Merge pull request #36 from xefi/feature/format-string

✨ generic format string

src/Extensions/Extension.php

@@ -61,4 +61,21 @@ protected function pickArrayRandomElement(array $array): mixed
 
         return reset($elements);
     }
+
+    protected function formatString(string $string): string
+    {
+        while (($pos = strpos($string, '{a}')) !== false) {
+            $string = substr_replace($string, $this->pickArrayRandomElement(['{d}', '{l}']), $pos, 3);
+        }
+
+        while (($pos = strpos($string, '{d}')) !== false) {
+            $string = substr_replace($string, (string) $this->randomizer->getInt(0, 9), $pos, 3);
+        }
+
+        while (($pos = strpos($string, '{l}')) !== false) {
+            $string = substr_replace($string, $this->randomizer->getBytesFromString(implode(range('A', 'Z')), 1), $pos, 3);
+        }
+
+        return $string;
+    }
 }

src/Extensions/FinancialExtension.php

@@ -25,17 +25,7 @@ public function iban(?string $countryCode = null, ?string $format = null): strin
             $countryCode = $this->randomizer->getBytesFromString(implode(range('A', 'Z')), 2);
         }
 
-        while (($pos = strpos($format, '{a}')) !== false) {
-            $format = substr_replace($format, $this->pickArrayRandomElement(['{d}', '{l}']), $pos, 3);
-        }
-
-        while (($pos = strpos($format, '{d}')) !== false) {
-            $format = substr_replace($format, (string) $this->randomizer->getInt(0, 9), $pos, 3);
-        }
-
-        while (($pos = strpos($format, '{l}')) !== false) {
-            $format = substr_replace($format, $this->randomizer->getBytesFromString(implode(range('A', 'Z')), 1), $pos, 3);
-        }
+        $format = $this->formatString($format);
 
         $checksum = Iban::checksum($countryCode.'00'.$format);