Coding Standards: Cast base_convert() to an integer before arithmetic operations.

Follow-up to [35477], [53104], [56101].

Props justlevine.
See #64238.

git-svn-id: https://develop.svn.wordpress.org/trunk@61247 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-admin/includes/plugin.php

@@ -1427,7 +1427,7 @@ function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $call
 	if ( null === $position || ! is_numeric( $position ) ) {
 		$menu[] = $new_menu;
 	} elseif ( isset( $menu[ (string) $position ] ) ) {
-		$collision_avoider = base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001;
+		$collision_avoider = (int) base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001;
 		$position          = (string) ( $position + $collision_avoider );
 		$menu[ $position ] = $new_menu;
 	} else {

src/wp-includes/class-wp-duotone.php

@@ -246,7 +246,7 @@ private static function colord_parse_hex( $hex ) {
 				'r' => (int) base_convert( $hex[0] . $hex[0], 16, 10 ),
 				'g' => (int) base_convert( $hex[1] . $hex[1], 16, 10 ),
 				'b' => (int) base_convert( $hex[2] . $hex[2], 16, 10 ),
-				'a' => 4 === strlen( $hex ) ? round( base_convert( $hex[3] . $hex[3], 16, 10 ) / 255, 2 ) : 1,
+				'a' => 4 === strlen( $hex ) ? round( (int) base_convert( $hex[3] . $hex[3], 16, 10 ) / 255, 2 ) : 1,
 			);
 		}