install php 5.6.40 with brew

build.sh

## install openssl 1.0.2t
cd /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/
git checkout 8b9d6d688f483a0f33fcfc93d433de501b9c3513 -- openssl.rb
brew install openssl

## build php: "/usr/local/Cellar/icu4c/64.2" is a specific icu4c version.
LDFLAGS=-L/usr/local/Cellar/icu4c/64.2 \
CONFIGURE_OPTS="--with-pear --with-openssl=/usr/local/Cellar/openssl/1.0.2t --with-icu-dir=/usr/local/Cellar/icu4c/64.2" \
phpenv install 5.6.40


## php 5.3
PHP_AUTOCONF=/usr/local/opt/[email protected]/bin/autoconf213 \
LDFLAGS=-L/usr/local/Cellar/icu4c/64.2 \
CONFIGURE_OPTS="--with-pear --with-openssl=/usr/local/Cellar/openssl/1.0.2t --with-icu-dir=/usr/local/Cellar/icu4c/64.2" \
phpenv install 5.3.29