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<?php echo var_export(array('type' => 'object', 'properties' => array('one' => 'one')) + array('properties' => array('two' => 'two')));
Output for git.master, git.master_jit, rfc.property-hooks
array ( 'type' => 'object', 'properties' => array ( 'one' => 'one', ), )

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