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<?php $cookie = '101(2)_102(3)_103(5)'; preg_match_all('/(?<=^|_)([^(]+)\((\d+)\)(?=_|$)/', $cookie, $matches); $ids = $matches[1]; $counts = $matches[2]; echo "Total IDs: " . count($ids) . ", total count: " . array_sum($counts) . PHP_EOL; $counts = array_combine($matches[1], $matches[2]); echo "Total IDs: " . count($counts) . ", total count: " . array_sum($counts). PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
Total IDs: 3, total count: 10 Total IDs: 3, total count: 10

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