>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3314751. --> Reported by: [fjgarlin](https://www.drupal.org/user/2495842) Related to !1 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <pre>PHP Deprecated:&nbsp; The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in /var/www/html/web/modules/contrib/drupalorg_drupalcon/dcon_core/dcon_core.module on line 320<br><br>Deprecated: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in /var/www/html/web/modules/contrib/drupalorg_drupalcon/dcon_core/dcon_core.module on line 320</pre><h4 id="summary-steps-reproduce">Steps to reproduce</h4> <p>Install the module on a project with PHP8+</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Fix the deprecations.</p> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <h3 id="summary-ui-changes">User interface changes</h3> <h3 id="summary-api-changes">API changes</h3> <h3 id="summary-data-model-changes">Data model changes</h3>