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<?php $hexColor = '012'; echo implode('', array_map(function($color){ return str_repeat($color, 2); }, str_split($hexColor))); echo PHP_EOL; echo preg_replace("~([0-9a-f])~", "\\1\\1", $hexColor); echo PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
001122 001122

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