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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| <?php | ||
| /** | ||
| * Random_* Compatibility Library | ||
| * for using the new PHP 7 random_* API in PHP 5 projects | ||
| * | ||
| * The MIT License (MIT) | ||
| * | ||
| * 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 | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| if (!is_callable('RandomCompat_strlen')) { | ||
| if ( | ||
| 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 | ||
| * binary rather than UTF-8, ISO-8859-1, etc | ||
| * | ||
| * @param string $binary_string | ||
| * | ||
| * @throws TypeError | ||
| * | ||
| * @return int | ||
| */ | ||
| function RandomCompat_strlen($binary_string) | ||
| { | ||
| if (!is_string($binary_string)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_strlen() expects a string' | ||
| ); | ||
| } | ||
|
|
||
| return (int) mb_strlen($binary_string, '8bit'); | ||
| } | ||
|
|
||
| } else { | ||
| /** | ||
| * strlen() implementation that isn't brittle to mbstring.func_overload | ||
| * | ||
| * This version just used the default strlen() | ||
| * | ||
| * @param string $binary_string | ||
| * | ||
| * @throws TypeError | ||
| * | ||
| * @return int | ||
| */ | ||
| function RandomCompat_strlen($binary_string) | ||
| { | ||
| if (!is_string($binary_string)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_strlen() expects a string' | ||
| ); | ||
| } | ||
| return (int) strlen($binary_string); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if (!is_callable('RandomCompat_substr')) { | ||
|
|
||
| if ( | ||
| defined('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|null $length (optional) | ||
| * | ||
| * @throws TypeError | ||
| * | ||
| * @return string | ||
| */ | ||
| function RandomCompat_substr($binary_string, $start, $length = null) | ||
| { | ||
| if (!is_string($binary_string)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_substr(): First argument should be a string' | ||
| ); | ||
| } | ||
|
|
||
| if (!is_int($start)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_substr(): Second argument should be an integer' | ||
| ); | ||
| } | ||
|
|
||
| if ($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' | ||
| ); | ||
| } | ||
|
|
||
| // Consistency with PHP's behavior | ||
| if ($start === RandomCompat_strlen($binary_string) && $length === 0) { | ||
| return ''; | ||
| } | ||
| if ($start > RandomCompat_strlen($binary_string)) { | ||
| return ''; | ||
| } | ||
|
|
||
| return (string) mb_substr( | ||
| (string) $binary_string, | ||
| (int) $start, | ||
| (int) $length, | ||
| '8bit' | ||
| ); | ||
| } | ||
|
|
||
| } else { | ||
|
|
||
| /** | ||
| * substr() implementation that isn't brittle to mbstring.func_overload | ||
| * | ||
| * This version just uses the default substr() | ||
| * | ||
| * @param string $binary_string | ||
| * @param int $start | ||
| * @param int|null $length (optional) | ||
| * | ||
| * @throws TypeError | ||
| * | ||
| * @return string | ||
| */ | ||
| function RandomCompat_substr($binary_string, $start, $length = null) | ||
| { | ||
| if (!is_string($binary_string)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_substr(): First argument should be a string' | ||
| ); | ||
| } | ||
|
|
||
| if (!is_int($start)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_substr(): Second argument should be an integer' | ||
| ); | ||
| } | ||
|
|
||
| if ($length !== null) { | ||
| if (!is_int($length)) { | ||
| throw new TypeError( | ||
| 'RandomCompat_substr(): Third argument should be an integer, or omitted' | ||
| ); | ||
| } | ||
|
|
||
| return (string) substr( | ||
| (string )$binary_string, | ||
| (int) $start, | ||
| (int) $length | ||
| ); | ||
| } | ||
|
|
||
| return (string) substr( | ||
| (string) $binary_string, | ||
| (int) $start | ||
| ); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| <?php | ||
| /** | ||
| * Random_* Compatibility Library | ||
| * for using the new PHP 7 random_* API in PHP 5 projects | ||
| * | ||
| * The MIT License (MIT) | ||
| * | ||
| * 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 | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| if (!is_callable('RandomCompat_intval')) { | ||
|
|
||
| /** | ||
| * Cast to an integer if we can, safely. | ||
| * | ||
| * If you pass it a float in the range (~PHP_INT_MAX, PHP_INT_MAX) | ||
| * (non-inclusive), it will sanely cast it to an int. If you it's equal to | ||
| * ~PHP_INT_MAX or PHP_INT_MAX, we let it fail as not an integer. Floats | ||
| * lose precision, so the <= and => operators might accidentally let a float | ||
| * through. | ||
| * | ||
| * @param int|float $number The number we want to convert to an int | ||
| * @param bool $fail_open Set to true to not throw an exception | ||
| * | ||
| * @return float|int | ||
| * @psalm-suppress InvalidReturnType | ||
| * | ||
| * @throws TypeError | ||
| */ | ||
| function RandomCompat_intval($number, $fail_open = false) | ||
| { | ||
| if (is_int($number) || is_float($number)) { | ||
| $number += 0; | ||
| } elseif (is_numeric($number)) { | ||
| /** @psalm-suppress InvalidOperand */ | ||
| $number += 0; | ||
| } | ||
| /** @var int|float $number */ | ||
|
|
||
| if ( | ||
| is_float($number) | ||
| && | ||
| $number > ~PHP_INT_MAX | ||
| && | ||
| $number < PHP_INT_MAX | ||
| ) { | ||
| $number = (int) $number; | ||
| } | ||
|
|
||
| if (is_int($number)) { | ||
| return (int) $number; | ||
| } elseif (!$fail_open) { | ||
| throw new TypeError( | ||
| 'Expected an integer.' | ||
| ); | ||
| } | ||
| return $number; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| <?php | ||
| /** | ||
| * Random_* Compatibility Library | ||
| * for using the new PHP 7 random_* API in PHP 5 projects | ||
| * | ||
| * The MIT License (MIT) | ||
| * | ||
| * 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 | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| if (!class_exists('Error', false)) { | ||
| // We can't really avoid making this extend Exception in PHP 5. | ||
| class Error extends Exception | ||
| { | ||
|
|
||
| } | ||
| } | ||
|
|
||
| if (!class_exists('TypeError', false)) { | ||
| if (is_subclass_of('Error', 'Exception')) { | ||
| class TypeError extends Error | ||
| { | ||
|
|
||
| } | ||
| } else { | ||
| class TypeError extends Exception | ||
| { | ||
|
|
||
| } | ||
| } | ||
| } |
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