PHPize Online / SQLize Online  /  SQLtest Online

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<?php $arr1 = [ 33 => [ 0 => 30319, 1 => 30318, 2 => 30315 ], 32 => [ 0 => 21300, 1 => 45988 ] ]; $arr2 = [ 33 => [ 0 => 50209, 1 => 50149 ] ]; foreach($arr1 as $k=>&$v) { if(is_array($arr2[$k])) { $v = array_merge($v, $arr2[$k]); } } print_r($arr1);
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