覆盖wordpress中的搜索功能(sql和php) [英] overwrite the search function in wordpress (sql and php)

问题描述

有没有办法覆盖wordpress中的默认搜索功能?我试过使用过滤器，但它们只允许添加到查询中……或者可能使用posts_request 重写整个查询.但是，如果我覆盖它，则其他查询都不起作用.我有以下代码

Is there a way to overwrite the default search function in wordpress? I have tried using the filters, but they only allow adding to the query... or possibly rewriting the whole query using posts_request. If I overwrite that though, no other querys will work. I have the following code

function my_posts_request_filter($input)
{
    if ( is_search() && isset($_GET['s'])) {
        global $wpdb;
    }
    return $input;
}

add_filter('posts_request','my_posts_request_filter');

我可以用我的自定义 SQL 覆盖 $input，但是页面上有一个小部件显示最近的帖子，如果我这样做就不会显示.有没有办法只覆盖搜索功能??

I could override $input with my custom SQL, but there is a widget on the page which shows recent posts and that wouldn't show if I do this. Is there a way to JUST overwrite the search function??

推荐答案

这不是万无一失的，但假设第一个 WP_Query 调用是针对搜索请求的(有可能 是插件在 WordPress 之前调用它的场景，但不太可能)，一旦函数运行，您就可以去除过滤器.

This isn't bulletproof, but assuming the first WP_Query call is for the search request (there might be a scenario where a plugin calls it before WordPress does, but it is unlikely), you can strip the filter once the function runs.

function my_posts_request_filter($input)
{
    if ( is_search() && isset($_GET['s'])) {
        global $wpdb;

        // do your funky SQL

        remove_filter('posts_request','my_posts_request_filter');
    }
    return $input;
}

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