php中的foreach循环

browser1 browser2
browser3 browser4
...
browserN-1 browserN

$bIndex = 0;
foreach($browsers as $browser) 
{
    echo "<input type='checkbox'/>$browser";
    if (($bIndex % 2) == 1) { // only true for odd bIndex values
        echo "<br>";
    }
    $bIndex++;
}

foreach($browsers as $browser){
    echo '<p><input type="checkbox" /><label>'.$browser.'</label></p>';
}

label

name

echo "<p>";
for($i=0;$i<count($browsers);$i++) {
if($i>0 && ($i%2==0)) { echo "</p><p>"; }
echo "<input type='checkbox' name='browser[".$browsers[$i]."]' /><label>".$browsers[$i]."</label>";
}
echo "</p>";

$i=0;
echo "<p>";
foreach ($browsers as $randomstuff=>$browser) { //or whatever array structure.
if($i>0 && ($i%2==0)) { echo "</p><p>"; }
echo "<input type='checkbox' name='browser[".$browsers."]' /><label>".$browsers."</label>";
$i++;
}
echo "</p>";