Proudly hosted with Dreamhost
Save $20 when signing up for Dreamhost by using the promo code amnuts20
If you find these scripts useful to you, appreciate the free support, or are just an all round nice person, then why not donate a little dosh to encourage me to continue? Every little helps!
|
Date/Time Functions
Provides a number of date and time related functions.
class.datetime.php
A new version adding extra functionality. Please be aware that the name of the class has change, and you no longer need to instantiate it.
<?php
// class.datetime.php
// version 2.0.0, 2004-07-29
//
// Description
//
// A PHP library of helpful date methods. This class does not
// need to be instantiated.
//
// Author
//
// Andrew Collington, 2004
// php@amnuts.com, http://php.amnuts.com/
//
// Feedback
//
// There is message board at the following address:
//
// http://php.amnuts.com/forums/index.php
//
// Please use that to post up any comments, questions, bug reports, etc. You
// can also use the board to show off your use of the script.
//
// License
//
// This class is available free of charge for personal or non-profit work. If
// you are using it in a commercial setting, please contact php@amnuts.com for
// payment and licensing terms.
//
// Support
//
// If you like this script, or any of my others, then please take a moment
// to consider giving a donation. This will encourage me to make updates and
// create new scripts which I would make available to you. If you would like
// to donate anything, then there is a link from my website to PayPal.
//
class DateTime
{
/**
* Compares two dates.
*
* Returns:
*
* < 0 if date1 is less than date2;
* > 0 if date1 is greater than date2;
* 0 if they are equal.
*
* @return int
* @param string|timestamp $date1
* @param string|timestamp $date2
*/
function compareDates($date1, $date2)
{
if (!is_numeric($date1)) {
$date1 = DateTime::timeStringToStamp($date1);
}
if (!is_numeric($date2)) {
$date2 = DateTime::timeStringToStamp($date2);
}
if ($date1 < $date2) {
return -1;
} else if ($date1 > $date2) {
return 1;
} else {
return 0;
}
}
/**
* Converts a date/time string to Unix timestamp
*
* @return timestamp
* @param string $string
*/
function timeStringToStamp($string)
{
return strtotime($string);
}
/**
* Converts Unix timestamp to a date/time string using format given
*
* Special options can be passed for the format parameter. These are
* set format types. The options currently include:
*
* o mysql
*
* If the time parameter isn't supplied, then the current local time
* will be used.
*
* @return string
* @param integer $time
* @param string $format
*/
function timeStampToString($time = 0, $format = 'Y-m-d H:i:s')
{
if ($format == 'mysql') {
$format = 'Y-m-d H:i:s';
}
if ($time == 0) {
$time = time();
}
return date($format, $time);
}
/**
* Converts a Unix timestamp or date/time string to a specific format.
*
* Special options can be passed for the format parameter. These are
* set format types. The options currently include:
*
* o mysql
*
* If the time parameter isn't supplied, then the current local time
* will be used.
*
* @return string
* @param integer|string $time
* @param string $format
* @see timeStringToStamp()
* @see timeStampToString()
*/
function timeFormat($time = 0, $format = 'Y-m-d H:i:s')
{
if (!is_numeric($time)) {
$time = DateTime::timeStringToStamp($time);
}
if ($time == 0) {
$time = time();
}
return DateTime::timeStampToString($time, $format);
}
/**
* Converts a Unix timestamp or date/time string to a human-readable
* format, such as '1 day, 2 hours, 42 mins, and 52 secs'
*
* Based on the word_time() function from PG+ (http://pgplus.ewtoo.org)
*
* @return string
* @param integer|string $time
* @see timeStringToStamp()
*/
function timeToHumanReadable($time = 0)
{
if (!is_numeric($time)) {
$time = DateTime::timeStringToStamp($time);
}
if ($time == 0) {
return 'no time at all';
} else {
if ($time < 0) {
$neg = 1;
$time = 0 - $time;
} else {
$neg = 0;
}
$days = $time / 86400;
$days = floor($days);
$hrs = ($time / 3600) % 24;
$mins = ($time / 60) % 60;
$secs = $time % 60;
$timestring = '';
if ($neg) {
$timestring .= 'negative ';
}
if ($days) {
$timestring .= "$days day" . ($days == 1 ? '' : 's');
if ($hrs || $mins || $secs) {
$timestring .= ', ';
}
}
if ($hrs) {
$timestring .= "$hrs hour" . ($hrs == 1 ? '' : 's');
if ($mins && $secs) {
$timestring .= ', ';
}
if (($mins && !$secs) || (!$mins && $secs)) {
$timestring .= ' and ';
}
}
if ($mins) {
$timestring .= "$mins min" . ($mins == 1 ? '' : 's');
if ($mins && $secs) {
$timestring .= ', ';
}
if ($secs) {
$timestring .= ' and ';
}
}
if ($secs) {
$timestring .= "$secs sec" . ($secs == 1 ? '' : 's');
}
return $timestring;
}
}
/**
* Give a slightly more fuzzy time string. such as: yesterday at 3:51pm
*
*
* @return string
* @param integer|string $time
* @see timeStringToStamp()
*/
function fuzzyTimeString($time = 0)
{
if (!is_numeric($time)) {
$time = DateTime::timeStringToStamp($time);
}
$now = time();
$sodTime = mktime(0, 0, 0, date('m', $time), date('d', $time), date('Y', $time));
$sodNow = mktime(0, 0, 0, date('m', $now), date('d', $now), date('Y', $now));
if ($sodNow == $sodTime) {
return 'today at ' . date('g:ia', $time); // check 'today'
} else if (($sodNow - $sodTime) <= 86400) {
return 'yesterday at ' . date('g:ia', $time); // check 'yesterday'
} else if (($sodNow - $sodTime) <= 432000) {
return date('l \a\\t g:ia', $time); // give a day name if within the last 5 days
} else if (date('Y', $now) == date('Y', $time)) {
return date('M j \a\\t g:ia', $time); // miss off the year if it's this year
} else {
return date('M j, Y \a\\t g:ia', $time); // return the date as normal
}
}
}
?>
6.64kb in size
last modified May 6, 2006 at 9:54pm
8829 views, 5988 downloads
test.datetime.php
A simple test script showing the method calls.
804b in size
last modified May 6, 2006 at 9:54pm
5985 views, 5014 downloads
|
