function get_related_wp_query_args()
{
global $post;
if (is_related_entry_association_category()) {
//カテゴリ情報から関連記事をランダムに呼び出す
$categories = get_the_category($post->ID);
$category_IDs = array();
foreach ($categories as $category) {
array_push($category_IDs, $category->cat_ID);
}
if (empty($category_IDs)) {
return;
}
return $args = array('post__not_in' => array($post->ID), 'posts_per_page' => intval(get_related_entry_count()), 'category__in' => $category_IDs, 'orderby' => 'rand');
} else {
//タグ情報から関連記事をランダムに呼び出す
$tags = wp_get_post_tags($post->ID);
$tag_IDs = array();
foreach ($tags as $tag) {
array_push($tag_IDs, $tag->term_id);
}
if (empty($tag_IDs)) {
return;
}
return $args = array('post__not_in' => array($post->ID), 'posts_per_page' => intval(get_related_entry_count()), 'tag__in' => $tag_IDs, 'orderby' => 'rand');
}
}
<?php
//カテゴリ情報から関連記事を10個ランダムに呼び出す
$categories = get_the_category($post->ID);
$category_ID = array();
foreach ($categories as $category) {
array_push($category_ID, $category->cat_ID);
}
$args = array('post__not_in' => array($post->ID), 'posts_per_page' => intval(get_related_entry_count()), 'category__in' => $category_ID, 'orderby' => 'rand');
$query = new WP_Query($args);
?>
<?php
if ($query->have_posts()) {
?>
<?php
while ($query->have_posts()) {
$query->the_post();
?>
<div class="related-entry">
<div class="related-entry-thumb">
<a href="<?php
the_permalink();
?>
" title="<?php
the_title_attribute();
?>
">
<?php
if (has_post_thumbnail()) {
// サムネイルを持っているとき
?>