PHP Color the lowest price in a table -

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i try insert 7 price values table , color lowest price. don't know place $lowestprice. i'm aware it's poor code, worked until try add color. 

for ($i = 1; $i <= 7; $i++){     ${"price".$i} = preg_replace($regexp, $match, ${"rawprice".$i});         if (preg_match('/'.$article.'/i', ${"stock".$i}))         {             $list[$i] =  ${"price".$i};             $lowestprice = min($list);             if (preg_match('/^'.$lowestprice.'/i', ${"price".$i}))             {                 echo ${"url".$i}." class=\"lowestprice\">".${"price".$i}." €</a></td>"; // lowest price in color css             }             else             {                 echo ${"url".$i}." class=\"price\">".${"price".$i}." €</a></td>";             }                            }         else         {             echo "<td>out of stock</td>";         } }

first of all, not use ${"string".$i} type variables. great works, sure, if working on data seems follow array structure, use array. less clutter, less drama, happy.

$rawprice should array containing 7 integers 7 prices in cents. this:

$lowestprice = min( $rawprice );  for( $i = 0; $i <= 6; $i++ ) {   if( instock( $article[$i] ) ) {     $price = str_replace( ".", ",", (string) ($rawprice[$i] / 100 ) );      if( $rawprice[$i] == $lowestprice ) {       $class = "lowestprice";     } else {       $class = "price";     }      echo "<td><a href=\"{$url[$i]}\" class=\"{$class}\">{$price} €</a></td>";   } else {     echo "<td>out of stock</td>";   } }

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