<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
namespace MailPoet\Newsletter\Renderer;
if (!defined('ABSPATH')) exit;
class EscapeHelper {
/**
* @param string $string
* @return string
*/
public static function escapeHtmlText($string) {
return htmlspecialchars((string)$string, ENT_NOQUOTES, 'UTF-8');
}
/**
* @param string $string
* @return string
*/
public static function escapeHtmlAttr($string) {
return htmlspecialchars((string)$string, ENT_QUOTES, 'UTF-8');
}
/**
* Escapes Style attributes, but preserves single quotes. Some email clients
* (e.g. Yahoo webmail) don't support encoded quoted font names.
* Previously used htmlspecialchars but switched to esc_attr which is more appropriate.
* @param string $string
* @return string
*/
public static function escapeHtmlStyleAttr($string) {
return str_replace(''', "'", esc_attr((string)$string));
}
/**
* @param string $string
* @return string
*/
public static function unescapeHtmlStyleAttr($string) {
// This decodes entities which may have been added by esc_attr.
return htmlspecialchars_decode((string)$string, ENT_QUOTES);
}
/**
* @param string $string
* @return string
*/
public static function escapeHtmlLinkAttr($string) {
$string = self::escapeHtmlAttr($string);
if (preg_match('/\s*(javascript:|data:text|data:application)/ui', $string) === 1) {
return '';
}
return $string;
}
}