配列の短縮定義テスト

array_short_definition.php

<?php

  $array1 = [1,2,3,4,5,];

  $array2 = ["key1" => "value1", "key2" => "value2",];

  $array3 = [1,2,3,4,"key3" => "value3",];


  print_r($array1);
  print_r($array2);
  print_r($array3);
?>

//出力
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
)
Array
(
    [key1] => value1
    [key2] => value2
)
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [key3] => value3
)