PHP Taskbook Level 9.6
Generate an HTML table colored like a checkerboard.
The following array is given:
$arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
From the given array, dynamically create an HTML table of 5 columns.
Given an arbitrary two-dimensional array:
[
[11, 12, 13, 14, 15],
[21, 22, 23, 24, 25],
[31, 32, 33, 34, 35],
[41, 42, 43, 44, 45],
[51, 52, 53, 54, 55],
]
Zero out the elements below the main diagonal:
[
[11, 12, 13, 14, 15],
[ 0, 22, 23, 24, 25],
[ 0, 0, 33, 34, 35],
[ 0, 0, 0, 44, 45],
[ 0, 0, 0, 0, 55],
]
Given some URL:
$url = 'http://test.com/dir1/dir2/dir3/page.html';
Given variables:
$num = 2;
$val = 'eee'
Replace the folder number $num in the URL with the value $val:
'http://test.com/dir1/eee/dir3/page.html';
