A +1 from me (in case my vote counts).
The main reason behind it is readability:
$x = array(1 => array(1, 2, 3), array(array(1), 2));
vs.
$x = [1 => [1, 2, 3], [[1], 2]];
The latter form looks much better to me - it is faster to read and to
understand it (and to type it, of course, although it shouldn't be a
factor), especially for such multi-dimensional definitions.
The benefit of using the new syntax is even bigger when dealing with
function calls + conditionals:
if (in_array($z, array(1, 2, 3))) {
$s = str_replace(array('a', 'b', 'c'), array('d', 'e', 'f'), 'abc');
}
vs.
if (in_array($z, [1, 2, 3])) {
$s = str_replace(['a', 'b', 'c'], ['d', 'e', 'f'], 'abc');
}
With the "square brackets" syntax a pair of redundant parantheses is
removed, thus making it easier to distinguish between data definition
and function call (conditional, expression...) closures and helping
identify arrays among such compound structures. ;-)
Regards,
--
Kouber Saparev
http://kouber.saparev.com
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