Alternating rows and differentiated colours

for a long time the standard way of having alternate rows of a table (or whatever) in different colours has been to use the modulus.

something like this

 
while($row = mysql_fetch_assoc($result)){ 
    $testCount++;
    $style = (($testCount % 2)==0) ? 'row_even' : 'row_odd';
    echo "<div class=\"$style\">some information</div>";
}

but this seems one step more than necessary and I typically use just a ternary statement with a simple equality comparison (as opposed to needing the more complex math of a modulus and an increment).

$style = '';
while ($row=mysql_fetch_assoc($result)){
    $style = ($style === 'row_even') ? 'row_odd': 'row_even';
    echo "<div class=\"$style\">some information</div>";
}

by way of example, this script (using an array as dummied database data) produces the output shown below.

echo <<<CSS
<style type="text/css">
.row_odd {background-color:green;}
.row_even {background-color:blue;}
.row {width: 100px;}
</style>
 
CSS;
$array = array ('apples','oranges', 'carrots', 'leeks'); //dummy data
 
$style = ''; //initiate the variable
foreach ($array as $item){
	$style = ($style === 'row_even') ? 'row_odd' : 'row_even';
	echo "<div class=\"row $class\">$item</div>\r\n";
}

output (apologies for colours): …

.row_odd {background-color:green;} .row_even {background-color:blue;} .row {width: 100px;}

CSS;
$array = array (‘apples’,’oranges’, ‘carrots’, ‘leeks’); //dummy data
$style = ”; //initiate the variable
foreach ($array as $item){
$style = ($style === ‘row_even’) ? ‘row_odd’ : ‘row_even’;
echo “

\r\n”;
}
?>