(PHP 4 >= 4.1.0, PHP 5, PHP 7)
cal_info — 返回选定历法的信息
$calendar = -1
] ) : array
cal_info()返回选定 calendar的作息。
历法信息以一个数组的形式返回，包含的元素有历法名称，历法代码，月份，月份的缩写和单月的最多天数。作为参数的calendar历法名字可以有：
CAL_GREGORIAN - Gregorian Calendar
CAL_JULIAN - Julian Calendar
CAL_JEWISH - Jewish Calendar
CAL_FRENCH - French Revolutionary Calendar
如果没有指定参数calendar，所支持的所有历法将以数组形式返回。
calendar返回信息所指定的历法名称，如果没有指定历法，将返回所有历法。
| 版本 | 说明 |
|---|---|
| Since 5.0 |
参数calendar作为可选项，缺省时默认值为"所有历法"。
|
Example #1 cal_info() example
<?php
$info = cal_info(0);
print_r($info);
?>
以上例程会输出：
Array
(
[months] => Array
(
[1] => January
[2] => February
[3] => March
[4] => April
[5] => May
[6] => June
[7] => July
[8] => August
[9] => September
[10] => October
[11] => November
[12] => December
)
[abbrevmonths] => Array
(
[1] => Jan
[2] => Feb
[3] => Mar
[4] => Apr
[5] => May
[6] => Jun
[7] => Jul
[8] => Aug
[9] => Sep
[10] => Oct
[11] => Nov
[12] => Dec
)
[maxdaysinmonth] => 31
[calname] => Gregorian
[calsymbol] => CAL_GREGORIAN
)