wp_head钩子详解，如何添加keyword和description

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function hook_meta_keyword() {?>
  <meta name="keyword" content="website,company">
  <meta name="description" content="Our company is a great website builder company">
  <?php 

}

add_action('wp_head','hook_meta_keyword',9,1);

wp_head钩子完整加载的函数：

add_action( 'wp_head',             '_wp_render_title_tag',            1     );
add_action( 'wp_head',             'wp_enqueue_scripts',              1     );
add_action( 'wp_head',             'wp_resource_hints',               2     );
add_action( 'wp_head',             'feed_links',                      2     );
add_action( 'wp_head',             'feed_links_extra',                3     );
add_action( 'wp_head',             'rsd_link'                               );
add_action( 'wp_head',             'wlwmanifest_link'                       );
add_action( 'wp_head',             'adjacent_posts_rel_link_wp_head', 10, 0 );
add_action( 'wp_head',             'locale_stylesheet'                      );
add_action( 'wp_head',             'noindex',                          1    );
add_action( 'wp_head',             'print_emoji_detection_script',     7    );
add_action( 'wp_head',             'wp_print_styles',                  8    );
add_action( 'wp_head',             'wp_print_head_scripts',            9    );
add_action( 'wp_head',             'wp_generator'                           );
add_action( 'wp_head',             'rel_canonical'                          );
add_action( 'wp_head',             'wp_shortlink_wp_head',            10, 0 );
add_action( 'wp_head',             'wp_custom_css_cb',                101   );
add_action( 'wp_head',             'wp_site_icon',                    99    );

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