PHP - Manual: SolrDocument::getFieldNames
2024-11-14
(PECL solr >= 0.9.2)
SolrDocument::getFieldNames — Returns an array of fields names in the document
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