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<?php $list = [ 'fruit' => [], 'animals' => [], 'objects' => [] ]; $dataArray = [ 'fruit' => 'apple', 'animals' => ['dog', 'cat'], 'asd' => 'bla' ]; foreach ($list as $k => &$v) { if (isset($dataArray[$k])) { $v = (array)$dataArray[$k]; } } var_export($list);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 'fruit' => array ( 0 => 'apple', ), 'animals' => array ( 0 => 'dog', 1 => 'cat', ), 'objects' => array ( ), )

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