Elgg安装语法错误（意外的'['）[重复]

This question already has an answer here:

Difference in accessing arrays in PHP 5.3 and 5.4 or some configuration mismatch? 1 answer

I am having trouble with my elgg installation for my website. Every time I load the "install.php" in the root directory, I keep getting this error:

Parse error: syntax error, unexpected '[' in (Root)/engine/classes/Elgg/Di/ServiceProvider.php on line 194

Here is line 194 in that file:

$params = $c->config->get('cookies')['session'];

I have PHP version 5.3.13. Can anyone help?

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Arrays can't be referenced directly from a return object in PHP below 5.4. [Documentation]

You can't do this:

$params = $c->config->get('cookies')['session'];

But you CAN do this:

$cookies = $c->config->get('cookies');
$params = $cookies['session'];

Or you can just upgrade your PHP installation.

You can't do this because you don't have PHP version 5.4 or higher!

So change this:

$params = $c->config->get('cookies')['session'];

to this:

$params = $c->config->get('cookies');
$params = $params['session'];

For more information about array dereferencing see the manual: http://php.net/manual/en/language.types.array.php

And a quote from there:

As of PHP 5.4 it is possible to array dereference the result of a function or method call directly. Before it was only possible using a temporary variable.