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;
});
?>
See Also
- 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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