RecursiveCallbackFilterIterator::hasChildren
RecursiveCallbackFilterIterator::hasChildren
(PHP 5 >= 5.4.0, PHP 7)
RecursiveCallbackFilterIterator::hasChildren — Check whether the inner iterator's current element has children
Description
public bool RecursiveCallbackFilterIterator::hasChildren ( void )
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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https://secure.php.net/manual/en/recursivecallbackfilteriterator.haschildren.php