date_timezone_set
A quick note about DATE_RSS and daylight savings...
DATE_RSS will return the timezone that your server is in as part of the format, which is normally correct when formatting a date for an RSS feed (RFC-822).
However, if you're in the UK and it's the summer, your timezone is set as "BST". This is not actually a valid RFC-822 timezone, thereby rendering DATE_RSS a bit useless for six months of the year.
The valid extension would actually be GMT. You should therefore adjust the time back by 1 hour and substitute the BST for GMT.
date
(PHP 4, PHP 5)
date — Format a local time/date
Description
string date
( string $format
[, int $timestamp
] )
Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given. In other words, timestamp is optional and defaults to the value of time().
Parameters
- format
-
The format of the outputted date string. See the formatting options below. There are also several predefined date constants that may be used instead, so for example DATE_RSS contains the format string 'D, d M Y H:i:s'.
The following characters are recognized in the format parameter string format character Description Example returned values Day --- --- d Day of the month, 2 digits with leading zeros 01 to 31 D A textual representation of a day, three letters Mon through Sun j Day of the month without leading zeros 1 to 31 l (lowercase 'L') A full textual representation of the day of the week Sunday through Saturday N ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday) S English ordinal suffix for the day of the month, 2 characters st, nd, rd or th. Works well with j w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday) z The day of the year (starting from 0) 0 through 365 Week --- --- W ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0) Example: 42 (the 42nd week in the year) Month --- --- F A full textual representation of a month, such as January or March January through December m Numeric representation of a month, with leading zeros 01 through 12 M A short textual representation of a month, three letters Jan through Dec n Numeric representation of a month, without leading zeros 1 through 12 t Number of days in the given month 28 through 31 Year --- --- L Whether it's a leap year 1 if it is a leap year, 0 otherwise. o ISO-8601 year number. This has the same value as Y, except that if the ISO week number (W) belongs to the previous or next year, that year is used instead. (added in PHP 5.1.0) Examples: 1999 or 2003 Y A full numeric representation of a year, 4 digits Examples: 1999 or 2003 y A two digit representation of a year Examples: 99 or 03 Time --- --- a Lowercase Ante meridiem and Post meridiem am or pm A Uppercase Ante meridiem and Post meridiem AM or PM B Swatch Internet time 000 through 999 g 12-hour format of an hour without leading zeros 1 through 12 G 24-hour format of an hour without leading zeros 0 through 23 h 12-hour format of an hour with leading zeros 01 through 12 H 24-hour format of an hour with leading zeros 00 through 23 i Minutes with leading zeros 00 to 59 s Seconds, with leading zeros 00 through 59 u Microseconds (added in PHP 5.2.2) Example: 54321 Timezone --- --- e Timezone identifier (added in PHP 5.1.0) Examples: UTC, GMT, Atlantic/Azores I (capital i) Whether or not the date is in daylight saving time 1 if Daylight Saving Time, 0 otherwise. O Difference to Greenwich time (GMT) in hours Example: +0200 P Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3) Example: +02:00 T Timezone abbreviation Examples: EST, MDT ... Z Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive. -43200 through 50400 Full Date/Time --- --- c ISO 8601 date (added in PHP 5) 2004-02-12T15:19:21+00:00 r » RFC 2822 formatted date Example: Thu, 21 Dec 2000 16:01:07 +0200 U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) See also time() Unrecognized characters in the format string will be printed as-is. The Z format will always return 0 when using gmdate().
Note: Since this function only accepts integer timestamps the u format character is only useful when using the date_format() function with user based timestamps created with date_create().
- timestamp
-
The optional timestamp parameter is an integer Unix timestamp that defaults to the current local time if a timestamp is not given. In other words, it defaults to the value of time().
Return Values
Returns a formatted date string. If a non-numeric value is used for timestamp , FALSE is returned and an E_WARNING level error is emitted.
Errors/Exceptions
Every call to a date/time function will generate a E_NOTICE if the time zone is not valid, and/or a E_STRICT or E_WARNING message if using the system settings or the TZ environment variable. See also date_default_timezone_set()
Changelog
| Version | Description |
|---|---|
| 5.1.0 | The valid range of a timestamp is typically from Fri, 13 Dec 1901 20:45:54 GMT to Tue, 19 Jan 2038 03:14:07 GMT. (These are the dates that correspond to the minimum and maximum values for a 32-bit signed integer). However, before PHP 5.1.0 this range was limited from 01-01-1970 to 19-01-2038 on some systems (e.g. Windows). |
| 5.1.0 | Now issues the E_STRICT and E_NOTICE time zone errors. |
| 5.1.1 | There are useful constants of standard date/time formats that can be used to specify the format parameter. |
Examples
Example #1 date() examples
<?php
// set the default timezone to use. Available since PHP 5.1
date_default_timezone_set('UTC');
// Prints something like: Monday
echo date("l");
// Prints something like: Monday 8th of August 2005 03:12:46 PM
echo date('l jS \of F Y h:i:s A');
// Prints: July 1, 2000 is on a Saturday
echo "July 1, 2000 is on a " . date("l", mktime(0, 0, 0, 7, 1, 2000));
/* use the constants in the format parameter */
// prints something like: Mon, 15 Aug 2005 15:12:46 UTC
echo date(DATE_RFC822);
// prints something like: 2000-07-01T00:00:00+00:00
echo date(DATE_ATOM, mktime(0, 0, 0, 7, 1, 2000));
?>
You can prevent a recognized character in the format string from being expanded by escaping it with a preceding backslash. If the character with a backslash is already a special sequence, you may need to also escape the backslash.
Example #2 Escaping characters in date()
<?php
// prints something like: Wednesday the 15th
echo date("l \\t\h\e jS");
?>
It is possible to use date() and mktime() together to find dates in the future or the past.
Example #3 date() and mktime() example
<?php
$tomorrow = mktime(0, 0, 0, date("m") , date("d")+1, date("Y"));
$lastmonth = mktime(0, 0, 0, date("m")-1, date("d"), date("Y"));
$nextyear = mktime(0, 0, 0, date("m"), date("d"), date("Y")+1);
?>
Note: This can be more reliable than simply adding or subtracting the number of seconds in a day or month to a timestamp because of daylight saving time.
Some examples of date() formatting. Note that you should escape any other characters, as any which currently have a special meaning will produce undesirable results, and other characters may be assigned meaning in future PHP versions. When escaping, be sure to use single quotes to prevent characters like \n from becoming newlines.
Example #4 date() Formatting
<?php
// Assuming today is March 10th, 2001, 5:16:18 pm, and that we are in the
// Mountain Standard Time (MST) Time Zone
$today = date("F j, Y, g:i a"); // March 10, 2001, 5:16 pm
$today = date("m.d.y"); // 03.10.01
$today = date("j, n, Y"); // 10, 3, 2001
$today = date("Ymd"); // 20010310
$today = date('h-i-s, j-m-y, it is w Day'); // 05-16-18, 10-03-01, 1631 1618 6 Satpm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.'); // it is the 10th day.
$today = date("D M j G:i:s T Y"); // Sat Mar 10 17:16:18 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h'); // 17:03:18 m is month
$today = date("H:i:s"); // 17:16:18
?>
To format dates in other languages, you should use the setlocale() and strftime() functions instead of date().
Notes
Note: To generate a timestamp from a string representation of the date, you may be able to use strtotime(). Additionally, some databases have functions to convert their date formats into timestamps (such as MySQL's » UNIX_TIMESTAMP function).
Tip
Timestamp of the start of the request is available in $_SERVER['REQUEST_TIME'] since PHP 5.1.
See Also
- getlastmod() - Gets time of last page modification
- gmdate() - Format a GMT/UTC date/time
- mktime() - Get Unix timestamp for a date
- strftime() - Format a local time/date according to locale settings
- time() - Return current Unix timestamp
- Predefined DateTime Constants
add a note
User Contributed Notesdate
martinjsteven at gmail dot com
11-Jun-2009 11:20
11-Jun-2009 11:20
rez dot eza at gmail dot com
27-May-2009 04:12
27-May-2009 04:12
<?php
//for Indonesian get return today
echo returnDate(date("N"), "day") . ", " . date("j") . " " . returnDate(date("n"), "month") . " " . date("Y");
function returnDate($num, $tipe){
$str;
switch($tipe){
case "month":
$month_name = array("", "Januari", "Februari", "Maret", "April", "Mei", "Juni", "Juli", "Agustus", "September", "Oktober", "November", "Desember");
$str = $month_name[floor($num)];
break;
case "day":
$day_name = array("", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu", "Minggu");
$str = $day_name[floor($num)];
break;
}
return $str;
}
?>
sarmad dot saadi at gmail dot com
24-May-2009 08:52
24-May-2009 08:52
// showing how to detect a leap year
<?php
function is_leapyear($year = 2004) {
$is_leap = date('L', strtotime("$year-1-1"));
return $is_leap;
}
?>
<?php
$answer = is_leapyear(2000);
if($answer) {
echo "2000 is a leap year<BR>";
} else {
echo "2000 is not a leap year.<BR>";
}
/* Use default for the parameter */
$yy="2003";
$answer = is_leapyear(2003);
if($answer) {
echo "$yy is a leap year.<BR>";
} else {
echo "$yy is not a leap year.<BR>";
}
?>
guido dot orellana at gmail dot com
29-Apr-2009 06:55
29-Apr-2009 06:55
Function to obtain last week timestamps.
<?php
function LastWeek(){
$week = date('W');
$year = date('Y');
$lastweek=$week-1;
if ($lastweek==0){
$week = 52;
$year--;
}
$lastweek=sprintf("%02d", $lastweek);
for ($i=1;$i<=7;$i++){
$arrdays[] = strtotime("$year". "W$lastweek"."$i");
}
return $arrdays;
}
$days = LastWeek();
echo "last week between " . date('Ymd000000',$days[0]) . " and " . date('Ymd235959', $days[6]) . "\n";
?>
eduardo at digmotor dot com dot br
21-Apr-2009 08:34
21-Apr-2009 08:34
Thanks to tcasparr at gmail dot com for the great idea (at least for me) ;)
I changed the code a little to replicate the functionality of date_parse_from_format, once I don't have PHP 5.3.0 yet. This might be useful for someone. Hope you don't mind changing your code tcasparr at gmail dot com.
<?php
/*******************************************************
* Simple function to take in a date format and return array of associated
* formats for each date element
*
* @return array
* @param string $strFormat
*
* Example: Y/m/d g:i:s becomes
* Array
* (
* [year] => Y
* [month] => m
* [day] => d
* [hour] => g
* [minute] => i
* [second] => s
* )
*
* This function is needed for PHP < 5.3.0
********************************************************/
function dateParseFromFormat($stFormat, $stData)
{
$aDataRet = array();
$aPieces = split('[:/.\ \-]', $stFormat);
$aDatePart = split('[:/.\ \-]', $stData);
foreach($aPieces as $key=>$chPiece)
{
switch ($chPiece)
{
case 'd':
case 'j':
$aDataRet['day'] = $aDatePart[$key];
break;
case 'F':
case 'M':
case 'm':
case 'n':
$aDataRet['month'] = $aDatePart[$key];
break;
case 'o':
case 'Y':
case 'y':
$aDataRet['year'] = $aDatePart[$key];
break;
case 'g':
case 'G':
case 'h':
case 'H':
$aDataRet['hour'] = $aDatePart[$key];
break;
case 'i':
$aDataRet['minute'] = $aDatePart[$key];
break;
case 's':
$aDataRet['second'] = $aDatePart[$key];
break;
}
}
return $aDataRet;
}
?>
Also, if you need to change the format of dates:
<?php
function changeDateFormat($stDate,$stFormatFrom,$stFormatTo)
{
// When PHP 5.3.0 becomes available to me
//$date = date_parse_from_format($stFormatFrom,$stDate);
//For now I use the function above
$date = dateParseFromFormat($stFormatFrom,$stDate);
return date($stFormatTo,mktime($date['hour'],
$date['minute'],
$date['second'],
$date['month'],
$date['day'],
$date['year']));
}
?>
Anonymous
14-Apr-2009 02:10
14-Apr-2009 02:10
Heads up: The date('W') week number of the year is computed based on Monday, and may not be exactly what you expect. What is "Week 01" of year 2008? This is different from the date('z') day number of the year which is computed from January 1 == day zero.
<?php // RAY_date_W.php
echo "<br/>" . date('W', strtotime("December 28, 2008")); // 52
echo "<br/>" . date('W', strtotime("December 29, 2008")); // 01
echo "<br/>" . date('W', strtotime("January 2, 2009")); // 01
if (!date('z', strtotime("January 1"))) echo "<br/>FALSE"; // FALSE
?>
tcasparr at gmail dot com
13-Apr-2009 05:21
13-Apr-2009 05:21
<?php
/**
* Simple function to take in a date format and return array of associated formats for each date element
* @return array
* @param string $strFormat
*
* Example: Y/m/d g:i:s becomes
* Array
* (
* [year] => Y
* [month] => m
* [day] => d
* [hour] => g
* [minute] => i
* [second] => s
* )
*/
function extract_date_format($strFormat)
{
$format_array = array();
$pieces = split('[:/.\ \-]', $strFormat);
foreach($pieces as $piece)
{
switch ($piece)
{
case 'd':
case 'j':
$format_array['day'] = $piece;
break;
case 'F':
case 'M':
case 'm':
case 'n':
$format_array['month'] = $piece;
break;
case 'o':
case 'Y':
case 'y':
$format_array['year'] = $piece;
break;
case 'g':
case 'G':
case 'h':
case 'H':
$format_array['hour'] = $piece;
break;
case 'i':
$format_array['minute'] = $piece;
break;
case 's':
$format_array['second'] = $piece;
break;
}
}
return $format_array;
}
?>
pierre
24-Feb-2009 10:22
24-Feb-2009 10:22
It seems to me that you can reliably get the week range of a certain numeric week like so:
<?php
// 2009 is the year
// W01 is week number 1
// 1 is the day number (Monday), 7 would be Sunday
strtotime("2009W011");
// Example 1 (These return the days for Week 1 or 2009
Mon_timestamp = strtotime("2009W011");
Tue_timestamp = strtotime("2009W012");
Wed_timestamp = strtotime("2009W013");
Thu_timestamp = strtotime("2009W014");
Fri_timestamp = strtotime("2009W015");
Sat_timestamp = strtotime("2009W016");
Sun_timestamp = strtotime("2009W017");
// Example 2 (more dynamic)
// set the 7 dates of the week
for($i=1; $i<=7; $i++) {
$dates[$i] = strtotime($year.'W'.$week.$i);
}
?>
Just remember you must pad the week number if it's under 10. 1 won't work, it should be 01.
uramihsayibok, gmail, com
21-Jan-2009 02:47
21-Jan-2009 02:47
In a refreshing change, this code snippet is *not* about calculating date differences or anything like that.
<background-story>
I've always preferred date() over strftime() because of what each offers. For example, date has an st/nd/rd for the day number (S) while strftime does not. It also has an unpadded day number (j) that strftime doesn't (%e pads it with a space).
On the other hand, each character in the format string for date() is translated unless you prepend a backslash...
Recently I've wanted to create links with date information in it. Like with "January 21st 2009" each part would be a link (January => /2009/01, 21st => /2009/01/21, 2009 => /2009). date() makes this difficult because the HTML markup gets the treatment as well as the Y/m/d characters. Escaping all of those is ugly, not to mention annoying.
</background-story>
Here's my combination of date's placeholders and strftime's % markers. It's the best solution I could think of (at 5am mind you) but I'm open to suggestions.
Lots of comments because the code is rather tricky.
<?php
/**
* Combines placeholders from date() with the % marker from strftime()
*
* Like strftime, use %% for a literal %.
*
* @see date, strftime
* @param string $format The format of the outputted date string
* @param int $timestamp An integer Unix timestamp that defaults to the current local time
* @return A formatted date string
*/
function strfdate($format, $timestamp = null) {
// look for tokens
if (preg_match_all('/(?<!%)(%%)*%(.)/', $format, $matches)) {
// passing false or null as the timestamp doesn't work so we
// have to generate the default ourselves
if ($timestamp === null) $timestamp = time();
// run each token through date - all at once
// combines them into a "a!b!c!d" list, runs it through date,
// and splits it apart again
$parts = explode("!", date(implode("!", $matches[2]), $timestamp));
// (! should never show up in date() output so this works)
// a second function is used sequentially:
// the Xth time this function is called it will replace the Xth token
// with the corresponding element in $parts (which is passed through as $a)
//
// @param array $a Meant to be $parts as defined above
// @return $a[X] where X is how many times this function has been called
$replace = create_function('$a', 'static $i = 0; return $a[$i++];');
// find each token and get the replacement data from the $replace function
// note how the text being replaced isn't used anywhere: we already know
// what it is as it was used to create the $parts array
$result = preg_replace('/(%*)%./e', '"$1" . $replace($parts)', $format);
// finally "unescape" any %s
$result = str_replace("%%", "%", $result);
return $result;
}
return $format;
}
?>
mrkrackham
18-Nov-2008 07:33
18-Nov-2008 07:33
Just in case anyone else is looking for an easy-to-find equivalent for W3C Datetime or date("c") in a previous version of php, here's one I did. Hope it helps someone.
<?php
function w3cDate($time=NULL)
{
if (empty($time))
$time = time();
$offset = date("O",$time);
return date("Y-m-d\TH:i:s",$time).substr($offset,0,3).":".substr($offset,-2);
}
?>
Examples:
echo w3cDate(); //2008-11-18T12:15:18-07:00
echo w3cDate(mktime(2,3,4,5,6,2007)); //2007-05-06T02:03:04-06:00
sourabhshankar AT gmail DOT com
14-Nov-2008 08:43
14-Nov-2008 08:43
<?php
/*
Find out start and end date of current week.
I am assuming that week starts at sunday and ends at saturday.
so a typical week will look like this: sun,mon,tue,wed,thu,fri,sat
if you find any bug/error, please email me.
*/
//sunday = start of week
$sat = 6; //saturday = end of week
$current_day=date('w');
$days_remaining_until_sat = $sat - $current_day;
$ts_start = strtotime("-$current_day days");
$ts_end = strtotime("+$days_remaining_until_sat days");
echo date('m-d-Y',$ts_start); //start date
echo '<br>';
echo date('m-d-Y',$ts_end); //end date
/*
OUTPUT (m-d-y):
11-09-2008
11-15-2008
*/
?>
Kenneth Kin Lum
02-Oct-2008 10:52
02-Oct-2008 10:52
date(DATE_RFC822) and date(DATE_RFC2822) both work. note that RFC 822 is obsoleted by RFC 2822. The main difference is the year being 08 in RFC 822 and is 2008 in RFC 2822.
To use date(DATE_RFC2822), a short form is date('r').
Anonymous
12-Sep-2008 01:01
12-Sep-2008 01:01
Correct format for a MySQL DATETIME column is
<?php $mysqltime = date ("Y-m-d H:i:s", $phptime); ?>
Cortexd
27-Aug-2008 06:47
27-Aug-2008 06:47
a date function supporting the milliseconds format character
<?php
function udate($format, $utimestamp = null)
{
if (is_null($utimestamp))
$utimestamp = microtime(true);
$timestamp = floor($utimestamp);
$milliseconds = round(($utimestamp - $timestamp) * 1000000);
return date(preg_replace('`(?<!\\\\)u`', $milliseconds, $format), $timestamp);
}
echo udate('H:i:s.u'); // 19:40:56.78128
echo udate('H:i:s.u', 654532123.04546); // 16:28:43.45460
?>
pdubbb1 at gmail dot com
26-Aug-2008 12:32
26-Aug-2008 12:32
here is the simpliest way to get the start and end date of the week;
<?php
$sdate=date('c',strtotime(date('Y')."W".date('W')."0"));
$edate=date('c',strtotime(date('Y')."W".date('W')."7"));
?>
the format is for the string in strtotime is;
2008W200
this stands for year - 2008, constant never changes - W, week number of the year - 20, day of the week - 0 for sunday, 1 for monday, etc....
so 2008W200 stands for the sunday of the 20th week of 2008.
This will only work in php 5 or better
abazaba.ru
14-Aug-2008 10:53
14-Aug-2008 10:53
All novices must be very carefull when working with timestamps as second values.
From first glance it looks like date("Y-m-d H:i:s",TIMESTAMP) will return correct date, based on "how much seconds gone from 1970".
But here is the feature, it'll be corrected time, according to LOCAL timezone.
So if you take a 25200 as timestamp (10 hours),
then on one server you'll get
1970-01-01 08:00:00
and on other server you'll get
1970-01-01 09:00:00
and so on.
Though you could expect 1970-01-01 10:00:00 in all cases, because if 25200 seconds gone from 1970-01-01 00:00:00 it obviously have to be 1970-01-01 10:00:00
I spend today 3 hours to correct scripts which were created with such error by previous programmer, so please, guys, don't make me work like this and remember about conversation to LOCAL time.
phprocks at aol dot com
06-Aug-2008 06:25
06-Aug-2008 06:25
Try this for finding the difference in days between 2 dates/datetimes... take note though, date_parse requires PHP version 5.1.3 or higher.
<?php
/**
* Finds the difference in days between two calendar dates.
*
* @param Date $startDate
* @param Date $endDate
* @return Int
*/
function dateDiff($startDate, $endDate)
{
// Parse dates for conversion
$startArry = date_parse($startDate);
$endArry = date_parse($endDate);
// Convert dates to Julian Days
$start_date = gregoriantojd($startArry["month"], $startArry["day"], $startArry["year"]);
$end_date = gregoriantojd($endArry["month"], $endArry["day"], $endArry["year"]);
// Return difference
return round(($end_date - $start_date), 0);
}
?>
JonathanCross.com
25-Jul-2008 08:22
25-Jul-2008 08:22
<?php
// A demonstration of the new DateTime class for those
// trying to use dates before 1970 or after 2038.
?>
<h2>PHP 2038 date bug demo (php version <?php echo phpversion(); ?>)</h1>
<div style='float:left;margin-right:3em;'>
<h3>OLD Buggy date()</h3>
<?php
$format='F j, Y';
for ( $i = 1900; $i < 2050; $i++) {
$datep = "$i-01-01";
?>
Trying: <?php echo $datep; ?> = <?php echo date($format, strtotime($datep)); ?><br>
<?php
}
?></div>
<div style='float:left;'>
<h3>NEW DateTime Class (v 5.2+)</h3><?php
for ( $i = 1900; $i < 2050; $i++) {
$datep = "$i-01-01";
$date = new DateTime($datep);
?>
Trying: <?php echo $datep; ?> = <?php echo $date->format($format); ?><br>
<?php
}
?></div>
Rob A.
10-Jul-2008 04:38
10-Jul-2008 04:38
Quick function for returning the names of the next 7 days of the week starting with today.
Returns an array that can be formatted to your liking.
<?php
/**
* Returns array of next 7 days starting with today
*
*/
function next_7_days() {
// create array of day names. You can change these to whatever you want
$days = array(
'Monday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday',
'Sunday');
$today = date('N');
for ($i=1;$i<$today;$i++) {
// take the first element off the array
$shift = array_shift($days);
// ... and add it to the end of the array
array_push($days,$shift);
}
// returns the sorted array
return $days;
}
?>
It basically takes an array starting with Monday and shifts each day to the end of the array until the first element in the array is today.
con_tobe at yahoo dot com
10-Jul-2008 03:46
10-Jul-2008 03:46
Doing $w-- for months ending on Sat won't hurt (i.e. if you're counting weeks as is the case below), but halocastle's code is perfectly fine as is and quite fast. He/she uses $w as a key for the $weeks array. "Halo" does this BEFORE $w++, so $w-- is superfluous as the loop has already ended. For May, 2008, I get 5 weeks as expected...
Array
(
[1] => Array
(
[4] => 1
[5] => 2
[6] => 3
)
[2] => Array
(
[0] => 4
[1] => 5
------------OMITTED-----------------
[4] => 22
[5] => 23
[6] => 24
)
[5] => Array
(
[0] => 25
[1] => 26
[2] => 27
[3] => 28
[4] => 29
[5] => 30
[6] => 31
)
)
I guess the one pit-fall of the code is if you overlap months, say the following year, then $m-- makes perfect since...I think (haven't gotten that far...yet).
I modified "Halo's" code to include months, too (this is from a snippet that produces a three month calendar, hence the outer $months loop, omitted here).
<?php
$m = date('m');
$Y = date('Y');
// for() {months loop omitted
$var_date = mktime(0, 0, 0, $m, 1, $Y);
$month_name = date('F', $var_date);
$months[$month_name]['DAYS'] = date('t', $var_date);
$months[$month_name]['FIRST_DAY'] = date('w', $var_date);
//}
foreach($months as $month => $key) {
$weeks = array();
for($i = 1, $j = $key['FIRST_DAY'], $w = 1;$i <= $key['DAYS'];$i++) {
$weeks[$w][$j] = $i;
$j++;
if($j == 7) {
$j = 0;
$w++;
}
}
$months[$month]['WEEKS'] = $weeks;
}
?>
Enjoy!
halocastle at yahoo dot com
01-Jul-2008 04:20
01-Jul-2008 04:20
Weeks and days for any month/year combo:
<?php
$m = 2; // February
$Y = 2008;
// constants used here for legibility, use $vars for dynamicon...
define('MONTH_DAYS',date('t', strtotime(date($m . '/01/' . $Y))));
// w:0->6 = Sun->Sat
define('MONTH_FIRST_DAY',date('w', strtotime(date($m . '/01/' . $Y))));
for($i = 1, $j = MONTH_FIRST_DAY, $w = 1;$i <= MONTH_DAYS;$i++) {
$week[$w][$j] = $i;
$j++;
if($j == 7) {
$j = 0;
$w++;
}
}
?>
print_r($week):
-----------------------
Array
(
[1] => Array
(
[5] => 1
[6] => 2
)
[2] => Array
(
[0] => 3
[1] => 4
[2] => 5
[3] => 6
[4] => 7
[5] => 8
[6] => 9
)
[3] => Array
(
[0] => 10
[1] => 11
[2] => 12
[3] => 13
[4] => 14
[5] => 15
[6] => 16
)
[4] => Array
(
[0] => 17
[1] => 18
[2] => 19
[3] => 20
[4] => 21
[5] => 22
[6] => 23
)
[5] => Array
(
[0] => 24
[1] => 25
[2] => 26
[3] => 27
[4] => 28
[5] => 29
)
)
[EDIT BY danbrown AT php DOT net: In a note dated 03-JUL-08, (dmagick AT gmail DOT com) offered the following amendment to this note.]
[I've updated this] code as it doesn't take into account when a month finishes on a Saturday (eg May 2008).
<?php
$start_date = mktime(0, 0, 0,$start_month, 1, $start_year);
$days_in_month = date('t', $start_date);
$month_first_day = date('w', $start_date);
$j = $month_first_day;
$num_weeks = 1;
for($i = 1; $i <= $days_in_month; $i++) {
$j++;
if($j == 7) {
$j = 0;
$num_weeks++;
}
}
// if the last day of the month happens to be a Saturday,
// take one off the number of weeks
// because it was being added inside the for loop.
if ($j == 0) {
$num_weeks--;
}
?>
Kavi Siegel
30-Jun-2008 02:18
30-Jun-2008 02:18
I wrote the following function to show a series of drop down boxes to select the date. When provided with a timestamp, that date is selected by default, when none is provided, the current date is selected.
<?php
function chooseDate($timestamp = ""){
if($timestamp == ""){
$timestamp = time();
}
$months = array(null, 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
unset($months[0]);
print_r($months);
$out = '<select name="month">';
foreach($months as $key => $month){
if($month == date('M', $timestamp)){
$out .= '<option value="'.$key.'" selected="selected">'.$month.'</option>';
}else{
$out .= '<option value="'.$key.'">'.$month.'</option>';
}
}
$out .= '</select><select name="days">';
for($i = 1; $i <= 32; $i++){
if($i == date('j', $timestamp)){
$out .= '<option value="'.$i.'" selected="selected">'.$i.'</option>';
}else{
$out .= '<option value="'.$i.'">'.$i.'</option>';
}
}
$out .= "</select><select name='year'>";
for($i = date('Y'); $i >= 1970