fix: Prevent duplicate creation of print_exception function

Signed-off-by: Louis Chemineau <louis@chmn.me>

[skip ci]

core/templates/exception.php

@@ -4,20 +4,7 @@
 
 style('core', ['styles', 'header']);
 
-function print_exception(Throwable $e, \OCP\IL10N $l): void {
-	print_unescaped('<pre>');
-	p($e->getTraceAsString());
-	print_unescaped('</pre>');
-
-	if ($e->getPrevious() !== null) {
-		print_unescaped('<br />');
-		print_unescaped('<h4>');
-		p($l->t('Previous'));
-		print_unescaped('</h4>');
-
-		print_exception($e->getPrevious(), $l);
-	}
-}
+require_once __DIR__ . '/print_exception.php';
 
 ?>
 <div class="guest-box wide">

core/templates/print_exception.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2012-2015 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+function print_exception(Throwable $e, \OCP\IL10N $l): void {
+	print_unescaped('<pre>');
+	p($e->getTraceAsString());
+	print_unescaped('</pre>');
+
+	if ($e->getPrevious() !== null) {
+		print_unescaped('<br />');
+		print_unescaped('<h4>');
+		p($l->t('Previous'));
+		print_unescaped('</h4>');
+
+		print_exception($e->getPrevious(), $l);
+	}
+}

core/templates/print_xml_exception.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2012-2015 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+function print_exception(Throwable $e, \OCP\IL10N $l): void {
+	p($e->getTraceAsString());
+
+	if ($e->getPrevious() !== null) {
+		print_unescaped('<s:previous-exception>');
+		print_exception($e->getPrevious(), $l);
+		print_unescaped('</s:previous-exception>');
+	}
+}

core/templates/xml_exception.php

@@ -5,15 +5,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-function print_exception(Throwable $e, \OCP\IL10N $l): void {
-	p($e->getTraceAsString());
-
-	if ($e->getPrevious() !== null) {
-		print_unescaped('<s:previous-exception>');
-		print_exception($e->getPrevious(), $l);
-		print_unescaped('</s:previous-exception>');
-	}
-}
+require_once __DIR__ . '/print_xml_exception.php';
 
 print_unescaped('<?xml version="1.0" encoding="utf-8"?>' . "\n");
 ?>