PHP is_question函数代码示例

 public function widget($args, $instance)
 {
     $title = apply_filters('widget_title', @$instance['title']);
     echo $args['before_widget'];
     if (!empty($title)) {
         echo $args['before_title'] . $title . $args['after_title'];
     }
     $ans_count = ap_question_get_the_answer_count();
     $last_active = ap_question_get_the_active_ago();
     $total_subs = ap_question_get_the_subscriber_count();
     $view_count = ap_question_get_the_view_count();
     echo '<div class="ap-widget-inner">';
     if (is_question()) {
         echo '<ul class="ap-stats-widget">';
         echo '<li><span class="stat-label apicon-pulse">' . __('Active', 'ap') . '</span><span class="stat-value"><time class="published updated" itemprop="dateModified" datetime="' . mysql2date('c', $last_active) . '">' . ap_human_time(mysql2date('U', $last_active)) . '</time></span></li>';
         echo '<li><span class="stat-label apicon-eye">' . __('Views', 'ap') . '</span><span class="stat-value">' . sprintf(_n('One time', '%d times', $view_count, 'ap'), $view_count) . '</span></li>';
         echo '<li><span class="stat-label apicon-answer">' . __('Answers', 'ap') . '</span><span class="stat-value">' . sprintf(_n('%2$s1%3$s answer', '%2$s%1$d%3$s answers', $ans_count, 'ap'), $ans_count, '<span data-view="answer_count">', '</span>') . '</span></li>';
         echo '<li><span class="stat-label apicon-mail">' . __('Followers', 'ap') . '</span><span class="stat-value">' . sprintf(_n('1 follower', '%d followers', $total_subs, 'ap'), $total_subs) . '</span></li>';
         echo '</ul>';
     } else {
         _e('This widget can only be used in single question page', 'ap');
     }
     echo '</div>';
     echo $args['after_widget'];
 }

 function ap_append_vote_count($post)
 {
     if (!is_question() && ($post->post_type == 'question' || $post->post_type == 'answer')) {
         $post->net_vote = ap_net_vote_meta($post->ID);
         $post->selected = get_post_meta($post->ID, ANSPRESS_SELECTED_META, true);
         $post->closed = get_post_meta($post->ID, ANSPRESS_CLOSE_META, true);
     } elseif ($post->post_type == 'question' || $post->post_type == 'answer') {
         //voted up count
         if (is_object($post)) {
             $votes = ap_post_votes($post->ID);
             // net vote
             $post->voted_up = $votes['voted_up'];
             $post->voted_down = $votes['voted_down'];
             $post->net_vote = $votes['voted_up'] - $votes['voted_down'];
             //closed count
             $post->closed = get_post_meta($post->ID, ANSPRESS_CLOSE_META, true);
             $post->selected = get_post_meta($post->ID, ANSPRESS_SELECTED_META, true);
             //flagged count
             $post->flag = get_post_meta($post->ID, ANSPRESS_FLAG_META, true);
             //favorite count
             $post->favorite = get_post_meta($post->ID, ANSPRESS_FAV_META, true);
             $post->voted_closed = ap_is_user_voted_closed();
             $post->flagged = ap_is_user_flagged();
             //if current logged in user voted
             if (is_user_logged_in()) {
                 $post->favorited = ap_is_user_favorite($post->ID);
                 $userid = get_current_user_id();
                 $post->user_voted_up = ap_is_user_voted($post->ID, 'vote_up', $userid);
                 $post->user_voted_down = ap_is_user_voted($post->ID, 'vote_down', $userid);
             }
         }
     }
 }

 public function wp_head()
 {
     if (is_question()) {
         global $wp;
         echo '<link href="' . home_url(add_query_arg(array(), $wp->request)) . '" title="' . wp_title('|', false, 'right') . '" type="application/rss+xml" rel="alternate">';
     }
 }

 public function insert_views($post)
 {
     if (is_question() && $post->post_type == 'question') {
         if (!ap_is_already_viewed(get_current_user_id(), $post->ID)) {
             ap_insert_views($post->ID, $post->post_type);
         }
     }
 }

 public function insert_views($template)
 {
     //Log current time as user meta, so later we can check when user was active.
     if (is_user_logged_in()) {
         update_user_meta(get_current_user_id(), '__last_active', current_time('mysql'));
     }
     if (is_question()) {
         ap_insert_views(get_question_id(), 'question');
     }
     if (is_ap_user() && ap_get_displayed_user_id() != get_current_user_id() && ap_get_displayed_user_id()) {
         ap_insert_views(ap_get_displayed_user_id(), 'profile');
     }
 }

function ap_get_breadcrumbs()
{
    $current_page = get_query_var('ap_page');
    $title = ap_page_title();
    $a = array();
    $a['base'] = array('title' => ap_opt('base_page_title'), 'link' => ap_base_page_link(), 'order' => 0);
    if (is_question_tag()) {
        $a['tag'] = array('title' => __('Tags', 'ap'), 'link' => '', 'order' => 10);
    } elseif (is_question()) {
        $a['page'] = array('title' => substr($title, 0, 30) . (strlen($title) > 30 ? __('..', 'ap') : ''), 'link' => get_permalink(get_question_id()), 'order' => 10);
    } elseif ($current_page != 'base' && $current_page != '') {
        if ($current_page == 'user') {
            $a['page'] = array('title' => __('User', 'ap'), 'link' => ap_user_link(ap_get_displayed_user_id()), 'order' => 10);
            $a['user_page'] = array('title' => substr($title, 0, 30) . (strlen($title) > 30 ? __('..', 'ap') : ''), 'link' => ap_user_link(ap_get_displayed_user_id(), get_query_var('user_page')), 'order' => 10);
        } else {
            $a['page'] = array('title' => substr($title, 0, 30) . (strlen($title) > 30 ? __('..', 'ap') : ''), 'link' => ap_get_link_to($current_page), 'order' => 10);
        }
    }
    $a = apply_filters('ap_breadcrumbs', $a);
    return ap_sort_array_by_order($a);
}

/**
 * Output subscribe btn HTML
 * @param boolean|integer $action_id Question ID or Term ID
 * @return string
 * @since 2.0.1
 */
function ap_subscribe_btn_html($action_id = false, $type = false)
{
    global $question_category, $question_tag;
    if ($action_id === false) {
        if (is_question()) {
            $action_id = get_question_id();
        } elseif (is_question_category()) {
            $action_id = $question_category->term_id;
        } elseif (is_question_tag()) {
            $action_id = $question_tag->term_id;
        }
    }
    if ($type == false) {
        if (is_question_category()) {
            $subscribe_type = 'category';
        } elseif (is_question_tag()) {
            $subscribe_type = 'tag';
        } else {
            $subscribe_type = false;
        }
    } else {
        if ($type === 'category') {
            $subscribe_type = 'category';
        } elseif ($type === 'tag') {
            $subscribe_type = 'tag';
        } else {
            $subscribe_type = false;
        }
    }
    $subscribed = ap_is_user_subscribed($action_id, false, $subscribe_type);
    $nonce = wp_create_nonce('subscribe_' . $action_id . '_' . $subscribe_type);
    $title = !$subscribed ? __('Follow question', 'ap') : __('Unfollow question', 'ap');
    ?>

	<div class="ap-subscribe" id="<?php 
    echo 'subscribe_' . $action_id;
    ?>
">
		<a href="#" class="ap-btn-toggle<?php 
    echo $subscribed ? ' active' : '';
    ?>
" data-query="ap_ajax_action=subscribe&action_id=<?php 
    echo $action_id;
    ?>
&__nonce=<?php 
    echo $nonce;
    ?>
&type=<?php 
    echo $subscribe_type;
    ?>
" data-action="ap_subscribe" data-args="<?php 
    echo $action_id . '-' . $nonce;
    ?>
">
			<span class="apicon-toggle-on"></span>
			<span class="apicon-toggle-off"></span>
		</a>
		<b><?php 
    echo $title;
    ?>
</b>
	</div>

	<?php 
}

function get_question_id()
{
    if (is_question() && get_query_var('question_id')) {
        return (int) get_query_var('question_id');
    } elseif (is_question() && get_query_var('question')) {
        return get_query_var('question');
    } elseif (is_question() && get_query_var('question_name')) {
        $post = get_page_by_path(get_query_var('question_name'), OBJECT, 'question');
        return $post->ID;
    } elseif (get_query_var('edit_q')) {
        return get_query_var('edit_q');
    } elseif (ap_answer_the_object()) {
        return ap_answer_get_the_question_id();
    }
    return false;
}

 /**
  * Update concal link when wpseo plugin installed
  * @return string
  */
 public function wpseo_canonical()
 {
     if (is_question()) {
         return get_permalink(get_question_id());
     }
 }

    public function ap_base_page_sc($atts, $content = "")
    {
        if (!is_question()) {
            $order = get_query_var('sort');
            $label = sanitize_text_field(get_query_var('label'));
            if (empty($order)) {
                $order = 'active';
            }
            //ap_opt('answers_sort');
            if (empty($label)) {
                $label = '';
            }
            $paged = get_query_var('paged') ? get_query_var('paged') : 1;
            $question_args = array('ap_query' => 'main_questions', 'post_type' => 'question', 'post_status' => 'publish', 'showposts' => ap_opt('question_per_page'), 'paged' => $paged);
            if ($order == 'active') {
                $question_args['ap_query'] = 'main_questions_active';
                $question_args['orderby'] = 'meta_value';
                $question_args['meta_key'] = ANSPRESS_UPDATED_META;
                $question_args['meta_query'] = array('relation' => 'OR', array('key' => ANSPRESS_UPDATED_META, 'compare' => 'NOT EXISTS'));
            } elseif ($order == 'voted') {
                $question_args['orderby'] = 'meta_value_num';
                $question_args['meta_key'] = ANSPRESS_VOTE_META;
            } elseif ($order == 'answers') {
                $question_args['orderby'] = 'meta_value_num';
                $question_args['meta_key'] = ANSPRESS_ANS_META;
            } elseif ($order == 'unanswered') {
                $question_args['orderby'] = 'meta_value';
                $question_args['meta_key'] = ANSPRESS_ANS_META;
                $question_args['meta_value'] = '0';
            } elseif ($order == 'oldest') {
                $question_args['orderby'] = 'date';
                $question_args['order'] = 'ASC';
            }
            if ($label != '') {
                $question_args['tax_query'] = array(array('taxonomy' => 'question_label', 'field' => 'slug', 'terms' => $label));
            }
            $question_args = apply_filters('ap_main_query_args', $question_args);
        }
        if (is_question()) {
            $args = array('p' => get_question_id(), 'post_type' => 'question', 'post_status' => array('moderate', 'publish'));
            $question = new WP_Query($args);
        } elseif (is_question_tag()) {
            $question_args['tax_query'] = array(array('taxonomy' => 'question_tags', 'field' => 'id', 'terms' => array(get_question_tag_id())));
            $question = new WP_Query($question_args);
            $tag = $question->get_queried_object();
        } elseif (is_question_cat()) {
            $question_args['tax_query'] = array(array('taxonomy' => 'question_category', 'field' => 'id', 'terms' => array(get_question_cat_id())));
            $question = new WP_Query($question_args);
            $category = $question->get_queried_object();
        } elseif (is_question_tags()) {
            $paged = get_query_var('paged') ? get_query_var('paged') : 1;
            $per_page = ap_opt('tags_per_page');
            $total_terms = wp_count_terms('question_tags');
            $offset = $per_page * ($paged - 1);
            $args = array('number' => $per_page, 'offset' => $offset, 'hide_empty' => false, 'orderby' => 'count', 'order' => 'DESC');
            $tags = get_terms('question_tags', $args);
        } elseif (is_question_categories()) {
            $paged = get_query_var('paged') ? get_query_var('paged') : 1;
            $per_page = ap_opt('categories_per_page');
            $total_terms = wp_count_terms('question_category');
            $offset = $per_page * ($paged - 1);
            $cat_args = array('parent' => 0, 'number' => $per_page, 'offset' => $offset, 'hide_empty' => false, 'orderby' => 'count', 'order' => 'DESC');
            $categories = get_terms('question_category', $cat_args);
        } elseif (is_ap_users()) {
            global $current_user_meta;
            $count_args = array('fields' => 'all_with_meta', 'number' => 999999);
            $user_count_query = new WP_User_Query($count_args);
            $user_count = $user_count_query->get_results();
            // count the number of users found in the query
            $total_users = $user_count ? count($user_count) : 1;
            // how many users to show per page
            $per_page = ap_opt('users_per_page');
            // grab the current page number and set to 1 if no page number is set
            $paged = get_query_var('paged') ? get_query_var('paged') : 1;
            // calculate the total number of pages.
            $total_pages = 1;
            $offset = $per_page * ($paged - 1);
            $total_pages = ceil($total_users / $per_page);
            $order = get_query_var('sort');
            if (empty($order)) {
                $order = 'points';
            }
            $args = array('number' => $per_page, 'offset' => $offset);
            if ($order == 'points') {
                $args['ap_query'] = 'sort_points';
                $args['meta_key'] = 'ap_points';
                $args['orderby'] = 'meta_value';
                $args['order'] = 'DESC';
            } elseif ($order == 'newest') {
                $args['orderby'] = 'date';
                $args['order'] = 'DESC';
            }
            // The Query
            $users = new WP_User_Query($args);
        } elseif (is_ap_user()) {
            global $current_user_meta;
            global $user;
            $user = get_userdata(ap_get_user_page_user());
            if ($user === FALSE) {
                echo '<div class="user-not-found">' . __('User not found', 'ap') . '</div>';
//.........这里部分代码省略.........

function ap_current_page_is()
{
    if (is_anspress()) {
        if (is_question()) {
            $template = 'question';
        } elseif (is_ask()) {
            $template = 'ask';
        } elseif (is_question_categories()) {
            $template = 'categories';
        } elseif (is_question_tags()) {
            $template = 'tags';
        } elseif (is_question_tag()) {
            $template = 'tag';
        } elseif (is_question_cat()) {
            $template = 'category';
        } elseif (is_question_edit()) {
            $template = 'edit-question';
        } elseif (is_answer_edit()) {
            $template = 'edit-answer';
        } elseif (is_ap_users()) {
            $template = 'users';
        } elseif (is_ap_user()) {
            $template = 'user';
        } elseif (is_ap_search()) {
            $template = 'search';
        } elseif (is_ap_revision()) {
            $template = 'revision';
        } elseif (get_query_var('ap_page') == '') {
            $template = 'base';
        } else {
            $template = 'not-found';
        }
        return apply_filters('ap_current_page_is', $template);
    }
    return false;
}

function ap_question_subscribers($action_id = false, $type = '', $avatar_size = 30)
{
    global $question_category, $question_tag;
    if (false === $action_id) {
        if (is_question()) {
            $action_id = get_question_id();
        } elseif (is_question_category()) {
            $action_id = $question_category->term_id;
        } elseif (is_question_tag()) {
            $action_id = $question_tag->term_id;
        }
    }
    if ($type == '') {
        $type = is_question() ? 'q_all' : 'tax_new_q';
    }
    $subscribers = ap_get_subscribers($action_id, $type);
    if ($subscribers) {
        echo '<div class="ap-question-subscribers clearfix">';
        echo '<div class="ap-question-subscribers-inner">';
        foreach ($subscribers as $subscriber) {
            echo '<a href="' . ap_user_link($subscriber->subs_user_id) . '"';
            ap_hover_card_attributes($subscriber->subs_user_id);
            echo '>' . get_avatar($subscriber->subs_user_id, $avatar_size) . '</a>';
        }
        echo '</div>';
        echo '</div>';
    }
}

/**
 * Return current AnsPress page
 * @return string
 */
function ap_current_page()
{
    $query_var = get_query_var('ap_page');
    if (is_question()) {
        $query_var = 'question';
    } elseif ('' == $query_var) {
        $query_var = 'base';
    }
    return apply_filters('ap_current_page', esc_attr($query_var));
}

function ap_answers_list($question_id, $order = 'voted')
{
    $paged = get_query_var('paged') ? get_query_var('paged') : 1;
    if (is_question()) {
        $order = get_query_var('sort');
        if (empty($order)) {
            $order = ap_opt('answers_sort');
        }
    }
    if ($order == 'voted') {
        $ans_args = array('ap_query' => 'answer_sort_voted', 'post_type' => 'answer', 'post_status' => 'publish', 'post_parent' => get_the_ID(), 'showposts' => ap_opt('answers_per_page'), 'paged' => $paged, 'orderby' => 'meta_value_num', 'meta_key' => ANSPRESS_VOTE_META, 'meta_query' => array('relation' => 'OR', array('key' => ANSPRESS_BEST_META, 'compare' => '=', 'value' => '1'), array('key' => ANSPRESS_BEST_META, 'compare' => 'NOT EXISTS')));
    } elseif ($order == 'oldest') {
        $ans_args = array('ap_query' => 'answer_sort_newest', 'post_type' => 'answer', 'post_status' => 'publish', 'post_parent' => get_the_ID(), 'showposts' => ap_opt('answers_per_page'), 'paged' => $paged, 'orderby' => 'meta_value date', 'meta_key' => ANSPRESS_BEST_META, 'order' => 'ASC', 'meta_query' => array('relation' => 'OR', array('key' => ANSPRESS_BEST_META, 'compare' => 'NOT EXISTS')));
    } else {
        $ans_args = array('ap_query' => 'answer_sort_newest', 'post_type' => 'answer', 'post_status' => 'publish', 'post_parent' => get_the_ID(), 'showposts' => ap_opt('answers_per_page'), 'paged' => $paged, 'orderby' => 'meta_value date', 'meta_key' => ANSPRESS_BEST_META, 'order' => 'DESC', 'meta_query' => array('relation' => 'OR', array('key' => ANSPRESS_BEST_META, 'compare' => 'NOT EXISTS')));
    }
    $ans_args = apply_filters('ap_answers_query_args', $ans_args);
    $ans = new WP_Query($ans_args);
    // get answer sorting tab
    echo '<div id="answers-c">';
    ap_ans_tab();
    echo '<div id="answers">';
    while ($ans->have_posts()) {
        $ans->the_post();
        include ap_get_theme_location('answer.php');
    }
    echo '</div>';
    ap_pagination('', 2, $paged, $ans);
    echo '</div>';
    wp_reset_query();
}