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<?php var_dump(setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'de', 'ge')); var_dump((float)"1,1");
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false) float(1)