wp_get_themes( array $args = array() ): WP_Theme[]

35function wp_get_themes( $args = array() ) {36	global $wp_theme_directories;37 38	$defaults = array(39		'errors'  => false,40		'allowed' => null,41		'blog_id' => 0,42	);43	$args     = wp_parse_args( $args, $defaults );44 45	$theme_directories = search_theme_directories();46 47	if ( is_array( $wp_theme_directories ) && count( $wp_theme_directories ) > 1 ) {48		/*49		 * Make sure the active theme wins out, in case search_theme_directories() picks the wrong50		 * one in the case of a conflict. (Normally, last registered theme root wins.)51		 */52		$current_theme = get_stylesheet();53		if ( isset( $theme_directories[ $current_theme ] ) ) {54			$root_of_current_theme = get_raw_theme_root( $current_theme );55			if ( ! in_array( $root_of_current_theme, $wp_theme_directories, true ) ) {56				$root_of_current_theme = WP_CONTENT_DIR . $root_of_current_theme;57			}58			$theme_directories[ $current_theme ]['theme_root'] = $root_of_current_theme;59		}60	}61 62	if ( empty( $theme_directories ) ) {63		return array();64	}65 66	if ( is_multisite() && null !== $args['allowed'] ) {67		$allowed = $args['allowed'];68		if ( 'network' === $allowed ) {69			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_network() );70		} elseif ( 'site' === $allowed ) {71			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed_on_site( $args['blog_id'] ) );72		} elseif ( $allowed ) {73			$theme_directories = array_intersect_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );74		} else {75			$theme_directories = array_diff_key( $theme_directories, WP_Theme::get_allowed( $args['blog_id'] ) );76		}77	}78 79	$themes         = array();80	static $_themes = array();81 82	foreach ( $theme_directories as $theme => $theme_root ) {83		if ( isset( $_themes[ $theme_root['theme_root'] . '/' . $theme ] ) ) {84			$themes[ $theme ] = $_themes[ $theme_root['theme_root'] . '/' . $theme ];85		} else {86			$themes[ $theme ] = new WP_Theme( $theme, $theme_root['theme_root'] );87 88			$_themes[ $theme_root['theme_root'] . '/' . $theme ] = $themes[ $theme ];89		}90	}91 92	if ( null !== $args['errors'] ) {93		foreach ( $themes as $theme => $wp_theme ) {94			if ( (bool) $wp_theme->errors() !== $args['errors'] ) {95				unset( $themes[ $theme ] );96			}97		}98	}99 100	return $themes;101}