Re: [PHP] SOLVED: Calendar Date Help
Mark Weaver wrote:
Hi all,
I've put this off as long as possible, however I think I've reached an
impasse.
I've got an application that I've been writing. One of the modules for
this app is an event calendar. I've got the calendar to the place where
it displays the current month as well as previous and future months. The
place I'm stuck is it will only show months in the past or the future
that are months in the current year.
Basically the method I'm using to move backward and forward is with Unix
timestamps.
1. When the calendar first loads the what is checked for;
// passed in via $_GET
$what == current, prev, or next
a. current is the default
$now = time()
$prev = date('n',$now)-1
$next = date('n',$now)+1
b. Timestamp values are then stored in an array and then
sent to client in session cookie which is then accessed
upon each subsequent request to display the event calendar.
My question/boggle is why, when the calendar advances to
December(current year) it will display January, but of the current year.
The same happens in reverse.
Once I reach the end of the year either in the past or future the month
increases or decreases accordingly, but the year doesn't change. Since
the year value isn't changing the month calendar days that are displayed
simply repeat themselves.
I know there's something I'm missing, but I am definitely not seeing
what it is...
/** code below /
$cal = new Calendar;
$calpos = array();
// check incoming values
if ($what === current){
$cal-setCal(0,0,0,date('n'),1);
$now = time();
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
elseif($what === prev){
$peek = $_SESSION['calendar'];
$now = $peek['prev'];
$cal-setCal(0,0,0,date('n',$now),1);
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
elseif($what === next){
$peek = $_SESSION['calendar'];
$now = $peek['next'];
$cal-setCal(0,0,0,date('n',$now),1);
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1){
$stamp = date('U',mktime($h,$m,$s, $offset,$dayVal,date('Y')));
// Using the stamp the various necessary properties are set for the
// object
function getStamp($dateStr,$dayVal=1){
return date('U',mktime(0,0,0, $dateStr,$dayVal,date('Y')));
}
Just in case:
The solution was right in front of my all along. When setting the
calendar object I was giving the class everything it needed except the
{year} value. I _ass_-umed it was being set auto-magically; possibly by
fairies or tree elves. Turns out I needed to set that parameter. Imagine
that... :)
--
$cal-setCal(0,0,0,date('n',$now),1);
--
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1){
$stamp = date('U',mktime($h,$m,$s, $offset,$dayVal,date('Y')));
--
Solution:
setCal function from Calendar Class:
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1,$yrVal)
current: $cal-setCal(0,0,0,date('n',time()),1,date('Y',time()));
$prev value coming from session cookie
$now = $session['prev'];
prev: $cal-setCal(0,0,0,date('n',$now),1,date('Y',$now));
$next value coming from session cookie
$now = $session['next'];
next: $cal-setCal(0,0,0,date('n',$now),1,date('Y',$now));
It all works very nicely now.
Thank you Robert for the push to seriously scrutinize my code.
--
Mark
-
the rule of law is good, however the rule of tyrants just plain sucks!
Real Tax Reform begins with getting rid of the IRS.
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Re: [PHP] SOLVED: Calendar Date Help
On Thu, 2008-05-29 at 07:37 -0400, Mark Weaver wrote:
Mark Weaver wrote:
Hi all,
I've put this off as long as possible, however I think I've reached an
impasse.
I've got an application that I've been writing. One of the modules for
this app is an event calendar. I've got the calendar to the place where
it displays the current month as well as previous and future months. The
place I'm stuck is it will only show months in the past or the future
that are months in the current year.
Basically the method I'm using to move backward and forward is with Unix
timestamps.
1. When the calendar first loads the what is checked for;
// passed in via $_GET
$what == current, prev, or next
a. current is the default
$now = time()
$prev = date('n',$now)-1
$next = date('n',$now)+1
b. Timestamp values are then stored in an array and then
sent to client in session cookie which is then accessed
upon each subsequent request to display the event calendar.
My question/boggle is why, when the calendar advances to
December(current year) it will display January, but of the current year.
The same happens in reverse.
Once I reach the end of the year either in the past or future the month
increases or decreases accordingly, but the year doesn't change. Since
the year value isn't changing the month calendar days that are displayed
simply repeat themselves.
I know there's something I'm missing, but I am definitely not seeing
what it is...
/** code below /
$cal = new Calendar;
$calpos = array();
// check incoming values
if ($what === current){
$cal-setCal(0,0,0,date('n'),1);
$now = time();
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
elseif($what === prev){
$peek = $_SESSION['calendar'];
$now = $peek['prev'];
$cal-setCal(0,0,0,date('n',$now),1);
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
elseif($what === next){
$peek = $_SESSION['calendar'];
$now = $peek['next'];
$cal-setCal(0,0,0,date('n',$now),1);
$prev = $cal-getStamp(date('n',$now)-1,1);
$next = $cal-getStamp(date('n',$now)+1,1);
$calpos['curr'] = $now;
$calpos['prev'] = $prev;
$calpos['next'] = $next;
$_SESSION['calendar'] = $calpos;
}
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1){
$stamp = date('U',mktime($h,$m,$s, $offset,$dayVal,date('Y')));
// Using the stamp the various necessary properties are set for the
// object
function getStamp($dateStr,$dayVal=1){
return date('U',mktime(0,0,0, $dateStr,$dayVal,date('Y')));
}
Just in case:
The solution was right in front of my all along. When setting the
calendar object I was giving the class everything it needed except the
{year} value. I _ass_-umed it was being set auto-magically; possibly by
fairies or tree elves. Turns out I needed to set that parameter. Imagine
that... :)
--
$cal-setCal(0,0,0,date('n',$now),1);
--
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1){
$stamp = date('U',mktime($h,$m,$s, $offset,$dayVal,date('Y')));
I don't really want to say I told you so, but that's one of the two
lines I denoted as incorrect in my first response ;)
Solution:
setCal function from Calendar Class:
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1,$yrVal)
current: $cal-setCal(0,0,0,date('n',time()),1,date('Y',time()));
$prev value coming from session cookie
$now = $session['prev'];
prev: $cal-setCal(0,0,0,date('n',$now),1,date('Y',$now));
$next value coming from session cookie
$now = $session['next'];
next: $cal-setCal(0,0,0,date('n',$now),1,date('Y',$now));
It all works very nicely now.
Thank you Robert for the push to seriously scrutinize my code.
It's far more important to learn to build complex code from simple code,
than to try and understand complex code and then refactor it to simple
code. Just a thought for the future since as it stands you have a very
convoluted system of moving back and forth between months.
Cheers,
Rob.
--
http://www.interjinn.com
Application and Templating Framework for PHP
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Re: [PHP] SOLVED: Calendar Date Help
Robert Cummings wrote:
function setCal($h=0,$m=0,$s=0,$offset,$dayVal=1){
$stamp = date('U',mktime($h,$m,$s, $offset,$dayVal,date('Y')));
I don't really want to say I told you so, but that's one of the two
lines I denoted as incorrect in my first response ;)
:P indeed you did... it just took me a while before it dawned on me. I
just wasn't seeing it until the Mule got tired of trying to climb a
vertical cliff!
Thank you Robert for the push to seriously scrutinize my code.
It's far more important to learn to build complex code from simple code,
than to try and understand complex code and then refactor it to simple
code. Just a thought for the future since as it stands you have a very
convoluted system of moving back and forth between months.
Cheers,
Rob.
The particular block of code you're referring to definitely needs to be
re factored, however at the moment I don't know enough about php to
accomplish that. I think one of the bad habits I got into early on was
coding verbosely so I wouldn't have to comment as much. That definitely
doesn't serve very well at times.
--
Mark
-
the rule of law is good, however the rule of tyrants just plain sucks!
Real Tax Reform begins with getting rid of the IRS.
==
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