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<?php var_dump(sprintf('%4d.%2d.%2s-%2d.%2d.%1d','0111','11','1g','11','11','1'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(18) " 111.11.1g-11.11.1"