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<?php $tests = ['1.2', '1.0', '2.11']; foreach ($tests as $test) { sscanf($test, '%d.%d', $years, $months); $months += $years * 12; echo $months . PHP_EOL; }
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
14 12 35

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