cast_to_int.php in Automatic Updates 7

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vendor/paragonie/random_compat/lib/cast_to_int.php

<?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;
  }
}