From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Tue, 1 May 2018 12:39:15 +0000 (-0400)
Subject: [advancedcontentfilter] Fix PHP Warning: Invalid argument supplied for foreach
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=ea9ec0dadf4d352b1187eec43d82e7545b336151;p=friendica-addons.git

[advancedcontentfilter] Fix PHP Warning: Invalid argument supplied for foreach
---

diff --git a/advancedcontentfilter/advancedcontentfilter.php b/advancedcontentfilter/advancedcontentfilter.php
index e34d5771..993c8b4c 100644
--- a/advancedcontentfilter/advancedcontentfilter.php
+++ b/advancedcontentfilter/advancedcontentfilter.php
@@ -118,21 +118,23 @@ function advancedcontentfilter_prepare_body_content_filter(App $a, &$hook_data)
 		));
 	}
 
-	foreach($rules as $rule) {
-		try {
-			$serializedParsedExpression = new ExpressionLanguage\SerializedParsedExpression(
-				$rule['expression'],
-				$rule['serialized']
-			);
-
-			$found = (bool) $expressionLanguage->evaluate($serializedParsedExpression, $vars);
-		} catch (Exception $e) {
-			$found = false;
-		}
-
-		if ($found) {
-			$hook_data['filter_reasons'][] = L10n::t('Filtered by rule: %s', $rule['name']);
-			break;
+	if ($rules) {
+		foreach($rules as $rule) {
+			try {
+				$serializedParsedExpression = new ExpressionLanguage\SerializedParsedExpression(
+					$rule['expression'],
+					$rule['serialized']
+				);
+
+				$found = (bool) $expressionLanguage->evaluate($serializedParsedExpression, $vars);
+			} catch (Exception $e) {
+				$found = false;
+			}
+
+			if ($found) {
+				$hook_data['filter_reasons'][] = L10n::t('Filtered by rule: %s', $rule['name']);
+				break;
+			}
 		}
 	}
 }