Returns the number of child documents

# SolrDocument::getChildDocumentsCount

(PECL solr >= 2.3.0)

SolrDocument::getChildDocumentsCount — Returns the number of child documents

### 説明

public SolrDocument::getChildDocumentsCount ( void ) : int

Returns the number of child documents

### パラメータ

この関数にはパラメータはありません。

### 返り値

### 参考

- SolrDocument::hasChildDocuments() - Checks whether the document has any child documents
- SolrDocument::getChildDocuments() - Returns an array of child documents (SolrDocument)