From 809cf7403771d123134139819e6508466a8258d2 Mon Sep 17 00:00:00 2001
From: "Phil E. Taylor" <phil@phil-taylor.com>
Date: Wed, 6 Sep 2023 22:45:09 +0100
Subject: [PATCH] PHP 8.3 highlight_file function output changes

---
 .../Bridge/Twig/Extension/CodeExtension.php   | 26 ++++++++++++++-----
 .../ErrorRenderer/HtmlErrorRenderer.php       | 26 ++++++++++++++-----
 2 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/src/Symfony/Bridge/Twig/Extension/CodeExtension.php b/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
index 3bf8ccd294b41..59845396cfe40 100644
--- a/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
+++ b/src/Symfony/Bridge/Twig/Extension/CodeExtension.php
@@ -123,13 +123,25 @@ public function fileExcerpt(string $file, int $line, int $srcContext = 3): ?stri
             // highlight_file could throw warnings
             // see https://bugs.php.net/25725
             $code = @highlight_file($file, true);
-            // remove main code/span tags
-            $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
-            // split multiline spans
-            $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', function ($m) {
-                return "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>';
-            }, $code);
-            $content = explode('<br />', $code);
+            if (\PHP_VERSION_ID >= 80300) {
+                // remove main pre/code tags
+                $code = preg_replace('#^<pre.*?>\s*<code.*?>(.*)</code>\s*</pre>#s', '\\1', $code);
+                // split multiline code tags
+                $code = preg_replace_callback('#<code ([^>]++)>((?:[^<]*+\\n)++[^<]*+)</code>#', function ($m) {
+                    return "<code $m[1]>".str_replace("\n", "</code>\n<code $m[1]>", $m[2]).'</code>';
+                }, $code);
+                // Convert spaces to html entities to preserve indentation when rendered
+                $code = str_replace(' ', '&nbsp;', $code);
+                $content = explode("\n", $code);
+            } else {
+                // remove main code/span tags
+                $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
+                // split multiline spans
+                $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', function ($m) {
+                    return "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>';
+                }, $code);
+                $content = explode('<br />', $code);
+            }
 
             $lines = [];
             if (0 > $srcContext) {
diff --git a/src/Symfony/Component/ErrorHandler/ErrorRenderer/HtmlErrorRenderer.php b/src/Symfony/Component/ErrorHandler/ErrorRenderer/HtmlErrorRenderer.php
index b8a9aeda61fda..92434b8e94506 100644
--- a/src/Symfony/Component/ErrorHandler/ErrorRenderer/HtmlErrorRenderer.php
+++ b/src/Symfony/Component/ErrorHandler/ErrorRenderer/HtmlErrorRenderer.php
@@ -269,13 +269,25 @@ private function fileExcerpt(string $file, int $line, int $srcContext = 3): stri
             // highlight_file could throw warnings
             // see https://bugs.php.net/25725
             $code = @highlight_file($file, true);
-            // remove main code/span tags
-            $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
-            // split multiline spans
-            $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', function ($m) {
-                return "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>';
-            }, $code);
-            $content = explode('<br />', $code);
+            if (\PHP_VERSION_ID >= 80300) {
+                // remove main pre/code tags
+                $code = preg_replace('#^<pre.*?>\s*<code.*?>(.*)</code>\s*</pre>#s', '\\1', $code);
+                // split multiline code tags
+                $code = preg_replace_callback('#<code ([^>]++)>((?:[^<]*+\\n)++[^<]*+)</code>#', function ($m) {
+                    return "<code $m[1]>".str_replace("\n", "</code>\n<code $m[1]>", $m[2]).'</code>';
+                }, $code);
+                // Convert spaces to html entities to preserve indentation when rendered
+                $code = str_replace(' ', '&nbsp;', $code);
+                $content = explode("\n", $code);
+            } else {
+                // remove main code/span tags
+                $code = preg_replace('#^<code.*?>\s*<span.*?>(.*)</span>\s*</code>#s', '\\1', $code);
+                // split multiline spans
+                $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', function ($m) {
+                    return "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>';
+                }, $code);
+                $content = explode('<br />', $code);
+            }
 
             $lines = [];
             if (0 > $srcContext) {

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