The jdmonthname() function is a built-in function in PHP which returns the month name of a Julian day number passed as the argument. The return value is of six types depending on the mode passed in the function which is explained briefly below in the parameter part. Syntax:
jdmonthname($jd, $mode)
Parameters: The function accepts two parameters as shown above and described below:
- $jd – This parameter specifies the Julian Day as an integer. It is a mandatory parameter.
- $mode – This is a mandatory parameter which specifies the type of return value. The mode can be in range 0-5 inclusive.
- 0 – It returns the abbreviated form (Jan, Feb, Mar, etc.) of month name in Gregorian calendar when mode is passed as 0.
- 1 – It returns the month name (January, February, March, etc.) in Gregorian calendar when mode is passed as 1.
- 2 – It returns the abbreviated form (Jan, Feb, Mar, etc.) of month name in Julian calendar when mode is passed as 2.
- 3 – It returns the month name (January, February, March, etc.) in Julian calendar when mode is passed as 3.
- 4 – It returns the month name(Tishri, Heshvan, Kislev, etc.) in Jewish calendar when mode is passed as 4.
- 5 – In returns the month name(Vendemiaire, Brumaire, Frimaire, etc.) in French Republican when mode is passed as 5.
Return Value: The function returns the month name depending on the mode passed. If any value other than 0-5 is passed as mode, then the mode is taken as 0. Examples:
Input : $jd = 2458236, $mode = 0 Output : Apr Explanation: In program below we have converted the date(4/27/2018) to the Julian Day integer which is 2458236 Input : $jd = 2457031, $mode = 4 Output : Tevet Explanation: date(1/8/2015) in Julian Day integer is 2457031. Tevet is the month on this Julian Day integer.
Below programs illustrate the jdmonthname() function: Program 1: The program below demonstrates the jdmonthname() function when mode is passed as 0.
php
<?php// PHP program to demonstrate the use// of jdmonthname() function // when mode is passed as 0// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed as 0echo (jdmonthname($jd, 0)), "\n"; ?> |
Output:
Apr
Program 2: The program below demonstrates the jdmonthname() function when mode is passed as 1.
php
<?php// PHP program to demonstrate the use// of jdmonthname() function // when mode is passed as 1// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed as 1echo (jdmonthname($jd, 1)), "\n"; ?> |
Output:
April
Program 3: The program below demonstrates the jdmonthname() function when mode is passed as 2.
php
<?php// PHP program to demonstrate the// use of jdmonthname() function // when mode is passed as 2// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed as 2echo (jdmonthname($jd, 2)), "\n"; ?> |
Output:
Apr
Program 4: The program below demonstrates the jdmonthname() function when mode is passed as 3.
php
<?php// PHP program to demonstrate the// use of jdmonthname() function // when mode is passed as 3// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed as 3echo (jdmonthname($jd, 3)), "\n"; ?> |
Output:
April
Program 5: The program below demonstrates the jdmonthname() function when mode is passed as 4.
php
<?php// PHP program to demonstrate the// use of jdmonthname() function // when mode is passed as 4// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed as 3echo (jdmonthname($jd, 4)), "\n"; ?> |
Output:
Iyyar
Program 6: The program below demonstrates the jdmonthname() function when mode is passed out of range.
php
<?php// PHP program to demonstrate the// use of jdmonthname() function // when mode is passed out of range// converts the gregorian date to julian day integer $jd = gregoriantojd(4, 27, 2018); // prints the month name when mode is passed out of rangeecho (jdmonthname($jd, 8)), "\n"; ?> |
Output:
Apr
Reference: http://php.net/manual/en/function.jdmonthname.php
