azurecurve

The cpl shortcode allows links to be generated when the page exists; allows index or other pages to be built before child or other linked pages. Adds anchor tags to valid links otherwise outputs plain text.
Shortcode allows cpl, Cpl or CPL to be used for conditional page loinks and cbl, Cbl or CBL for conditional blog links. The following formats are valid: 
[cpl slug=”link”]
[cpl title=”this link title”]link[/cpl]
[cpl slug=”link” title=”the link title”]
This plugin is supported with WordPress multisite installations.
This plugin supports language translations. If you want to translate this plugin please sent the .po and .mo files to wordpress.translations@azurecurve.co.uk for inclusion in the next version (full credit will be given). The .pot fie is in the languages folder of the plugin and can also be downloaded from the plugin page on http://development.azurecurve.co.uk.

azurecurve Conditional Page Links

The cpl shortcode allows links to be generated when the page exists; allows index or other pages to be built before child or other linked pages.

leocolomb

This plugin adds internal and external links into post and page, based on different sources:
<ul>
<li>Custom keywords</li>
<li>Posts</li>
<li>Pages</li>
<li>Categories</li>
<li>Tags</li>
</ul>
The plugin provides simple and standard interfaces:
<ul>
<li>Clean & clear admin page that allow highly customizable usage</li>
<li>Useful CLI commands</li>
<li>Respect PHP standards, web standards and security standards</li>
</ul>
Low load impact in mind, some requirements are requested:
<ul>
<li>PHP 7.2+ (⚠ requirement)</li>
<li>WordPress 5.0+ (⚠ requirement)</li>
<li>Object Cache handler (⚠ requirement)</li>
</ul>
<h3>Contributors</h3>
<a href="https://colombaro.fr" rel="nofollow ugc">Léo Colombaro</a>

azurecurve Conditional Page Links vs Auto Links for WordPress