After update 2.4.7->3.0.0 I see PHP warnings in dashboard (see attached screenshot).

I have dashboard filter enabled (see attached screenshot). Problem appear only when Problem display set to Unacknowledged only.

List of PHP/Zabbix-related packages:

evg@thinkpad ~ $rpm -qa|sort|egrep -i 'php|zabbix'
php5-5.6.16-alt1
php5-dom-5.6.16.20151125-alt1
php5-fpm-fcgi-5.6.16.20151125-alt1
php5-gd2-5.6.16.20151125-alt1
php5-libs-5.6.16-alt1
php5-mbstring-5.6.16.20151125-alt1
php5-mysql-5.6.16.20151125-alt1
php5-mysqli-5.6.16.20151125-alt1
php5-opcache-5.6.16.20151125-alt1.1
php5-sockets-5.6.16.20151125-alt1
php5-suhosin-0.9.38-alt5.6.16.20151125.alt1
php5-xmlrpc-5.6.16.20151125-alt1
php-base-2.7-alt3
python3-module-zabbix-api-0.3-alt2
python-module-zabbix-api-0.3-alt2
zabbix-agent-3.0.0-alt1
zabbix-agent-debuginfo-3.0.0-alt1
zabbix-agent-sudo-3.0.0-alt1
zabbix-common-3.0.0-alt1
zabbix-phpfrontend-engine-3.0.0-alt1
zabbix-server-common-3.0.0-alt1
zabbix-server-mysql-3.0.0-alt1
zabbix-server-mysql-debuginfo-3.0.0-alt1
zabbix_tool-0.1-alt4