PHP 7.0 install breaks on pear

[tomjanssens]

Error thrown:

Connecting to pear.php.net (pear.php.net)|109.203.101.62|:443... connected. ERROR: cannot verify pear.php.net's certificate, issued by ‘/C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=PositiveSSL CA 2’: Unable to locally verify the issuer's authority. To connect to pear.php.net insecurely, use --no-check-certificate'. make: *** [install-pear] Error 5 ERROR: install failed!`

This bug has been reported on PHP's bug tracker already, see https://bugs.php.net/bug.php?id=71048 for a short-term workaround.