RETURNS a calendar month name from a Julian Day Number, (JDN).
<?php
str jdmonthname ( int $julian_day , int $mode )
where,
$julian_day = A Julian Day Number, (JDN)
$mode = The calendar mode
( SEE the below TABLE )
?>
| CONSTANT | VALUE | WHAT DOES |
| CAL_MONTH_GREGORIAN_SHORT | 0 | The abbreviated Gregorian month name |
| CAL_MONTH_GREGORIAN_LONG | 1 | The Gregorian month name |
| CAL_MONTH_JULIAN_SHORT | 2 | The abbreviated Julian month name |
| CAL_MONTH_JULIAN_LONG | 3 | The Julian month name |
| CAL_MONTH_JEWISH | 4 | The Jewish month name |
| CAL_MONTH_FRENCH | 5 | The French Republican month name |
| ed48 | ||
EXERCISE
<?php
$ts01 = 0;
$ts02 = 2147483647;
$unx2jd01 = unixtojd($ts01);
$gtdate01 = getdate($ts01);
$unx2jd02 = unixtojd($ts02);
$gtdate02 = getdate($ts02);
$modes =[CAL_MONTH_GREGORIAN_SHORT => 'CAL_MONTH_GREGORIAN_SHORT',
CAL_MONTH_GREGORIAN_LONG => 'CAL_MONTH_GREGORIAN_LONG',
CAL_MONTH_JULIAN_SHORT => 'CAL_MONTH_JULIAN_SHORT',
CAL_MONTH_JULIAN_LONG => 'CAL_MONTH_JULIAN_LONG',
CAL_MONTH_JEWISH => 'CAL_MONTH_JEWISH' ];
foreach($modes as $m => $md)
{
$jdaymn01 = jdmonthname($unx2jd01, $m);
echo $md . '<br> ' .
$jdaymn01 . '<br>';
}
echo 'JDN = ' . $unx2jd01 . '<br><br>';
foreach($modes as $m => $md )
{
$jdaymn02 = jdmonthname($unx2jd02, $m);
echo $md . '<br> ' .
$jdaymn02 . '<br>';
}
echo 'JDN = ' . $unx2jd02 . '<br><br>';
?>
EXERCISE
<?php
$ts03 = time();
$unx2jd03 = unixtojd($ts03);
echo 'Timestamp = ' . $ts03 . '<br>' . 'JDN = ' .
$unx2jd03 . '<br><br>';
$modes =[CAL_MONTH_GREGORIAN_SHORT => 'CAL_MONTH_GREGORIAN_SHORT',
CAL_MONTH_GREGORIAN_LONG => 'CAL_MONTH_GREGORIAN_LONG',
CAL_MONTH_JULIAN_SHORT => 'CAL_MONTH_JULIAN_SHORT',
CAL_MONTH_JULIAN_LONG => 'CAL_MONTH_JULIAN_LONG',
CAL_MONTH_JEWISH => 'CAL_MONTH_JEWISH' ];
foreach($modes as $m => $md)
{
$jdaymn03 = jdmonthname($unx2jd03, $m);
echo $md . '<br> ' .
$jdaymn03 . '<br>';
}
?>