<?php 
use App\Models\MaterialGroupMap; 


function materialGroupMap($ru1, $ru2)
{

    // Step 1: Get qualified materials
    $qualifiedMaterials = MaterialGroupMap::orWhere("material_name", $ru1)
        ->orWhere("material_name", $ru2)
        ->select("qualified_materials")
        ->first()?->qualified_materials;
    
    if ($qualifiedMaterials === null) {
        $response = [];
    } else {
        $groupArray = explode(",", $qualifiedMaterials);
        $response = $groupArray;
    }

    return $response;
}

 ?>