PHP7windows support

1. Core:

The 64-bit version of PHP7 natively supports 64-bit integers.

The 64-bit version adds support for large files.

Support getrusage().

2. ftp

ftp extension is always provided in a shared way.

SSL support no longer relies on the openssl extension, but only on the openssl library. If openssl support is added during compilation, ftp_ssl_connect will be automatically activated.

3. imap

Static compilation of ext/imap is disabled.

4. odbc

The odbc module is always provided in a shared manner.