--TEST--
DateTimeImmutable constants
--FILE--
<?php

var_dump(
    DATE_ATOM             === DateTimeImmutable::ATOM,
    DATE_COOKIE           === DateTimeImmutable::COOKIE,
    DATE_ISO8601          === DateTimeImmutable::ISO8601,
    DATE_ISO8601_EXPANDED === DateTimeImmutable::ISO8601_EXPANDED,
    DATE_RFC822           === DateTimeImmutable::RFC822,
    DATE_RFC850           === DateTimeImmutable::RFC850,
    DATE_RFC1036          === DateTimeImmutable::RFC1036,
    DATE_RFC1123          === DateTimeImmutable::RFC1123,
    DATE_RFC7231          === DateTimeImmutable::RFC7231,
    DATE_RFC2822          === DateTimeImmutable::RFC2822,
    DATE_RFC3339          === DateTimeImmutable::RFC3339,
    DATE_RFC3339_EXTENDED === DateTimeImmutable::RFC3339_EXTENDED,
    DATE_RSS              === DateTimeImmutable::RSS,
    DATE_W3C              === DateTimeImmutable::W3C
);

?>
--EXPECT--
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)