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

How to Install CURL on Mint Gnu/Linux Distro

June 15, 2020 | By the+gnu+linux+evangelist.

GNU/Linux Mint Installing cURL Guide

How to Install cURL on Mint GNU/Linux desktops – Step by step Tutorials.

And cURL for Linux Mint is a Computer Software Project providing a Library libcurl and Command-Line Tool curl for Transferring Data using various Network Protocols.

Step-by-step cURL Mint Installation Guide - Featured

GNU/Linux Mint cURL Installation Guide