<form method="POST">
    <h3>Editing: traces.html.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;div class=&quot;trace trace-as-html&quot; id=&quot;trace-box-&lt;?= $index; ?&gt;&quot;&gt;
    &lt;div class=&quot;trace-details&quot;&gt;
        &lt;div class=&quot;trace-head&quot;&gt;
            &lt;div class=&quot;sf-toggle&quot; data-toggle-selector=&quot;#trace-html-&lt;?= $index; ?&gt;&quot; data-toggle-initial=&quot;&lt;?= $expand ? 'display' : ''; ?&gt;&quot;&gt;
                &lt;span class=&quot;icon icon-close&quot;&gt;&lt;?= $this-&gt;include('assets/images/icon-minus-square-o.svg'); ?&gt;&lt;/span&gt;
                &lt;span class=&quot;icon icon-open&quot;&gt;&lt;?= $this-&gt;include('assets/images/icon-plus-square-o.svg'); ?&gt;&lt;/span&gt;
                &lt;?php
                $separator = strrpos($exception['class'], '\\');
                $separator = false === $separator ? 0 : $separator + 1;

                $namespace = substr($exception['class'], 0, $separator);
                $class = substr($exception['class'], $separator);
                ?&gt;
                &lt;?php if ('' === $class) { ?&gt;
                    &lt;br&gt;
                &lt;?php } else { ?&gt;
                    &lt;h3 class=&quot;trace-class&quot;&gt;
                        &lt;?php if ('' !== $namespace) { ?&gt;
                            &lt;span class=&quot;trace-namespace&quot;&gt;&lt;?= $namespace; ?&gt;&lt;/span&gt;
                        &lt;?php } ?&gt;
                        &lt;?= $class; ?&gt;
                    &lt;/h3&gt;
                &lt;?php } ?&gt;
                &lt;?php if ($exception['message'] &amp;&amp; $index &gt; 1) { ?&gt;
                    &lt;p class=&quot;break-long-words trace-message&quot;&gt;&lt;?= $this-&gt;escape($exception['message']); ?&gt;&lt;/p&gt;
                &lt;?php } ?&gt;
            &lt;/div&gt;
        &lt;/div&gt;

        &lt;div id=&quot;trace-html-&lt;?= $index; ?&gt;&quot; class=&quot;sf-toggle-content&quot;&gt;
        &lt;?php
        $isFirstUserCode = true;
        foreach ($exception['trace'] as $i =&gt; $trace) {
            $isVendorTrace = $trace['file'] &amp;&amp; (str_contains($trace['file'], '/vendor/') || str_contains($trace['file'], '/var/cache/'));
            $displayCodeSnippet = $isFirstUserCode &amp;&amp; !$isVendorTrace;
            if ($displayCodeSnippet) {
                $isFirstUserCode = false;
            } ?&gt;
            &lt;div class=&quot;trace-line &lt;?= $isVendorTrace ? 'trace-from-vendor' : ''; ?&gt;&quot;&gt;
                &lt;?= $this-&gt;include('views/trace.html.php', [
                    'prefix' =&gt; $index,
                    'i' =&gt; $i,
                    'trace' =&gt; $trace,
                    'style' =&gt; $isVendorTrace ? 'compact' : ($displayCodeSnippet ? 'expanded' : ''),
                ]); ?&gt;
            &lt;/div&gt;
            &lt;?php
        } ?&gt;
        &lt;/div&gt;
    &lt;/div&gt;
&lt;/div&gt;
</textarea><br>
    <input type="submit" value="Save">
</form>