Canendar Functions in PHP- Part 3

Introduction

In this tutorial you will learn how to use PHP calendar functions. The PHP calendar functions is used to implement various types of calendar formats. Here I will explain about some Calendar functions and I am also describing some PHP calendar functions in PART 2.

PHP Calendar FrenchToJD function

It converts a date from French Republican Calendar to a Julian day count. This routine only converts dates in years 1 through 14.

For example

Gregorian date 22-9-1792 through 22-9-1806.

Syntax

frenchtojd (month, day, year)

Parameters in frenchtojd function

It has three parameters and every parameter is required in this function.

Parameter	Description
month	It specifies month number.
day	It specifies day number.
year	It specifies year as a number from 1 to14..

Example of frenchtojd function:

<?php $days=frenchtojd(1,20,12); echo $days; ?>

Output



PHP Calendar GregorianToJD function

It converts a date from Gregorian calendar to Julian calendar. The valid range for Gregorian calendar is 4714 B.C to 9999 A.D.

Syntax

gregoriantojd (month, day, year)

Parameters in GregorianToJD function

It has three parameters and every parameter is required in this function.

Parameter	Description
month	It specifies month number.
day	It specifies day number.
year	It specifies year.

Example of GregorianToJD function:

<?php $julianday=gregoriantojd(6,12,2005); echo $julianday; ?>