antaresproject/core

<?php

/**
 * Part of the Antares package.
 *
 * NOTICE OF LICENSE
 *
 * Licensed under the 3-clause BSD License.
 *
 * This source file is subject to the 3-clause BSD License that is
 * bundled with this package in the LICENSE file.
 *
 * @package    Antares Core
 * @version    0.9.0
 * @author     Original Orchestral https://github.com/orchestral
 * @author     Antares Team
 * @license    BSD License (3-clause)
 * @copyright  (c) 2017, Antares
 * @link       http://antaresproject.io
 */
 namespace Antares\Html\Support\Traits;

trait ObfuscateTrait
{
    /**
     * Obfuscate a string to prevent spam-bots from sniffing it.
     *
     * @param  string  $value
     *
     * @return string
     */
    public function obfuscate($value)
    {
        $safe = '';

        foreach (str_split($value) as $letter) {
            if (ord($letter) > 128) {
                return $letter;
            }

                                                switch (rand(1, 3)) {
                case 1:
                    $safe .= '&#'.ord($letter).';';
                    break;
                case 2:
                    $safe .= '&#x'.dechex(ord($letter)).';';
                    break;
                case 3:
                    $safe .= $letter;
            }
        }

        return $safe;
    }
}