在'foreach'循环中，如果检测到相同的术语，只添加页面链接，否则在单个wp_query期间添加术语名称和页面链接？

例如:

1. 标题 1 苹果派
2. 标题 1 樱桃派
3. 标题 2 火腿派
4. 标题 3 山羊派
5. 标题 1 面饼

应该变成:

1. • 标题 1
     • 苹果派，
     • 樱桃派
     • 面饼
2. • 标题 2
     • 火腿派
3. • 标题 3
     • 山羊派

<?php 

$alternate_edition_a = array(
            'post_type'=> 'alternate_edition',
            'post_status' => 'publish',
            'posts_per_page'=>10,
            'no_found_rows' => true,
          'tax_query' => array(
        array(
        'taxonomy' => 'game_titles',
        'field' => 'slug', 
        'terms' => $gametitle_con,
        )
    )
);
$alternate_edition_query = new WP_Query( $alternate_edition_a );
if($alternate_edition_query->have_posts() ) : while ( $alternate_edition_query->have_posts() ) : $alternate_edition_query->the_post();

$alternate_editionTitlesID[] = get_the_ID(); 

$systemformats_altedition_terms = get_the_terms($post->id, 'system_formats');

foreach ($systemformats_altedition_terms as $systemformats_altedition_term) {

if (!has_term($systemformats_altedition_term->slug, 'system_formats', $gameFeatTitleID)) {

    $systemterm_slug[] = $systemformats_altedition_term->slug;

}
}

endwhile; else: endif; wp_reset_postdata(); /*Important to reset away from alternate post type*/ 

$array_notpresentclean = array_unique($systemterm_slug);

/*print_r ($array_notpresentclean);
*/

foreach ($array_notpresentclean as $array_notpresentclean2) {

$alternate_edition_a2 = array(
            'post_type'=> 'alternate_edition',
            'post_status' => 'publish',
            'posts_per_page'=>10,
            'no_found_rows' => true,
            'post__in' => $alternate_editionTitlesID,
          'tax_query' => array(
           array(
                'taxonomy' => 'system_formats',
                'field' => 'slug',
                'terms' => $array_notpresentclean2,
            ),
    ),
);
$alternate_edition_query2 = new WP_Query( $alternate_edition_a2 );
if($alternate_edition_query2->have_posts() ) : while ( $alternate_edition_query2->have_posts() ) : $alternate_edition_query2->the_post();

$currentterm_obj = get_term_by('slug', $array_notpresentclean2, 'system_formats');

if (!isset($var_notpresent)) {

$var_notpresent = 1; ?>

<a href="<?php echo esc_url( home_url( '/' ) ); ?>system_information/<?php echo $currentterm_obj->slug; ?>" title="<?php echo $currentterm_obj->description;?>"><?php echo $currentterm_obj->name;?></a>

<?php } ?>

<li><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php echo get_the_title(); ?>"><?php echo get_the_title(); ?></a></li>

<?php 

endwhile; else: endif; wp_reset_postdata(); /*Important to reset away from alternate post type*/ 

unset($var_notpresent);

} 



?>

输出是:

1. 奶酪
   • 蛋糕是个谎言
2. Steam
   • 蛋糕是个谎言
   • 香蕉链锯
   • war 机器:Windows 10 终极版
3. 世嘉土星
   • 害怕无聊
4. 任天堂
   • 香蕉链锯
   • war 机器:终极版
5. Xbox One
   • 香蕉链锯
   • WHAR 的仓鼠
   • war 机器:Windows 10 终极版
   • war 机器:终极版

最佳答案

希望对您有所帮助。

$titles = array('Title 1 Apple Pie','Title 1 Cherry Pie','Title 2 Ham Pie','Title 3 Goat Pie');
$list = '<ol>';
foreach ($titles as $value) {
$subtitle = substr($value, 0, 7);
if(!strpos($final,$subtitle )){
   $list .= '<li>' . $value . '</li>' ;
}  else {
    $pos = stripos($list, $subtitle);
    $left_string = substr($list,0, $pos);
    $substring = substr($list, $pos);
    $next_pos = stripos($substring, '<');
    $right_string = substr($substring, $next_pos);
    $current = substr($substring, 8, $next_pos);
    $current = rtrim($current, '</li>');
    $list = '';
    $last = $current . ' '. substr($value, 8);
    $list = $left_string .' '. $subtitle.' '. $last . ' '.      $right_string;
      }
  }
    $final .= '</ol>';
     echo $final;

输出。

关于php - 在同一个标​​题下合并术语，除非 new = 创建新标题 Wordpress 查询，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/31922665/