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

Step by step – PHP 5.6 Elementary OS 5 Installation

June 7, 2020 | By the+gnu+linux+evangelist.

GNU/Linux Elementary OS 5 Install PHP 5.6 – Step by step Guide

How to Install PHP 5.6 on Elementary OS 5.0-Juno/5.1-Hera GNU/Linux desktop – Step by step Tutorial.

And to get the PHP 5.6 Elementary OS 5 Setup you have to Manually Setup the Elementary OS Apt PPA Repository.

Finally, this PHP 5.6 PPA includes also All the most Useful Extensions for PHP usage.

How to Install PHP 5.6 on Elementary OS 5.x - Featured
  1. 1. Launching Terminal

    Open a Terminal window
    (Press “Enter” to Execute Commands).

    How to Install PHP 5.6 on Elementary OS 5.x - Open Terminal Shell Emulator
    In case first see: Terminal QuickStart Guide.