| SolrUtils::escapeQueryCharsEscapes a lucene query string Description
   public static stringfalse SolrUtils::escapeQueryChars(string  $str)Lucene supports escaping special characters that are part of the query syntax. The current list special characters are: 
 + - && || ! ( ) { } [ ] ^ " ~ * ? : \ /These characters are part of the query syntax and must be escaped Parameters
 
 Return Values
  Returns the escaped string or  |