#!/bin/bash

PHP_VERSIONS=(`ls -ld /usr/local/php5* | awk '{print $9}'`)
CURRENT_VERSION=(`ls -ld /usr/local/php5 | awk '{print $11}'`)
bold=$(tput bold)
normal=$(tput sgr0)

num_versions=$(( ${#PHP_VERSIONS[@]} - 1 ))
echo "Choose a PHP version... 1-${num_versions}"

for (( i=1; i < ${#PHP_VERSIONS[@]}; i++ ));  do
  if [ "${PHP_VERSIONS[i]}" = ${CURRENT_VERSION} ]; then
    echo "${bold}$i. ${PHP_VERSIONS[i]}${normal}"
  else
    echo "$i. ${PHP_VERSIONS[i]}"
  fi
done

unset i
while [[ ! ${i} =~ ^[0-9]+$ ]]; do
  read i
  ! [[ ${i} -ge 1 && ${i} -lt ${#PHP_VERSIONS[@]}  ]] && unset i
done

echo "Using PHP" ${PHP_VERSIONS[i]}

sudo unlink /usr/local/php5
sudo ln -s "${PHP_VERSIONS[i]}" /usr/local/php5
php --version