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<?php class AliasPool { protected static $i = 0; public static function get () { $alias = 'tag_'; $j = self::$i; do { $alias .= chr(($j % 26) + ord('a')); $j = floor($j / 26); } while ($j > 26); self::$i++; return $alias; } } for ($i = 0; $i < 60; ++$i) { var_dump(AliasPool::get()); print "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
string(5) "tag_a" string(5) "tag_b" string(5) "tag_c" string(5) "tag_d" string(5) "tag_e" string(5) "tag_f" string(5) "tag_g" string(5) "tag_h" string(5) "tag_i" string(5) "tag_j" string(5) "tag_k" string(5) "tag_l" string(5) "tag_m" string(5) "tag_n" string(5) "tag_o" string(5) "tag_p" string(5) "tag_q" string(5) "tag_r" string(5) "tag_s" string(5) "tag_t" string(5) "tag_u" string(5) "tag_v" string(5) "tag_w" string(5) "tag_x" string(5) "tag_y" string(5) "tag_z" string(5) "tag_a" string(5) "tag_b" string(5) "tag_c" string(5) "tag_d" string(5) "tag_e" string(5) "tag_f" string(5) "tag_g" string(5) "tag_h" string(5) "tag_i" string(5) "tag_j" string(5) "tag_k" string(5) "tag_l" string(5) "tag_m" string(5) "tag_n" string(5) "tag_o" string(5) "tag_p" string(5) "tag_q" string(5) "tag_r" string(5) "tag_s" string(5) "tag_t" string(5) "tag_u" string(5) "tag_v" string(5) "tag_w" string(5) "tag_x" string(5) "tag_y" string(5) "tag_z" string(5) "tag_a" string(5) "tag_b" string(5) "tag_c" string(5) "tag_d" string(5) "tag_e" string(5) "tag_f" string(5) "tag_g" string(5) "tag_h"

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