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<?php $reflector = new \ReflectionExtension('intl'); ob_start(); $reflector->info(); $output = ob_get_clean(); preg_match('/^ICU version => (.*)$/m', $output, $matches); print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => ICU version => 57.1 [1] => 57.1 )

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