I am a novice and I work in PHP. And I do not know anything about xml. My English is not very good. If you see a typo, please edit it
Please see the code below
<?php
header("Content-type: text/xml");
$array = ["a", "b", "c"];
echo $array[0];
There is a problem with the output and I can not use the echo. The photo below is my output
please guide me
