博悦天下
WordPress程序中函数wp_get_themes()描述：
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; }
