title: Fatal error: Uncaught Error: Call to undefined function ereg()
body: <p>I am using php v7.3.2 on Centos 7.6.<br>
  Before upgrading php the version was 5.4.<br>
  In v 5.4 i had no errors.<br>
  But in v 7.3.2 i got this error :   </p>
  
  <blockquote>
    <p>Fatal error: Uncaught Error: Call to undefined function ereg() in
    /usr/local/IBSng/interface/xmlrpc/xmlrpc.inc:1307 Stack trace: #0
    /usr/local/IBSng/interface/xmlrpc/xmlrpc.inc(1284):
    xmlrpcmsg->parseResponse('HTTP/1.0 200 OK...') #1
    /usr/local/IBSng/interface/xmlrpc/xmlrpc.inc(931):
    xmlrpcmsg->parseResponseFile(Resource id #21) #2
    /usr/local/IBSng/interface/xmlrpc/xmlrpc.inc(872):
    xmlrpc_client->sendPayloadHTTP10(Object(xmlrpcmsg), '127.0.0.1',
    '1235', 240, '', '') #3
    /usr/local/IBSng/interface/IBSng/inc/xmlrpc.php(43):
    xmlrpc_client->send(Object(xmlrpcmsg), 240) #4
    /usr/local/IBSng/interface/IBSng/inc/xmlrpc.php(27):
    IBSxmlrpc->__sendXmlRpcRequest(Object(xmlrpcmsg), 240) #5
    /usr/local/IBSng/interface/IBSng/inc/request.php(60):
    IBSxmlrpc->sendRequest('login.login', Array) #6
    /usr/local/IBSng/interface/IBSng/inc/auth.php(144): Request->send() #7
    /usr/local/IBSng/interface/IBSng/inc/auth.php(111):
    Auth->__sendAuthRequest() #8
    /usr/local/IBSng/interface/IBSng/inc/auth.php(94):
    Auth->__authenticateUser() #9 /usr/local/IBSng/ in
    /usr/local/IBSng/interface/xmlrpc/xmlrpc.inc on line 1307</p>
  </blockquote>
  
  <p>What is that error mean &amp; how can i fix it?    </p>