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@@ -1,195 +0,0 @@
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-<?php
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-/**
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- * Random_* Compatibility Library
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- * for using the new PHP 7 random_* API in PHP 5 projects
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- *
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- * The MIT License (MIT)
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- *
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- * Copyright (c) 2015 - 2018 Paragon Initiative Enterprises
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- *
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- * Permission is hereby granted, free of charge, to any person obtaining a copy
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- * of this software and associated documentation files (the "Software"), to deal
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- * in the Software without restriction, including without limitation the rights
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- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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- * copies of the Software, and to permit persons to whom the Software is
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- * furnished to do so, subject to the following conditions:
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- *
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- * The above copyright notice and this permission notice shall be included in
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- * all copies or substantial portions of the Software.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
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- */
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-
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-if (!is_callable('RandomCompat_strlen')) {
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- if (
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- defined('MB_OVERLOAD_STRING')
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- &&
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- ((int) ini_get('mbstring.func_overload')) & MB_OVERLOAD_STRING
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- ) {
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- /**
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- * strlen() implementation that isn't brittle to mbstring.func_overload
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- *
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- * This version uses mb_strlen() in '8bit' mode to treat strings as raw
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- * binary rather than UTF-8, ISO-8859-1, etc
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- *
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- * @param string $binary_string
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- *
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- * @throws TypeError
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- *
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- * @return int
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- */
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- function RandomCompat_strlen($binary_string)
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- {
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- if (!is_string($binary_string)) {
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- throw new TypeError(
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- 'RandomCompat_strlen() expects a string'
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- );
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- }
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-
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- return (int) mb_strlen($binary_string, '8bit');
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- }
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-
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- } else {
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- /**
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- * strlen() implementation that isn't brittle to mbstring.func_overload
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- *
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- * This version just used the default strlen()
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- *
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- * @param string $binary_string
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- *
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- * @throws TypeError
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- *
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- * @return int
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- */
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- function RandomCompat_strlen($binary_string)
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- {
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- if (!is_string($binary_string)) {
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- throw new TypeError(
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- 'RandomCompat_strlen() expects a string'
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- );
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- }
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- return (int) strlen($binary_string);
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- }
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- }
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-}
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-
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-if (!is_callable('RandomCompat_substr')) {
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-
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- if (
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- defined('MB_OVERLOAD_STRING')
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- &&
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- ((int) ini_get('mbstring.func_overload')) & MB_OVERLOAD_STRING
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- ) {
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- /**
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- * substr() implementation that isn't brittle to mbstring.func_overload
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- *
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- * This version uses mb_substr() in '8bit' mode to treat strings as raw
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- * binary rather than UTF-8, ISO-8859-1, etc
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- *
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- * @param string $binary_string
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- * @param int $start
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- * @param int|null $length (optional)
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- *
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- * @throws TypeError
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- *
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- * @return string
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- */
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- function RandomCompat_substr($binary_string, $start, $length = null)
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- {
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- if (!is_string($binary_string)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): First argument should be a string'
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- );
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- }
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-
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- if (!is_int($start)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): Second argument should be an integer'
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- );
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- }
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-
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- if ($length === null) {
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- /**
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- * mb_substr($str, 0, NULL, '8bit') returns an empty string on
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- * PHP 5.3, so we have to find the length ourselves.
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- */
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- /** @var int $length */
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- $length = RandomCompat_strlen($binary_string) - $start;
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- } elseif (!is_int($length)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): Third argument should be an integer, or omitted'
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- );
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- }
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-
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- // Consistency with PHP's behavior
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- if ($start === RandomCompat_strlen($binary_string) && $length === 0) {
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- return '';
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- }
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- if ($start > RandomCompat_strlen($binary_string)) {
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- return '';
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- }
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-
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- return (string) mb_substr(
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- (string) $binary_string,
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- (int) $start,
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- (int) $length,
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- '8bit'
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- );
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- }
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-
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- } else {
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-
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- /**
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- * substr() implementation that isn't brittle to mbstring.func_overload
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- *
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- * This version just uses the default substr()
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- *
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- * @param string $binary_string
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- * @param int $start
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- * @param int|null $length (optional)
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- *
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- * @throws TypeError
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- *
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- * @return string
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- */
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- function RandomCompat_substr($binary_string, $start, $length = null)
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- {
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- if (!is_string($binary_string)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): First argument should be a string'
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- );
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- }
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-
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- if (!is_int($start)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): Second argument should be an integer'
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- );
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- }
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-
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- if ($length !== null) {
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- if (!is_int($length)) {
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- throw new TypeError(
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- 'RandomCompat_substr(): Third argument should be an integer, or omitted'
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- );
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- }
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-
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- return (string) substr(
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- (string )$binary_string,
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- (int) $start,
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- (int) $length
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- );
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- }
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-
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- return (string) substr(
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- (string) $binary_string,
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- (int) $start
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- );
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- }
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- }
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-}
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