Easier way to update PHP 5.5 to 7.0 on an older version of XAMPP

Question

I'm using XAMPP for windows 5.5.37 and can't run this "composer update" command to install the required dependencies.

I was following this guide: https://devcenter.heroku.com/articles/getting-started-with-php?singlepage=true#declare-app-dependencies and come across with some problems.

After running composer update:

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
    - twig/twig v2.9.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.8.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.8.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.7.4 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.7.3 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.7.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.7.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.7.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.6.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.6.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.6.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.5.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.8 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.7 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.6 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.5 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.4 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.3 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.4.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.3.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.3.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.3.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.2.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.13.1 requires php >=7.1.3 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.13.0 requires php >=7.1.3 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.5 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.4 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.3 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.12.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.11.3 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.11.2 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.11.1 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.11.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.10.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.1.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - twig/twig v2.0.0 requires php ^7.0 -> your PHP version (5.5.37) does not satisfy that requirement.
    - Installation request for twig/twig ^2.0 -> satisfiable by twig/twig[v2.0.0, v2.1.0, v2.10.0, v2.11.0, v2.11.1, v2.11.2, v2.11.3, v2.12.0, v2.12.1, v2.12.2, v2.12.3, v2.12.4, v2.12.5, v2.13.0, v2.13.1, v2.2.0, v2.3.0, v2.3.1, v2.3.2, v2.4.0, v2.4.1, v2.4.2, v2.4.3, v2.4.4, v2.4.5, v2.4.6, v2.4.7, v2.4.8, v2.5.0, v2.6.0, v2.6.1, v2.6.2, v2.7.0, v2.7.1, v2.7.2, v2.7.3, v2.7.4, v2.8.0, v2.8.1, v2.9.0].

How can I safely update my PHP version to 7.0 from 5.5?

[PHP 7.0 is beyond end of life](https://www.php.net/supported-versions.php), you should upgrade to a version that is actually supported. — Quentin, Aug 06 '20 at 14:10
Also, if upgrading is still a problem, show what you've tried. Upgrading PHP on your local system is not related to Heroku or Composer, so please don't use unrelated tags — Nico Haase, Aug 06 '20 at 14:43

Easier way to update PHP 5.5 to 7.0 on an older version of XAMPP

0 Answers0