From 15faf01ec960fff88a1f9c83fb6d251319cecea7 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Wed, 10 Mar 2021 11:09:49 +0000
Subject: do not parse bbcode in summary - issue #1532

---
 include/bbcode.php | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

(limited to 'include')

diff --git a/include/bbcode.php b/include/bbcode.php
index a5ef6760b..388a828c4 100644
--- a/include/bbcode.php
+++ b/include/bbcode.php
@@ -151,6 +151,18 @@ function bb_spacefy($st) {
 	return $new_str;
 }
 
+// The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
+// now turns back returning [noparse][i]italic[/i][/noparse]
+function bb_unspacefy($st) {
+	$whole_match = $st[0];
+	$captured = $st[1];
+	$spacefied = preg_replace("/\[ (.*?) \]/", "[$1]", $captured);
+	$new_str = str_replace($captured, $spacefied, $whole_match);
+
+	return $new_str;
+}
+
+
 // The previously spacefied [noparse][ i ]italic[ /i ][/noparse],
 // now turns back and the [noparse] tags are trimmed
 // returning [i]italic[/i]
@@ -1097,6 +1109,9 @@ function bbcode($Text, $options = []) {
 	if (strpos($Text,'[pre]') !== false) {
 		$Text = preg_replace_callback("/\[pre\](.*?)\[\/pre\]/ism", 'bb_spacefy',$Text);
 	}
+	if (strpos($Text,'[summary]') !== false) {
+		$Text = preg_replace_callback("/\[summary\](.*?)\[\/summary\]/ism", 'bb_spacefy',$Text);
+	}
 
 	$Text = bb_format_attachdata($Text);
 
@@ -1438,11 +1453,6 @@ function bbcode($Text, $options = []) {
 		$Text = preg_replace("/\[font=(.*?)\](.*?)\[\/font\]/sm", "<span style=\"font-family: $1;\">$2</span>", $Text);
 	}
 
-
-	if(strpos($Text,'[/summary]') !== false) {
-		$Text = preg_replace_callback("/^(.*?)\[summary\](.*?)\[\/summary\](.*?)$/is", 'bb_summary', $Text);
-	}
-
 	// Check for [spoiler] text
 	$endlessloop = 0;
 	while ((strpos($Text, "[/spoiler]")!== false) and (strpos($Text, "[spoiler]") !== false) and (++$endlessloop < 20)) {
@@ -1611,6 +1621,13 @@ function bbcode($Text, $options = []) {
 
 	}
 
+	if (strpos($Text,'[summary]') !== false) {
+		$Text = preg_replace_callback("/\[summary\](.*?)\[\/summary\]/ism", 'bb_unspacefy',$Text);
+	}
+	if(strpos($Text,'[/summary]') !== false) {
+		$Text = preg_replace_callback("/^(.*?)\[summary\](.*?)\[\/summary\](.*?)$/is", 'bb_summary', $Text);
+	}
+
 	// Unhide all [noparse] contained bbtags unspacefying them
 	// and triming the [noparse] tag.
 	if (strpos($Text,'[noparse]') !== false) {
-- 
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