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 ✅

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

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #2911   +/-   ##
=========================================
  Coverage     78.21%   78.21%           
  Complexity     2526     2526           
=========================================
  Files           173      173           
  Lines         18752    18752           
  Branches        988      988           
=========================================
  Hits          14667    14667           
  Misses         3544     3544           
  Partials        541      541           

Flag	Coverage Δ
appsec-extension	68.37% <ø> (ø)
tracer-extension	78.11% <ø> (ø)
tracer-php	82.09% <ø> (ø)

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[pr-commenter]

Benchmarks [ tracer ]

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

Comparing candidate commit 5ef917f in PR branch bob/fixhasthis with baseline commit dc68545 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%]