如何在wordpress中的变量中回显数组

Question

我试图回应设置

    $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'
    );

变量$word_limit this函数

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，我得到了错误

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

我也尝试过

$word_limit = $settings['numberofwordsexcerpt'];

我得到一个错误，相关的变量$settings没有定义...也尝试过

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

并获得与";",相关的错误";",尝试删除该错误仍然存​​在。 请帮忙。

Answer 1

    $settings = get_option('mytheme_options'); 

    $word_limit  = $settings['numberofwordsexcerpt']; 

echo $word_limit;