feat: add php 8.5 support

[Leiyks]

Description

Support PHP 8.5 for the Tracer, Appsec and the profiler.

Note: This version of PHP is meant to be released on November 20th.

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-11-07 14:17:05

Comparing candidate commit ab77adb in PR branch leiyks/php-8.5 with baseline commit 789048a in branch master.

Found 1 performance improvements and 4 performance regressions! Performance is the same for 188 metrics, 1 unstable metrics.

scenario:MessagePackSerializationBench/benchMessagePackSerialization-opcache

• 🟥 execution_time [+5.574µs; +7.706µs] or [+5.249%; +7.258%]

scenario:SamplingRuleMatchingBench/benchRegexMatching3

• 🟥 execution_time [+37.148ns; +115.052ns] or [+3.080%; +9.538%]

scenario:SamplingRuleMatchingBench/benchRegexMatching4

• 🟥 execution_time [+37.634ns; +111.966ns] or [+3.130%; +9.313%]

scenario:SpanBench/benchOpenTelemetryAPI

• 🟥 mem_peak [+946.680KB; +976.086KB] or [+2.251%; +2.321%]

scenario:TraceSerializationBench/benchSerializeTrace

• 🟩 execution_time [-34.617µs; -20.283µs] or [-7.919%; -4.640%]

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 61.76%. Comparing base (789048a) to head (e03aec6).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3400      +/-   ##
==========================================
- Coverage   61.86%   61.76%   -0.10%     
==========================================
  Files         142      142              
  Lines       12895    12895              
  Branches     1689     1689              
==========================================
- Hits         7977     7965      -12     
- Misses       4161     4171      +10     
- Partials      757      759       +2     

see 2 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 789048a...e03aec6. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pr-commenter]

Benchmarks [ profiler ]

Benchmark execution time: 2025-11-07 13:25:55

Comparing candidate commit ab77adb in PR branch leiyks/php-8.5 with baseline commit 789048a in branch master.

Found 0 performance improvements and 0 performance regressions! Performance is the same for 28 metrics, 8 unstable metrics.

[bwoebi]

Good job, the changes look solid.
Thanks for working on this :-)

Integration tests for 8.5 seem to be missing?