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<?php $array1 =[ ["id"=> "1", "uid"=>'123', "status"=>'0'], ["id"=> "2", "uid"=>'321', "status"=>'1'] ]; $array2 =[ ["uid"=> "123", "name"=>'张三'], ["uid"=> "321", "name"=>'李四'] ]; $array2 = array_column($array2, 'name', 'uid'); foreach($array1 as &$arr) $arr['uid'] = $array2[$arr['uid']]; var_dump($array1);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(3) { ["id"]=> string(1) "1" ["uid"]=> string(6) "张三" ["status"]=> string(1) "0" } [1]=> &array(3) { ["id"]=> string(1) "2" ["uid"]=> string(6) "李四" ["status"]=> string(1) "1" } }

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