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psalm/docs/running_psalm/issues/DeprecatedConstant.md
Matthew Brown 3f2615290d Update docs once more
2020-03-21 09:48:35 -04:00

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DeprecatedConstant

Emitted when referring to a deprecated constant:

<?php

class A {
    /** @deprecated */
    const FOO = 'foo';
}

echo A::FOO;

Why this is bad

The @deprecated tag is normally indicative of code that will stop working in the near future.

How to fix

Don’t use the deprecated constant.