$this->db = wfGetDB( DB_SLAVE );
}
}
+
+ /**
+ * Return a 'cleaned up' search string
+ *
+ * @param string $text
+ * @return string
+ */
+ protected function filter( $text ) {
+ $lc = $this->legalSearchChars();
+ return trim( preg_replace( "/[^{$lc}]/", " ", $text ) );
+ }
}