php - 如何在多维数组中从 WP_Query 数组中获取发布数据？

Question

如何从中获取$value数组值object(WP_Query)？

post_content、ID、页面名称、类别等。

这是我的代码：

    global $post;
    
    $args = array(
        'post_type' => 'history',
        'order'     => 'ASC'
    );
    
    $master = [];
        
    $post_query = new WP_Query($args);
    
    if ($post_query->have_posts() ) {
                
        while ($post_query->have_posts()) {
                
            $post_query->the_post();
            
            /* Get Post Date */
            $year = get_the_date( 'Y' );
            $mon = get_the_date( 'M' );
                
            $master[$year][$mon][] = $post_query;
            
        }
        
        foreach ($master as $masterkey => $mastervalue) {
            echo "<p>";

            echo "masterkey: ".  $masterkey . "<br>";

            foreach($mastervalue as $key => $value) {
                echo "key: " . $key . "<br>";
                echo "value: " . $value . "<br>";
                                        
            }
            
            echo "</p>";
        }
        
    }

wp_reset_postdata();

var_dump 用于$value数组：

array(1) { [0]=> object(WP_Query)#2459 (51) { ["query"]=> array(2) { ["post_type"]=> string(7) "history" ["order"]=> string(3) "ASC" } ["query_vars"]=> array(63) { ["post_type"]=> string(7) "history" ["order"]=> string(3) "ASC" ["error"]=> string(0) "" ["m"]=> string(0) "" ["p"]=> int(0) ["post_parent"]=> string(0) "" ["subpost"]=> string(0) "" ["subpost_id"]=> string(0) "" ["attachment"]=> string(0) "" ["attachment_id"]=> int(0) ["name"]=> string(0) "" ["pagename"]=> string(0) "" ["page_id"]=> int(0) ["second"]=> string(0) "" ["minute"]=> string(0) "" ["hour"]=> string(0) "" ["day"]=> int(0) ["monthnum"]=> int(0) ["year"]=> int(0) ["w"]=> int(0) ["category_name"]=> string(0) "" ["tag"]=> string(0) "" ["cat"]=> string(0) "" ["tag_id"]=> string(0) "" ["author"]=> string(0) "" ["author_name"]=> string(0) "" ["feed"]=> string(0) "" ["tb"]=> string(0) "" ["paged"]=> int(0) ["meta_key"]=> string(0) "" ["meta_value"]=> string(0) "" ["preview"]=> string(0) "" ["s"]=> string(0) "" ["sentence"]=> string(0) "" ["title"]=> string(0) "" ["fields"]=> string(0) "" ["menu_order"]=> string(0) "" ["embed"]=> string(0) "" ["category__in"]=> array(0) { } ["category__not_in"]=> array(0) { } ["category__and"]=> array(0) { } ["post__in"]=> array(0) { } ["post__not_in"]=> array(0) { } ["post_name__in"]=> array(0) { } ["tag__in"]=> array(0) { } ["tag__not_in"]=> array(0) { } ["tag__and"]=> array(0) { } ["tag_slug__in"]=> array(0) { } ["tag_slug__and"]=> array(0) { } ["post_parent__in"]=> array(0) { } ["post_parent__not_in"]=> array(0) { } ["author__in"]=> array(0) { } ["author__not_in"]=> array(0) { } ["ignore_sticky_posts"]=> bool(false) ["suppress_filters"]=> bool(false) ["cache_results"]=> bool(true) ["update_post_term_cache"]=> bool(true) ["lazy_load_term_meta"]=> bool(true) ["update_post_meta_cache"]=> bool(true) ["posts_per_page"]=> int(10) ["nopaging"]=> bool(false) ["comments_per_page"]=> string(2) "50" ["no_found_rows"]=> bool(false) } ["tax_query"]=> object(WP_Tax_Query)#2465 (6) { ["queries"]=> array(0) { } ["relation"]=> string(3) "AND" ["table_aliases":protected]=> array(0) { } ["queried_terms"]=> array(0) { } ["primary_table"]=> string(11) "pkctU_posts" ["primary_id_column"]=> string(2) "ID" } ["meta_query"]=> object(WP_Meta_Query)#2452 (9) { ["queries"]=> array(0) { } ["relation"]=> NULL ["meta_table"]=> NULL ["meta_id_column"]=> NULL ["primary_table"]=> NULL ["primary_id_column"]=> NULL ["table_aliases":protected]=> array(0) { } ["clauses":protected]=> array(0) { } ["has_or_relation":protected]=> bool(false) } ["date_query"]=> bool(false) ["request"]=> string(295) "SELECT SQL_CALC_FOUND_ROWS pkctU_posts.ID FROM pkctU_posts WHERE 1=1 AND pkctU_posts.post_type = 'history' AND (pkctU_posts.post_status = 'publish' OR pkctU_posts.post_status = 'acf-disabled' OR pkctU_posts.post_status = 'dp-rewrite-republish') ORDER BY pkctU_posts.post_date ASC LIMIT 0, 10" ["posts"]=> array(8) { [0]=> object(WP_Post)#2458 (24) { ["ID"]=> int(3786) ["post_author"]=> string(1) "1" ["post_date"]=> string(19) "2016-01-24 18:34:38" ["post_date_gmt"]=> string(19) "2016-01-24 15:34:38" ["post_content"]=> string(1937) "
At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.

标签： phparrayswordpresswordpress-themingcustom-wordpress-pages

Answer 1

在分配值之前尝试确保$master是一个多维数组$master[$year][$mon][] = $post_query;

while ($post_query->have_posts()) {
                
    $post_query->the_post();
            
    /* Get Post Date */
    $year = get_the_date( 'Y' );
    $mon = get_the_date( 'M' );
    
    if (!is_array($master[$year]) {
        $master[$year] = [];
    }
    if (!is_array($master[$year][$mon]) {
        $master[$year][$mon] = [];
    }
    $master[$year][$mon][] = $post_query;
            
}