$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install PHP Composer on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Installing PHP Composer Guide

Hi! The linked Tutorial shows you Step-by-step How to Install PHP Composer on Ubuntu GNU/Linux Desktops.

And Composer for Ubuntu is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.

Because Composer Manages Packages or Libraries on a Per-Project Basis, Installing them in a Directory Inside your Project.

Finally, this Setup is valid for all the Ubuntu-based Distros like:

  • Linux Mint
  • Zorin OS
  • Lubuntu
  • Elementary OS
  • Kde Neon
  • Pop_OS!
  • Xubuntu
  • Linux Lite
  • Bodhi
  • Puppy
  • Kubuntu
  • LXLE
  • Trisquel
  • Voyager Ubuntu
  • feren OS
  • Peppermint
  • Linux Ultimate Edition

    • (You may just need to Discover what’s the Parent Release)

Install PHP Composer Ubuntu - Featured

GNU/Linux Ubuntu PHP Composer Library Manager Installation Guide