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.

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), "\n";        // day is out of range $jd=jewishtojd(4, 32, 11); echo ($jd);  ?>

Output:

0
0

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