function add_custom_rewrite_rules() {
$rules = array(
'top' => array(
'^event/([0-9]{4})/page/([0-9]+)/?' => 'index.php?post_type=event&year=$matches[1]&paged=$matches[2]',
'^event/([0-9]{4})/?' => 'index.php?post_type=event&year=$matches[1]',
),
'bottom' => array(
)
);
foreach ( $rules as $position => $position_rules ) {
foreach ( $position_rules as $rule => $rewrite ) {
add_rewrite_rule($rule, $rewrite, $position );
}
}
}
add_action( 'init', 'add_custom_rewrite_rules' );
function get_post_type_archives_where( $where, $r ) {
global $my_archives_post_type;
if ( isset( $r['post_type'] ) ) {
$my_archives_post_type = $r['post_type'];
$where = str_replace( '\'post\'', '\'' . $r['post_type'] . '\'', $where );
} else {
$my_archives_post_type = false;
}
return $where;
}
add_filter( 'getarchives_where', 'get_post_type_archives_where', 10, 2 );
function get_post_type_archives_link( $link_html ) {
global $my_archives_post_type;
if ( $my_archives_post_type ) {
$link_html = preg_replace( "#(/[0-9]{4})#", '/' . $my_archives_post_type . '$1', $link_html);
$link_html = preg_replace( "#>([0-9]{4})</a>#", '>$1年</a>', $link_html);
}
return $link_html;
}
add_filter( 'get_archives_link', 'get_post_type_archives_link' );