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PHP for loop Exercises : Create a chess board using for loop

PHP for loop: Exercise-9 with Solution

Write a PHP script using nested for loop that creates a chess board as shown below.

Use table width="270px" and take 30px as cell height and width.

chess board

Sample Solution:

PHP Code:

<!DOCTYPE html>
     <html> 
     <head> 
  <title></title>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body> 
  <h3>Chess Board using Nested For Loop</h3>
   <table width="270px" cellspacing="0px" cellpadding="0px" border="1px">
   <!-- cell 270px wide (8 columns x 60px) -->
      <?php
      for($row=1;$row<=8;$row++)
	  {
          echo "<tr>";
          for($col=1;$col<=8;$col++)
		  {
          $total=$row+$col;
          if($total%2==0)
		  {
          echo "<td height=30px width=30px bgcolor=#FFFFFF></td>";
          }
		  else
		  {
          echo "<td height=30px width=30px bgcolor=#000000></td>";
          }
          }
          echo "</tr>";
    }
          ?>
  </table>
  </body>
  </html>

View the output in the browser

Flowchart:

Flowchart: Create a chess board using for loop

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Previous: Write a PHP script that creates the specific table using for loops. Add cellpadding="3px" and cellspacing="0px" to the table tag.
Next: Write a PHP script that creates the specific table (use for loops).

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PHP: Tips of the Day

PHP: Remove first 4 characters of a string with PHP

You could use the substr function to return a substring starting from the 5th character:

$str = "The quick brown fox jumps over the lazy dog."
$str2 = substr($str, 4); // "quick brown fox jumps over the lazy dog."

Ref : https://bit.ly/2LJDLQx