[英]Wordpress change the limit of the number of posts just for mobile
I have the WP backend setting - Blog pages show at most
set to 20. 我有WP后端设置 -
Blog pages show at most
设置为20。
I want to override this setting in my PHP in case that the user agent is mobile. 我想在我的PHP中覆盖此设置,以防用户代理是移动的。
One way that I had in mind is - 我想到的一种方式是 -
$iphone = strpos($_SERVER['HTTP_USER_AGENT'],"iPhone");
$android = strpos($_SERVER['HTTP_USER_AGENT'],"Android");
$ipad = strpos($_SERVER['HTTP_USER_AGENT'],"iPad");
$berry = strpos($_SERVER['HTTP_USER_AGENT'],"BlackBerry");
$ipod = strpos($_SERVER['HTTP_USER_AGENT'],"iPod");
Then I thought to do something like 然后我想做点什么
if ($iphone || $android || $ipad || $ipod || $berry == true)
and then set the new post limit to 10. 然后将新的帖子限制设置为10。
Is it anyway possible? 无论如何可能吗?
Thanks! 谢谢!
add_action('pre_get_posts','change_limit_mobile');
function change_limit_mobile($query){
$new_limit = 10;
$iphone = strpos($_SERVER['HTTP_USER_AGENT'],"iPhone");
$android = strpos($_SERVER['HTTP_USER_AGENT'],"Android");
$ipad = strpos($_SERVER['HTTP_USER_AGENT'],"iPad");
$berry = strpos($_SERVER['HTTP_USER_AGENT'],"BlackBerry");
$ipod = strpos($_SERVER['HTTP_USER_AGENT'],"iPod");
if (( $iphone || $android || $ipad || $ipod || $berry ) && $query->is_main_query()){
set_query_var('posts_per_page',$new_limit);
}
}
This will override the posts per page based on the value of $new_limit
variable in all your loops. 这将根据所有循环中
$new_limit
变量的值覆盖每页的帖子。 If you want to target only the home page, Then you can add if(is_home())
in the condition too. 如果您只想定位主页,那么您也可以在条件中添加
if(is_home())
。
I managed to solve it in a different way. 我设法以不同的方式解决它。
On the page where I want to limit the total number of posts I set the $new_limit
to be 20 on default (As I want 20 posts per page). 在我想限制帖子总数的页面上,我将
$new_limit
设置$new_limit
值为20(因为我想要每页20个帖子)。 Then, I added the condition when it is mobile. 然后,我在移动时添加了条件。
<?php
$new_limit = 20;
$iphone = strpos($_SERVER['HTTP_USER_AGENT'],"iPhone");
$android = strpos($_SERVER['HTTP_USER_AGENT'],"Android");
$ipad = strpos($_SERVER['HTTP_USER_AGENT'],"iPad");
$berry = strpos($_SERVER['HTTP_USER_AGENT'],"BlackBerry");
$ipod = strpos($_SERVER['HTTP_USER_AGENT'],"iPod");
?>
Then the limit is set to 10, only on mobile. 然后限制设置为10,仅限移动设备。
<?php if ($iphone || $android || $ipad || $ipod || $berry == true){
$new_limit = 10;}?>
Finally, I added this into my WP_Query
: 最后,我将其添加到我的
WP_Query
:
'posts_per_page' => $new_limit,
Works perfectly as far as I tested 就我测试而言,完美地工作
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