_php

function _php() {
  case "$1" in
    -h|--help)
      echo "usage: _php [version] [opts]"
    ;;
    -v|--version)
      echo "_php version 0.0.0"
    ;;
    system)
      _php_reset
    ;;
    "")
      local star
      for i in ${__php_LIST}; do
        if [ "$i" = "${php_ROOT}" ]
        then
          star="*"
        else
          star=" "
        fi
        echo " $star $(basename $i)"
      done
    ;;
    *)
      for i in ${__php_LIST}; do
        if [[ `basename "$i"` == *$1* ]]
        then
          shift
          _php_use "$i" "$*"
          return "$?"
        fi
      done
      echo "_php: unknown php: $1"
    ;;
  esac
}
function _php_use() {
  if [ -n ${php_ROOT} ]
  then
    _php_reset
  fi
  export php_ROOT="$1"
  if [ -n "${_php_fragment}" ]
  then
    export PATH=$(echo "${PATH}"| sed -e "s|${_php_fragment}||" -e "s|::|:|" -e "s|^:||" -e "s|:$||")
  fi
  _php_fragment="${_php_fragment}:${php_ROOT}/bin"
  export PATH="${_php_fragment}:$PATH"
}
function _php_reset() {
  if [ -n "${_php_fragment}" ]
  then
    export PATH=$(echo "${PATH}"| sed -e "s|${_php_fragment}||" -e "s|::|:|" -e "s|^:||" -e "s|:$||")
  fi
  _php_fragment=''
  if [ -n "${php_ROOT}" ]
  then
    unset php_ROOT
  fi
}