How do I display more than one column from a php while loop calling one field?

I want the information I retrieved with the while loop to be displayed in 3 columns and start a new row after the 3 columns.

In this example a table is used:

// here you can set the number of columns
$numOfCols = 3;

// this is a counter
$numOfEntries = 0;

echo "<table>";
while( ... ) {
// first check if a new row is starting
if ($numOfEntries % $numOfCols == 0){
// a new row is starting
echo "<tr>";
}

echo "<td>";
// print out your data
echo "</td>";

// at last check if this is the end of the row
if ($numOfEntries % $numOfCols == $numOfCols -1){
// close the row
echo "</tr>";
}
$numOfEntries ++;
}

// check if the last row is not closed
// $numOfEntris was inceremented(!)

if ($numOfEntris % $numOfCols != 0){
// it would be nice to print some empty cell here
// close the last row
echo "</tr>";
}

echo "</table>";

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