(PECL solr >= 0.9.2)
SolrQuery::getHighlight — Returns the state of the hl parameter
public SolrQuery::getHighlight ( ) : bool
Returns a boolean indicating whether or not to enable highlighted snippets to be generated in the query response.
This function has no parameters.
Returns a boolean on success and null if not set.
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https://www.php.net/manual/en/solrquery.gethighlight.php