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<?php $array = [ [ 121 => [ "number" => 121, "name" => "Some Name 1", "value" => "2.222" ], 116 => [ "number" => 116, "name" => "Some Name 2", "value" => "1.111" ], 1 => [ "number" => 1, "name" => "Some Name 3", "value" => "1.232" ] ], [ 121 => [ "number" => 121, "name" => "Some Name 1", "value" => "1.111" ], 116 => [ "number" => 116, "name" => "Some Name 2", "value" => "2.222" ], 1 => [ "number" => 1, "name" => "Some Name 3", "value" => "3.111" ] ] ]; $all_numbers=array_keys($array[0]); foreach($all_numbers as $number){ $array[0][$number]['value']=array_sum(array_column(array_column($array,$number),'value')); } $array=[$array[0]]; /* foreach($array as &$group){ var_export(array_column($group,'121')); //foreach($group as $number=>$subarray){ // $group[$number]['value']=array_sum(array_column($group,$number)); //} break; } */ var_export($array);
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => array ( 121 => array ( 'number' => 121, 'name' => 'Some Name 1', 'value' => 3.333, ), 116 => array ( 'number' => 116, 'name' => 'Some Name 2', 'value' => 3.333, ), 1 => array ( 'number' => 1, 'name' => 'Some Name 3', 'value' => 4.343, ), ), )

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