Convert a Gregorian date to a Julian Day Count; then convert the Julian Day Count to Unix timestamp in PHP

Description

The following code shows how to convert a Gregorian date to a Julian Day Count; then convert the Julian Day Count to Unix timestamp.

Example

  /* w  w  w. ja  v  a  2  s  .  c o m*/
<?php
    $jd=gregoriantojd(10,3,2014);
    echo jdtounix($jd);
?>

The code above generates the following result.