[SOLVED] Comparing multi arrays

[resting]

Lets say I have this array

 

array[0] => array(['prod_id']=1, ['image'] = 'a.jpg') 
array[1] => array(['prod_id']=1, ['image'] = 'b.jpg') 
array[2] => array(['prod_id']=2, ['image'] = 'c.jpg') 
array[3] => array(['prod_id']=2, ['image'] = 'd.jpg') 
array[4] => array(['prod_id']=3, ['image'] = 'e.jpg') 
array[5] => array(['prod_id']=3, ['image'] = 'f.jpg')

 

how do i compare all of them and extract only the 1st occurrence of the ['image'] value where the ['prod_id'] are the same?

[Psycho]

function returnFirstImage($inputArray)
{
    $outputArray = array();

    foreach($inputArray as $record)
    {
        if(!isset($outputArray[$record['prod_id']])
        {
            $outputArray[$record['prod_id']] = $record['image']
        }
    }

    return $outputArray;
}

[resting]

function returnFirstImage($inputArray)
{
    $outputArray = array();

    foreach($inputArray as $record)
    {
        if(!isset($outputArray[$record['prod_id']])
        {
            $outputArray[$record['prod_id']] = $record['image']
        }
    }

    return $outputArray;
}

 

a bit of typo, but it works great. thanks!