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<?php $array = []; $lastChar = null; foreach (str_split('10001101') as $char) { if ($char !== $lastChar) { unset($ref); $array[] = &$ref; $ref = $char; $lastChar = $char; } else { $ref .= $char; } } var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '1', 1 => '000', 2 => '11', 3 => '0', 4 => '1', )

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