HEADSUP! The binary tools SDK suitable for VC15 and PHP 7.2 is available from https://github.com/Microsoft/php-sdk-binary-tools

VC15 dependency binaries by library
http://windows.php.net/downloads/php-sdk/deps/vc15/

VC14 dependency binaries by library
http://windows.php.net/downloads/php-sdk/deps/vc14/

VC11 dependency binaries by library
http://windows.php.net/downloads/php-sdk/deps/vc11/

Archives with older dependency packages per library, including earlier runtimes
http://windows.php.net/downloads/php-sdk/deps/archives/

*.7z files contain the complete set of all the PHP dependency binaries.
NOTE .7z packages are not provided for PHP 7.2+ anymore. The new binary SDK provides the `phpsdk_deps` tool for dependency handling.

Dependency library sources
https://github.com/winlibs