Deprecation notices flood logs on PHP 8
The plugin triggers PHP deprecation notices on PHP 8, filling site logs, and reporters ask for a compatible update.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 31 May 2023 · last reported 28 January 2026
What's going wrong
Site owners running PHP 8 report that the Campaign Monitor for WordPress plugin generates deprecated-type warnings about return types in its interface classes.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.