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<?php echo (new ReflectionExtension('intl'))->info();
Output for 7.3.0 - 7.4.0
intl Internationalization support => enabled ICU version => 57.1 ICU Data version => 57.1 ICU TZData version => 2016b ICU Unicode version => 8.0 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.2.6 - 7.2.25
intl Internationalization support => enabled version => 1.1.0 ICU version => 57.1 ICU Data version => 57.1 ICU TZData version => 2016b ICU Unicode version => 8.0 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.2.1 - 7.2.4
intl Internationalization support => enabled version => 1.1.0 ICU version => 60.2 ICU Data version => 60.2 ICU TZData version => 2017c ICU Unicode version => 10.0 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.2.0
intl Internationalization support => enabled version => 1.1.0 ICU version => 60.1 ICU Data version => 60.1 ICU TZData version => 2017c ICU Unicode version => 10.0 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.1.0, 7.1.20 - 7.1.33
intl Internationalization support => enabled version => 1.1.0 ICU version => 57.1 ICU Data version => 57.1 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.1.13 - 7.1.16
intl Internationalization support => enabled version => 1.1.0 ICU version => 60.2 ICU Data version => 60.2 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.1.12
intl Internationalization support => enabled version => 1.1.0 ICU version => 60.1 ICU Data version => 60.1 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.1.5 - 7.1.11
intl Internationalization support => enabled version => 1.1.0 ICU version => 59.1 ICU Data version => 59.1 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0
Output for 7.1.1 - 7.1.4
intl Internationalization support => enabled version => 1.1.0 ICU version => 58.2 ICU Data version => 58.2 Directive => Local Value => Master Value intl.default_locale => no value => no value intl.error_level => 0 => 0 intl.use_exceptions => 0 => 0