I got it sorted
Code:
$strModel_100 = "1 in";
$strModel_100_display = "100-";
$strModel_150 = "1.5 in";
$strModel_150_display = "150-";
$strModel_200 = "2 in";
$strModel_200_display = "200-";
$strModel_300 = "3 in";
$strModel_300_display = "300-";
if ($attr_value == $strModel_100){
$this->products[$index]['model'] = $strModel_100_display . $products[$i]['model'] . " " . $attr_value;
}
if ($attr_value == $strModel_150){
$this->products[$index]['model'] = $strModel_150_display . $products[$i]['model'] . " " . $attr_value;
}
if ($attr_value == $strModel_200){
$this->products[$index]['model'] = $strModel_200_display . $products[$i]['model'] . " " . $attr_value;
}
if ($attr_value == $strModel_300){
$this->products[$index]['model'] = $strModel_300_display . $products[$i]['model'] . " " . $attr_value;
}