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php get duplicate record from an array

Posted on 2013-01-29
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Last Modified: 2013-02-01
i have following array which could have duplicate records w.r.t [rt] & [userList] .
It has to be clubbed into one in [rc] and [ri].
Over here boisoc.com and  lovetomarry.com has same [rt] & [userList] value hence there o/p should be clubbed to one .

Array
(
    [0] => Array
        (
            [rt] => doesnt contain
            [rc] => @boisoc.com
            [userList] => admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in

            [ri] => 0
        )

    [1] => Array
        (
            [rt] => doesnt contain
            [rc] => @lovetomarry.com
            [userList] => admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in

            [ri] => 1
        )
   [2] => Array
        (
            [rt] => contain
            [rc] => @lovetomarry.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in

            [ri] => 2
        )
  [3] => Array
        (
            [rt] => contain
            [rc] => @mangalsutrabandhan.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in,xyz@mangalsutrabandhan.in

            [ri] => 3
        )

)

o/p
Array
(
    [0] => Array
        (
            [rt] => doesnt contain
            [rc] => @boisoc.com,lovetomarry.com
            [userList] => admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in

            [ri] => 0,1
        )

   
   [1] => Array
        (
            [rt] => contain
            [rc] => @lovetomarry.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in

            [ri] => 2
        )
   [2] => Array
        (
            [rt] => contain
            [rc] => @mangalsutrabandhan.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in,xyz@mangalsutrabandhan.in

            [ri] => 3
        )

)
0
Comment
Question by:Insoftservice
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7 Comments
 
LVL 110

Expert Comment

by:Ray Paseur
ID: 38830631
Perhaps you would want to start with usort()?  I am not sure I understand the output you would expect to get from the process, but if you want to manually create the output you expect and you can post it here, I will be glad to look for a process to make this input into your desired output.  Best regards, ~Ray
0
 
LVL 15

Author Comment

by:Insoftservice
ID: 38830764
o/p is already there

o/p
Array
(
    [0] => Array
        (
            [rt] => doesnt contain
            [rc] => @boisoc.com,lovetomarry.com
            [userList] => admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in

            [ri] => 0,1
        )

   
   [1] => Array
        (
            [rt] => contain
            [rc] => @lovetomarry.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in

            [ri] => 2
        )
   [2] => Array
        (
            [rt] => contain
            [rc] => @mangalsutrabandhan.com
            [userList] => admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in,xyz@mangalsutrabandhan.in

            [ri] => 3
        )

)
0
 
LVL 110

Expert Comment

by:Ray Paseur
ID: 38833659
Thanks for that.  So it's a combination of [rt] and [userlist] that indicates an equal comparison?  And when we detect that, we want to set [rc] equal to a concatenation of all of the [rc] elements in all of the matching [rt] + [userlist] items?
0
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LVL 15

Author Comment

by:Insoftservice
ID: 38833906
Exactly you caught the right nerve.
0
 
LVL 110

Accepted Solution

by:
Ray Paseur earned 500 total points
ID: 38834794
Please see: http://www.laprbass.com/RAY_temp_insoftservice.php

<?php // RAY_temp_insoftservice.php
error_reporting(E_ALL);
echo '<pre>';


// So it's a combination of [rt] and [userlist] that indicates an equal comparison?
// And when we detect that, we want to set [rc] equal to a concatenation of all of
// the [rc] elements in all of the matching [rt] + [userlist] items?


// TEST DATA FROM THE POST AT EE
$dat
=
Array
( Array
  ( 'rt' => 'doesnt contain'
  , 'rc' => '@boisoc.com'
  , 'userList' => 'admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in'
  , 'ri' => '0'
  )
, Array
  ( 'rt' => 'doesnt contain'
  , 'rc' => '@lovetomarry.com'
  , 'userList' => 'admin@mangalsutrabandhan.in,abc@mangalsutrabandhan.in'
  , 'ri' => '1'
  )
, Array
  ( 'rt' => 'contain'
  , 'rc' => '@lovetomarry.com'
  , 'userList' => 'admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in'
  , 'ri' => '2'
  )
, Array
  ( 'rt' => 'contain'
  , 'rc' => '@mangalsutrabandhan.com'
  , 'userList' => 'admin2@mangalsutrabandhan.in,test@mangalsutrabandhan.in,xyz@mangalsutrabandhan.in'
  , 'ri' => '3'
  )
)
;
// DOES IT LOOK RIGHT? (YES)
print_r($dat);

// ITERATE OVER THE DATA TO CREATE THE COMPARISON FIELD AND COLLECT THE TANK ELEMENTS
error_reporting(E_ALL ^ E_NOTICE);
$text_tank = array();
$numb_tank = array();
foreach ($dat as $key => $arr)
{
    $arr['rt_userList'] = $arr['rt'] . $arr['userList'];
    $text_tank[$arr['rt_userList']] .= ',' . $arr['rc'];
    $numb_tank[$arr['rt_userList']] .= ',' . $arr['ri'];
    $dat[$key] = $arr;
}
error_reporting(E_ALL);

// ITERATE OVER THE DATA TO TIDY UP THE FIELDS
foreach ($text_tank as $key => $str)
{
    $str = ltrim($str, ',');
    $str = str_replace(',@', ',', $str);
    $text_tank[$key] = $str;
}
foreach ($numb_tank as $key => $str)
{
    $numb_tank[$key] = ltrim($str, ',');
}

// REMOVE DUPLICATES FROM THE ORIGINAL DATA
foreach ($dat as $key => $arr)
{
    $new[$arr['rt_userList']] = $arr;
}

// SUPPLY REPLACEMENT FIELDS
foreach ($new as $key => $arr)
{
    $arr['rc'] = $text_tank[$key];
    $arr['ri'] = $numb_tank[$key];
    unset($arr['rt_userList']);
    $new[$key] = $arr;
}

// STRIP THE ASSOCIATIVE KEYS AND SHOW THE WORK PRODUCT
$new = array_values($new);
print_r($new);

Open in new window

Best regards, ~Ray
0
 
LVL 15

Author Closing Comment

by:Insoftservice
ID: 38842658
thx worked as expected
0
 
LVL 110

Expert Comment

by:Ray Paseur
ID: 38844257
Thanks for the points, ~Ray
0

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