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<?php $i = 37; for ($i = 0;$i <= 37;$i++) { eval('$hex = "\{$i}";'); var_dump($hex); }
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "\{0}" string(4) "\{1}" string(4) "\{2}" string(4) "\{3}" string(4) "\{4}" string(4) "\{5}" string(4) "\{6}" string(4) "\{7}" string(4) "\{8}" string(4) "\{9}" string(5) "\{10}" string(5) "\{11}" string(5) "\{12}" string(5) "\{13}" string(5) "\{14}" string(5) "\{15}" string(5) "\{16}" string(5) "\{17}" string(5) "\{18}" string(5) "\{19}" string(5) "\{20}" string(5) "\{21}" string(5) "\{22}" string(5) "\{23}" string(5) "\{24}" string(5) "\{25}" string(5) "\{26}" string(5) "\{27}" string(5) "\{28}" string(5) "\{29}" string(5) "\{30}" string(5) "\{31}" string(5) "\{32}" string(5) "\{33}" string(5) "\{34}" string(5) "\{35}" string(5) "\{36}" string(5) "\{37}"

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