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<?php $summ = 20.01; var_dump([ sprintf('%.2f', $summ), sprintf('%02.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), sprintf('%2.2f', $summ), ]);
Output for git.master, git.master_jit, rfc.property-hooks
array(11) { [0]=> string(5) "20.01" [1]=> string(5) "20.01" [2]=> string(5) "20.01" [3]=> string(9) "20.010000" [4]=> string(5) "20.01" [5]=> string(5) "20.01" [6]=> string(5) "20.01" [7]=> string(5) "20.01" [8]=> string(5) "20.01" [9]=> string(5) "20.01" [10]=> string(5) "20.01" }

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