1. a. Write down the source code which generates the HTML page below. Take into account that the information on the page will be submitted using the "POST" method and submission will be made to a PHP page named "w.php". Create My Table Number of Rows: Number of Columns : Submit b. Taking the code into account that you wrote for section "a", write the source code for w.php. W.php aims to draw a table with a border sized as 1 where each cell is numbered from left to right and up to down. Below is a screenshot of a sample run for w.php where the number of rows is 3 and the number of columns is 4. 1 2 3 4 15 6 7 8 9 10 11 12