DateTimeInterface::getTimestamp DateTimeImmutable::getTimestamp DateTime::getTimestamp date_timestamp_get Gets the Unix timestamp &reftitle.description; &style.oop; public intDateTimeInterface::getTimestamp public intDateTimeImmutable::getTimestamp public intDateTime::getTimestamp &style.procedural; intdate_timestamp_get DateTimeInterfaceobject Gets the Unix timestamp. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; Returns the Unix timestamp representing the date. &reftitle.errors; If the timestamp cannot be represented as &integer;, a ValueError is thrown. Prior to PHP 8.0.0, &false; was returned in this case. Still, the timestamp can be retrieved as &string; by using DateTimeInterface::format with the U format. &reftitle.changelog; &Version; &Description; 8.0.0 These functions no longer return &false; on failure. &reftitle.examples; <function>DateTime::getTimestamp</function> example &style.oop; getTimestamp(); ?> ]]> &style.procedural; ]]> &examples.outputs.similar; &reftitle.seealso; DateTime::setTimestamp DateTime::format