Question

I got an html table, and I use some loop to get some data, this data is displaying this way:

<tr><td>Data</td></tr>
... next loop

But I wan’t it to close table row (tr) every 2 or even 3 loops. So the data may look like this:

<tr>
<td>Data</td>
<td>Data1</td>
<td>Data2</td>
</tr>

...next loop...

Will you help me with this?

Answer 1

If you have some counter in your loop you can use Modulus for this.

It’s basically what’s left of a number if you divide it.

Example:

for($i = 1; $i < 11; $i++) {
    if ($i % 2 === 0) {
        print('this is printed every two times');
    }
    if ($i % 3 === 0) {
        print('this is printed every three times');
    }
}

If you use a foreach() in stead you should just make a counter yourself (as Link stated you could also use the key of an array if it contains nice incremental keys):

$i = 1;
foreach($array as $item) {
    if ($i % 2 === 0) {
        print('this is printed every two times');
    }
    if ($i % 3 === 0) {
        print('this is printed every three times');
    }
    $i++;
}

Or in your specific case it would look something like:

print('<tr>');
$i = 1;
foreach($array as $item) {
    if ($i % 3 === 0) {
        print("</tr>\n<tr>");
    }
    print("<td>$item</td>\n");
    $i++;
}
print('</tr>');

The above is just a basic example.

You should also check whether the number of the columns is balanced and if not either add a colspan or an empty columns to balance it.