Fix deprecations on PHP 8.2

Author: nicolas-grekas

Dumper/HtmlDumper.php

@@ -978,7 +978,7 @@ protected function dumpLine($depth, $endOfValue = false)
         }
         $this->lastDepth = $depth;
 
-        $this->line = mb_convert_encoding($this->line, 'HTML-ENTITIES', 'UTF-8');
+        $this->line = mb_encode_numericentity($this->line, [0x80, 0xFFFF, 0, 0xFFFF], 'UTF-8');
 
         if (-1 === $depth) {
             AbstractDumper::dumpLine(0);

Tests/Caster/ExceptionCasterTest.php

@@ -175,7 +175,7 @@ public function testHtmlDump()
   <span class=sf-dump-meta>trace</span>: {<samp>
     <span class=sf-dump-meta title="%sExceptionCasterTest.php
 Stack level %d."><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%s%eVarDumper</span><span class="sf-dump-ellipsis sf-dump-ellipsis-path">%e</span>Tests%eCaster%eExceptionCasterTest.php</span>:<span class=sf-dump-num>%d</span>
-     &hellip;%d
+     &#8230;%d
   </samp>}
 </samp>}
 </bar>

Tests/Caster/SplCasterTest.php

@@ -166,11 +166,13 @@ public function testCastObjectStorageDumpsInfo()
 
     public function testCastArrayObject()
     {
-        $var = new \ArrayObject([123]);
+        $var = new
+            #[\AllowDynamicProperties]
+            class([123]) extends \ArrayObject {};
         $var->foo = 234;
 
         $expected = <<<EOTXT
-ArrayObject {
+ArrayObject@anonymous {
   +"foo": 234
   -storage: array:1 [
     0 => 123

Tests/Dumper/HtmlDumperTest.php

@@ -66,7 +66,7 @@ public function testGet()
   <span class=sf-dump-key>6</span> => <span class=sf-dump-num>{$intMax}</span>
   "<span class=sf-dump-key>str</span>" => "<span class=sf-dump-str title="5 characters">d&%s;j&%s;<span class="sf-dump-default sf-dump-ns">\\n</span></span>"
   <span class=sf-dump-key>7</span> => b"""
-    <span class=sf-dump-str title="11 binary or non-UTF-8 characters">&eacute;<span class="sf-dump-default">\\x00</span>test<span class="sf-dump-default">\\t</span><span class="sf-dump-default sf-dump-ns">\\n</span></span>
+    <span class=sf-dump-str title="11 binary or non-UTF-8 characters">&#233;<span class="sf-dump-default">\\x00</span>test<span class="sf-dump-default">\\t</span><span class="sf-dump-default sf-dump-ns">\\n</span></span>
     <span class=sf-dump-str title="11 binary or non-UTF-8 characters">ing</span>
     """
   "<span class=sf-dump-key>[]</span>" => []

Tests/Fixtures/dumb-var.php

@@ -3,6 +3,7 @@
 namespace Symfony\Component\VarDumper\Tests\Fixture;
 
 if (!class_exists(\Symfony\Component\VarDumper\Tests\Fixture\DumbFoo::class)) {
+    #[\AllowDynamicProperties]
     class DumbFoo
     {
         public $foo = 'foo';