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run code in 150+ php & hhvm versions
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<?php setlocale(LC_ALL, 'fr_FR'); $float = 3.14; $string = "$float"; var_dump($string);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(4) "3.14"