/*
* 过滤数组中title的数据,其他不变
* $list为二维数组
Array(
[0] => Array(
[id] => 242
[location] => 2
[type] => 4
)
[1] => Array(
[id] => 242
[location] => 2
[type] => 4
)
)
*/
foreach ($list AS $k => $v) {
while ($key = key($v)) {
//$key为‘title‘
if($key == ‘title‘){
$list[$k][$key] = trim(checkTextSpecification($v[$key]));
}else{
$list[$k][$key] = trim($v[$key]);
}
//指针一定到下一个键,否则死循环
next($v);
}
}

原文:http://www.cnblogs.com/meibao/p/4877754.html