(PECL solr >= 0.9.2)
SolrClient::deleteByQuery — Deletes all documents matching the given query
public SolrClient::deleteByQuery ( string $query ) : SolrUpdateResponse
Deletes all documents matching the given query.
query
The query
Returns a SolrUpdateResponse on success and throws an exception on failure.
Throws SolrClientException if the client had failed, or there was a connection issue.
Throws SolrServerException if the Solr Server had failed to process the request.
Example #1 SolrQuery::deleteByQuery() example
<?php $options = array ( 'hostname' => SOLR_SERVER_HOSTNAME, 'login' => SOLR_SERVER_USERNAME, 'password' => SOLR_SERVER_PASSWORD, 'port' => SOLR_SERVER_PORT, ); $client = new SolrClient($options); //This will erase the entire index $client->deleteByQuery("*:*"); $client->commit(); ?>
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https://www.php.net/manual/en/solrclient.deletebyquery.php