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<?php $firstarray = array ( Array ( 'id' => 863, 'flag' => 2, 'qty' => 2, 'size' => 8 ), Array ( 'id' => 861, 'flag' => 2, 'qty' => 2, 'size' => 8 ) ); $twoarray = array ( '863' => "Bead Headed Prince Nymphs size 18", '861' => "Bead Headed Prince Nymphs size 14" ); // Make firstarray associative $firstarray = array_column($firstarray, NULL,"id"); Foreach($twoarray as $key => $val){ $firstarray[$key]['name'] = $val; } Var_dump($firstarray);

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