diff --git a/generated/functionsList.php b/generated/functionsList.php
index 26ca7d76..4a4954e9 100644
--- a/generated/functionsList.php
+++ b/generated/functionsList.php
@@ -1027,6 +1027,7 @@
     'uopz_implement',
     'base64_decode',
     'get_headers',
+    'parse_url',
     'settype',
     'xdiff_file_bdiff',
     'xdiff_file_bpatch',
diff --git a/generated/ibmDb2.php b/generated/ibmDb2.php
index c936bdaa..c47dd89a 100644
--- a/generated/ibmDb2.php
+++ b/generated/ibmDb2.php
@@ -35,7 +35,7 @@
  * @return mixed When db2_autocommit receives only the
  * connection parameter, it returns the current state
  * of AUTOCOMMIT for the requested connection as an integer value. A value of
- * 0 indicates that AUTOCOMMIT is off, while a value of 1 indicates that
+ * DB2_AUTOCOMMIT_OFF indicates that AUTOCOMMIT is off, while a value of DB2_AUTOCOMMIT_ON indicates that
  * AUTOCOMMIT is on.
  *
  * When db2_autocommit receives both the
diff --git a/generated/url.php b/generated/url.php
index b0c2b4f4..56c08b55 100644
--- a/generated/url.php
+++ b/generated/url.php
@@ -55,3 +55,90 @@ function get_headers(string $url, int $format = 0, $context = null): array
     }
     return $result;
 }
+
+
+/**
+ * This function parses a URL and returns an associative array containing any
+ * of the various components of the URL that are present.
+ * The values of the array elements are not URL decoded.
+ *
+ * This function is not meant to validate
+ * the given URL, it only breaks it up into the above listed parts. Partial
+ * URLs are also accepted, parse_url tries its best to
+ * parse them correctly.
+ *
+ * @param string $url The URL to parse. Invalid characters are replaced by
+ * _.
+ * @param int $component Specify one of PHP_URL_SCHEME,
+ * PHP_URL_HOST, PHP_URL_PORT,
+ * PHP_URL_USER, PHP_URL_PASS,
+ * PHP_URL_PATH, PHP_URL_QUERY
+ * or PHP_URL_FRAGMENT to retrieve just a specific
+ * URL component as a string (except when
+ * PHP_URL_PORT is given, in which case the return
+ * value will be an integer).
+ * @return mixed On seriously malformed URLs, parse_url.
+ *
+ * If the component parameter is omitted, an
+ * associative array is returned. At least one element will be
+ * present within the array. Potential keys within this array are:
+ *
+ *
+ *
+ * scheme - e.g. http
+ *
+ *
+ *
+ *
+ * host
+ *
+ *
+ *
+ *
+ * port
+ *
+ *
+ *
+ *
+ * user
+ *
+ *
+ *
+ *
+ * pass
+ *
+ *
+ *
+ *
+ * path
+ *
+ *
+ *
+ *
+ * query - after the question mark ?
+ *
+ *
+ *
+ *
+ * fragment - after the hashmark #
+ *
+ *
+ *
+ *
+ * If the component parameter is specified,
+ * parse_url returns a string (or an
+ * integer, in the case of PHP_URL_PORT)
+ * instead of an array. If the requested component doesn't exist
+ * within the given URL, NULL will be returned.
+ * @throws UrlException
+ *
+ */
+function parse_url(string $url, int $component = -1)
+{
+    error_clear_last();
+    $result = \parse_url($url, $component);
+    if ($result === false) {
+        throw UrlException::createFromPhpError();
+    }
+    return $result;
+}
diff --git a/generator/src/DocPage.php b/generator/src/DocPage.php
index 96354836..1c859c52 100644
--- a/generator/src/DocPage.php
+++ b/generator/src/DocPage.php
@@ -56,6 +56,9 @@ public function detectFalsyFunction(): bool
         if (preg_match('/&false;\s+otherwise/m', $file) && !preg_match('/(returns\s+&true;|&true;\s+on\s+success|&true;\s+if)/im', $file)) {
             return true;
         }
+        if (preg_match('/may\s+return\s+&false;/m', $file) && !preg_match('/(returns\s+&true;|&true;\s+on\s+success|&true;\s+if)/im', $file)) {
+            return true;
+        }
         if (preg_match('/&false;\s+if\s+an\s+error\s+occurred/m', $file)) {
             return true;
         }
diff --git a/generator/src/Method.php b/generator/src/Method.php
index 19c40a40..fd216bb5 100644
--- a/generator/src/Method.php
+++ b/generator/src/Method.php
@@ -132,6 +132,7 @@ private function stripReturnFalseText(string $string): string
     {
         $string = \strip_tags($string);
         $string = $this->removeString($string, 'or FALSE on failure');
+        $string = $this->removeString($string, 'may return FALSE');
         $string = $this->removeString($string, 'and FALSE on failure');
         $string = $this->removeString($string, 'on success, or FALSE otherwise');
         $string = $this->removeString($string, 'or FALSE on error');
diff --git a/rector-migrate.yml b/rector-migrate.yml
index fa7f832e..e55e4213 100644
--- a/rector-migrate.yml
+++ b/rector-migrate.yml
@@ -1028,6 +1028,7 @@ services:
       uopz_implement: 'Safe\uopz_implement'
       base64_decode: 'Safe\base64_decode'
       get_headers: 'Safe\get_headers'
+      parse_url: 'Safe\parse_url'
       settype: 'Safe\settype'
       xdiff_file_bdiff: 'Safe\xdiff_file_bdiff'
       xdiff_file_bpatch: 'Safe\xdiff_file_bpatch'