回答編集履歴
1
ソースコード追記\(1\)
answer
CHANGED
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@@ -15,4 +15,114 @@
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return $where;
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}
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add_filter( 'getarchives_where', 'my_getarchives_where' );
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```
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###追記
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元の`wp_get_archives()`の仕様をなるべく活かすように改造したら長くなりました。
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テストはあまりしていませんが、多分動くと思います。
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- **`wp_get_archives()`の'post_type'パラメータが投稿タイプ名の配列を受け付けるように改造**
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- **年月アーカイブページで複数の投稿タイプを表示できるようにクエリを追加**
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####アーカイブリストを表示
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```PHP
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<?php
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$args = array(
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'type' => 'monthly',
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'limit' => '',
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'format' => 'html',
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'before' => '',
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'after' => '',
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'show_post_count' => false,
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'echo' => 1,
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'post_type' => array('post', 'page'),
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);
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my_wp_get_archives( $args )
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?>
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```
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####functions.phpに記載
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```PHP
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function my_query_vars( $vars ){
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$vars[] = "apt";
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return $vars;
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}
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add_filter( 'query_vars', 'my_query_vars' );
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function my_pre_get_posts($query) {
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if ( !is_admin() && $query->is_main_query() ) {
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if ($query->is_archive) {
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$apt = $query->get('apt');
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if( !empty($apt) ) {
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$post_type_array = explode(',', $apt);
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$query->set( 'post_type', $post_type_array );
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}
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}
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}
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}
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add_action( 'pre_get_posts','my_pre_get_posts' );
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function my_wp_get_archives( $args = '' ) {
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global $wpdb, $wp_locale;
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$defaults = array(
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'type' => 'monthly', 'limit' => '',
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'format' => 'html', 'before' => '',
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'after' => '', 'show_post_count' => false,
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'echo' => 1, 'order' => 'DESC',
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'post_type' => 'post'
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);
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$r = wp_parse_args( $args, $defaults );
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if( !is_array($r['post_type']) ) {
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$r['post_type'] = array($r['post_type']);
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}
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foreach( $r['post_type'] as $post_type ) {
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$post_type_object = get_post_type_object( $post_type );
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if ( ! is_post_type_viewable( $post_type_object ) ) {
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return;
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}
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$post_types[] = $post_type_object->name;
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}
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$r['post_type'] = $post_types;
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if ( '' == $r['type'] ) {
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$r['type'] = 'monthly';
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}
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if ( ! empty( $r['limit'] ) ) {
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$r['limit'] = absint( $r['limit'] );
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$r['limit'] = ' LIMIT ' . $r['limit'];
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}
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$order = strtoupper( $r['order'] );
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if ( $order !== 'ASC' ) {
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$order = 'DESC';
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}
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// this is what will separate dates on weekly archive links
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$archive_week_separator = '–';
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$sql_where = $wpdb->prepare("WHERE (post_type = %s", $r['post_type'][0]);
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if( !(count($r['post_type'])==1) ) {
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for($i=1; $i<count($r['post_type']); $i++) {
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$sql_where .= $wpdb->prepare(" OR post_type = %s", $r['post_type'][$i]);
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}
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}
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$sql_where .= ") ";
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$sql_where .= "AND post_status = 'publish'";
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$where = $sql_where;
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$join = '';
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$output = '';
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$last_changed = wp_cache_get_last_changed( 'posts' );
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$limit = $r['limit'];
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// 文字数制限に引っかかったので、続きは別回答に記載
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```
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