Woody Code Snippets Premium Nulled will make your life so much easier. The plugin helps to create and store code snippets or duplicated text in a special library at the admin bar of your website. Use the shortcode to add a snippet anywhere on your website. Or do it automatically, for example: head, footer and post injections. You can show or hide code snippets using conditional logic.
Demo : https://wordpress.org/plugins/insert-php/