Simple and dinamic switch php version

switch-php.sh

#!/bin/bash

current_version=$(php -v | grep -o -E 'PHP [0-9]+\.[0-9]+' | awk '{print $2}')
start_version=$1

if [[ -z "$start_version" ]]; then
  echo "Error: No PHP version specified to activate."
  echo "Use: $0 <version>"
  exit 1
fi

start-php() {

  if ! command -v php"$start_version" &>/dev/null; then
    echo "PHP version $start_version is not installed. Installing..."
    if ! install-php "$start_version"; then
      echo "Failed to install PHP $start_version."
      return 1
    fi
  fi

  sudo a2enmod php"$start_version" >/dev/null
  echo "* Restarting Apache..."
  sudo service apache2 restart >/dev/null

  echo "* Switching CLI PHP to $start_version..."
  sudo update-alternatives --set php /usr/bin/php"$start_version" >/dev/null

  sudo update-alternatives --set php /usr/bin/php"$start_version" >/dev/null
  sudo update-alternatives --set phar /usr/bin/phar"$start_version" >/dev/null
  sudo update-alternatives --set phar.phar /usr/bin/phar.phar"$start_version" >/dev/null
  sudo update-alternatives --set phpize /usr/bin/phpize"$start_version" >/dev/null
  sudo update-alternatives --set php-config /usr/bin/php-config"$start_version" >/dev/null

  echo "* Switch to PHP $start_version complete."

}

stop-php() {
  echo "* Disabling Apache PHP $current_version module..."
  sudo a2dismod php"$current_version" >/dev/null
}

install-php() {
  local version="$1"
  echo "* Refreshing software repositories..."
  sudo apt-get update >/dev/null

  # Verificar si la versión deseada está disponible en el repositorio
  if ! apt-cache showpkg php"$version" | grep -q "php$version"; then
    echo "Error: PHP version $version is not available in the repository."
    return 1
  fi

  # Verificar si la versión deseada está disponible en el repositorio
  if ! dpkg -s php"$version" &>/dev/null; then
    if grep -q "^deb.*https://ppa.launchpadcontent.net/ondrej/php/ubuntu/.*jammy.*main" /etc/apt/sources.list /etc/apt/sources.list.d/*; then
      echo "The repository ppa:ondrej/php already exists."
    else
      echo "* Setting up third-party repository to allow installation of multiple PHP versions..."
      sudo add-apt-repository -y ppa:ondrej/php >/dev/null

      echo "* Refreshing software repositories..."
      sudo apt-get update >/dev/null

    fi

    echo "* Installing prerequisite software packages..."
    sudo apt-get install -y software-properties-common >/dev/null

    echo "* Installing PHP $version..."
    sudo apt-get install -y php"$version" php"$version"-common php"$version"-cli >/dev/null

    echo "* Installing PHP $version extensions..."
    sudo apt-get install -y php"$version"-pgsql php"$version"-curl php"$version"-mcrypt php"$version"-soap php"$version"-bz2 php"$version"-gd php"$version"-mysql php"$version"-sqlite3 php"$version"-json php"$version"-opcache php"$version"-xml php"$version"-mbstring php"$version"-readline php"$version"-xmlrpc php"$version"-zip php-redis php"$version"-xdebug >/dev/null

    echo "* Installing additional PHP extensions..."
    sudo apt-get install -y php-composer-xdebug-handler php-memcache php-memcached php-redis >/dev/null
  else
    echo "PHP version $version is not available in the repository2."
    return 1
  fi

}

stop-php
start-php