新的5.4阵列短阵列语法：好的做法？ [关闭]

I'd like to use the new short array syntax:

# Old syntax
$foo = array(
  'key1' => 'value1',
  'key2' => 'value2',
  'key3' => 'value3',
  'key4' => array(
    'key1' => 'value2',
    'key2' => 'value2',
    'key3' => 'value3',
    'key4' => 'value4',
  ),
);

# New Syntax
$bar = [
  'key1' => 'value1',
  'key2' => 'value2',
  'key3' => 'value3',
  'key4' => [
    'key1' => 'value1',
    'key2' => 'value2',
    'key3' => 'value3',
    'key4' => 'value4',
  ],
];

Is that syntax considered as a good practice right now? Or should I stay with the old syntax?

Usually good practice is related to the logic of your code and not to it's syntax, There's a reason they made that new array syntax and that reason is: faster coding and easier to read. So good practice is irrelevant here.