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The DateInvalidOperationException class

Thrown by DateTimeImmutable::sub and DateTime::sub when an unsupported operation is attempted.

Intro

Thrown by DateTimeImmutable::sub and DateTime::sub when an unsupported operation is attempted.

An example of such an unsupported operation is using a DateInterval object representing relative time specifications such as next weekday, as no logical reversed statement can be constructed.

Class synopsis

extends DateException { }

Source: reference/datetime/dateinvalidoperationexception.xml · from the official PHP manual (php/doc-en)