Question

PHP - check if date is Sunday?

Asked by: sabecs

Hi,
If I have a date such as 08/11/2009 (format is DD/MM/YYYY).
Is there a way to check if the date is Sunday and if so add an extra day to this so that it will display Mondays date instead?

Thanks in advance for your feedback.

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Asked On
2009-11-04 at 15:57:12ID24873056
Tags

PHP

Topic

PHP Scripting Language

Participating Experts
5
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500
Comments
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Answers

 

by: wjaegerPosted on 2009-11-04 at 16:09:27ID: 25745566

Hello

try this Code:

$datestring = "1/10/2003";
$timestamp = strtotime($datestring);
if(strftime("%w",$timestamp)==0) {$timestamp = $timestamp + 86400}
echo strftime("%d",$timestamp);

                                              
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by: jb1devPosted on 2009-11-04 at 16:11:19ID: 25745576

Try

<? 
    $time = mktime(0, 0, 0, 11, 8, 2008);
    $day = date("l", $h);
    if($day == 'Sunday') {
        echo "It's Sunday";
    } 
?>
                                              
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by: HainKurtPosted on 2009-11-04 at 16:12:34ID: 25745583

try this...

if date( "w", $myDate) $myDate = $myDate + 86400;

 

by: HainKurtPosted on 2009-11-04 at 16:13:14ID: 25745586

I missed = 0 part above :)

if date( "w", $myDate)= 0 $myDate = $myDate + 86400;

 

by: mpn_1983Posted on 2009-11-04 at 16:13:46ID: 25745589

Have a look at: http://uk3.php.net/manual/en/function.date.php

date('%w', $your_date)

which will give you a number from 0 (sunday) to 6 (saturday), so if you get a 0 you can just add 1.

hth
Matt

 

by: mpn_1983Posted on 2009-11-04 at 16:15:23ID: 25745608

whoops - there shouldn't be a % infront of the w in that date() function call

 

by: jb1devPosted on 2009-11-04 at 16:15:37ID: 25745610

My post contains an error. I meant:

<? 
    $time = mktime(0, 0, 0, 11, 8, 2008);
    $day = date("l", $time);
    if($day == 'Sunday') {
        echo "It's Sunday";
    } 
?>
                                              
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by: Ray_PaseurPosted on 2009-11-04 at 16:24:12ID: 25745662

All PHP date and time stuff can be worked through the date() and time() functions.  Worth reading up on them.  IIRC, there is an EE article about those.  I'll post a sample in a moment - hope it is helpful. ~Ray

 

by: Ray_PaseurPosted on 2009-11-04 at 16:35:22ID: 25745730

Have a look at this - maybe install it and run it.  

You want to keep all internal representations of the date/time in the ISO8601-format.  Then you can use strtotime() and date() in predictable ways to format "pretty" human-readable dates.

You may find that the use of slashes vs dashes in the date input string will cause strtotime() to behave differently.  You can test strtotime() on my web site here:
http://www.laprbass.com/RAY_strtotime.php

One of the key advantages of using strtotime() and date() has to do with date parsing.  What if, instead of 08/11/2009 you had 8/11/2009?  You wind up having to write programming that could more reasonably be done by the built-in functions of PHP.

Best regards, ~Ray

<?php // RAY_temp_datetime.php
error_reporting(E_ALL); 
// THIS TEXT IS ASSUMED TO BE MM/DD/YYYY
$txt = '08/11/2009'; 
// MAN PAGE: http://us3.php.net/manual/en/function.strtotime.php
$unix_timestamp = strtotime($txt); 
// MAN PAGE: http://us3.php.net/manual/en/function.date.php
if (date('D', $unix_timestamp) == 'Sun')
{
    // ADD A DAY WORTH OF SECONDS TO GET MONDAY
    $monday = date('m/d/Y', $unix_timestamp + 24*60*60);
    echo "MONDAY IS $monday";
}
else
{
    echo "$txt IS NOT SUNDAY.  THIS IS THE ISO DATE FOR $txt: ";
    echo date('c', $unix_timestamp);
}

                                              
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by: sabecsPosted on 2009-11-04 at 18:17:55ID: 31650306

Thanks Ray, its perfect.

 

by: Ray_PaseurPosted on 2009-11-06 at 06:34:48ID: 25759401

Thanks for the points - it's a common question and with PHP date / time functions there is a ready solution.  Best, ~Ray

20120131-EE-VQP-002

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