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

How to Install PHP Composer on Mint Gnu/Linux Distro

GNU/Linux Mint Installing PHP Composer Guide

Hi! This Short Tutorial shows you Step-by-step How to Install PHP Composer in Mint GNU/Linux Desktops.

And Composer for Linux Mint 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.

Install PHP Composer Linux Mint - Featured

GNU/Linux Mint PHP Composer Library Manager Installation Guide