(PHP 5 >= 5.4.0, PHP 7)
Check whether the inner iterator's current element has children
public bool RecursiveCallbackFilterIterator::hasChildren ( void )
Returns TRUE if the current element has children, FALSE otherwise.
Returns:
Returns TRUE if the current element has children, FALSE otherwise.
Examples:
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 -
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