PHP - Alternating row background colors

<?php

/*Description:
| This will output a table with alternating row background colors. with this the
| user can read the entries much easier|
------------------------------------------------------------------------------*/


     
// just some random data in an array
$data = array('this','is','just','an','example','to','show','the','alternating','row','colors');
$rows = count($data);

// the two colors to switch between
$rowcolor1 = '#F0F0F2';
$rowcolor2 = '#FFFFFF';

// the background colors on mouseover
$hovercolor1 = '#BAD4EB';
$hovercolor2 = '#DCE9F4';

echo '
<table style="caption-side: top;
    border: 0.1em solid #eee;
    border-collapse: collapse;
    margin: 1em;
    width: 30em;">
    <caption style="font-weight: bold;">Demonstration of alternate row colors</caption>';

for($n = 0; $n < $rows; $n++)
{
    // this is where the magic happens
    if($n % 2 == 1)
    {
        // add more things to swop with each cycle
        $style = $rowcolor1;
        $hoverstyle = $hovercolor1;
    }else{
        $style = $rowcolor2;
        $hoverstyle = $hovercolor2;
    }

    echo '
    <tr id="row'.$n.'" style="background:'.$style.';"
        onmouseover="this.style.background="'.$hoverstyle.'"
        onmouseout="this.style.background="'.$style.'">
        <td style="padding: 0.3em 1em;">'.$data[$n].'</td>
    </tr>';
}

echo '</table>';