add projet

app/Services/PhoneFormatterService.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Services;
+
+class PhoneFormatterService
+{
+    /**
+     * Normalize a phone number by stripping non-digits and formatting US numbers.
+     */
+    public function formatPhoneNumber(string $phone): string
+    {
+        $digits = preg_replace('/\D+/', '', $phone);
+        if ($digits === null || $digits === '') {
+            return '';
+        }
+
+        if (strlen($digits) === 10) {
+            return sprintf('(%s) %s-%s', substr($digits, 0, 3), substr($digits, 3, 3), substr($digits, 6));
+        }
+
+        return $digits;
+    }
+
+    /**
+     * Determine if a phone string contains any digits.
+     */
+    public function hasDigits(string $phone): bool
+    {
+        return preg_match('/\d/', $phone) === 1;
+    }
+}