The DateTime class

&reftitle.intro; Representation of date and time.

&reftitle.classsynopsis; DateTime DateTime &Constants; const string DateTime::ATOM "Y-m-d\TH:i:sP" const string DateTime::COOKIE "l, d-M-y H:i:s T" const string DateTime::ISO8601 "Y-m-d\TH:i:sO" const string DateTime::RFC822 "D, d M y H:i:s O" const string DateTime::RFC850 "l, d-M-y H:i:s T" const string DateTime::RFC1036 "D, d M y H:i:s O" const string DateTime::RFC1123 "D, d M Y H:i:s O" const string DateTime::RFC2822 "D, d M Y H:i:s O" const string DateTime::RFC3339 "Y-m-d\TH:i:sP" const string DateTime::RSS "D, d M Y H:i:s O" const string DateTime::W3C "Y-m-d\TH:i:sP" &Methods;

&reftitle.constants; DateTime::ATOM DATE_ATOM Atom (example: 2005-08-15T15:52:01+00:00) DateTime::COOKIE DATE_COOKIE HTTP Cookies (example: Monday, 15-Aug-05 15:52:01 UTC) DateTime::ISO8601 DATE_ISO8601 ISO-8601 (example: 2005-08-15T15:52:01+0000) DateTime::RFC822 DATE_RFC822 RFC 822 (example: Mon, 15 Aug 05 15:52:01 +0000) DateTime::RFC850 DATE_RFC850 RFC 850 (example: Monday, 15-Aug-05 15:52:01 UTC) DateTime::RFC1036 DATE_RFC1036 RFC 1036 (example: Mon, 15 Aug 05 15:52:01 +0000) DateTime::RFC1123 DATE_RFC1123 RFC 1123 (example: Mon, 15 Aug 2005 15:52:01 +0000) DateTime::RFC2822 DATE_RFC2822 RFC 2822 (Mon, 15 Aug 2005 15:52:01 +0000) DateTime::RFC3339 DATE_RFC3339 Same as DATE_ATOM (since PHP 5.1.3) DateTime::RSS DATE_RSS RSS (Mon, 15 Aug 2005 15:52:01 +0000) DateTime::W3C DATE_W3C World Wide Web Consortium (example: 2005-08-15T15:52:01+00:00)

&reftitle.changelog; &Version; &Description; 5.2.2 DateTime object comparison with the comparison operators changed to work as expected. Previously, all DateTime objects were considered equal (using ==).