PHP cal_info Function: Returns Calendar Information

cal_info() is a PHP function that returns information about a selected calendar.

The function returns an array containing calendar name, code, months, month abbreviations, and the maximum number of days in a month. If no calendar argument is provided, information for all supported calendars is returned.

Supported calendar identifiers are:

0 or CAL_GREGORIAN – Gregorian Calendar

1 or CAL_JULIAN – Julian Calendar

2 or CAL_JEWISH – Jewish Calendar

3 or CAL_FRENCH – French Revolutionary Calendar

Parameter:

calendar : the calendar to query; omitted to retrieve all calendars.

Return value: an array with keys such as months , abbrevmonths , maxdaysinmonth , calname , and calsymbol , providing month names, abbreviations, maximum days, and identifiers.

Example usage:

<?php
$info = cal_info(0);
print_r($info);
?>

The printed array shows month names from January to December, their abbreviations, the maximum days (31), the calendar name “Gregorian”, and the symbol CAL_GREGORIAN .