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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);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array(2) { [863]=> array(5) { ["id"]=> int(863) ["flag"]=> int(2) ["qty"]=> int(2) ["size"]=> int(8) ["name"]=> string(33) "Bead Headed Prince Nymphs size 18" } [861]=> array(5) { ["id"]=> int(861) ["flag"]=> int(2) ["qty"]=> int(2) ["size"]=> int(8) ["name"]=> string(33) "Bead Headed Prince Nymphs size 14" } }

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