Fix bad hasThis() check on PHP 7.0

[bwoebi]

Capturing $this on PHP 7.0 segfaulted.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 78.21%. Comparing base (dc68545) to head (5ef917f). Report is 1 commits behind head on master.

Additional details and impacted files

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Benchmarks [ tracer ]

Benchmark execution time: 2024-10-23 08:46:11

Comparing candidate commit 5ef917f5bcaadab12f65ad3e826185b739820d3b in PR branch bob/fixhasthis with baseline commit dc6854512e4a7af297ef53937db5b3933af00367 in branch master.

Found 3 performance improvements and 0 performance regressions! Performance is the same for 175 metrics, 0 unstable metrics.

scenario:EmptyFileBench/benchEmptyFileBaseline

• 🟩 execution_time [-224.783µs; -68.677µs] or [-7.528%; -2.300%]

scenario:PDOBench/benchPDOBaseline

• 🟩 execution_time [-13.997µs; -7.940µs] or [-7.305%; -4.144%]

scenario:TraceSerializationBench/benchSerializeTrace

• 🟩 execution_time [-10.505µs; -4.795µs] or [-5.375%; -2.453%]