Fill True value in 2D Array if the numbers are in the result array or false if they are not

PHP
1

i wrote this code to fill true value in the 2D Array but i got only one True value.

<?php
$twoD = array(array());
$res = array(2, 3);
$x_len = 4;
$y_len = 4;

// fill the array
for ($x = 0; $x < $x_len; $x++) {
    for ($y = 0; $y < $y_len; $y++) {
        for ($r = 0; $r < count($res); $r++) {
            if ($y == $res[$r] and $x == $res[$r]) {
                $twoD[$x][$y] = 'True';
            } else {
                $twoD[$x][$y] = 'False';
            }
        }
    }
}

// print the array
for ($r = $x_len; $r > 0; $r--) {
    for ($c = 0; $c < $y_len; $c++)
        echo $twoD[$r - 1][$c];
    echo "<br/>";
}
?>

i got this result:
FalseFalseFalseTrue
FalseFalseFalseFalse
FalseFalseFalseFalse
FalseFalseFalseFalse

the result must be like this because $res = array(2, 3);
FalseFalseFalseTrue
FalseFalseTrueFalse
FalseFalseFalseFalse
FalseFalseFalseFalse

Please help and thank you in advance.
Safoh

2

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