移除Wordpress自带Meta（功能）小工具中的无用链接

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function coolwp_remove_meta_widget() {    /*移除Wordpress自带的Meta小工具*/    unregister_widget('WP_Widget_Meta');    /*注册自己的Meta小工具*/    register_widget('WP_Widget_Meta_Mod');}add_action( 'widgets_init', 'coolwp_remove_meta_widget' );/*自定义小工具扩展类 */class WP_Widget_Meta_Mod extends WP_Widget {    function __construct() {        $widget_ops = array('classname' => 'widget_meta', 'description' => __( "Log in/out, admin, feed and WordPress links") );        parent::__construct('meta', __('Meta'), $widget_ops);    }    function widget( $args, $instance ) {        extract($args);        $title = apply_filters('widget_title', emptyempty($instance['title']) ? __('Meta') : $instance['title'], $instance, $this->id_base);        echo $before_widget;        if ( $title )            echo $before_title . $title . $after_title;        ?>        <ul>            <?php wp_register(); ?>            <li><?php wp_loginout(); ?></li>            <?php wp_meta(); ?>        </ul>        <?php        echo $after_widget;    }    function update( $new_instance, $old_instance ) {        $instance = $old_instance;        $instance['title'] = strip_tags($new_instance['title']);        return $instance;    }    function form( $instance ) {        $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) );        $title = strip_tags($instance['title']);        ?>        <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 $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p>        <?php    }}

function coolwp_remove_meta_widget() { /*移除Wordpress自带的Meta小工具*/ unregister_widget('WP_Widget_Meta'); /*注册自己的Meta小工具*/ register_widget('WP_Widget_Meta_Mod');}add_action( 'widgets_init', 'coolwp_remove_meta_widget' );/*自定义小工具扩展类 */class WP_Widget_Meta_Mod extends WP_Widget { function __construct() { $widget_ops = array('classname' => 'widget_meta', 'description' => __( "Log in/out, admin, feed and WordPress links") ); parent::__construct('meta', __('Meta'), $widget_ops); } function widget( $args, $instance ) { extract($args); $title = apply_filters('widget_title', emptyempty($instance['title']) ? __('Meta') : $instance['title'], $instance, $this->id_base); echo $before_widget; if ( $title ) echo $before_title . $title . $after_title; ?> <ul> <?php wp_register(); ?> <li><?php wp_loginout(); ?></li> <?php wp_meta(); ?> </ul> <?php echo $after_widget; } function update( $new_instance, $old_instance ) { $instance = $old_instance; $instance['title'] = strip_tags($new_instance['title']); return $instance; } function form( $instance ) { $instance = wp_parse_args( (array) $instance, array( 'title' => '' ) ); $title = strip_tags($instance['title']); ?> <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 $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>" /></p> <?php }}