Various fixes and removed deprecations

src/Iconv/Iconv.php

@@ -451,7 +451,7 @@ public static function strlen1($s, $encoding = null)
             return false;
         }
 
-        return \strlen(utf8_decode($s));
+        return \strlen(self::utf8Decode($s));
     }
 
     public static function strlen2($s, $encoding = null)
@@ -741,4 +741,34 @@ private static function getData($file)
 
         return false;
     }
+
+    private static function utf8Decode($s)
+    {
+        $s = (string) $s;
+        $len = \strlen($s);
+
+        for ($i = 0, $j = 0; $i < $len; ++$i, ++$j) {
+            switch ($s[$i] & "\xF0") {
+                case "\xC0":
+                case "\xD0":
+                    $c = (\ord($s[$i] & "\x1F") << 6) | \ord($s[++$i] & "\x3F");
+                    $s[$j] = $c < 256 ? \chr($c) : '?';
+                    break;
+
+                case "\xF0":
+                    ++$i;
+                // no break
+
+                case "\xE0":
+                    $s[$j] = '?';
+                    $i += 2;
+                    break;
+
+                default:
+                    $s[$j] = $s[$i];
+            }
+        }
+
+        return substr($s, 0, $j);
+    }
 }

src/Intl/Idn/bootstrap80.php

@@ -118,8 +118,8 @@
 }
 
 if (!function_exists('idn_to_ascii')) {
-    function idn_to_ascii(?string $domain, ?int $flags = IDNA_DEFAULT, ?int $variant = INTL_IDNA_VARIANT_UTS46, &$idna_info = null): string|false { return p\Idn::idn_to_ascii((string) $domain, (int) $flags, (int) $variant, $idna_info); }
+    function idn_to_ascii(string $domain, int $flags = IDNA_DEFAULT, int $variant = INTL_IDNA_VARIANT_UTS46, &$idna_info = null): string|false { return p\Idn::idn_to_ascii($domain, $flags, $variant, $idna_info); }
 }
 if (!function_exists('idn_to_utf8')) {
-    function idn_to_utf8(?string $domain, ?int $flags = IDNA_DEFAULT, ?int $variant = INTL_IDNA_VARIANT_UTS46, &$idna_info = null): string|false { return p\Idn::idn_to_utf8((string) $domain, (int) $flags, (int) $variant, $idna_info); }
+    function idn_to_utf8(string $domain, int $flags = IDNA_DEFAULT, int $variant = INTL_IDNA_VARIANT_UTS46, &$idna_info = null): string|false { return p\Idn::idn_to_utf8($domain, $flags, $variant, $idna_info); }
 }

src/Util/TestListenerTrait.php

@@ -131,7 +131,6 @@ function {$f['name']}{$f['signature']}
 
                     $map = [
                         '?' => '',
-                        'IDNA_DEFAULT' => \PHP_VERSION_ID >= 80100 ? 'IDNA_DEFAULT' : '0',
                         'array|string|null $string' => 'array|string $string',
                         'array|string|null $from_encoding = null' => 'array|string|null $from_encoding = null',
                         'array|string|null $from_encoding' => 'array|string $from_encoding',

tests/Iconv/IconvTest.php

@@ -29,7 +29,7 @@ public function testIconv()
         $this->assertFalse(@iconv('UTF-8', 'ISO-8859-1', 'nœud'));
         $this->assertSame('nud', iconv('UTF-8', 'ISO-8859-1//IGNORE', 'nœud'));
 
-        $this->assertSame(utf8_decode('déjà'), iconv('CP1252', 'ISO-8859-1', utf8_decode('déjà')));
+        $this->assertSame(mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8'), iconv('CP1252', 'ISO-8859-1', mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8')));
         $this->assertSame('deja noeud', p::iconv('UTF-8//ignore//IGNORE', 'US-ASCII//TRANSLIT//IGNORE//translit', 'déjà nœud'));
 
         $this->assertSame('4', iconv('UTF-8', 'UTF-8', 4));

tests/Mbstring/MbstringTest.php

@@ -68,13 +68,21 @@ public function testInternalEncodingWithInvalidEncoding()
      */
     public function testConvertEncoding()
     {
-        $this->assertSame(utf8_decode('déjà'), mb_convert_encoding('déjà', 'Windows-1252'));
+        $this->assertSame(mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8'), mb_convert_encoding('déjà', 'Windows-1252'));
+        $this->assertSame('déjà', mb_convert_encoding(mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8'), 'Utf-8', 'ASCII,ISO-2022-JP,UTF-8,ISO-8859-1'));
+        $this->assertSame('déjà', mb_convert_encoding(mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8'), 'Utf-8', ['ASCII', 'ISO-2022-JP', 'UTF-8', 'ISO-8859-1']));
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testConvertLegacyEncoding()
+    {
+        // handling base64 and html entities with mb_convert_encoding is deprecated in PHP 8.2
         $this->assertSame(base64_encode('déjà'), mb_convert_encoding('déjà', 'Base64'));
         $this->assertSame('&#23455;<&>d&eacute;j&agrave;', mb_convert_encoding('実<&>déjà', 'Html-entities'));
         $this->assertSame('déjà', mb_convert_encoding(base64_encode('déjà'), 'Utf-8', 'Base64'));
         $this->assertSame('déjà', mb_convert_encoding('d&eacute;j&#224;', 'Utf-8', 'Html-entities'));
-        $this->assertSame('déjà', mb_convert_encoding(utf8_decode('déjà'), 'Utf-8', 'ASCII,ISO-2022-JP,UTF-8,ISO-8859-1'));
-        $this->assertSame('déjà', mb_convert_encoding(utf8_decode('déjà'), 'Utf-8', ['ASCII', 'ISO-2022-JP', 'UTF-8', 'ISO-8859-1']));
     }
 
     /**
@@ -567,7 +575,7 @@ public function testStrwidth()
     {
         $this->assertSame(3, mb_strwidth("\000実", 'UTF-8'));
         $this->assertSame(4, mb_strwidth('déjà', 'UTF-8'));
-        $this->assertSame(4, mb_strwidth(utf8_decode('déjà'), 'CP1252'));
+        $this->assertSame(4, mb_strwidth(mb_convert_encoding('déjà', 'ISO-8859-1', 'UTF-8'), 'CP1252'));
     }
 
     /**

tests/Php81/Php81Test.php

@@ -34,6 +34,7 @@ public function testArrayIsList()
 
     /**
      * @requires extension mysqli
+     * @requires PHP < 8.4
      */
     public function testMysqliRefreshReplicaDefined()
     {