Helper to switch between brew versions of PHP

switch-php.sh

#!/usr/bin/env bash
CX="\033[0m"
CR="\033[31m"
CG="\033[32m"
CY="\033[33m"

FULL_VER=`php -r 'echo phpversion();'`
VER=`php -r 'echo phpversion();' | cut -d '.' -f1,2`

echo -e "${CY}Current PHP version:${CX} ${FULL_VER}";

if [ "$VER" == "5.6" ]; then
	(brew unlink php@5.6 && brew link php@7.2) >/dev/null
else
	(brew unlink php@7.2 && brew link --force php@5.6) >/dev/null
fi

NEW_VER=`php -r 'echo phpversion();'`
echo -e "${CG}New PHP version:${CX}     ${NEW_VER}";