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2

コードを修正

2017/12/11 01:20

投稿

退会済みユーザー
test CHANGED
@@ -12,33 +12,37 @@
12
12
 
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  <dl>
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- <?php
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+ <?php
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- $categories = get_the_category();
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+ $categories = get_the_category();
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- foreach ($categories as $category) {
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+ foreach ($categories as $category) {
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- if ($category->category_parent === 0) {
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+ if ($category->category_parent === 0) {
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- $parent_term_id = $category->term_id;
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+ $parent_term_id = $category->term_id;
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- } else {
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+ } else {
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- $child_term_id[] = $category->term_id;
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+ $child_term_id[] = $category->term_id;
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- }
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+ }
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+
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+ }
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+
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+ if (is_array($child_term_id)) {
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+
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+ $term_children = get_term_children($parent_term_id, 'category');
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+
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+ $term_children = array_diff($term_children, $child_term_id);
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+
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+ $term_children = implode(',', $term_children);
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  }
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- $term_children = get_term_children($parent_term_id, 'category');
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+ $prev_post = get_previous_post(true, $term_children);
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- $term_children = array_diff($term_children, $child_term_id);
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-
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- $term_children = implode(',', $term_children);
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-
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- $prev_post = get_previous_post(true, $term_children);
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-
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- $next_post = get_next_post(true, $term_children);
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+ $next_post = get_next_post(true, $term_children);
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  if ( !empty( $prev_post ) ): ?>
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@@ -54,7 +58,7 @@
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  <?php
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- $next_post = get_next_post(true, $term_children);
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+ $next_post = get_next_post(true, $term_children);
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  if ( !empty( $next_post ) ): ?>
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@@ -70,7 +74,7 @@
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  </dl>
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- </div>
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+ </div>
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  ```
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80
 

1

追記

2017/12/11 01:20

投稿

退会済みユーザー
test CHANGED
@@ -8,35 +8,69 @@
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8
 
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9
  ```PHP
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- <?php
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+ <div>
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- $categories = get_the_category();
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+ <dl>
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14
 
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- foreach ($categories as $category) {
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+ <?php
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- if ($category->category_parent === 0) {
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+ $categories = get_the_category();
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- $parent_term_id = $category->term_id;
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+ foreach ($categories as $category) {
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- } else {
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+ if ($category->category_parent === 0) {
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+ $parent_term_id = $category->term_id;
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+
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+ } else {
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+
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- $child_term_id[] = $category->term_id;
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+ $child_term_id[] = $category->term_id;
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+
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+ }
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  }
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- }
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+ $term_children = get_term_children($parent_term_id, 'category');
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- $term_children = get_term_children($parent_term_id, 'category');
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+ $term_children = array_diff($term_children, $child_term_id);
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36
 
31
- $term_children = array_diff($term_children, $child_term_id);
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+ $term_children = implode(',', $term_children);
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38
 
33
- $term_children = implode(',', $term_children);
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+ $prev_post = get_previous_post(true, $term_children);
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40
 
35
- $prev_post = get_previous_post(true, $term_children);
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+ $next_post = get_next_post(true, $term_children);
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- $next_post = get_next_post(true, $term_children);
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+ if ( !empty( $prev_post ) ): ?>
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+ <dt>PREV</dt>
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+
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- ?>
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+ <dd>
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+
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+ <a href="<?php echo esc_url( get_permalink( $prev_post->ID ) ); ?>"><?php echo $prev_post->post_title; ?></a>
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+
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+ </dd>
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+
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+ <?php endif; ?>
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+
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+ <?php
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+
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+ $next_post = get_next_post(true, $term_children);
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+
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+ if ( !empty( $next_post ) ): ?>
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+
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+ <dt>NEXT</dt>
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+
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+ <dd>
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+
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+ <a href="<?php echo esc_url( get_permalink( $next_post->ID ) ); ?>"><?php echo $next_post->post_title; ?></a>
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+
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+ </dd>
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+
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+ <?php endif; ?>
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+
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+ </dl>
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+
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+ </div>
40
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41
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  ```
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76