comparison vendor/paragonie/random_compat/lib/byte_safe_strings.php @ 16:c2387f117808

Routine composer update

  * Random_* Compatibility Library
  * for using the new PHP 7 random_* API in PHP 5 projects
  *
  * The MIT License (MIT)
  *
- * Copyright (c) 2015 - 2017 Paragon Initiative Enterprises
+ * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  * SOFTWARE.
  */
 
 if (!is_callable('RandomCompat_strlen')) {
     if (
-        defined('MB_OVERLOAD_STRING') &&
-        ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
+        defined('MB_OVERLOAD_STRING')
+            &&
+        ((int) ini_get('mbstring.func_overload')) & MB_OVERLOAD_STRING
     ) {
         /**
          * strlen() implementation that isn't brittle to mbstring.func_overload
          *
          * This version uses mb_strlen() in '8bit' mode to treat strings as raw

 
 if (!is_callable('RandomCompat_substr')) {
 
     if (
         defined('MB_OVERLOAD_STRING')
-        &&
-        ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING
+            &&
+        ((int) ini_get('mbstring.func_overload')) & MB_OVERLOAD_STRING
     ) {
         /**
          * substr() implementation that isn't brittle to mbstring.func_overload
          *
          * This version uses mb_substr() in '8bit' mode to treat strings as raw
          * binary rather than UTF-8, ISO-8859-1, etc
          *
          * @param string $binary_string
          * @param int $start
-         * @param int $length (optional)
+         * @param int|null $length (optional)
          *
          * @throws TypeError
          *
          * @return string
          */

             if ($length === null) {
                 /**
                  * mb_substr($str, 0, NULL, '8bit') returns an empty string on
                  * PHP 5.3, so we have to find the length ourselves.
                  */
+                /** @var int $length */
                 $length = RandomCompat_strlen($binary_string) - $start;
             } elseif (!is_int($length)) {
                 throw new TypeError(
                     'RandomCompat_substr(): Third argument should be an integer, or omitted'
                 );

             }
             if ($start > RandomCompat_strlen($binary_string)) {
                 return '';
             }
 
-            return (string) mb_substr($binary_string, $start, $length, '8bit');
+            return (string) mb_substr(
+                (string) $binary_string,
+                (int) $start,
+                (int) $length,
+                '8bit'
+            );
         }
 
     } else {
 
         /**

          *
          * This version just uses the default substr()
          *
          * @param string $binary_string
          * @param int $start
-         * @param int $length (optional)
+         * @param int|null $length (optional)
          *
          * @throws TypeError
          *
          * @return string
          */

                     throw new TypeError(
                         'RandomCompat_substr(): Third argument should be an integer, or omitted'
                     );
                 }
 
-                return (string) substr($binary_string, $start, $length);
+                return (string) substr(
+                    (string )$binary_string,
+                    (int) $start,
+                    (int) $length
+                );
             }
 
-            return (string) substr($binary_string, $start);
+            return (string) substr(
+                (string) $binary_string,
+                (int) $start
+            );
         }
     }
 }