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c9s / xarray

The missing PHP array functions you are looking for, implemented in extension
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array_group_by #20

Open c9s opened 9 years ago

c9s commented 9 years ago 

$array = [
  [ "name" => "John", "city_id" => 3 ],
  [ "name" => "Mary", "city_id" => 3 ],
  [ "name" => "Lisa", "city_id" => 1 ],
  [ "name" => "Joe", "city_id" => 4 ],
];
$grouped = array_group_by($array, "city_id");

$grouped[3] =  [ [ "name" => "John", "city_id" => 3 ], [ "name" => "Mary", "city_id" => 3 ] ];
$grouped[1] =  [ [ "name" => "Lisa", "city_id" => 1 ] ];
$grouped[4] =  [ [ "name" => "Joe", "city_id" => 4 ] ];