiveIterator
- RecursiveCallbackFilteriterator::getChildren() - Return the inner iterator's children contained in a RecursiveCallbackFilterIterator
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