Instalação do cakephp pelo componser instalou a versão 4 com erro de dependência

:~$ composer create-project --prefer-dist cakephp/app estoque Installing cakephp/app (4.0.3)

• Installing cakephp/app (4.0.3): Loading from cache Created project in estoque Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.

  Problem 1

  • cakephp/cakephp 4.0.6 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.5 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.4 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.3 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.2 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.1 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-beta4 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-beta3 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-beta2 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-beta1 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-alpha2 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-alpha1 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-RC2 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0-RC1 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • cakephp/cakephp 4.0.0 requires ext-intl * -> the requested PHP extension intl is missing from your system.
  • Installation request for cakephp/cakephp ^4.0 -> satisfiable by cakephp/cakephp[4.0.0, 4.0.0-RC1, 4.0.0-RC2, 4.0.0-alpha1, 4.0.0-alpha2, 4.0.0-beta1, 4.0.0-beta2, 4.0.0-beta3, 4.0.0-beta4, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6].

  To enable extensions, verify that they are enabled in your .ini files:

  • /etc/php/7.2/cli/php.ini
  • /etc/php/7.2/cli/conf.d/10-opcache.ini
  • /etc/php/7.2/cli/conf.d/10-pdo.ini
  • /etc/php/7.2/cli/conf.d/20-calendar.ini
  • /etc/php/7.2/cli/conf.d/20-ctype.ini
  • /etc/php/7.2/cli/conf.d/20-exif.ini
  • /etc/php/7.2/cli/conf.d/20-fileinfo.ini
  • /etc/php/7.2/cli/conf.d/20-ftp.ini
  • /etc/php/7.2/cli/conf.d/20-gettext.ini
  • /etc/php/7.2/cli/conf.d/20-iconv.ini
  • /etc/php/7.2/cli/conf.d/20-json.ini
  • /etc/php/7.2/cli/conf.d/20-phar.ini
  • /etc/php/7.2/cli/conf.d/20-posix.ini
  • /etc/php/7.2/cli/conf.d/20-readline.ini
  • /etc/php/7.2/cli/conf.d/20-shmop.ini
  • /etc/php/7.2/cli/conf.d/20-sockets.ini
  • /etc/php/7.2/cli/conf.d/20-sysvmsg.ini
  • /etc/php/7.2/cli/conf.d/20-sysvsem.ini
  • /etc/php/7.2/cli/conf.d/20-sysvshm.ini
  • /etc/php/7.2/cli/conf.d/20-tokenizer.ini You can also run php --ini inside terminal to see which files are used by PHP in CLI mode.