php - 如何在wordpress中的变量中回显数组

Question

我正在尝试回显设置

    $this->settings['numberofwordsexcerpt'] = array(
        'title'   => __( 'Number of Words' ),
        'desc'    => __( 'Please enter here the number of words you want the latest posts on index to have.' ),
        'std'     => '25',
        'type'    => 'text',
        'section' => 'general'
    );

在变量中进入这个函数$word_limit

add_action('the_excerpt','limit_the_content'); 
function limit_the_content($content){
 $word_limit = $this->settings['numberofwordsexcerpt']; // HERE I AM TRYING to echo it

但是不起作用，我收到错误消息

Fatal error: Using $this when not in object context
     $words = explode(' ', $content); return implode(' ', array_slice($words, 0, $word_limit)); }

我也试过

$word_limit = $settings['numberofwordsexcerpt'];

我得到一个与变量$settings未定义有关的错误......也试过了

$word_limit = ?> <?php echo $settings['numberofwordsexcerpt']; ?> 

并得到与尝试删除该错误相关的错误";",，但错误仍然存​​在。请帮忙。

Answer 1

    $settings = get_option('mytheme_options'); 

    $word_limit  = $settings['numberofwordsexcerpt']; 

echo $word_limit;