以下常數由擴充功能定義,因此只有在擴充功能被編譯到 PHP 中,或者在執行時被動態載入後才有效。
CAL_GREGORIAN
(integer)
CAL_JULIAN
(integer)
CAL_JEWISH
(integer)
CAL_FRENCH
(integer)
CAL_NUM_CALS
(integer)
CAL_DOW_DAYNO
(integer)
CAL_DOW_SHORT
(integer)
CAL_DOW_LONG
(integer)
CAL_MONTH_GREGORIAN_SHORT
(integer)
CAL_MONTH_GREGORIAN_LONG
(integer)
CAL_MONTH_JULIAN_SHORT
(integer)
CAL_MONTH_JULIAN_LONG
(integer)
CAL_MONTH_JEWISH
(integer)
CAL_MONTH_FRENCH
(integer)
The following constants are available since PHP 4.3.0 :
CAL_EASTER_DEFAULT
(integer)
CAL_EASTER_ROMAN
(integer)
CAL_EASTER_ALWAYS_GREGORIAN
(integer)
CAL_EASTER_ALWAYS_JULIAN
(integer)
The following constants are available since PHP 5.0.0 :