Specifies the backup field to use

SolrQuery::setHighlightAlternateField

(PECL solr >= 0.9.2)

SolrQuery::setHighlightAlternateField — Specifies the backup field to use

public SolrQuery SolrQuery::setHighlightAlternateField ( string $field [, string $field_override ] )

If a snippet cannot be generated because there were no matching terms, one can specify a field to use as the backup or default summary

field: The name of the backup field
field_override: The name of the field we are overriding this setting for.

Returns the current SolrQuery object, if the return value is used.