方法一：
<?php
$arr_click = array(
array( 'clicks' => 3, 'clickDate' =>'2015-10-11' ),
array( 'clicks' => 2, 'clickDate' =>'2015-10-11' ),
array( 'clicks' => 3, 'clickDate' =>'2015-10-09' ),
array( 'clicks' => 1, 'clickDate' =>'2015-10-08' ),
);
$page = 2;
$indexinpage=2;
$newarr = array_slice($arr_click, ($page-1)*$indexinpage, $indexinpage);
?> 

原理如下： 和分页原理一样，数组用array_slice(array,offset,length)函数在数组中根据条件取出一段值。 
array：需要处理的数组offset：取出元素的开始位置length：返回数组的长度 在每页中改变offset的值就行了！ 

方法二：
<?php
$arr_click = array(
array( 'clicks' => 3, 'clickDate' =>'2015-10-11' ),
array( 'clicks' => 2, 'clickDate' =>'2015-10-11' ),
array( 'clicks' => 3, 'clickDate' =>'2015-10-09' ),
array( 'clicks' => 1, 'clickDate' =>'2015-10-08' ),
);
$size = 3;
$pnum = ceil(count($arr_click) / $size);
if(isset($_GET['page'])){
    $page = intval($_GET['page']);
    $page = $page > $pnum? $pnum: $page;
    $page = $page < $pnum? 1: $page;
}else{
    $page = 1;
}
for($i = 0; $i < $size; $i++){
    if(!isset($arr_click[($page - 1) * $size + $i]))break;
    echo '<pre>';
    print_r($arr_click[($page - 1) * $size + $i]);
    echo '<br>';
}
?> 

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