Alvaro

<a href="https://gutenberg-showcase.melonpan.io/melonpan-block-code" rel="nofollow ugc">Demo</a> – <a href="https://melonpan.io/wordpress-plugins/melonpan-block-code" rel="nofollow ugc">Documentation</a> – <a href="https://github.com/garciaalvaro/melonpan-block-code" rel="nofollow ugc">GitHub</a>
Block to display code, with highlighted syntax, which can be copied to the clipboard.
<h3>Features</h3>
The block comes with the following settings:
<ul>
<li>Code language: JavaScript, CSS, PHP, etc. <a href="https://prismjs.com/#languages-list" rel="nofollow ugc">Full list of languages</a>.</li>
<li>Color theme</li>
<li>Label: Top left label that can be customized. By default the code language.</li>
<li>Copy button: Top right button to copy the block content.</li>
<li>Padding</li>
<li>Border width and Border radius</li>
</ul>
<h3>Usage</h3>
The block can be found inside the blocks inserter menu under the Melonpan Blocks category. 
Once added in the post you can edit its settings on the Editor sidebar under the Block settings panel. 
Switch between the previewer and editor views to edit the code and see its styled output.

Melonpan Block – Code

Block to display code, with highlighted syntax, which can be copied to the clipboard.

Agus Prawoto Hadi

Prism is one of the most popular syntax highlighters that widely used by a lot of blog or websites, some of them are popular websites, such as Mozilla, drupal, and SitePoint.
One reason why a lot of websites prefer to use this highlighter is because it’s ability to do custom builds of the language highlighter and plugins you want to be used
This plugin helps you to do all of those tasks and bring this code highlighter to your WordPress easily, provided with many features and user-friendly GUI, make it handy and easy to use.
** Features. **
<ul>
<li>Simple and easy to use</li>
<li>Support both Classic and Guttenberg block editor</li>
<li>All possible syntax languages provided by Prism</li>
<li>Full GUI, don’t need to hardcode parameters</li>
<li>Easy to make a custom build. Choose your own language, theme, and some plugins easily</li>
<li>Custom container max-height. Useful when displaying long code.</li>
<li>Easy to add custom CSS. Useful for responsive design.</li>
<li>Easy to edit code that has been written in tinyMCE text editor (screenshot 4)</li>
<li>Write and Edit code in place. The textarea of code editor, support tab, and back tab, so you can directly edit or write your code, rather than switch back to your code editor.</li>
<li>Load script on demand, load javascript and CSS file of prism highlighter only when needed</li>
<li>Ability to override global options and use individual options for each code block</li>
<li>Support TinyMCE Visual mode and Text Mode (Quick Tags), it also supports the Quick tags used in the admin comment page (screenshot 5)</li>
<li>Use similar pattern with <a href="https://wordpress.org/plugins/aph-syntax-highlighter/" title="APH Syntax Highlighter" rel="ugc">APH Syntax Highlighter</a> and <a href="https://wordpress.org/plugins/crayon-syntax-highlighter/" title="Crayon Syntax Highlighter" rel="ugc">Crayon Syntax Highlighter</a> plugins, so your code will still work using those plugins</li>
<li>Language added: Light plain and dark plain</li>
</ul>
<h3>How To Use</h3>
After installing the plugin, go to the admin setting Settings > Prism Highlighter to configure the global setting including the highlighter languages you want to load, theme, etc.
In the TinyMCE menu (add or edit post or page), there is a new button that can be used to pop up the code editor, simply copy-paste your code and fill in some options
This new button also can be found at the quick tags of comment editor in the Admin Edit Comments page. This quick tag appears when you edit or reply a comment.

APH Prism Syntax Highlighter

The best!

After searching hours and hours for a code highlighting plugin I ended up with this one and it just works. Thank you! 👌

Works! 💯

bro, you forgot to update it

Bringing Prism into WordPress easily. User-friendly GUI, support both classic editor and block editor. Support tab & back-tab in the code editor.

Melonpan Block – Code vs APH Prism Syntax Highlighter