IT-WST03

<?php

// Define the size of each cell
$size = "100px";
$color1 = "white";
$color2 = "green";

echo "<table style='border-collapse: collapse; border: 1px solid black; margin: auto;'>";

for ($a = 0; $a < 8; $a++) {
  echo "<tr>";
  for ($b = 0; $b < 8; $b++) {
    $color = ($a + $b) % 2 == 0 ? $color1 : $color2;
    echo "<td style='width: $size; height: $size; background-color: $color;'></td>";
  }
  echo "</tr>";
}

echo "</table>";
?>