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compare two timevalues using php windows (without strptime)

Posted on 2011-02-28
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Last Modified: 2012-06-21
compare these two time values

P2DT16H38M54S


P2DT16H38M56S



if ($first>$second) do something


Can not
Parse the values using strptime function.
http://www.php.net/manual/en/function.strptime.php 
because
Note: This function is not implemented on Windows platforms.


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Question by:rgb192
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6 Comments
 
LVL 27

Expert Comment

by:Lukasz Chmielewski
ID: 35001409
Did you look at the comments under the function definition ?
Doesn't any of the fit ?
0
 

Author Comment

by:rgb192
ID: 35001470
i checked comments under function definition and none fit


maybe it needs a string replace

P2DT16H2M40S
sometimes there is 1digit
(2minutes)
0
 
LVL 27

Expert Comment

by:Lukasz Chmielewski
ID: 35001539
Could you explain some string format to date as I'm not familiar with it ? We could work on that maybe fitting the regular expressions ?
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Author Comment

by:rgb192
ID: 35001581
P2DT16H2M40S

P-> I dont know
DT->Days
H->Hours
M->Minutes
S->Seconds
0
 
LVL 27

Accepted Solution

by:
Lukasz Chmielewski earned 500 total points
ID: 35004376
Take a look at this:

<?php
    $var1 = "P2DT16H38M54S";
    $var2 = "P2DT16H38M56S";
    
    echo"date1: $var1<br />date2: $var2<br />";
        
    $date1 = implode("",preg_split("/[a-zA-Z]/",$var1));
    $date2 = implode("",preg_split("/[a-zA-Z]/",$var2));    
    
    //print_r($date1);
    //print_r($date2);
    
    if($date1 <= $date2){
        echo"date1 less or equal than date2";
    }else{
        echo"date2 less than date1";
    }
?>

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Author Closing Comment

by:rgb192
ID: 35007525
Thanks,

http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/Q_26855251.html

I have a similar question
ebay gives time left in the format

P2DT16H2M40S
P20DT6H2M4S

P-> I dont know
DT->Days
H->Hours
M->Minutes
S->Seconds
0

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