Файл: vendor/symfony/html-sanitizer/TextSanitizer/StringSanitizer.php
Строк: 66
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyComponentHtmlSanitizerTextSanitizer;
/**
* @internal
*/
final class StringSanitizer
{
private const REPLACEMENTS = [
// """ is shorter than """
'"' => '"',
// Fix several potential issues in how browsers interpret attribute values
'+' => '+',
'=' => '=',
'@' => '@',
'`' => '`',
// Some DB engines will transform UTF8 full-width characters with
// their classical version if the data is saved in a non-UTF8 field
'＜' => '＜',
'＞' => '＞',
'＋' => '＋',
'＝' => '＝',
'＠' => '＠',
'｀' => '｀',
];
/**
* Applies a transformation to lowercase following W3C HTML Standard.
*
* @see https://w3c.github.io/html-reference/terminology.html#case-insensitive
*/
public static function htmlLower(string $string): string
{
return strtolower($string);
}
/**
* Encodes the HTML entities in the given string for safe injection in a document's DOM.
*/
public static function encodeHtmlEntities(string $string): string
{
return strtr(htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8'), self::REPLACEMENTS);
}
}