web memorandum

<?php get_sidebar(part01); ?>　 /*sidebar-part01.phpを呼び出す**/
固定ページ一つだけを別のSidebarを表示する場合
<?php
if(is_page('スラッグ名A')) :
get_sidebar('サイドバーB');
else :
get_sidebar();
endif
?>

if(is_page(array('スラッグ名','スラッグ名','スラッグ名'))):
get_sidebar('サイドバーC');
else :
get_sidebar();
endif
?>

<?php
if(is_page(array('スラッグ名','スラッグ名','スラッグ名'))):
get_sidebar('サイドバーA');
elseif(is_page(array('スラッグ名','スラッグ名','スラッグ名'))):
get_sidebar('サイドバーB');
elseif(is_page(array('スラッグ名','スラッグ名','スラッグ名'))):
get_sidebar('サイドバーC');
else :
get_sidebar();
endif
?>

<?php
if(in_category('スラッグ名')) :
get_sidebar('ハイフンの後ろ');
elseif(in_category('スラッグ名')) :
get_sidebar('ハイフンの後ろ');
else :
get_sidebar();
endif
?>

<?php
if(is_category('スラッグ名')) :
get_sidebar('ハイフンの後ろ');
elseif(is_category('スラッグ名')) :
get_sidebar('ハイフンの後ろ');
else :
get_sidebar();
endif
?>

<?if ( ! is_active_sidebar( '任意の英数字A' ) ) {
return;
}?>
<aside id="secondary" class="widget-area" role="complementary">
<?php dynamic_sidebar( '任意の英数字A' ); ?>
</aside><!-- #secondary -->

register_sidebar( array(
'name' => __( 'ウィジェット編集画面上での見出し', '親テーマ名' ),
'id' => '任意の英数字A',
'description' => __( 'ウィジェット編集画面上でのウィジェットの説明', '親テーマ名' ),
'before_title' => '<div class="ttl">',
'after_title' => '</div>',
'before_widget' => '<div id="%1$s" class="widget %2$s">',
'after_widget' => '</div>'
) );

<div class="ttl">ウィジェットのタイトル</div>

<?php get_sidebar("任意の英数字"); ?>

<?php
add_filter( 'posts_where', 'filter_where' );
function filter_where( $where = '' ) {
$where .= " AND DATE(post_date) >= '" . date( 'Y-m-d', strtotime( '-2 years' ) ) . "'";
return $where;
}
global $query_string;
query_posts( $query_string );
?>

<div class="txt">
<div class="home-c_t">
<ul class="home-tp">
<?php
add_filter( 'posts_where', 'filter_where' );
function filter_where( $where = '' ) {
$where .= " AND DATE(post_date) >= '" . date( 'Y-m-d', strtotime( '-2 years' ) ) . "'";
return $where;
}
global $query_string;
query_posts( $query_string );
?>
<?php query_posts("showposts=-1&cat=3");
while (have_posts()) : the_post();
?>
<?php
$cat = get_the_category();
$catslug = $cat[0]->slug; //スラッグ名
?>

<?php if(empty($post->post_content)) : ?>
<li class="newscontent">
<div class="<?php echo $catslug; ?> date"><?php the_time('Y.m.d');?></div>
<div id="post-<?php the_ID(); ?>"><?php the_title(); ?></div>
</li>
<?php else : ?>
<li class="newscontent">
<div class="<?php echo $catslug; ?> date"><?php the_time('Y.m.d');?></div>
<div id="post-<?php the_ID(); ?>"><a href="<?php the_permalink(); ?>" class="home-a_link"><?php the_title(); ?></a></div>
</li>
<?php endif; ?>
<?php endwhile; ?>
<?php wp_reset_query(); ?>
</ul>
</div>
</div>

<?php

class WP_Widget_Recent_Posts_Exclude extends WP_Widget {

function __construct() {
$widget_ops = array('classname' => 'widget_recent_entries', 'description' => __( "The most recent posts on your site") );
parent::__construct('recent-posts', __('Recent Posts with Exclude'), $widget_ops);
$this->alt_option_name = 'widget_recent_entries';

add_action( 'save_post', array(&$this, 'flush_widget_cache') );
add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
}

function widget($args, $instance) {
$cache = wp_cache_get('widget_recent_posts', 'widget');

if ( !is_array($cache) )
$cache = array();

if ( ! isset( $args['widget_id'] ) )
$args['widget_id'] = $this->id;

if ( isset( $cache[ $args['widget_id'] ] ) ) {
echo $cache[ $args['widget_id'] ];
return;
}

ob_start();
extract($args);

$title = apply_filters('widget_title', empty($instance['title']) ? __('Recent Posts') : $instance['title'], $instance, $this->id_base);
if ( empty( $instance['number'] ) || ! $number = absint( $instance['number'] ) )
$number = 10;
$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];

$r = new WP_Query(array('posts_per_page' => $number, 'no_found_rows' => true, 'post_status' => 'publish', 'ignore_sticky_posts' => true, 'category__not_in' => explode(',', $exclude) ));
if ($r->have_posts()) :
?>
<?php //echo print_r(explode(',', $exclude)); ?>
<?php echo $before_widget; ?>
<?php if ( $title ) echo $before_title . $title . $after_title; ?>
<ul>
<?php while ($r->have_posts()) : $r->the_post(); ?>
<li><a href="<?php the_permalink() ?>" title="<?php echo esc_attr(get_the_title() ? get_the_title() : get_the_ID()); ?>"><?php if ( get_the_title() ) the_title(); else the_ID(); ?></a></li>
<?php endwhile; ?>
</ul>
<?php echo $after_widget; ?>
<?php
// Reset the global $the_post as this query will have stomped on it
wp_reset_postdata();

endif;

$cache[$args['widget_id']] = ob_get_flush();
wp_cache_set('widget_recent_posts', $cache, 'widget');
}

function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
$instance['number'] = (int) $new_instance['number'];
$instance['exclude'] = strip_tags( $new_instance['exclude'] );
$this->flush_widget_cache();

$alloptions = wp_cache_get( 'alloptions', 'options' );
if ( isset($alloptions['widget_recent_entries']) )
delete_option('widget_recent_entries');

return $instance;
}

function flush_widget_cache() {
wp_cache_delete('widget_recent_posts', 'widget');
}

function form( $instance ) {
$title = isset($instance['title']) ? esc_attr($instance['title']) : '';
$number = isset($instance['number']) ? absint($instance['number']) : 5;
$exclude = esc_attr( $instance['exclude'] );
?>
<p><label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo $title; ?>" /></p>

<p><label for="<?php echo $this->get_field_id('number'); ?>"><?php _e('Number of posts to show:'); ?></label>
<input id="<?php echo $this->get_field_id('number'); ?>" name="<?php echo $this->get_field_name('number'); ?>" type="text" value="<?php echo $number; ?>" size="3" /></p>

<p>
<label for="<?php echo $this->get_field_id('exclude'); ?>"><?php _e( 'Exclude Category(s):' ); ?></label> <input type="text" value="<?php echo $exclude; ?>" name="<?php echo $this->get_field_name('exclude'); ?>" id="<?php echo $this->get_field_id('exclude'); ?>" class="widefat" />
<br />
<small><?php _e( 'Category IDs, separated by commas.' ); ?></small>
</p>
<?php
}
}

function WP_Widget_Recent_Posts_Exclude_init() {
unregister_widget('WP_Widget_Recent_Posts');
register_widget('WP_Widget_Recent_Posts_Exclude');
}

add_action('widgets_init', 'WP_Widget_Recent_Posts_Exclude_init');

?>