(PECL solr >= 0.9.2)
SolrQuery::setHighlightSimplePre — Sets the text which appears before a highlighted term
$simplePre
   [, string $field_override
  ] ) : SolrQuerySets the text which appears before a highlighted term
The default is <em>
simplePreThe text which appears before a highlighted term
field_overrideThe name of the field.
Returns the current SolrQuery object, if the return value is used.