arrayのsyntaxが増えるかも
http://opensource.apress.com/article/232/possible-addition-to-array-syntax-in-php
毎回、こんなの書くのが面倒でした!
$some_array = array('foo' => array('bar' => 'baz'));
それが
array(1, 2, 3) == [1, 2, 3] array(1, 2, array("foo", "bar")) == [1, 2, ["foo", "bar"]] array("key" => 1, "key2" => 2) == ["key" => 1, "key2" => 2]
とかなるかも!
超期待。