[11.x] Add replaceable tags to translations

src/Illuminate/Translation/Translator.php

@@ -262,6 +262,16 @@ protected function makeReplacements($line, array $replace)
         $shouldReplace = [];
 
         foreach ($replace as $key => $value) {
+            if ($value instanceof Closure) {
+                $line = preg_replace_callback(
+                    '/<'.$key.'>(.*?)<\/'.$key.'>/',
+                    fn ($args) => $value($args[1]),
+                    $line
+                );
+
+                continue;
+            }
+
             if (is_object($value) && isset($this->stringableHandlers[get_class($value)])) {
                 $value = call_user_func($this->stringableHandlers[get_class($value)], $value);
             }

tests/Translation/TranslationTranslatorTest.php

@@ -257,6 +257,42 @@ public function testGetJsonReplacesWithStringable()
         );
     }
 
+    public function testTagReplacements()
+    {
+        $t = new Translator($this->getLoader(), 'en');
+
+        $t->getLoader()->shouldReceive('load')->once()->with('en', '*', '*')->andReturn([]);
+        $t->getLoader()->shouldReceive('load')->once()->with('en', 'We have some nice <docs-link>documentation</docs-link>', '*')->andReturn([]);
+
+        $this->assertSame(
+            'We have some nice <a href="https://laravel.com/docs">documentation</a>',
+            $t->get(
+                'We have some nice <docs-link>documentation</docs-link>',
+                [
+                    "docs-link" => fn ($children) => "<a href=\"https://laravel.com/docs\">$children</a>"
+                ]
+            )
+        );
+    }
+
+    public function testTagReplacementsHandleMultipleOfSameTag()
+    {
+        $t = new Translator($this->getLoader(), 'en');
+
+        $t->getLoader()->shouldReceive('load')->once()->with('en', '*', '*')->andReturn([]);
+        $t->getLoader()->shouldReceive('load')->once()->with('en', '<bold-this>bold</bold-this> something else <bold-this>also bold</bold-this>', '*')->andReturn([]);
+
+        $this->assertSame(
+            '<b>bold</b> something else <b>also bold</b>',
+            $t->get(
+                '<bold-this>bold</bold-this> something else <bold-this>also bold</bold-this>',
+                [
+                    "bold-this" => fn ($children) => "<b>$children</b>"
+                ]
+            )
+        );
+    }
+
     public function testDetermineLocalesUsingMethod()
     {
         $t = new Translator($this->getLoader(), 'en');