Update php 5.6 to 7.0.1 problems

[Maykel Franco <maykeldebian@xxxxxxxxx>]

[000][+][[user@arch-xbmc: /etc/php]] $ php --version
PHP Warning:  PHP Startup: Unable to load dynamic library
'/usr/lib/php/modules/mysql.so' - /usr/lib/php/modules/mysql.so:
cannot open shared object file: No such file or directory in Unknown
on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library
'/usr/lib/php/modules/openssl.so' - /usr/lib/php/modules/openssl.so:
cannot open shared object file: No such file or directory in Unknown
on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library
'/usr/lib/php/modules/posix.so' - /usr/lib/php/modules/posix.so:
cannot open shared object file: No such file or directory in Unknown
on line 0

Can I help me please?