From bea1884125fdd9d8ef58afd97f53516b61adaf29 Mon Sep 17 00:00:00 2001
From: Phil Davis <phil.davis@inf.org>
Date: Sun, 12 Mar 2017 13:06:47 +0545
Subject: Fix #7372 Cannot filter ICMP Type SKIP

---
 src/etc/inc/util.inc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/etc/inc/util.inc')

diff --git a/src/etc/inc/util.inc b/src/etc/inc/util.inc
index 604c557..cdf67b9 100644
--- a/src/etc/inc/util.inc
+++ b/src/etc/inc/util.inc
@@ -2368,6 +2368,23 @@ function explode_assoc($delimiter, $string) {
 	return $result;
 }
 
+/*
+ * Given a string of text with some delimiter, look for occurrences
+ * of some string and replace all of those.
+ * $text - the text string (e.g. "abc,defg,x123,ipv4,xyz")
+ * $delimiter - the delimiter (e.g. ",")
+ * $element - the element to match (e.g. "defg")
+ * $replacement - the string to replace it with (e.g. "42")
+ * Returns the resulting delimited string (e.g. "abc,42,x123,ipv4,xyz")
+ */
+function replace_element_in_list($text, $delimiter, $element, $replacement) {
+	$textArray = explode($delimiter, $text);
+	while (($entry = array_search($element, $textArray)) !== false) {
+		$textArray[$entry] = $replacement;
+	}
+	return implode(',', $textArray);
+}
+
 /* Try to change a static route, if it doesn't exist, add it */
 function route_add_or_change($args) {
 	global $config;
-- 
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