PHP - Manual: SolrDocument::getFieldNames
2025-02-27
(PECL solr >= 0.9.2)
SolrDocument::getFieldNames — Returns an array of fields names in the document
此函数没有参数。
Returns an array containing the names of the fields in this document.
官方地址:https://www.php.net/manual/en/solrdocument.getfieldnames.php