Can't work at php 7.0.8

[Sun Jun 26 00:05:16.954292 2016] [:error] [pid 16296] [client xx.xxx.xx.xxx:54555] PHP Fatal error:  Uncaught Error: Call to undefined function xml_parser_create() in /public_html/wp-includes/class-IXR.php:264\nStack trace:\n#0 /public_html/wp-content/plugins/jetpack/class.jetpack-ixr-client.php(57): IXR_Message->parse()\n#1 /public_html/wp-content/plugins/jetpack/modules/sso.php(547): Jetpack_IXR_Client->query('jetpack.sso.req...')\n#2 /public_html/wp-content/plugins/jetpack/modules/sso.php(850): Jetpack_SSO::request_initial_nonce()\n#3 /public_html/wp-content/plugins/jetpack/modules/sso.php(370): Jetpack_SSO->build_sso_url()\n#4 /public_html/wp-includes/plugin.php(525): Jetpack_SSO->login_init('')\n#5 /public_html/wp-login.php(412): do_action('login_init')\n#6 {main}\n  thrown in /public_html/wp-includes/class-IXR.php on line 264

[Sun Jun 26 23:03:13.946757 2016] [:error] [pid 14445] [client xx.xxx.xx.xxx:59674] PHP Fatal error:  Uncaught Error: Call to undefined function xml_parser_create() in /public_html/wp-includes/class-IXR.php:264\nStack trace:\n#0 /public_html/wp-content/plugins/jetpack/class.jetpack-ixr-client.php(57): IXR_Message->parse()\n#1 /public_html/wp-content/plugins/jetpack/modules/subscriptions.php(937): Jetpack_IXR_Client->query('jetpack.fetchSu...')\n#2 /public_html/wp-content/plugins/jetpack/modules/subscriptions.php(993): Jetpack_Subscriptions_Widget->fetch_subscriber_count()\n#3 /public_html/wp-includes/class-wp-widget.php(513): Jetpack_Subscriptions_Widget->form(Array)\n#4 /public_html/wp-admin/includes/widgets.php(237): WP_Widget->form_callback(Array)\n#5 /public_html/wp-admin/includes/widgets.php(48): wp_widget_control(Array, Array)\n#6 /public_html/wp-admin/widgets.php(393): wp_list_widgets()\n#7 {main}\n  thrown in /public_html/wp-includes/class-IXR.php on line 264, referer: http://www.domain.com/wp-admin/edit.php?post_type=page

[Sun Jun 26 23:04:22.411889 2016] [:error] [pid 14445] [client xx.xxx.xx.xxx:59685] PHP Fatal error:  Uncaught Error: Call to undefined function xml_parser_create() in /public_html/wp-includes/class-IXR.php:264\nStack trace:\n#0 /public_html/wp-content/plugins/jetpack/class.jetpack-ixr-client.php(57): IXR_Message->parse()\n#1 /public_html/wp-content/plugins/jetpack/modules/subscriptions.php(937): Jetpack_IXR_Client->query('jetpack.fetchSu...')\n#2 /public_html/wp-content/plugins/jetpack/modules/subscriptions.php(993): Jetpack_Subscriptions_Widget->fetch_subscriber_count()\n#3 /public_html/wp-includes/class-wp-widget.php(513): Jetpack_Subscriptions_Widget->form(Array)\n#4 /public_html/wp-admin/includes/widgets.php(237): WP_Widget->form_callback(Array)\n#5 /public_html/wp-admin/includes/widgets.php(48): wp_widget_control(Array, Array)\n#6 /public_html/wp-admin/widgets.php(393): wp_list_widgets()\n#7 {main}\n  thrown in /public_html/wp-includes/class-IXR.php on line 264, referer: http://www.domain.com/wp-admin/widgets.php

[Sun Jun 26 23:19:07.830797 2016] [:error] [pid 14448] [client xxxx:xxxx::xxxx:xxxx:xxxx:xxxx:52216] PHP Fatal error:  Uncaught Error: Call to undefined function xml_parser_create() in /public_html/wp-includes/class-IXR.php:264\nStack trace:\n#0 /public_html/wp-content/plugins/jetpack/class.jetpack-ixr-client.php(57): IXR_Message->parse()\n#1 /public_html/wp-content/plugins/jetpack/class.jetpack-ixr-client.php(120): Jetpack_IXR_Client->query('system.multical...', Array)\n#2 /public_html/wp-content/plugins/jetpack/class.jetpack.php(5606): Jetpack_IXR_ClientMulticall->query()\n#3 /public_html/wp-includes/plugin.php(525): Jetpack::xmlrpc_async_call('')\n#4 /public_html/wp-includes/load.php(638): do_action('shutdown')\n#5 [internal function]: shutdown_action_hook()\n#6 {main}\n  thrown in /public_html/wp-includes/class-IXR.php on line 264