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<?php setlocale('fi_FI'); $v = 0.1; $a = filter_var($v, FILTER_VALIDATE_FLOAT); var_dump($a); // dumps bool(false) ?
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: setlocale() expects at least 2 arguments, 1 given in /in/T3qBg:1 Stack trace: #0 /in/T3qBg(1): setlocale('fi_FI') #1 {main} thrown in /in/T3qBg on line 1
Process exited with code 255.

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