user->user_login, $super_admins, true );
		if ( false !== $key ) {
			unset( $super_admins[ $key ] );
			update_site_option( 'site_admins', $super_admins );

			/**
			 * Fires after the user's Super Admin privileges are revoked.
			 *
			 * @since 3.0.0
			 *
			 * @param int $user_id ID of the user Super Admin privileges were revoked from.
			 */
			do_action( 'revoked_super_admin', $user_id );
			return true;
		}
	}
	return false;
}

/**
 * Filters the user capabilities to grant the 'install_languages' capability as necessary.
 *
 * A user must have at least one out of the 'update_core', 'install_plugins', and
 * 'install_themes' capabilities to qualify for 'install_languages'.
 *
 * @since 4.9.0
 *
 * @param bool[] $allcaps An array of all the user's capabilities.
 * @return bool[] Filtered array of the user's capabilities.
 */
function wp_maybe_grant_install_languages_cap( $allcaps ) {
	if ( ! empty( $allcaps['update_core'] ) || ! empty( $allcaps['install_plugins'] ) || ! empty( $allcaps['install_themes'] ) ) {
		$allcaps['install_languages'] = true;
	}

	return $allcaps;
}

/**
 * Filters the user capabilities to grant the 'resume_plugins' and 'resume_themes' capabilities as necessary.
 *
 * @since 5.2.0
 *
 * @param bool[] $allcaps An array of all the user's capabilities.
 * @return bool[] Filtered array of the user's capabilities.
 */
function wp_maybe_grant_resume_extensions_caps( $allcaps ) {
	// Even in a multisite, regular administrators should be able to resume plugins.
	if ( ! empty( $allcaps['activate_plugins'] ) ) {
		$allcaps['resume_plugins'] = true;
	}

	// Even in a multisite, regular administrators should be able to resume themes.
	if ( ! empty( $allcaps['switch_themes'] ) ) {
		$allcaps['resume_themes'] = true;
	}

	return $allcaps;
}

/**
 * Filters the user capabilities to grant the 'view_site_health_checks' capabilities as necessary.
 *
 * @since 5.2.2
 *
 * @param bool[]   $allcaps An array of all the user's capabilities.
 * @param string[] $caps    Required primitive capabilities for the requested capability.
 * @param array    $args {
 *     Arguments that accompany the requested capability check.
 *
 *     @type string    $0 Requested capability.
 *     @type int       $1 Concerned user ID.
 *     @type mixed  ...$2 Optional second and further parameters, typically object ID.
 * }
 * @param WP_User  $user    The user object.
 * @return bool[] Filtered array of the user's capabilities.
 */
function wp_maybe_grant_site_health_caps( $allcaps, $caps, $args, $user ) {
	if ( ! empty( $allcaps['install_plugins'] ) && ( ! is_multisite() || is_super_admin( $user->ID ) ) ) {
		$allcaps['view_site_health_checks'] = true;
	}

	return $allcaps;
}

return;

// Dummy gettext calls to get strings in the catalog.
/* translators: User role for administrators. */
_x( 'Administrator', 'User role' );
/* translators: User role for editors. */
_x( 'Editor', 'User role' );
/* translators: User role for authors. */
_x( 'Author', 'User role' );
/* translators: User role for contributors. */
_x( 'Contributor', 'User role' );
/* translators: User role for subscribers. */
_x( 'Subscriber', 'User role' );
lt set by a specific number of items.' ),
			'type'        => 'integer',
		);

		$query_params['order'] = array(
			'description' => __( 'Order sort attribute ascending or descending.' ),
			'type'        => 'string',
			'default'     => 'desc',
			'enum'        => array( 'asc', 'desc' ),
		);

		$query_params['orderby'] = array(
			'description' => __( 'Sort collection by object attribute.' ),
			'type'        => 'string',
			'default'     => 'date',
			'enum'        => array(
				'date',
				'id',
				'include',
				'relevance',
				'slug',
				'include_slugs',
				'title',
			),
		);

		return $query_params;
	}

	/**
	 * Checks the post excerpt and prepare it for single post output.
	 *
	 * @since 4.7.0
	 *
	 * @param string  $excerpt The post excerpt.
	 * @param WP_Post $post    Post revision object.
	 * @return string Prepared excerpt or empty string.
	 */
	protected function prepare_excerpt_response( $excerpt, $post ) {

		/** This filter is documented in wp-includes/post-template.php */
		$excerpt = apply_filters( 'the_excerpt', $excerpt, $post );

		if ( empty( $excerpt ) ) {
			return '';
		}

		return $excerpt;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WP_REST_Revisions_Controller' not found in /home/tourismg/public_html/wp-includes/rest-api/endpoints/class-wp-rest-template-revisions-controller.php:17
Stack trace:
#0 /home/tourismg/public_html/wp-settings.php(289): require()
#1 /home/tourismg/public_html/wp-config.php(96): require_once('/home/tourismg/...')
#2 /home/tourismg/public_html/wp-load.php(50): require_once('/home/tourismg/...')
#3 /home/tourismg/public_html/wp-blog-header.php(13): require_once('/home/tourismg/...')
#4 /home/tourismg/public_html/index.php(17): require('/home/tourismg/...')
#5 {main}
  thrown in <b>/home/tourismg/public_html/wp-includes/rest-api/endpoints/class-wp-rest-template-revisions-controller.php</b> on line <b>17</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /home/tourismg/public_html/wp-includes/l10n.php:850
Stack trace:
#0 /home/tourismg/public_html/wp-includes/l10n.php(953): load_textdomain()
#1 /home/tourismg/public_html/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/home/tourismg/public_html/wp-includes/l10n.php</b> on line <b>850</b><br />