Related to #1589

Analysis

Note: the last deprecation (increment operator with non-numeric strings) was merged in a PR targeting PHP 8.5.

Top 2000 Packages

It was impractical to analyze this change as it would require the ability to infer types.

3v4l.org

Increment/decrement operators - warnings on bool, deprecations on some strings, last change only observable in git.master (8.5)

Detection

Based on personal experience dealing with over a hundred legacy codebases, this is a common issue. However, it is impractical to detect this without the ability to infer types.

References

• RFC: Path to Saner Increment/Decrement operators
• PR: Path to Saner Increment/Decrement operators
• PR: Enact follow-up phase of the "Path to Saner Increment/Decrement operators" RFC
• PHP Manual:
  • Migrating from PHP 8.2.x to PHP 8.3.x - Deprecated Features
  • Incrementing/Decrementing Operators