我使用以下代码来显示下一个fixture的小部件。所有数据都显示正确，但自定义分类数据（季节和比赛）未保存在管理站点中。当我试图保存数据时，它会显示“所有季节”和“所有比赛”，而不是所需的季节和比赛。
代码：
<?php
/**
* Posts Widget
*
* @package Smart Blog
* @since 1.0
*/
add_action( \'widgets_init\', \'themepixels_register_widget_posts\' );
function themepixels_register_widget_posts() {
register_widget( \'themepixels_widget_posts\' );
}
class themepixels_widget_posts extends WP_Widget {
public function __construct() {
$widget_ops = array( \'classname\' => \'posts_widget\', \'description\' => __( \'Fixture\', \'themepixels\' ) );
parent::__construct( \'themepixels_posts\', __( \'Football Fixture\', \'themepixels\' ), $widget_ops );
}
public function widget( $args, $instance ) {
extract($args);
$title = apply_filters(\'widget_title\', $instance[\'title\']);
$seasons = $instance[\'seasons\'];
$competitions = $instance[\'competitions\'];
$posts_order_by = $instance[\'posts_order_by\'];
$posts_time_range = $instance[\'posts_time_range\'];
$post_count = intval( $instance[\'post_count\'] );
echo $before_widget;
if( $title ) {
echo $before_title . $title . $after_title;
}
$args = array(
\'post_type\' => \'football_fixture\',
\'posts_per_page\' => $post_count,
\'orderby\' => $posts_order_by,
\'order\' => \'DESC\',
\'meta_query\' => array(
array(
\'key\' => \'pb_match_status\',
\'value\' => \'fixture\'
),
),
);
$fixture_query = new WP_Query($args); ?>
<?php while ($fixture_query->have_posts()) : $fixture_query->the_post(); ?>
<div class="competition-result clearfix" id="post-<?php the_ID(); ?>">
<?php
$id = get_the_ID();
$date = rwmb_meta( \'pb_match_date\',\'\', $post->ID);
$time = rwmb_meta( \'pb_match_time\',\'\', $post->ID );
$team_home = get_post_meta( get_the_ID(), \'match_details_home_team\', true );
$team_away = get_post_meta( get_the_ID(), \'match_details_away_team\', true );
$team_home_score = get_post_meta( get_the_ID(), \'pb_home_score\', true );
$team_away_score = get_post_meta(get_the_ID(), \'pb_away_score\', true );
?>
<div class="widget-fixture-details">
<aside class="widget-competition-home-team-name-left">
<a href="<?php echo get_link_football_team( $team_home ); ?>"><?php echo $team_home; ?></a>
</aside>
<aside class="widget-competition-team-logo-and-time">
<button type="button" class="btn match-time-button">
<span>
<?php
if ( $team_home_score ) {
echo $team_home_score;
}
?>
</span>-
<span>
<?php
if ( $team_away_score ) {
echo $team_away_score;
}
?>
</span>
</button>
</aside>
<aside class="widget-competition-home-team-name-right">
<a href="<?php echo get_link_football_team( $team_away ); ?>"><?php echo $team_away; ?></a>
</aside>
<aside class="widget-football-match-centre-details">
<div class="football-match-details" data-toggle="tooltip" data-placement="top" title="Click for details">
<a href="<?php the_permalink(); ?>"><i class="fa fa-arrow-right" aria-hidden="true"></i></a>
</div>
</aside>
</div>
</div><!--End post-->
<?php endwhile; ?>
<?php wp_reset_postdata(); ?>
<?php echo $after_widget;
}
public function update( $new_instance, $old_instance ) {
$instance = $old_instance;
$instance[\'title\'] = strip_tags($new_instance[\'title\']);
$instance[\'seasons\'] = $new_instance[\'seasons\'];
$instance[\'competitions\'] = $new_instance[\'competitions\'];
$instance[\'posts_order_by\'] = $new_instance[\'posts_order_by\'];
$instance[\'post_count\'] = $new_instance[\'post_count\'];
return $instance;
}
public function form( $instance ) {
$defaults = array(
\'title\' => \'\',
\'taxonomy\' => \'0\',
\'meta_key\' => \'pb_match_date\',
\'posts_order_by\' => \'meta_value\',
\'post_count\' => 5,
);
$instance = wp_parse_args( (array) $instance, $defaults ); ?>
<p>
<label for="<?php echo $this->get_field_id(\'title\'); ?>"><?php _e( \'Title:\', \'themepixels\' ); ?></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 esc_attr( $instance[\'title\'] ); ?>" />
</p>
<p>
<label for="<?php echo $this->get_field_id( \'competitions\' ); ?>"><?php _e( \'Competitions:\', \'sntheme\' ); ?></label>
<select class="widefat" id="<?php echo $this->get_field_id( \'competitions\' ); ?>" name="<?php echo $this->get_field_name( \'competitions\' ); ?>">
<option value="">All Competitions</option>
<?php
$terms = get_terms("competition");
$count = count($terms);
if($count > 0) { foreach ( $terms as $term ) {
if($competitions == $term->term_id) {
echo \'<option selected="selected" value="\'.$term->term_id.\'">\'.$term->name.\'</option>\';
} else {
echo \'<option value="\'.$term->term_id.\'">\'.$term->name.\'</option>\';
}
}
}
?>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id( \'seasons\' ); ?>"><?php _e( \'Seasons:\', \'sntheme\' ); ?></label>
<select class="widefat" id="<?php echo $this->get_field_id( \'seasons\' ); ?>" name="<?php echo $this->get_field_name( \'seasons\' ); ?>">
<option value="">All Seasons</option>
<?php
$terms = get_terms("session");
$count = count($terms);
if($count > 0) { foreach ( $terms as $term ) {
if($seasons == $term->term_id) {
echo \'<option selected="selected" value="\'.$term->term_id.\'">\'.$term->name.\'</option>\';
} else {
echo \'<option value="\'.$term->term_id.\'">\'.$term->name.\'</option>\';
}
}
}
?>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id(\'posts_order_by\'); ?>"><?php _e( \'Order by:\', \'themepixels\' ); ?></label>
<select name="<?php echo $this->get_field_name(\'posts_order_by\'); ?>" id="<?php echo $this->get_field_id(\'posts_order_by\'); ?>" class="widefat">
<option value="meta_value"<?php selected( $instance[\'posts_order_by\'], \'meta_value\' ); ?>><?php _e( \'Date\', \'themepixels\' ); ?></option>
</select>
</p>
<p>
<label for="<?php echo $this->get_field_id(\'post_count\'); ?>"><?php _e( \'Number of posts to show:\', \'themepixels\' ); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id(\'post_count\'); ?>" name="<?php echo $this->get_field_name(\'post_count\'); ?>" type="text" value="<?php echo intval( $instance[\'post_count\'] ); ?>" />
</p>
<?php
}
}
