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<?php $a = 0; for ($i = 0; $i < 5; ++$i) var_dump(++$a); for ($i = 0; $i < 5; ++$i) var_dump(str_pad($a, 3, '0', STR_PAD_LEFT));
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(2) int(3) int(4) int(5) string(3) "005" string(3) "005" string(3) "005" string(3) "005" string(3) "005"

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