• amr-events plugin registration is now at icalevents.com
• amr-user-templates plugin registration is soon at wpusersplugin.com

Your details have cloned and moved too

•  so you can access curremt and older versions here. New versions of the plugins will only be available at the new sites:
• Use the same usernames and passwords on all sites.

On;y forum or email subscription registrations here

• Any problems, please log it at the support forum or contact me asap.

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• Test it!  test.icalevents.com.  The latest version is always there – it might even be the next soon to be released version.
• See the event plugin‘s own website for detailed documentation – try the sitemap
• Check out the forum to see the sorts of problems people have. If all goes well, there should NOT be many posts.
• See the rating for the free version at wordpress. The free plugin is required for listing functionality.
• WPML users can test integration at lang.anmari.com

Download latest version 3.0.7 updated 25 Aug 2011 :

Please subscribe to icalevents.com rss updates or email or via twitter, so that you will be advised when there are updates.

Please read change log since your last version before upgrading.

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Photo year calendar example

Use your ical calendars (google or other (others by importing into google)) and your own photo’s to generate a A4 year calendar.  Print to PDF and send to your local print shop for bindin.  Viola! instant personal presents.

icalphoto.com

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For example to get the following

Every 20th Monday of the year, forever:
DTSTART;TZID=US-Eastern:19970519T090000
RRULE:FREQ=YEARLY;BYDAY=20MO

==> (1997 9:00 AM EDT)May 19
(1998 9:00 AM EDT)May 18
(1999 9:00 AM EDT)May 17

One could get the first Monday of the year, the it is fairly easy to get the 20th !

<?php

global $amr_day_of_week_no;
$amr_day_of_week_no = array (
 'MO' => 1,
 'TU' => 2,
 'WE' => 3,
 'TH' => 4,
 'FR' => 5,
 'SA' => 6,
 'SU' => 0
 );    

 function amr_goto_byday ($dateobj, $byday, $sign)    {
 global $amr_day_of_week_no;    
 $dayofweek = $dateobj->format('w'); /* 0=sunday, 6 = saturday */
 if ($dayofweek == '-1') $dayofweek = get_oldweekdays($dateobj); /* php seems to break around 1760   */
$target     = $amr_day_of_week_no[$byday]; /*  mo=1 ,su=7  */
 $adjustment = $target - $dayofweek;
 if ($sign === '+') {
 if ($adjustment < 0) $adjustment = $adjustment + 7;        
 }
 else if ($adjustment > 0) $adjustment = $adjustment-7;    
 $d2 = new DateTime();
 $d2 = clone ($dateobj);         
 date_modify ($d2,$adjustment.' days');    
 return ($d2);
 }    

 /* --------Test data ------------------------- */
$d[] = new DateTime('2009-12-25');
$d[] = new DateTime('2009-12-28');
$d[] = new DateTime('2009-12-29');
$d[] = new DateTime('2009-12-30');
$d[] = new DateTime('2009-12-31');
$d[] = new DateTime('2010-01-01');
$d[] = new DateTime('2010-01-02');
$d[] = new DateTime('2010-01-03');
$d[] = new DateTime('2010-01-04');
$d[] = new DateTime('2010-01-05');
$d[] = new DateTime('2010-01-06');
$d[] = new DateTime('2010-01-07');
$d[] = new DateTime('2010-01-08');
$d[] = new DateTime('2010-01-09');
$d[] = new DateTime('2010-01-10');
$d[] = new DateTime('2010-01-11');

echo '<table>';    
foreach (array ('TU','WE','TH','FR','SA','SU','MO') as $day) {
 echo '<tr><td> Aiming for '.$day.'</td><td>If not this, then next</td><td>If not this, then prev</td></tr>';                
 foreach ($d as $i => $d2)    {
 $d3 = amr_goto_byday ($d2, $day, '+');
 $d4 = amr_goto_byday ($d2, $day, '-');
 $s = $d2->format('Y m d l');
 echo '<tr><td> '.$s.'</td><td>'.$d3->format('l,Y m d').'</td><td>'.$d4->format('l,Y m d').'</td></tr>';
 }    
}
echo '</table>';   
  
?>

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I now use the following code, which appears to work when comparing the weekdays using http://www.searchforancestors.com/utility/dayofweek.html

$w = $dateobj->format('w');
if ($w == '-1') $w = get_oldweekdays($dateobj);

function get_oldweekdays ($d) {
   $dummy = new DateTime();
   $dummy = clone ($d);
   date_modify($dummy,'+91500 weeks');
   /* add weeks to get us back to a "working" date -
   a guess from when the date started breaking, plus some extra to be safe */
   $w = $dummy->format('w');
 return($w);
}

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 /* Year if format YYYY, Day in year 1 to 366 */
function dayofyear2date( $year, $DayInYear ) {
$d = new DateTime($year.'-01-01');
date_modify($d, '+'.($DayInYear-1).' days');
return ($d);
}

I’m tired of seeing Unix time stamp code examples that break with older dates. Since my ical calendar scripts can potentially hold recurring dates that are anniversaries and birthdays, my scripts need to cope with dates earlier than 1970, and with timezones and daylight saving, so I use the DateTime class exclusively now.

Test Script To Check Function

<?php

function dayofyear2date( $year, $DayInYear ) {
 $d = new DateTime($year.'-01-01');
 date_modify($d, '+'.($DayInYear-1).' days');
return ($d);
}

$d[] = new DateTime('1950-12-31');
$d[] = new DateTime('1970-01-01');
$d[] = new DateTime('2010-01-01');
$d[] = new DateTime('2010-12-27');
$d[] = new DateTime('2010-12-31');

foreach ($d as $i => $d2)    {
 $dayofyear = $d2->format('z')+1;
 $date = dayofyear2date (
 $d2->format('Y'),
 $dayofyear ); /* note z returns days from 0 */
 echo '<br /><b>'.$d2->format('Y m d')
  .'</b>&nbsp;&nbsp;'.$dayofyear.'&nbsp;&nbsp;<br />'
  .$date->format('Y m d');
}
?>

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1. All Ical events related work has been moved to http://icalevents.com.
2. Due to problems with themes which strongly specify list item css in many different ways, I am thinking of removing the hardcoded list structure with the table cells (you could add it back in using the before/after fields in the admin area if you wanted). I liked it becuase I thought a list of the event properties was more ‘semantic’ than just some breaks here and there to force the bits onto new lines.     If you have any thoughts or concerns about this, please leave a comment on the website.

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Please use the new site for any comments – thanks

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We would like to have a event listing feature that is really easy to use. From a usability point of view, it would be nice if there was one obvious place to maintain the events and their dates. In addition the school likes to have a paper newsletter for the community. That usually has a upcoming events page sorted by months. It would be nice to print this out from the web. Days of week should be noted to make it easier for parents to remember. From a maintenance point of view, it should be really simple to install and preferably immune to wordpress version upgrades (ie: minimal fiddling to re-install). Starting from the wordpress list I distilled a sub-list for further evaluation. Due to the number on the list, and limited time to bedtime (sleep is a wonderful thing), a bit of judging a book by the cover was applied to the first cut (IE: quality of the presentation, documentation and support for the plug-in was used as an indicator of the quality of the plug-in.)

Worth further evaluation:

• FireTree’s Wpcal Event Calendar 3.1 looks interesting and is well presented. No hack required any more for wordpress 2.0. Uses posts as events with a separate category. The posts can be kept off the “blog” page, but will appear in the recent posts – this maybe useful to also have a new event posting be treated as “news”. One could also have an events category page where one can list all the events and edit from there. (Maybe add an “add an event” link to the template?). I have a concern though about the event dates being stuck down below the post edit screen – not so obvious and easy for a usser who is just thinking about entering a bunch of events.
• Sargant’s simple RS event tracker could be a go- there is a lot to be said for simplicity!
• FahlstadDesign’s WP-Cal looks promising. Relatively easy to install and I like the way that one can add the event straight from the calendar page. Events are separate from posts. The plug-in’s offering page is reasonably well done. But I can see it is easy to accidentally put the wrong date in – how does one change the date? Delete and re-add? more investigation required.
• Sothq’s wp.2.0 only events plug-in – if all else fail, then this could be a go. But not quite as cleanly presented as the others.

So far what I want is a combination of WP-Cal’s ease of adding an event, combined with firetree’s integration to sidebar etc…..

Not quite right

Too cute or a specific purpose not that suitable to ours, or they are just “Post” Calendars – ie: they show a box calendar flagging dates for which there are posts. This is not what we are looking for.

• Peter’s sleeps till date countdown
• Wp-ical not what we are looking for either.
  LiveCalendar
• Calendar 2.0 from “paranoid’s life rambling” has limited explanation and support – not going to explore further.

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