Improved italian phone numbers (#950)

FakerPHP · Feb 22, 2025 · f7ac507 · f7ac507
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,7 +4,8 @@
 
 - Removed domain `gmail.com.au` from `Provider\en_AU\Internet` (#886)
 - Refreshed ISO currencies (#919)
--
+- Improved italian phone number formats
+
 ## [2024-11-09, v1.24.0](https://github.com/FakerPHP/Faker/compare/v1.23.1..v1.24.0)
 
 - Fix internal deprecations in Doctrine's populator by @gnutix in (#889)

diff --git a/src/Faker/Provider/it_IT/PhoneNumber.php b/src/Faker/Provider/it_IT/PhoneNumber.php
@@ -4,18 +4,35 @@
 
 class PhoneNumber extends \Faker\Provider\PhoneNumber
 {
+    /**
+     * @see https://en.wikipedia.org/wiki/Telephone_numbers_in_Italy
+     */
     protected static $formats = [
-        '+## ### ## ## ####',
-        '+## ## #######',
-        '+## ## ########',
-        '+## ### #######',
-        '+## ### ########',
-        '+## #### #######',
-        '+## #### ########',
-        // According to http://it.wikipedia.org/wiki/Prefisso_telefonico#Elenco_degli_indicativi_in_Italia.2C_a_San_Marino_e_nel_Vaticano
-        '0## ### ####',
-        '+39 0## ### ###',
-        '3## ### ###',
-        '+39 3## ### ###',
+        // Landline numbers
+        '0%# ### ###',
+        '0%# ### ####',
+        '02 #### ###', // Milan
+        '02 #### ####',
+        '06 #### ###', // Rome
+        '06 #### ####',
+
+        // Mobile numbers
+        '3%# ### ####',
+
+        // International formats
+        '+39 0%# ### ###',
+        '+39 0%# ### ####',
+        '+39 02 #### ###',
+        '+39 02 #### ####',
+        '+39 06 #### ###',
+        '+39 06 #### ####',
+        '+39 3%# ### ####',
+    ];
+
+    protected static $e164Formats = [
+        '+390%#######',
+        '+390%########',
+        '+393%#######',
+        '+393%########',
     ];
 }
diff --git a/src/Faker/Provider/it_IT/PhoneNumberTest.php b/src/Faker/Provider/it_IT/PhoneNumberTest.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Faker\Test\Provider\it_IT;
+
+use Faker\Provider\it_IT\PhoneNumber;
+use Faker\Test\TestCase;
+
+final class PhoneNumberTest extends TestCase
+{
+    public function testPhoneNumber(): void
+    {
+        for ($i = 0; $i < 100; ++$i) {
+            $number = $this->faker->phoneNumber();
+            self::assertMatchesRegularExpression('/^(((\+39 )?((3[1-9]\d)|(0[1-9]\d{0,1})) \d{3,4} \d{3,4})|((\+39)?(0|3)[1-9]\d{7,9}))$/', $number);
+        }
+    }
+
+    public function testE164PhoneNumberFormat(): void
+    {
+        for ($i = 0; $i < 10; ++$i) {
+            $number = $this->faker->e164PhoneNumber();
+            self::assertMatchesRegularExpression('/^\+39(0|3)[1-9]\d{7,9}$/', $number);
+        }
+    }
+
+    protected function getProviders(): iterable
+    {
+        yield new PhoneNumber($this->faker);
+    }
+}