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<?php $params = ['add'=>'']; $arr = $params + ['add'=> [], 'remove' =>[]]; //$arr = array_merge(['add'=> [], 'remove' =>[]], $params); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["add"]=> string(0) "" ["remove"]=> array(0) { } }

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