fix syntax highlighter

lib/frontend.php

@@ -402,29 +402,24 @@ class frontend{
 		
 		$text =
 			trim(
-				preg_replace(
+				str_replace(
-					'/<\/span>$/',
+					[
-					"", // remove stray ending span because of the <?php stuff
+						"<br />",
-					str_replace(
+						"&nbsp;",
-						[
+						"<pre>",
-							'<br />',
+						"</pre>"
-							'&nbsp;'
+					],
-						],
+					[
-						[
+						"\n",
-							"\n", // replace <br> with newlines
+						" ",
-							" " // replace html entity to space
+						"",
-						],
+						""
-						str_replace(
+					],
-							[
+					explode(
-								// leading <?php garbage
+						"&lt;?php",
-								"<span style=\"color: c-default\">\n&lt;?php&nbsp;",
+						highlight_string("<?php " . $text, true),
-								"<code>",
+						2
-								"</code>"
+					)[1]
-							],
-							"",
-							highlight_string("<?php " . $text, true)
-						)
-					)
 				)
 			);