<?php
$attack = 75;
$defense = 55;
$power = 65;
$level = 1;

$dmg = floor((($level / 50) * $attack / $defense) * $power);
$rolls = [$dmg - 2, $dmg - 1, $dmg, $dmg + 1, $dmg + 2];
foreach ($rolls as $yep) {
    if ($yep != $rolls[4]) {
        echo $yep . ', ';
    }
    else {
        echo $yep;
    }
}
?>