Convert multi dimensional array to one dimensional array.

multiArrayToArray.php

function arrayConvertKeyValue($array,$prefix=null)
{

    $tempArray = array();
    $childArray = array();
    foreach($array as $key => $value)
    {
        $key = $prefix.".".$key;
        if(is_array($value))
        {
          $childArray =   arrayConvertKeyValue($value,$key);
        }
        else
        {
            $key = trim($key,".");
          $tempArray[$key] = $value;
        }
        $tempArray =    array_merge($tempArray,$childArray);
    }
    return $tempArray;
}