How can I create a pyramid from using php?

Question

I need to create a pyramid using asterisks. I specify a value which becomes the base of the pyramid. The base contains as much asterisks as the value specified and the pyram

Answer 1

Diamond Shape

                   * 
                  *  * 
                *  *  * 
              *  *  *  * 
            *  *  *  *  * 
          *  *  *  *  *  * 
        *  *  *  *  *  *  * 
      *  *  *  *  *  *  *  * 
    *  *  *  *  *  *  *  *  * 
  *  *  *  *  *  *  *  *  *  * 
 *  *  *  *  *  *  *  *  *  *  * 
  *  *  *  *  *  *  *  *  *  * 
    *  *  *  *  *  *  *  *  * 
      *  *  *  *  *  *  *  * 
       *  *  *  *  *  *  * 
         *  *  *  *  *  * 
           *  *  *  *  * 
            *  *  *  * 
              *  *  * 
                *  * 
                 * 



$i; $j--)
                {
                    echo "  ";    
                }
                for($j=$num2; $j<=$i; $j++)
                {
                    echo " * ";   
                }
                echo "
";
            }

            for($i=$num2; $i<=$num; $i++)
            {       
                for($j=$num2; $j<=$i; $j++)
                {
                    echo "  ";    
                }
                for($j=$half; $j>$i; $j--)
                {
                    echo " * ";
                }
                echo "
 ";

            }

    ?>