https://documentation.cpanel.net/display/EA4/PHP+HomeEasyApache 4 supports PHP versions 5.4, 5.5, 5.6, 7.0, 7.1, and 7.2.
UBB.threads 7.6.2 (current to today/2018-12-30) supports PHP 5.4, 5.5, and 5.6.
UBB.threads 7.7.0 will support PHP 5.5, 5.6, 7.0, and 7.1.
PHP 7.2 support for UBB.threads has a few remaining showstoppers that are being worked out as I type