[ci skip] Remove references to 'PHP5' from comments
diff --git a/system/core/Security.php b/system/core/Security.php
index 181ace2..4b204ad 100755
--- a/system/core/Security.php
+++ b/system/core/Security.php
@@ -439,7 +439,7 @@
/*
* Remove disallowed Javascript in links or img tags
- * We used to do some version comparisons and use of stripos for PHP5,
+ * We used to do some version comparisons and use of stripos(),
* but it is dog slow compared to these simplified non-capturing
* preg_match(), especially if the pattern exists in the string
*