求数组中最小的id
$arr1=array(
array("id"=>2),
array("id"=>1),
array("id"=>5),
array("id"=>7),
array("id"=>33),
);
如何找到最小的id的值
------解决方案--------------------
foreach($arr1 as $v){
$arr[]=$v['id'];
}
echo min($arr); <div class="clear">
</div>
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