搜索词打点器：

因此，如果您的搜索字符串是，例如：

洛杉矶之梦

它将成为：

洛杉矶之梦洛杉矶。

以下是修改默认搜索的演示插件：

<?php
/**
 * Plugin Name: Search Terms Dotifier
 * Author:      birgire
 * Plugin URI:  http://wordpress.stackexchange.com/a/157972/26350
 * Version:     0.0.1
 */

add_filter( \'request\', function( $request ) {
    if( ! is_admin() && isset( $request[\'s\'] ) )
    {
        // Dont\' dotify these words (lower case):
        $exclude = array( \'the\', \'in\', \'it\', \'he\', \'she\', \'was\' );

        // Loop over search terms:
        $words = explode( \' \', $request[\'s\'] );
        foreach( (array) $words as $word )
        {
             // Words with two or three chars that don\'t contain any dots:
             if( mb_strlen( $word ) > 1
                 && mb_strlen( $word ) < 4 
                 && false === strpos( $word, \'.\' ) 
                 && ! in_array( mb_strtolower( $word ), $exclude, true ) 
             )
             {
                 // Append the \'dotted\' word:
                 $words[] = join( \'.\', str_split( $word ) ) . \'.\';
             }
         }
         $request[\'s\'] = join( \' \', $words );
    }
    return $request;
});