Make stub file compatible with php 8.4+ parser

[bwoebi]

Fixes #3473.

[pr-commenter]

Benchmarks [ tracer ]

Benchmark execution time: 2025-11-07 19:16:14

Comparing candidate commit d6e9700 in PR branch bob/regen-arginfo with baseline commit 1554433 in branch master.

Found 1 performance improvements and 9 performance regressions! Performance is the same for 182 metrics, 2 unstable metrics.

scenario:ComposerTelemetryBench/benchTelemetryParsing

• 🟥 execution_time [+347.366ns; +1252.634ns] or [+3.277%; +11.817%]

scenario:HookBench/benchHookOverheadTraceFunction-opcache

• 🟥 execution_time [+3.846µs; +8.437µs] or [+2.324%; +5.097%]

scenario:HookBench/benchHookOverheadTraceMethod-opcache

• 🟥 execution_time [+5.083µs; +11.966µs] or [+2.963%; +6.976%]

scenario:SamplingRuleMatchingBench/benchRegexMatching1

• 🟥 execution_time [+100.703ns; +167.697ns] or [+8.640%; +14.388%]

scenario:SamplingRuleMatchingBench/benchRegexMatching2

• 🟥 execution_time [+59.546ns; +120.854ns] or [+5.030%; +10.209%]

scenario:SamplingRuleMatchingBench/benchRegexMatching3

• 🟥 execution_time [+77.566ns; +126.834ns] or [+6.552%; +10.713%]

scenario:SamplingRuleMatchingBench/benchRegexMatching4

• 🟥 execution_time [+103.793ns; +151.607ns] or [+8.854%; +12.932%]

scenario:SpanBench/benchOpenTelemetryAPI

• 🟥 mem_peak [+1.564MB; +1.586MB] or [+3.774%; +3.828%]

scenario:TraceAnnotationsBench/benchTraceAnnotationOverhead

• 🟥 execution_time [+4.841µs; +11.311µs] or [+2.298%; +5.369%]

scenario:TraceSerializationBench/benchSerializeTrace

• 🟩 execution_time [-38.987µs; -24.113µs] or [-8.818%; -5.454%]