Fatal error: Uncaught Error: Call to undefined function Automattic\Jetpack\Image_CDN\str_contains() in /volume1/web/wordpress/wp-content/plugins/jetpack-boost/jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php:397
Stack trace:
#0 /volume1/web/wordpress/wp-includes/class-wp-hook.php(303): Automattic\Jetpack\Image_CDN\Image_CDN::filter_the_content('\n
\xE8\x88\x87\xE5\x85\xB6\xE3\x80\x8C\xE8\xAB...')
#1 /volume1/web/wordpress/wp-includes/plugin.php(189): WP_Hook->apply_filters('\n
\xE8\x88\x87\xE5\x85\xB6\xE3\x80\x8C\xE8\xAB...', Array)
#2 /volume1/web/wordpress/wp-includes/post-template.php(253): apply_filters('the_content', '