question on PHP7.0 install

[Bill Christensen]

Previous versions of php.ini contained a line such as:

mysql.default_socket=/opt/local/var/run/mysql56/mysqld.sock

in php7.0, that line does not exist by default.

Do I need to define mysql.default_socket for php7 (with the correct mysql
version, of course), or not?  Will adding such a line mess things up?

Thanks.
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