Online PHP editor | refs for j5tsm

@ 2022-08-14T16:29:38Z

<?php

$a = [1, 2, 3, 4, 3, 2, 1];

$j = count($a) - 1;

$output = [];

for($i = 0; $i > count($a); $i++) {
   if ($a[i] !== $a[j]) {
       $output = $a[i];
   } 
}

print_r($output);