PHPStorm - type hinting with arrays

Question

You can type hint arrays like this:

/** @var Class[] $variable */
$variable = /*someArrayWithObjects*/;

But is it possible to type hint the array as itself and the objects of the Array differently? Something like:

/** @var Class, SomeOtherClass[] $variable */
$variable = /*someArrayWithObjects*/;

So that the array itself shows methods from Class and every Object of the array shows methods from SomeOtherClass?

Arjan · Accepted Answer · 2015-01-31 17:16:12Z

4

Yes. You can specify that $variable is, for example, a Collection or an array of SomeOtherClass:

/** @var Collection|SomeOtherClass[] $variable */
$variable = /*someArrayWithObjects*/;

This will give you code completion for Collection on $variable and also for the methods in SomeOtherClass when you iterate over the items in $variable. This of course assumes that you can iterate over $variable.

answered Jan 31, 2015 at 17:16

Arjan

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