[8.x] Add htmlString helper method (#40247)

* Add `htmlString` helper method

* rename `htmlString` method to `html`

* test: added test

* fix: Add FQN

* fix: codestyle

* formatting'

Co-authored-by: Taylor Otwell <[email protected]>

Author: Larsklopstra

src/Illuminate/Support/Stringable.php

@@ -821,6 +821,16 @@ public function wordCount()
         return str_word_count($this->value);
     }
 
+    /**
+     * Convert the string into a `HtmlString` instance.
+     *
+     * @return \Illuminate\Support\HtmlString
+     */
+    public function toHtmlString()
+    {
+        return new HtmlString($this->value);
+    }
+
     /**
      * Dump the string.
      *

tests/Support/SupportStringableTest.php

@@ -3,6 +3,7 @@
 namespace Illuminate\Tests\Support;
 
 use Illuminate\Support\Collection;
+use Illuminate\Support\HtmlString;
 use Illuminate\Support\Stringable;
 use PHPUnit\Framework\TestCase;
 
@@ -722,6 +723,14 @@ public function testWordCount()
         $this->assertEquals(10, $this->stringable('Hi, this is my first contribution to the Laravel framework.')->wordCount());
     }
 
+    public function testToHtmlString()
+    {
+        $this->assertEquals(
+            new HtmlString('<h1>Test String</h1>'),
+            $this->stringable('<h1>Test String</h1>')->toHtmlString()
+        );
+    }
+
     public function testStripTags()
     {
         $this->assertSame('beforeafter', (string) $this->stringable('before<br>after')->stripTags());