<?php
/**
* Provides Helper functions for URL handling
*
* @package WooCommerce\PayPalCommerce\Onboarding\Helper
*/
declare(strict_types=1);
namespace WooCommerce\PayPalCommerce\Onboarding\Helper;
/**
* Class OnboardingUrl
*/
class UrlHelper {
/**
* Does a base64 encode of a string safe to be used on a URL
*
* @param string $string The string to be encoded.
* @return string
*/
public static function url_safe_base64_encode( string $string ): string {
//phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
$encoded_string = base64_encode( $string );
$url_safe_string = str_replace( array( '+', '/' ), array( '-', '_' ), $encoded_string );
return rtrim( $url_safe_string, '=' );
}
/**
* Does a base64 decode of a string URL safe string
*
* @param string $url_safe_string The string to be decoded.
* @return false|string
*/
public static function url_safe_base64_decode( string $url_safe_string ) {
$padded_string = str_pad( $url_safe_string, strlen( $url_safe_string ) % 4, '=', STR_PAD_RIGHT );
$encoded_string = str_replace( array( '-', '_' ), array( '+', '/' ), $padded_string );
//phpcs:disable WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode
return base64_decode( $encoded_string );
}
}