Does Craft work with PHP 7? I'm attempting to run Craft (2.4.2696) on a server with PHP 7 RC, and I'm seeing the following PHP warning:

Declaration of Craft\DbCommand::addForeignKey($table, $columns, $refTable, $refColumns, $delete = NULL, $update = NULL) should be compatible with CDbCommand::addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = NULL, $update = NULL)


It's only a warning, and with devMode off, the site seems to function well. I'm not going to put anything that throws warnings into production, though.

My question(s): What is the cause for this warning, and is it something I can fix myself? Does Craft officially support PHP 7?
As @mmikkel pointed out, as of Craft 2.4.2697, Craft is PHP 7 compatible.