cleaned up composer

vendor/symfony/http-kernel/HttpCache/Ssi.php

@@ -34,7 +34,7 @@ class Ssi extends AbstractSurrogate
      */
     public function addSurrogateControl(Response $response)
     {
-        if (false !== strpos($response->getContent(), '<!--#include')) {
+        if (str_contains($response->getContent(), '<!--#include')) {
             $response->headers->set('Surrogate-Control', 'content="SSI/1.0"');
         }
     }
@@ -42,7 +42,7 @@ class Ssi extends AbstractSurrogate
     /**
      * {@inheritdoc}
      */
-    public function renderIncludeTag(string $uri, string $alt = null, bool $ignoreErrors = true, string $comment = '')
+    public function renderIncludeTag(string $uri, ?string $alt = null, bool $ignoreErrors = true, string $comment = '')
     {
         return sprintf('<!--#include virtual="%s" -->', $uri);
     }
@@ -64,9 +64,8 @@ class Ssi extends AbstractSurrogate
 
         // we don't use a proper XML parser here as we can have SSI tags in a plain text response
         $content = $response->getContent();
-
+        $boundary = self::generateBodyEvalBoundary();
         $chunks = preg_split('#<!--\#include\s+(.*?)\s*-->#', $content, -1, \PREG_SPLIT_DELIM_CAPTURE);
-        $chunks[0] = str_replace($this->phpEscapeMap[0], $this->phpEscapeMap[1], $chunks[0]);
 
         $i = 1;
         while (isset($chunks[$i])) {
@@ -80,14 +79,10 @@ class Ssi extends AbstractSurrogate
                 throw new \RuntimeException('Unable to process an SSI tag without a "virtual" attribute.');
             }
 
-            $chunks[$i] = sprintf('<?php echo $this->surrogate->handle($this, %s, \'\', false) ?>'."\n",
-                var_export($options['virtual'], true)
-            );
-            ++$i;
-            $chunks[$i] = str_replace($this->phpEscapeMap[0], $this->phpEscapeMap[1], $chunks[$i]);
-            ++$i;
+            $chunks[$i] = $boundary.$options['virtual']."\n\n\n";
+            $i += 2;
         }
-        $content = implode('', $chunks);
+        $content = $boundary.implode('', $chunks).$boundary;
 
         $response->setContent($content);
         $response->headers->set('X-Body-Eval', 'SSI');