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[ExpressionLanguage] Compile numbers with var_export in Compiler::repr for thread-safety#62350
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…r for thread-safety
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This PR suggests replacing the
setlocale()logic inCompiler::repr()withvar_export()when compiling numbers.The current use of
setlocale()is not thread-safe and can cause race conditions in concurrent environments (e.g., Swoole, RoadRunner).var_export()is locale-independent, thread-safe, and correctly handles all required float formats (3.3,42.0,1.0E-6,INF,NAN), as confirmed by the expanded test suite.