Deprecate AbstractRenderer::getIdenticalResult()

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

src/Diff.php

@@ -250,7 +250,8 @@ public function render(AbstractRenderer $renderer): string
 
         // the "no difference" situation may happen frequently
         return $this->oldNewComparison === 0
-            ? $renderer::getIdenticalResult()
+            /** @phan-suppress-next-line PhanDeprecatedFunction */
+            ? $renderer->getResultForIdenticals()
             : $renderer->render();
     }
 

src/Renderer/AbstractRenderer.php

@@ -129,9 +129,20 @@ public function getOptions(): array
         return $this->options;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getResultForIdenticals(): string
+    {
+        /** @phan-suppress-next-line PhanDeprecatedFunction */
+        return static::getIdenticalResult();
+    }
+
     /**
      * Get the renderer result when the old and the new are the same.
      *
+     * @deprecated 6.0.0 use $this->getResultForIdenticals() instead
+     *
      * @return string
      */
     public static function getIdenticalResult(): string

src/Renderer/Html/Inline.php

@@ -27,7 +27,7 @@ public function render(): string
         $changes = $this->getChanges();
 
         if (empty($changes)) {
-            return self::getIdenticalResult();
+            return $this->getResultForIdenticals();
         }
 
         $html = '<table class="diff diff-html diff-inline">';

src/Renderer/Html/SideBySide.php

@@ -27,7 +27,7 @@ public function render(): string
         $changes = $this->getChanges();
 
         if (empty($changes)) {
-            return self::getIdenticalResult();
+            return $this->getResultForIdenticals();
         }
 
         $html = '<table class="diff diff-html diff-side-by-side">';