Index: src/wp-includes/class-http.php
===================================================================
--- src/wp-includes/class-http.php	(revision 49082)
+++ src/wp-includes/class-http.php	(working copy)
@@ -1076,7 +1076,7 @@
 	 * @since 3.7.0
 	 *
 	 * @param string $maybe_ip A suspected IP address.
-	 * @return integer|bool Upon success, '4' or '6' to represent a IPv4 or IPv6 address, false upon failure
+	 * @return int|bool Upon success, '4' or '6' to represent a IPv4 or IPv6 address, false upon failure
 	 */
 	public static function is_ip_address( $maybe_ip ) {
 		if ( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $maybe_ip ) ) {
Index: src/wp-includes/class-json.php
===================================================================
--- src/wp-includes/class-json.php	(revision 49082)
+++ src/wp-includes/class-json.php	(working copy)
@@ -932,7 +932,7 @@
      * @deprecated 5.3.0 Use the PHP native JSON extension instead.
      *
      * @param string
-     * @return integer length
+     * @return int length
      */
     function strlen8( $str ) 
     {
@@ -950,9 +950,9 @@
      * @deprecated 5.3.0 Use the PHP native JSON extension instead.
      *
      * @param string
-     * @param integer start
-     * @param integer length
-     * @return integer length
+     * @param int start
+     * @param int length
+     * @return int length
      */
     function substr8( $string, $start, $length=false ) 
     {
Index: src/wp-includes/Requests/Transport/cURL.php
===================================================================
--- src/wp-includes/Requests/Transport/cURL.php	(revision 49082)
+++ src/wp-includes/Requests/Transport/cURL.php	(working copy)
@@ -432,7 +432,7 @@
 	 *
 	 * @param resource $handle cURL resource
 	 * @param string $headers Header string
-	 * @return integer Length of provided header
+	 * @return int Length of provided header
 	 */
 	public function stream_headers($handle, $headers) {
 		// Why do we do this? cURL will send both the final response and any
@@ -457,7 +457,7 @@
 	 *
 	 * @param resource $handle cURL resource
 	 * @param string $data Body data
-	 * @return integer Length of provided data
+	 * @return int Length of provided data
 	 */
 	public function stream_body($handle, $data) {
 		$this->hooks->dispatch('request.progress', array($data, $this->response_bytes, $this->response_byte_limit));
Index: src/wp-includes/rest-api.php
===================================================================
--- src/wp-includes/rest-api.php	(revision 49082)
+++ src/wp-includes/rest-api.php	(working copy)
@@ -1161,7 +1161,7 @@
  *
  * @since 4.7.0
  *
- * @return integer 401 if the user is not logged in, 403 if the user is logged in.
+ * @return int 401 if the user is not logged in, 403 if the user is logged in.
  */
 function rest_authorization_required_code() {
 	return is_user_logged_in() ? 403 : 401;
Index: src/wp-includes/Text/Diff.php
===================================================================
--- src/wp-includes/Text/Diff.php	(revision 49082)
+++ src/wp-includes/Text/Diff.php	(working copy)
@@ -75,7 +75,7 @@
      *
      * @since Text_Diff 1.1.0
      *
-     * @return integer The number of new lines
+     * @return int The number of new lines
      */
     function countAddedLines()
     {
@@ -94,7 +94,7 @@
      *
      * @since Text_Diff 1.1.0
      *
-     * @return integer The number of deleted lines
+     * @return int The number of deleted lines
      */
     function countDeletedLines()
     {
@@ -156,7 +156,7 @@
      *
      * This is mostly for diagnostic purposes.
      *
-     * @return integer  The length of the LCS.
+     * @return int  The length of the LCS.
      */
     function lcs()
     {
@@ -210,7 +210,7 @@
      * with array_walk().
      *
      * @param string $line  The line to trim.
-     * @param integer $key  The index of the line in the array. Not used.
+     * @param int $key  The index of the line in the array. Not used.
      */
     static function trimNewlines(&$line, $key)
     {