RecursiveCallbackFilterIterator::hasChildren
PHP function
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(PHP 5 >= 5.4.0, PHP 7, PHP 8)
Check whether the inner iterator's current element has children
Description
RecursiveCallbackFilterIterator::hasChildren(): bool
Returns true if the current element has children, false otherwise.
Parameters Parameters
Return Values
Returns true if the current element has children, false otherwise.
Examples
RecursiveCallbackFilterIterator::hasChildren basic usage
php
<?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::__constructRecursiveCallbackFilterIterator::getChildren