我为myCRED创建了这个插件，以便在用户根据帖子中的附件数量发布帖子时给出一些分数。它正在工作，但问题是我无法更改myCred挂钩首选项中的“creds”和“log”！它们不会更新。

add_filter( \'mycred_setup_hooks\', \'image_count_hook\' );
function image_count_hook( $installed ) {
    $installed[\'images_count_hook\'] = array(
        \'title\'       => \'images count for published posts\',
        \'description\' => \'when user publishes a post, counts the number of images\',
        \'callback\'    => array( \'images_in_post_hook\' )
    );
    return $installed;
}
add_action(\'mycred_init\', \'load_image_count_hook\' );
function load_image_count_hook() {
    class images_in_post_hook extends myCRED_Hook {
    // Construct
    function __construct( $hook_prefs, $type = \'mycred_default\' ) {
        parent::__construct( array(
            \'id\'       => \'number_of_images_in_post\',
            \'defaults\' => array(
                \'image_count\' => array(
                    \'creds\'   => 70,
                    \'log\'     => \'%plural% for images\'
                ),
            )
        ), $hook_prefs, $type );
    }
    // Hook into WordPress
    public function run() {
        if ( $this->prefs[\'image_count\'][\'creds\'] != 0 )
            add_action( \'transition_post_status\', array( $this, \'count_images_in_post\' ), 30, 3 );
    }

    // Check if the user qualifies for points
    public function count_images_in_post( $new_status, $old_status, $post ) {
        $ID = $post->ID;
        $user_id = $post->post_author;
        $post_type = $post->post_type;

        // Check for exclusions
        if ( $this->core->exclude_user( $user_id ) === true ) return;

        // check if post is newly published
        if ( ! ($new_status == \'publish\'  &&  $old_status != \'publish\' && $old_status != \'private\') ) return;
        if ( $post_type != \'post\' ) return;
        // Make sure this is unique event
        if ( $this->core->has_entry( \'images_post_count\', $post_id, $user_id ) ) return;

        $attachments = get_children( array( \'post_parent\' => $ID, \'post_status\' => \'inherit\', \'post_type\' => \'attachment\', \'post_mime_type\' => \'image\', \'order\' => \'ASC\', \'orderby\' => \'menu_order ID\' ) );
        $total_attachments = count( $attachments );

        // Execute
        $this->core->add_creds(
            \'images_post_count\',
            $user_id,
            $this->prefs[\'image_count\'][\'creds\'] * $total_attachments,
            $this->prefs[\'image_count\'][\'log\'],
            $post_id,
            \'\',
            $this->mycred_type
        );
    }
        // Add Settings
    public function preferences() {
            // Our settings are available under $this->prefs
            $prefs = $this->prefs; ?>

    <label class="subheader" for="<?php echo $this->field_id( array(\'image_count\' => \'creds\') ); ?>"><?php echo $this->core->plural(); ?></label>
    <ol>
        <li>
            <div class="h2"><input type="text" name="<?php echo $this->field_name( array(\'image_count\' => \'creds\') ); ?>" id="<?php echo $this->field_id( array(\'image_count\' => \'creds\') ); ?>" value="<?php echo $this->core->number( $prefs[\'image_count\'][\'creds\'] ); ?>" size="8" /></div>
        </li>
    </ol>
    <label class="subheader" for="<?php echo $this->field_id( array(\'image_count\' => \'log\') ); ?>"><?php _e( \'Log template\', \'mycred\' ); ?></label>
    <ol>
        <li>
            <div class="h2"><input type="text" name="<?php echo $this->field_name( array(\'image_count\' => \'log\') ); ?>" id="<?php echo $this->field_id( array(\'image_count\' => \'log\') ); ?>" value="<?php echo $prefs[\'log\']; ?>" class="long" /></div>
        </li>
    </ol>
    <?php }
    }
}