Tweak

lib/SitePattern.php

@@ -45,7 +45,7 @@ class SitePattern {
                 } else {
                     $param = "";
                     $depth = 0;
-                    while (true) {
+                    while ($pos < $end) {
                         $len = strcspn($d, "()'\"", $pos);
                         $param .= substr($d, $pos, $len);
                         $pos += $len;
@@ -98,6 +98,7 @@ class SitePattern {
                 case "strip_id_or_class":
                 case "strip_image_src":
                 case "find_string":
+                case "replace_sring":
                     // string values may be enclosed by single or double quotation marks as leading and trailing whitespace is otherwise stripped
                     if ((preg_match('/^"/', $value) && preg_match('/"$/', $value)) || (preg_match("/^'/", $value) && preg_match("/'$/", $value))) {
                         $value = substr($value, 1, strlen($value) - 2);
@@ -113,12 +114,12 @@ class SitePattern {
                         } else {
                             throw new SitePatternException("\"find_string\" directive on line $findStringLine is not followed by a matching \"replace_string\" directive", 3);
                         }
+                    } elseif ($directive === "replace_string") {
+                        # requires special handling to match up with find_string
                     } else {
                         $this->cleanUp[] = [$directive, [$value]];
                     }
                     break;
-                case "replace_sring":
-                    # requires special handling to match up with find_string
                 case "http_header":
                     # string with param
                 case "tidy":