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WP_Site_Health::get_test_theme_version() public WP 5.2.0

Test if themes are outdated, or unnecessary.

Сhecks if your site has a default theme (to fall back on if there is a need), if your themes are up to date and, finally, encourages you to remove any themes that are not needed.

Это метод класса: WP_Site_Health{}

Хуков нет.

Возвращает

Массив. The test results.

Использование

$WP_Site_Health = new WP_Site_Health();
$WP_Site_Health->get_test_theme_version();

Список изменений

С версии 5.2.0 Введена.

Код WP_Site_Health::get_test_theme_version() WP 5.5.1

wp-admin/includes/class-wp-site-health.php
<?php
public function get_test_theme_version() {
	$result = array(
		'label'       => __( 'Your themes are all up to date' ),
		'status'      => 'good',
		'badge'       => array(
			'label' => __( 'Security' ),
			'color' => 'blue',
		),
		'description' => sprintf(
			'<p>%s</p>',
			__( 'Themes add your site&#8217;s look and feel. It&#8217;s important to keep them up to date, to stay consistent with your brand and keep your site secure.' )
		),
		'actions'     => sprintf(
			'<p><a href="%s">%s</a></p>',
			esc_url( admin_url( 'themes.php' ) ),
			__( 'Manage your themes' )
		),
		'test'        => 'theme_version',
	);

	$theme_updates = get_theme_updates();

	$themes_total        = 0;
	$themes_need_updates = 0;
	$themes_inactive     = 0;

	// This value is changed during processing to determine how many themes are considered a reasonable amount.
	$allowed_theme_count = 1;

	$has_default_theme   = false;
	$has_unused_themes   = false;
	$show_unused_themes  = true;
	$using_default_theme = false;

	// Populate a list of all themes available in the install.
	$all_themes   = wp_get_themes();
	$active_theme = wp_get_theme();

	// If WP_DEFAULT_THEME doesn't exist, fall back to the latest core default theme.
	$default_theme = wp_get_theme( WP_DEFAULT_THEME );
	if ( ! $default_theme->exists() ) {
		$default_theme = WP_Theme::get_core_default_theme();
	}

	if ( $default_theme ) {
		$has_default_theme = true;

		if (
			$active_theme->get_stylesheet() === $default_theme->get_stylesheet()
		||
			is_child_theme() && $active_theme->get_template() === $default_theme->get_template()
		) {
			$using_default_theme = true;
		}
	}

	foreach ( $all_themes as $theme_slug => $theme ) {
		$themes_total++;

		if ( array_key_exists( $theme_slug, $theme_updates ) ) {
			$themes_need_updates++;
		}
	}

	// If this is a child theme, increase the allowed theme count by one, to account for the parent.
	if ( is_child_theme() ) {
		$allowed_theme_count++;
	}

	// If there's a default theme installed and not in use, we count that as allowed as well.
	if ( $has_default_theme && ! $using_default_theme ) {
		$allowed_theme_count++;
	}

	if ( $themes_total > $allowed_theme_count ) {
		$has_unused_themes = true;
		$themes_inactive   = ( $themes_total - $allowed_theme_count );
	}

	// Check if any themes need to be updated.
	if ( $themes_need_updates > 0 ) {
		$result['status'] = 'critical';

		$result['label'] = __( 'You have themes waiting to be updated' );

		$result['description'] .= sprintf(
			'<p>%s</p>',
			sprintf(
				/* translators: %d: The number of outdated themes. */
				_n(
					'Your site has %d theme waiting to be updated.',
					'Your site has %d themes waiting to be updated.',
					$themes_need_updates
				),
				$themes_need_updates
			)
		);
	} else {
		// Give positive feedback about the site being good about keeping things up to date.
		if ( 1 === $themes_total ) {
			$result['description'] .= sprintf(
				'<p>%s</p>',
				__( 'Your site has 1 installed theme, and it is up to date.' )
			);
		} else {
			$result['description'] .= sprintf(
				'<p>%s</p>',
				sprintf(
					/* translators: %d: The number of themes. */
					_n(
						'Your site has %d installed theme, and it is up to date.',
						'Your site has %d installed themes, and they are all up to date.',
						$themes_total
					),
					$themes_total
				)
			);
		}
	}

	if ( $has_unused_themes && $show_unused_themes && ! is_multisite() ) {

		// This is a child theme, so we want to be a bit more explicit in our messages.
		if ( $active_theme->parent() ) {
			// Recommend removing inactive themes, except a default theme, your current one, and the parent theme.
			$result['status'] = 'recommended';

			$result['label'] = __( 'You should remove inactive themes' );

			if ( $using_default_theme ) {
				$result['description'] .= sprintf(
					'<p>%s %s</p>',
					sprintf(
						/* translators: %d: The number of inactive themes. */
						_n(
							'Your site has %d inactive theme.',
							'Your site has %d inactive themes.',
							$themes_inactive
						),
						$themes_inactive
					),
					sprintf(
						/* translators: 1: The currently active theme. 2: The active theme's parent theme. */
						__( 'To enhance your site&#8217;s security, we recommend you remove any themes you&#8217;re not using. You should keep your current theme, %1$s, and %2$s, its parent theme.' ),
						$active_theme->name,
						$active_theme->parent()->name
					)
				);
			} else {
				$result['description'] .= sprintf(
					'<p>%s %s</p>',
					sprintf(
						/* translators: %d: The number of inactive themes. */
						_n(
							'Your site has %d inactive theme.',
							'Your site has %d inactive themes.',
							$themes_inactive
						),
						$themes_inactive
					),
					sprintf(
						/* translators: 1: The default theme for WordPress. 2: The currently active theme. 3: The active theme's parent theme. */
						__( 'To enhance your site&#8217;s security, we recommend you remove any themes you&#8217;re not using. You should keep %1$s, the default WordPress theme, %2$s, your current theme, and %3$s, its parent theme.' ),
						$default_theme ? $default_theme->name : WP_DEFAULT_THEME,
						$active_theme->name,
						$active_theme->parent()->name
					)
				);
			}
		} else {
			// Recommend removing all inactive themes.
			$result['status'] = 'recommended';

			$result['label'] = __( 'You should remove inactive themes' );

			if ( $using_default_theme ) {
				$result['description'] .= sprintf(
					'<p>%s %s</p>',
					sprintf(
						/* translators: 1: The amount of inactive themes. 2: The currently active theme. */
						_n(
							'Your site has %1$d inactive theme, other than %2$s, your active theme.',
							'Your site has %1$d inactive themes, other than %2$s, your active theme.',
							$themes_inactive
						),
						$themes_inactive,
						$active_theme->name
					),
					__( 'We recommend removing any unused themes to enhance your site&#8217;s security.' )
				);
			} else {
				$result['description'] .= sprintf(
					'<p>%s %s</p>',
					sprintf(
						/* translators: 1: The amount of inactive themes. 2: The default theme for WordPress. 3: The currently active theme. */
						_n(
							'Your site has %1$d inactive theme, other than %2$s, the default WordPress theme, and %3$s, your active theme.',
							'Your site has %1$d inactive themes, other than %2$s, the default WordPress theme, and %3$s, your active theme.',
							$themes_inactive
						),
						$themes_inactive,
						$default_theme ? $default_theme->name : WP_DEFAULT_THEME,
						$active_theme->name
					),
					__( 'We recommend removing any unused themes to enhance your site&#8217;s security.' )
				);
			}
		}
	}

	// If no default Twenty* theme exists.
	if ( ! $has_default_theme ) {
		$result['status'] = 'recommended';

		$result['label'] = __( 'Have a default theme available' );

		$result['description'] .= sprintf(
			'<p>%s</p>',
			__( 'Your site does not have any default theme. Default themes are used by WordPress automatically if anything is wrong with your chosen theme.' )
		);
	}

	return $result;
}