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I'f I do a var_dump after taking in the array from the foreach statement then all of the variables are present. However, by the time the variables go through the switch statement and we run the first case it only prints out the URL for most of the results and URL_title for others. foreach ($js -> results as $item) { $Faroo[$o] = array ('url'=>$item->url, 'url_title'=>$item->title, 'snippet' =>$item->kwic, 'rank' => 100-$o, 'engine' => 'Faroo'); //var_dump($Faroo[$o]); $o++; } $s=$s+10; $e=$e+10; } } ?> <?php $agg = $_POST['agg']; $full_count=0; switch ($agg) { case 'Aggregated': while ($full_count<=$bing_count) //while m <= bing results m = 0; { $r_set[$full_count] = $bing_results[$full_count]; //load bing[m] in to r_set[m] $full_count++; //m = increments for every bing result } $b_count=0; $r_count=0; //reset b_count so we can start again and create r_count so we can loop through the existing unilist while ($b_count<$blekko_count) // 0 < blekko { // We reset postion in while ( $Blekko[$b_count]['url']!=$r_set[$r_count]['url']) { //check that the url is not already in the list $r_count++; //increment z to loop through the full r_set if ($r_count>$full_count) //When r_count counts through the full_count break (after finding all the matches)//should that not be b_count? { break; } } if ( $Blekko[$b_count]['url'] == $r_set[$r_count]['url']) { //if it is in the list then add the score $r_set[$r_count]['rank']+=$Blekko[$b_count]['rank']; $b_count++; //move to next element } else { //if not in the list then add it $full_count++; //y is used to increment on from this point $r_set[$full_count]=$Blekko[$b_count]; $b_count++; //if r_count is not larger then full count and url's do not match then we increment b_count } } $b_count=0; $r_count=0; //reset both counters again while ($b_count<$o) { // We reset postion in while ( $Faroo[$b_count]['url']!=$r_set[$r_count]['url']) { //check that the url is not already in the list $r_count++; if ($r_count>$full_count) { break; } } if ( $Faroo[$b_count]['url'] == $r_set[$r_count]['url']) { //if it is in the list then add the score $r_set['rank'][$r_count]+=$Faroo[$b_count]['rank']; $b_count++; //move to next element } else { //if not in the list then add it $full_count++; //y is used to increment on from this point $r_set[$full_count]= $Faroo[$b_count]; $b_count++; } } echo $full_count; array_multisort($r_set, SORT_ASC, 'rank'); //not sure if this works or not yet $echo_l = 0; while ($echo_l<=$full_count) { echo 'URL: '.$r_set[$echo_l]['url'].'<br>'; echo 'URL TITLE: '.$r_set[$echo_l]['url_title'].'<br>'; echo 'SNIPPET: '.$r_set[echo_l]['snippet'].'<br>'; echo 'RANK: '.$r_set[echo_l]['rank'].'<br>'; echo 'ENGINE: '.$r_set[echo_l]['engine'].'<br>'; var_dump($Blekko[$echo_l]); $echo_l++; }