PHP 8.4 support

[realFlowControl]

Description

This PR will bring support for PHP 8.4 🎉

PROF-10137

Reviewer checklist

• Test coverage seems ok.
• Appropriate labels assigned.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 78.24%. Comparing base (093ef34) to head (2c614f2).

Files with missing lines	Patch %	Lines
appsec/src/extension/backtrace.c	66.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2758      +/-   ##
============================================
+ Coverage     78.21%   78.24%   +0.02%     
  Complexity     2526     2526              
============================================
  Files           173      135      -38     
  Lines         18752    14400    -4352     
  Branches        988      989       +1     
============================================
- Hits          14667    11267    -3400     
+ Misses         3544     2591     -953     
- Partials        541      542       +1     

Flag	Coverage Δ
appsec-extension	68.36% <66.66%> (-0.01%)	⬇️
tracer-extension	?
tracer-php	82.09% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
appsec/src/extension/configuration.c	62.62% <ø> (ø)
appsec/src/extension/ddappsec.c	70.56% <ø> (ø)
appsec/src/extension/ddtrace.c	60.00% <ø> (ø)
appsec/src/extension/helper_process.c	62.23% <ø> (ø)
appsec/src/extension/ip_extraction.c	75.00% <ø> (ø)
appsec/src/extension/logging.c	71.11% <ø> (ø)
appsec/src/extension/logging.h	100.00% <ø> (ø)
appsec/src/extension/msgpack_helpers.c	55.05% <ø> (ø)
appsec/src/extension/php_objects.c	85.71% <ø> (ø)
appsec/src/extension/request_abort.c	72.28% <ø> (ø)
... and 3 more

... and 38 files with indirect coverage changes

---

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[pr-commenter]

Benchmarks

Benchmark execution time: 2024-09-12 13:37:00

Comparing candidate commit 29864d4 in PR branch florian/php-8.4 with baseline commit ddf15fe in branch master.

Found 1 performance improvements and 2 performance regressions! Performance is the same for 175 metrics, 0 unstable metrics.

scenario:PDOBench/benchPDOBaseline-opcache

• 🟥 execution_time [+12.483µs; +14.526µs] or [+6.994%; +8.139%]

scenario:PDOBench/benchPDOOverhead-opcache

• 🟥 execution_time [+13.733µs; +16.923µs] or [+4.781%; +5.892%]

scenario:WordPressBench/benchWordPressOverhead

• 🟩 execution_time [-21.857ms; -21.671ms] or [-82.926%; -82.218%]

[bwoebi]

We have 14 CI failures left. Nothing critical, something we theoretically might release with.
Let's merge it and improve upon it later.