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Bug #62211 Weekdays with strtotime
Submitted: 2012-06-02 01:55 UTC Modified: 2012-06-02 09:18 UTC
Votes:1
Avg. Score:4.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:1 (100.0%)
Same OS:1 (100.0%)
From: alix dot axel at gmail dot com Assigned:
Status: Not a bug Package: Date/time related
PHP Version: Irrelevant OS: Linux
Private report: No CVE-ID: None
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From: alix dot axel at gmail dot com
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 [2012-06-02 01:55 UTC] alix dot axel at gmail dot com 
Description:
------------
When using the relative "weekday[s]" string with strtotime() it returns 
inconsistent results, sometimes the date is the correct one, but some other times 
it's wrong (it even returns weekend days).

http://codepad.org/2wYfJltN
http://stackoverflow.com/questions/10857762/php-time-periods-without-weekends

Test script:
---------------
<?php

var_dump(PHP_VERSION);

$date = strtotime('2012-05-30'); // Wednesday

var_dump(date('Y-m-d (l)', strtotime('+1 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+6 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+8 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+9 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+10 weekdays', $date)));

$date = strtotime('2012-05-31'); // Friday

var_dump(date('Y-m-d (l)', strtotime('+1 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+6 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+8 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+9 weekdays', $date)));
var_dump(date('Y-m-d (l)', strtotime('+10 weekdays', $date)));

Expected result:
----------------
string(5) "5.2.5"
string(21) "2012-05-31 (Thursday)"
string(21) "2012-06-07 (Thursday)"
string(21) "2012-06-11 (Monday)"
string(19) "2012-06-12 (Tuesday)"
string(22) "2012-06-13 (Wednesday)"
string(19) "2012-06-01 (Friday)"
string(19) "2012-06-08 (Friday)"
string(19) "2012-06-12 (Tuesday)"
string(19) "2012-06-13 (Wednesday)"
string(21) "2012-06-14 (Thursday)"

Actual result:
--------------
string(5) "5.2.5"
string(21) "2012-05-31 (Thursday)"
string(21) "2012-06-07 (Thursday)"
string(21) "2012-06-09 (Saturday)"
string(19) "2012-06-10 (Sunday)"
string(22) "2012-06-13 (Wednesday)"
string(19) "2012-06-01 (Friday)"
string(19) "2012-06-08 (Friday)"
string(19) "2012-06-10 (Sunday)"
string(19) "2012-06-11 (Monday)"
string(21) "2012-06-14 (Thursday)"

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 [2012-06-02 09:18 UTC] rasmus@php.net 
Please use a current version of PHP. 5.2.5 is from 2007. 
This is the output I get:

string(10) "5.3.15-dev"
string(21) "2012-05-31 (Thursday)"
string(21) "2012-06-07 (Thursday)"
string(19) "2012-06-11 (Monday)"
string(20) "2012-06-12 (Tuesday)"
string(22) "2012-06-13 (Wednesday)"
string(19) "2012-06-01 (Friday)"
string(19) "2012-06-08 (Friday)"
string(20) "2012-06-12 (Tuesday)"
string(22) "2012-06-13 (Wednesday)"
string(21) "2012-06-14 (Thursday)"
 [2012-06-02 09:18 UTC] rasmus@php.net
-Status: Open +Status: Not a bug
 
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