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

How to Install CURL on CentOS Gnu/Linux Distro

GNU/Linux CentOS Installing cURL Guide

Hi! This tutorial will guide you step-by-step on How to Install cURL in CentOS GNU/Linux Distribution.

And cURL for CentOS 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 CentOS Installation Guide - Featured

GNU/Linux CentOS Curl Installation Guide