Codeigniter sorting array values after array_unique

Question

I'm trying to use sort function for an array after array_unique function but I'm getting below error:

A PHP Error was encountered
Severity: Warning
Message: implode() [function.implode]: Invalid arguments passed
Filename: controllers/admin.php
Line Number: 250

Below is my loop function. How can I sort by value ascending?

foreach ($bars as $bar){

                $explode = explode(',',$bar->date_id);
                $i = 0;
                $b = array();
                foreach($explode as $bars){
                        $bars = intval($bars);
                        @$b[$i] .= $bars;
                        $i++;
                }

                $date_id = array_unique($b);
                $date_id = sort($date_id);

                echo "<pre>";
                print_r($date_id);
                echo "</pre>";
                $date_id = implode(',',$date_id);
                echo "<pre>";
                print_r($date_id);
                echo "</pre>";
}

No Results Found · Accepted Answer · 2011-09-22 07:27:25Z

3

Among other things that look awry with your code, sort() returns TRUE or FALSE, not the sorted array.

Instead of this:

$date_id = array_unique($b);
$date_id = sort($date_id);

Use this:

$date_id = array_unique($b);
sort($date_id);

answered Sep 22, 2011 at 7:27

No Results Found

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