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psalm/docs/running_psalm/issues/PossiblyInvalidPropertyAssignment.md
2020-03-20 19:13:56 -04:00

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PossiblyInvalidPropertyAssignment

Emitted when trying to assign a property on a value that may not be an object or may be an object that doesnt have the desired property.

<?php

class A {
    /** @var ?string */
    public $bar;
}

/** @return A|int */
function foo() {
    return rand(0, 1) ? new A : 5;
}

$a = foo();
$a->bar = "5";