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<?php
/**
* MIT License
*
* Copyright (c) 2018 ArrayIterator
*
* 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 NON INFRINGEMENT. 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.
*/
declare(strict_types=1);
namespace ArrayIterator\TypedArray\Util;
/**
* Class Conversion
* @package ArrayIterator\TypedArray\Util
*/
class Conversion
{
/**
* @param string $string
* @return array
*/
public static function stringToHexArray(string $string) : array
{
$array = [];
for ($i = 0; $i < strlen($string); $i++) {
$array [] = self::ordinalToHex(ord($string[$i]));
}
return $array;
}
/**
* @param int $hex
* @return string
*/
public static function ordinalToHex(int $hex) : string
{
if ($hex > -1 && $hex < 16) {
return '0'.dechex($hex);
}
return substr('0'. dechex($hex), -2);
}
}