Restructuring

solutions/ProjectEuler/033/solve.php

@@ -0,0 +1,24 @@
+<?php
+$sum = [];
+
+for($n = 10; $n <= 99; $n++)
+{
+    for($d=$n+1;$d <= 99; $d++)
+    {
+        foreach([1,2,3,4,5,6,7,8,9] as $digit) 
+        {
+            $ns = (int)str_replace($digit, '', $n);
+            $ds = (int)str_replace($digit, '', $d);
+
+            if($n != $ns && $d != $ds && $d != 0 && $ds != 0) 
+            {
+                if($n/$d == $ns/$ds)
+                {
+                    echo "$n/$d = $ns/$ds\n";
+                    $sum[] = $ns/$ds;
+                }
+            }
+        }
+    }
+}
+echo array_product($sum).PHP_EOL;