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<?php $array = array( '0' => array( 'names' => array(0 => 'Apple'), 'group' => 1 ), '1' => array( 'names' => array(0 => 'Mango'), 'group' => 1 ), '2' => array( 'names' => array(0 => 'Grapes'), 'group' => 1 ), '3' => array( 'names' => array(0 => 'Tomato'), 'group' => 2 ), '4' => array( 'names' => array(0 => 'Potato', 1 => 'Monkeywrench'), 'group' => 2 ) ); foreach ($array as $row) { if (!isset($result[$row['group']])) { $result[$row['group']] = $row; } else { $result[$row['group']]['names'] = array_merge($result[$row['group']]['names'], $row['names']); } } var_export(array_values($result));
Output for 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 - 8.4.13
array ( 0 => array ( 'names' => array ( 0 => 'Apple', 1 => 'Mango', 2 => 'Grapes', ), 'group' => 1, ), 1 => array ( 'names' => array ( 0 => 'Tomato', 1 => 'Potato', 2 => 'Monkeywrench', ), 'group' => 2, ), )
preferences:
111.45 ms | 408 KiB | 5 Q