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<?php $a = array(10,1234,144,2,101,231,213); $out = array_map(function ($v) { return implode('/', str_split($v)) . "/$v.txt"; }, $a); print_r($out);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1/0/10.txt [1] => 1/2/3/4/1234.txt [2] => 1/4/4/144.txt [3] => 2/2.txt [4] => 1/0/1/101.txt [5] => 2/3/1/231.txt [6] => 2/1/3/213.txt )

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