Returns the number of child documents

# SolrInputDocument::getChildDocumentsCount

(PECL solr >= 2.3.0)

SolrInputDocument::getChildDocumentsCount — Returns the number of child documents

### 説明

public SolrInputDocument::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

- SolrInputDocument::addChildDocument() - Adds a child document for block indexing
- SolrInputDocument::addChildDocuments() - Adds an array of child documents
- SolrInputDocument::hasChildDocuments() - Returns true if the document has any child documents
- SolrInputDocument::getChildDocuments() - Returns an array of child documents (SolrInputDocument)