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run code in 150+ php & hhvm versions
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<?php print_r(localeconv());
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
Array ( [decimal_point] => . [thousands_sep] => [int_curr_symbol] => [currency_symbol] => [mon_decimal_point] => [mon_thousands_sep] => [positive_sign] => [negative_sign] => [int_frac_digits] => 127 [frac_digits] => 127 [p_cs_precedes] => 127 [p_sep_by_space] => 127 [n_cs_precedes] => 127 [n_sep_by_space] => 127 [p_sign_posn] => 127 [n_sign_posn] => 127 [grouping] => Array ( ) [mon_grouping] => Array ( ) )
Output for hhvm-3.10.0 - 3.12.0
Array ( [decimal_point] => . [thousands_sep] => [int_curr_symbol] => [currency_symbol] => [mon_decimal_point] => [mon_thousands_sep] => [positive_sign] => [negative_sign] => [int_frac_digits] => -1 [frac_digits] => -1 [p_cs_precedes] => -1 [p_sep_by_space] => -1 [n_cs_precedes] => -1 [n_sep_by_space] => -1 [p_sign_posn] => -1 [n_sign_posn] => -1 [grouping] => [mon_grouping] => )