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<?php $capabilities = []; $capabilities['a'][] = 't1'; $capabilities['a'][] = 't2'; var_dump($capabilities);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["a"]=> array(2) { [0]=> string(2) "t1" [1]=> string(2) "t2" } }

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