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PHP | jewishtojd() Function

The jewishtojd() function is a built-in function which converts a Jewish Date to a Julian Day Count. The function accepts three parameters in format $month / $day / $year, which represents the date in Jewish or Hebrew calendar and converts it to a Julian Day count.

Syntax:

jewishtojd( $month, $day, $year) 

Parameters: The function accepts three mandatory parameters as shown above and described below:

  1. $month – This parameter specifies the month number in Jewish calendar. The month number is in range 1-13 inclusive. If a month number in excess of 12 or less than 1 is passed, the Julian day is returned as 0.
  2. $day – This parameter specifies the day in Jewish calendar. The day number is in range 1-30 inclusive. If a day number in excess of 31 or less than 1 is passed, the Julian day is returned as 0. Leap years are not taken into consideration
  3. $year – This parameter specifies the year in Jewish calendar. The year number is in range 1-9999 inclusive.
  4. Return Value: The function returns the Jewish date converted to a Julian Day count.

    Examples:



    Input : $month=4, $day=8, $year=13
    Output : 352465
    
    Input : $month=4, $day=8, $year=898
    Output : 675707
    

    Below programs illustrate the jewishtojd() function.

    Program 1: The program below demonstrates the use of jewishtojd() function.

    <?php
    // PHP program to demonstrate the
    // use of jewishtojd() function 
      
    // converts date to julian integer 
    $jd = jewishtojd(4, 8, 13);
      
    // prints the julian day integer
    echo ($jd);
    ?>

    Output:

    352465

    Program 2: The program below demonstrates when day and month out of range.

    <?php
    // PHP program to demonstrate the
    // use of jewishtojd() function 
      
    // converts date to julian integer 
    // month is out of range
    $jd = jewishtojd(22, 8, 11);
      
    // prints the julian day integer
    echo ($jd), " "
      
      
    // day is out of range
    $jd=jewishtojd(4, 32, 11);
    echo ($jd); 
    ?>

    Output:

    0
    0

    Reference:
    http://php.net/manual/en/function.jewishtojd.php



This article is attributed to GeeksforGeeks.org

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