PHP - Manual: SolrDocument::fieldExists
2024-12-21
(PECL solr >= 0.9.2)
SolrDocument::fieldExists — Checks if a field exists in the document
$fieldName
): boolChecks if the requested field as a valid fieldname in the document.
fieldName
The name of the field.
Returns true
if the field is present and false
if it does not.
官方地址:https://www.php.net/manual/en/solrdocument.fieldexists.php