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<?php $a = array('a'=>'{a}', 'b' => '{b}'); $b = array_merge(array('a' => '[a]'), $a); var_dump($a); var_dump($b);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["a"]=> string(3) "{a}" ["b"]=> string(3) "{b}" } array(2) { ["a"]=> string(3) "{a}" ["b"]=> string(3) "{b}" }

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