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<?php var_dump(DateTimeZone::listIdentifiers( DateTimeZone::PER_COUNTRY, "BR" ));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(16) { [0]=> string(17) "America/Araguaina" [1]=> string(13) "America/Bahia" [2]=> string(13) "America/Belem" [3]=> string(17) "America/Boa_Vista" [4]=> string(20) "America/Campo_Grande" [5]=> string(14) "America/Cuiaba" [6]=> string(16) "America/Eirunepe" [7]=> string(17) "America/Fortaleza" [8]=> string(14) "America/Maceio" [9]=> string(14) "America/Manaus" [10]=> string(15) "America/Noronha" [11]=> string(19) "America/Porto_Velho" [12]=> string(14) "America/Recife" [13]=> string(18) "America/Rio_Branco" [14]=> string(16) "America/Santarem" [15]=> string(17) "America/Sao_Paulo" }
Output for 5.2.0 - 5.2.17
Fatal error: Undefined class constant 'PER_COUNTRY' in /in/6YQAt on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/6YQAt on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected ',', expecting '(' in /in/6YQAt on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected ',', expecting '(' in /in/6YQAt on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'('' in /in/6YQAt on line 3
Process exited with code 255.

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