Parse error: syntax error, unexpected ‘[‘, expecting ‘,’ or ‘;’ in E:xamppoldhtdocstestts4-ajax.php on line 11 [closed]

And here is line number 11

<span class="tStat s<?=$t["ticket_status"]?>"><?=TKT_STAT[$t["ticket_status"]]?></span>

I am trying to solve it but didn’t getting results.