Ports using USES=php:phpize, php:ext, php:zend, and php:pecl are now
  flavored.  They will automatically get flavors (php56, php70, php71, php72)
  depending of the versions they support (set with IGNORE_WITH_PHP).  As a
  consequence, ports using USES=pear and USES=horde are also flavored.

PR:		226242
Submitted by:	mat
Exp-run by:	antoine
Approved by:	portmgr
Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D14208