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WordPress程序中函数wp_get_themes()应用

  WordPress程序中函数wp_get_themes()描述:

  根据参数返回WP_Theme对象的数组。

WordPress程序中函数wp_get_themes()应用 (https://www.wpmee.com/) WordPress使用教程 第1张

  用法:

  <?php

  $all_themes = wp_get_themes();

  print_r($all_themes);

  ?>

  参数:

  $args

  (array)(可选)用来查询的参数

  'errors'

  (mixed)为true时返回有错误的主题,为false时返回没有错误的主题,为null则返回所有主题。默认为false。

  'allowed'

  (mixed)(多站点)(真),仅返回站点允许的主题。如果返回False,则仅返回网站不允许的主题。“网站”仅返回网站允许的主题。“网络”仅返回允许网络的主题。如果为Null,则返回所有主题。默认为空。

  'blog_id'

  (int)多站点)用于计算允许哪些主题的博客ID。默认为0

  默认值: array()

  WordPress程序源文件:

function wp_get_themes( $args = array() ) {
    global $wp_theme_directories;
 
    $defaults = array(
        'errors'  => false,
        'allowed' => null,
        'blog_id' => 0,
    );
    $args     = wp_parse_args( $args, $defaults );
 
    $theme_directories = search_theme_directories();
 
    if ( is_array( $wp_theme_directories ) && count( $wp_theme_directories ) > 1 ) {
        // Make sure the current theme wins out, in case search_theme_directories() picks the wrong
        // one in the case of a conflict. (Normally, last registered theme root wins.)
        $current_theme = get_stylesheet();
        if ( isset( $theme_directories[ $current_theme ] ) ) {
            $root_of_current_theme = get_raw_theme_root( $current_theme );
            if ( ! in_array( $root_of_current_theme, $wp_theme_directories ) ) {
                $root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme;
            }
            $theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme;
        }
    }
 
    if ( empty( $theme_directories ) ) {
        return array();
    }
 
    if ( is_multisite() && null !== $args['allowed'] ) {
        $allowed = $args['allowed'];
        if ( 'network' === $allowed ) {
            $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() );
        } elseif ( 'site' === $allowed ) {
            $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) );
        } elseif ( $allowed ) {
            $theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
        } else {
            $theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );
        }
    }
 
    $themes         = array();
    static $_themes = array();
 
    foreach ( $theme_directories as $theme => $theme_root ) {
        if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) ) {
            $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ];
        } else {
            $themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] );
        }
    }
 
    if ( null !== $args['errors'] ) {
        foreach ( $themes as $theme => $wp_theme ) {
            if ( $wp_theme->errors() != $args['errors'] ) {
                unset( $themes[ $theme ] );
            }
        }
    }
 
    return $themes;
}

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