与我赤裸。我想在媒体上载弹出页面中默认选择自定义图像大小。在Wordpress v3中。4.2及之前，此优雅的代码运行良好：

function my_insert_custom_image_sizes( $sizes ) {
    // get the custom image sizes
    global $_wp_additional_image_sizes;
    // if there are none, just return the built-in sizes
    if ( empty( $_wp_additional_image_sizes ) )
        return $sizes;

    // add all the custom sizes to the built-in sizes
    foreach ( $_wp_additional_image_sizes as $id => $data ) {
        // take the size ID (e.g., \'my-name\'), replace hyphens with spaces,
        // and capitalise the first letter of each word
        if ( !isset($sizes[$id]) )
            $sizes[$id] = ucfirst( str_replace( \'-\', \' \', $id ) );
    }

    return $sizes;
}


// Which custom image size selected by default
function my_set_default_image_size () { 
     return \'custom-image-size-2\';
}


function custom_image_setup () {
    add_theme_support( \'post-thumbnails\' );
    add_image_size( \'custom-image-size-1\', 160, 9999 ); //  columned
    add_image_size( \'custom-image-size-2\', 300, 9999 ); //  medium
    add_image_size( \'custom-image-size-3\', 578, 190, true ); //  cropped
    add_filter( \'image_size_names_choose\', \'my_insert_custom_image_sizes\' );
    add_filter( \'pre_option_image_default_size\', \'my_set_default_image_size\' );
}

add_action( \'after_setup_theme\', \'custom_image_setup\' );

所以，my_insert_custom_image_sizes 将自定义图像添加到媒体页面，然后my_set_default_image_size 应选择custom-image-size-2 大小此代码已停止使用Wordpress 3.5版本。您知道我如何在v3中实现这一点吗。5.

function theme_default_image_size() {
    return \'custom-image-size-2\';
}
add_filter( \'pre_option_image_default_size\', \'theme_default_image_size\' );

update_option( \'image_default_size\', \'custom-image-size-2\' );

if ( function_exists( \'add_theme_support\' ) ) {
    add_theme_support( \'post-thumbnails\' );
        set_post_thumbnail_size( 150, 150 ); // default Post Thumbnail dimensions   
}


function custom_image_setup () {

        add_theme_support(\'post-thumbnails\');
        set_post_thumbnail_size(640,320);

    add_image_size( \'custom-image-size-1\', 180, 9999 ); //  columned
    add_image_size( \'custom-image-size-2\', 350, 9999 ); //  medium
    add_image_size( \'custom-image-size-3\', 600, 250, true ); //  cropped

    add_filter( \'image_size_names_choose\', \'theme_custom_image_sizes\' );
    add_filter( \'pre_option_image_default_size\', \'theme_default_image_size\' );
}


if ( function_exists( \'add_image_size\' ) ) { 
    add_image_size( \'category-thumb\', 300, 9999 ); //300 pixels wide (and unlimited height)
    add_image_size( \'homepage-thumb\', 220, 180, true ); //(cropped)
}

if ( has_post_thumbnail() ) { the_post_thumbnail( \'category-thumb\' ); }