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<?php $a = array('xml' => array( 'attributes' => array( 'version' => '1.0', 'encoding' => 'utf-8', ), )); $t = array('test' => 'my_test_123'); $t = array(); $a['xml']['attributes'] = array_merge($a['xml']['attributes'], $t); print_r($a);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [xml] => Array ( [attributes] => Array ( [version] => 1.0 [encoding] => utf-8 ) ) )

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