PHP jdtojewish() Function

The PHP jdtojewish() function converts a Julian Day Count to the Jewish Calendar. The function takes a Julian Day integer and returns the converted Jewish Calendar as a string in the form "month/day/year", or an ISO-8859-8 encoded Hebrew date string, according to the hebrew parameter.

Syntax

jdtojewish(julian_day, hebrew, flags)

Parameters

`julian_day`	`Required.` Specify a Julian day number as integer.
`hebrew`	`Optional.` If set to true, the flags parameter is used for Hebrew, ISO-8859-8 encoded string based, output format. Default is false.
`flags`	`Optional.` Specify a bitmask for the Hebrew output format. The available formats are: CAL_JEWISH_ADD_ALAFIM_GERESH CAL_JEWISH_ADD_ALAFIM CAL_JEWISH_ADD_GERESHAYIM

Return Value

Returns the Jewish Calendar as a string in the form "month/day/year", or an ISO-8859-8 encoded Hebrew date string, according to the hebrew parameter.

Exceptions

NA.

Example:

The example below shows the usage of jdtojewish() function.

<?php
//converting a Jewish Calendar
//to Julian integer 
$jd = jewishtojd(10, 2, 2015);
  
//displaying the Julian day integer 
echo "The Julian day integer is: $jd \n";
  
//converting the Julian day integer 
//to Jewish Calendar
$date = jdtojewish($jd);
  
//displaying the Jewish Calendar
echo "The Jewish Calendar is: $date \n"; 
?>

The output of the above code will be:

The Julian day integer is: 2457298 
The Jewish Calendar is: 10/2/2015

Example: Overflow behavior

Consider one more example to see the overflow behavior of this function.

<?php
//converting an invalid Gregorian 
//date to Julian integer 
$jd = jewishtojd(15, 2, 2018);
  
//prints 0 as month is out of range 
echo "The Julian day integer is: $jd \n";
  
//converting the Julian day integer 
//to Jewish Calendar
$date = jdtojewish($jd);
  
//prints 0/0/0 as Gregorian 
//month is out of range
echo "The Jewish Calendar is: $date \n"; 
?>

The output of the above code will be:

The Julian day integer is: 0 
The Jewish Calendar is: 0/0/0

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