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<?php $items = array( [ 'menu_id' => 10, 'current_price' => 150, 'num' => 10 ], [ 'menu_id' => 12, 'current_price' => 200, 'num' => 20 ], [ 'menu_id' => 10, 'current_price' => 150, 'num' => 30 ], ['menu_id' => 11, 'current_price' => 100, 'num' => 40 ], [ 'menu_id' => 11, 'current_price' => 100, 'num' => 50 ], ['menu_id' => 11, 'current_price' => 200, 'num' => 60 ], ['menu_id' => 13, 'current_price' => 300, 'num' => 70 ] ) ; $grouped = []; foreach($items as $v){ $index = $v['menu_id'].'-'.$v['current_price']; isset($grouped[$index]) ? ($grouped[$index]['num'] += $v['num']) : ($grouped[$index] = $v); } print_r($grouped);
Output for 7.1.25 - 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Array ( [10-150] => Array ( [menu_id] => 10 [current_price] => 150 [num] => 40 ) [12-200] => Array ( [menu_id] => 12 [current_price] => 200 [num] => 20 ) [11-100] => Array ( [menu_id] => 11 [current_price] => 100 [num] => 90 ) [11-200] => Array ( [menu_id] => 11 [current_price] => 200 [num] => 60 ) [13-300] => Array ( [menu_id] => 13 [current_price] => 300 [num] => 70 ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [10-150] => Array ( [menu_id] => 10 [current_price] => 150 [num] => 40 ) [12-200] => Array ( [menu_id] => 12 [current_price] => 200 [num] => 20 ) [11-100] => Array ( [menu_id] => 11 [current_price] => 100 [num] => 90 ) [11-200] => Array ( [menu_id] => 11 [current_price] => 200 [num] => 60 ) [13-300] => Array ( [menu_id] => 13 [current_price] => 300 [num] => 70 ) )

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