diff --git a/src/Symfony/Bundle/WebProfilerBundle/Profiler/CodeExtension.php b/src/Symfony/Bundle/WebProfilerBundle/Profiler/CodeExtension.php
index 332a5d6c3725e..2ba78f516933d 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Profiler/CodeExtension.php
+++ b/src/Symfony/Bundle/WebProfilerBundle/Profiler/CodeExtension.php
@@ -119,39 +119,85 @@ public function formatArgsAsText(array $args): string
      */
     public function fileExcerpt(string $file, int $line, int $srcContext = 3): ?string
     {
-        if (is_file($file) && is_readable($file)) {
-            // highlight_file could throw warnings
-            // see https://bugs.php.net/25725
-            $code = @highlight_file($file, true);
-            if (\PHP_VERSION_ID >= 80300) {
-                // remove main pre/code tags
-                $code = preg_replace('#^<pre.*?>\s*<code.*?>(.*)</code>\s*</pre>#s', '\\1', $code);
-                // split multiline span tags
-                $code = preg_replace_callback('#<span ([^>]++)>((?:[^<\\n]*+\\n)++[^<]*+)</span>#', function ($m) {
-                    return "<span $m[1]>".str_replace("\n", "</span>\n<span $m[1]>", $m[2]).'</span>';
-                }, $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
-                $code = preg_replace_callback('#<span ([^>]++)>((?:[^<]*+<br \/>)++[^<]*+)</span>#', fn ($m) => "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>', $code);
-                $content = explode('<br />', $code);
-            }
+        if (!is_file($file) || !is_readable($file)) {
+            return null;
+        }
+
+        $contents = file_get_contents($file);
+
+        if (!str_contains($contents, '<?php') && !str_contains($contents, '<?=')) {
+            $lines = explode("\n", $contents);
 
-            $lines = [];
             if (0 > $srcContext) {
-                $srcContext = \count($content);
+                $srcContext = \count($lines);
             }
 
-            for ($i = max($line - $srcContext, 1), $max = min($line + $srcContext, \count($content)); $i <= $max; ++$i) {
-                $lines[] = '<li'.($i == $line ? ' class="selected"' : '').'><a class="anchor" id="line'.$i.'"></a><code>'.self::fixCodeMarkup($content[$i - 1]).'</code></li>';
-            }
+            return $this->formatFileExcerpt(
+                $this->extractExcerptLines($lines, $line, $srcContext),
+                $line,
+                $srcContext
+            );
+        }
 
-            return '<ol start="'.max($line - $srcContext, 1).'">'.implode("\n", $lines).'</ol>';
+        // highlight_string could throw warnings
+        // see https://bugs.php.net/25725
+        $code = @highlight_string($contents, true);
+
+        if (\PHP_VERSION_ID >= 80300) {
+            // remove main pre/code tags
+            $code = preg_replace('#^<pre.*?>\s*<code.*?>(.*)</code>\s*</pre>#s', '\\1', $code);
+            // split multiline span tags
+            $code = preg_replace_callback(
+                '#<span ([^>]++)>((?:[^<\\n]*+\\n)++[^<]*+)</span>#',
+                static fn (array $m): string => "<span $m[1]>".str_replace("\n", "</span>\n<span $m[1]>", $m[2]).'</span>',
+                $code
+            );
+            $lines = 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>#',
+                static fn (array $m): string => "<span $m[1]>".str_replace('<br />', "</span><br /><span $m[1]>", $m[2]).'</span>',
+                $code
+            );
+            $lines = explode('<br />', $code);
         }
 
-        return null;
+        if (0 > $srcContext) {
+            $srcContext = \count($lines);
+        }
+
+        return $this->formatFileExcerpt(
+            array_map(
+                static fn (string $line): string => self::fixCodeMarkup($line),
+                $this->extractExcerptLines($lines, $line, $srcContext),
+            ),
+            $line,
+            $srcContext
+        );
+    }
+
+    private function extractExcerptLines(array $lines, int $selectedLine, int $srcContext): array
+    {
+        return \array_slice(
+            $lines,
+            max($selectedLine - $srcContext, 0),
+            min($srcContext * 2 + 1, \count($lines) - $selectedLine + $srcContext),
+            true
+        );
+    }
+
+    private function formatFileExcerpt(array $lines, int $selectedLine, int $srcContext): string
+    {
+        $start = max($selectedLine - $srcContext, 1);
+
+        return "<ol start=\"{$start}\">".implode("\n", array_map(
+            static fn (string $line, int $num): string => '<li'.(++$num === $selectedLine ? ' class="selected"' : '')."><a class=\"anchor\" id=\"line{$num}\"></a><code>{$line}</code></li>",
+            $lines,
+            array_keys($lines),
+        )).'</ol>';
     }
 
     /**
@@ -241,7 +287,7 @@ protected static function fixCodeMarkup(string $line): string
         // missing </span> tag at the end of line
         $opening = strpos($line, '<span');
         $closing = strpos($line, '</span>');
-        if (false !== $opening && (false === $closing || $closing > $opening)) {
+        if (false !== $opening && (false === $closing || $closing < $opening)) {
             $line .= '</span>';
         }
 
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.json b/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.json
new file mode 100644
index 0000000000000..56cc557387321
--- /dev/null
+++ b/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.json
@@ -0,0 +1,4 @@
+[
+  "Hello",
+  "World!"
+]
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.php b/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.php
new file mode 100644
index 0000000000000..4d7bf8fdf167e
--- /dev/null
+++ b/src/Symfony/Bundle/WebProfilerBundle/Tests/Fixtures/hello_world.php
@@ -0,0 +1,4 @@
+<?php
+
+echo 'Hello';
+echo 'World!';
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Tests/Profiler/CodeExtensionTest.php b/src/Symfony/Bundle/WebProfilerBundle/Tests/Profiler/CodeExtensionTest.php
index 7cdedfe85ef68..4eb3f836753a2 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Tests/Profiler/CodeExtensionTest.php
+++ b/src/Symfony/Bundle/WebProfilerBundle/Tests/Profiler/CodeExtensionTest.php
@@ -129,6 +129,101 @@ public function testFormatFileIntegration()
         $this->assertEquals($expected, $this->render($template));
     }
 
+    /**
+     * @dataProvider fileExcerptIntegrationProvider
+     */
+    public function testFileExcerptIntegration(string $expected, array $data)
+    {
+        $template = <<<'TWIG'
+{{ file_path|file_excerpt(line, src_context) }}
+TWIG;
+        $html = $this->render($template, $data);
+
+        // highlight_file function output changed sing PHP 8.3
+        // see https://github.com/php/php-src/blob/e2667f17bc24e3cd200bb3eda457f566f1f77f8f/UPGRADING#L239-L242
+        if (\PHP_VERSION_ID < 80300) {
+            $html = str_replace('&nbsp;', ' ', $html);
+        }
+
+        $html = html_entity_decode($html);
+
+        $this->assertEquals($expected, $html);
+    }
+
+    public static function fileExcerptIntegrationProvider()
+    {
+        $fixturesPath = realpath(__DIR__.\DIRECTORY_SEPARATOR.'..'.\DIRECTORY_SEPARATOR.'Fixtures');
+
+        yield 'php file' => [
+            'expected' => <<<'HTML'
+<ol start="1"><li><a class="anchor" id="line1"></a><code><span style="color: #0000BB"><?php</span></code></li>
+<li><a class="anchor" id="line2"></a><code><span style="color: #0000BB"></span></code></li>
+<li><a class="anchor" id="line3"></a><code><span style="color: #0000BB"></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Hello'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line4"></a><code><span style="color: #007700">echo </span><span style="color: #DD0000">'World!'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line5"></a><code><span style="color: #007700"></span></code></li></ol>
+HTML,
+            'data' => [
+                'file_path' => $fixturesPath.\DIRECTORY_SEPARATOR.'hello_world.php',
+                'line' => 0,
+                'src_context' => 3,
+            ],
+        ];
+
+        yield 'php file with selected line and no source context' => [
+            'expected' => <<<'HTML'
+<ol start="1"><li class="selected"><a class="anchor" id="line1"></a><code><span style="color: #0000BB"><?php</span></code></li>
+<li><a class="anchor" id="line2"></a><code><span style="color: #0000BB"></span></code></li>
+<li><a class="anchor" id="line3"></a><code><span style="color: #0000BB"></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Hello'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line4"></a><code><span style="color: #007700">echo </span><span style="color: #DD0000">'World!'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line5"></a><code><span style="color: #007700"></span></code></li></ol>
+HTML,
+            'data' => [
+                'file_path' => $fixturesPath.\DIRECTORY_SEPARATOR.'hello_world.php',
+                'line' => 1,
+                'src_context' => -1,
+            ],
+        ];
+
+        yield 'php file excerpt with selected line and custom source context' => [
+            'expected' => <<<'HTML'
+<ol start="2"><li class="selected"><a class="anchor" id="line3"></a><code><span style="color: #0000BB"></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Hello'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line4"></a><code><span style="color: #007700">echo </span><span style="color: #DD0000">'World!'</span><span style="color: #007700">;</span></code></li>
+<li><a class="anchor" id="line5"></a><code><span style="color: #007700"></span></code></li></ol>
+HTML,
+            'data' => [
+                'file_path' => $fixturesPath.\DIRECTORY_SEPARATOR.'hello_world.php',
+                'line' => 3,
+                'src_context' => 1,
+            ],
+        ];
+
+        yield 'php file excerpt with out of bound selected line' => [
+            'expected' => <<<'HTML'
+<ol start="99"></ol>
+HTML,
+            'data' => [
+                'file_path' => $fixturesPath.\DIRECTORY_SEPARATOR.'hello_world.php',
+                'line' => 100,
+                'src_context' => 1,
+            ],
+        ];
+
+        yield 'json file' => [
+            'expected' => <<<'HTML'
+<ol start="1"><li><a class="anchor" id="line1"></a><code>[</code></li>
+<li><a class="anchor" id="line2"></a><code>  "Hello",</code></li>
+<li><a class="anchor" id="line3"></a><code>  "World!"</code></li>
+<li><a class="anchor" id="line4"></a><code>]</code></li>
+<li><a class="anchor" id="line5"></a><code></code></li></ol>
+HTML,
+            'data' => [
+                'file_path' => $fixturesPath.\DIRECTORY_SEPARATOR.'hello_world.json',
+                'line' => 0,
+                'src_context' => 3,
+            ],
+        ];
+    }
+
     public function testFormatFileFromTextIntegration()
     {
         $template = <<<'TWIG'