( ! ) Notice: Undefined index: topics in /htdocs/site/20190415/topics.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.0003356656{main}( ).../topics.php:0
Dump $_SERVER
Dump $_GET
Dump $_POST
Dump $_COOKIE
Dump $_FILES
Dump $_ENV
Dump $_SESSION
Dump $_REQUEST

( ! ) Warning: Invalid argument supplied for foreach() in /htdocs/site/20190415/topics.php on line 5
Call Stack
#TimeMemoryFunctionLocation
10.0003356656{main}( ).../topics.php:0