CODEWITHSUNDEEP
php
06011991
06011991

Reputation: 807

Remove repeated values in multi select dropdown using php

I have two foreach loops one contains the event list and one contains the values that have been selected by the user from the database.

Here is my code: 

<select class="form-control select2-select" autocomplete="off" name="event[]" multiple>
<option value="">--Select--</option>
  <?php
  $variable= $editlist['evname'];
  $array = explode(',', $variable);

  foreach($evlist as $list){
  foreach($array as $value){
  ?>
  <option value="<?php echo $list->event ?>"<?php if($list->event==$value) echo "selected";?>><?php echo $list->event ?>
   </option>
   <?php
 }
 }
?>
</select>

$evlist contains: 

array:9 [▼
  0 => "3rd Edition Healthscape Summit India-2016"
  1 => "6th Edition RESCOM Summit - Middle East"
  2 => "8th Edition Hotelier Summit Middle East-2016"
  3 => "Smart Education  India-2016"
  4 => "15th Edition Design Mission India-2016"
  5 => "16th Edition Design Mission  Africa-2016"
  6 => "1st Edition India Industrial Summit 2016"
  7 => "Pharmac  India-2016"
  8 => "17th Edition Design Mission Saudi Arabia-2016"
]

here $array contains only two values like: 

Array ( 
[0] => Smart Education India-2016 
[1] => 6th Edition RESCOM Summit - Middle East 
)

And my output is as follows:

output

how to prevent the repeated values in the dropdown ?

Upvotes: 1

Views: 934

Answers (2)

Nitya Kumar
Nitya Kumar

Reputation: 968

please try it :

<select class="form-control select2-select" autocomplete="off" name="event[]" multiple>
<option value="">--Select--</option>
  <?php
  $variable= $editlist['evname'];
  $array = explode(',', $variable);

  foreach($evlist as $list){
  ?>
  <option value="<?php echo $list->event ?>"

<?php 
if(in_array($list->event, $array))
echo "selected";?>><?php echo $list->event ?>
   </option>
   <?php
 }
?>
</select>

Upvotes: 1

Keyur Chavda-kc1994
Keyur Chavda-kc1994

Reputation: 1045

There are two options:

1) Make your array unique

<select class="form-control select2-select" autocomplete="off" name="event[]" multiple>
<option value="">--Select--</option>
  <?php
  $variable= $editlist['evname'];
  $array = explode(',', $variable);
  foreach(array_unique($evlist)as $list){  ?>
      <option value="<?php echo $list->event ?>"<?php if(in_array($list->event,$array)) echo "selected";?> > <?php echo $list->event ?>
   </option>
   <?php
  }
?>
</select>

2) In query add group by option value(i.e. event)

Upvotes: 1

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