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File: vendor/paragonie/random_compat/lib/cast_to_int.php

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File: vendor/paragonie/random_compat/lib/cast_to_int.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP Pokemon Script
Provides an API to manage a database of Pokemons
Author: By
Last change:
Date: 1 year ago
Size: 2,589 bytes
 

 

Contents

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<?php
/**
 * 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
 *
 * 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 boolean $fail_open Set to true to not throw an exception
     *
     * @return float|int
     *
     * @throws TypeError
     */
   
function RandomCompat_intval($number, $fail_open = false)
    {
        if (
is_int($number) || is_float($number)) {
           
$number += 0;
        } elseif (
is_numeric($number)) {
           
$number += 0;
        }

        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;
    }
}