php循环解决办法

$arr = array(
    '//m.sbmmt.com/m/faq/images/small_case_1.jpg',
    'images/small_case_2.jpg',
    'images/small_case_3.jpg',
    'images/small_case_4.jpg',
    'images/small_case_5.jpg',
    'images/small_case_6.jpg',
    'images/small_case_7.jpg',
    'images/small_case_8.jpg',
    'images/small_case_9.jpg'
);

function arr2li($arr){
    $html  = '';
    if(is_array($arr) && !empty($arr)){
        $count = count($arr);
        for($i=0; $i            $rem = $i%3;
            $html .= ($i!=0 && $rem==0) ? "\n\r\n\r" : "";
            $html .= ($rem==0) ? "

$result=mysql_query("select * from case_list"); 
while($row=mysql_fetch_assoc($result)){
       $ar[]=$row;
}
foreach(array_chunk($ar,3) as $v){
    echo "