Fix bug when bbcode content is empty

SpeedJack · SpeedJack · commit 87c219003a1b · 2021-04-19T14:30:55.000+02:00
diff --git a/BbCode/Math.php b/BbCode/Math.php
@@ -16,13 +16,17 @@ private static function loadMathjax(\XF\BbCode\Renderer\AbstractRenderer $render
 	public static function renderMathTag($tagChildren, $tagOption, $tag,
 		array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)
 	{
+		if (count($tagChildren) == 0)
+			return '';
 		self::loadMathjax($renderer);
 		return '$$\[' . $tagChildren[0] . '$$\]';
 	}
 
 	public static function renderInlineMathTag($tagChildren, $tagOption, $tag,
 		array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)
 	{
+		if (count($tagChildren) == 0)
+			return '';
 		self::loadMathjax($renderer);
 		return '$$\(' . $tagChildren[0] . '$$\)';
 	}

Original file line number	Diff line number	Diff line change
`@@ -16,13 +16,17 @@ private static function loadMathjax(\XF\BbCode\Renderer\AbstractRenderer $render`
`16`	`16`	`public static function renderMathTag($tagChildren, $tagOption, $tag,`
`17`	`17`	`array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)`
`18`	`18`	`{`
	`19`	`+ if (count($tagChildren) == 0)`
	`20`	`+ return '';`
`19`	`21`	`self::loadMathjax($renderer);`
`20`	`22`	`return '$$\[' . $tagChildren[0] . '$$\]';`
`21`	`23`	`}`
`22`	`24`
`23`	`25`	`public static function renderInlineMathTag($tagChildren, $tagOption, $tag,`
`24`	`26`	`array $options, \XF\BbCode\Renderer\AbstractRenderer $renderer)`
`25`	`27`	`{`
	`28`	`+ if (count($tagChildren) == 0)`
	`29`	`+ return '';`
`26`	`30`	`self::loadMathjax($renderer);`
`27`	`31`	`return '$$\(' . $tagChildren[0] . '$$\)';`
`28`	`32`	`}`