Viewing file:  security_helper.php (1.15 KB) -rw-r--r--
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<?php
/**
* This file is part of CodeIgniter 4 framework.
*
* (c) CodeIgniter Foundation <admin@codeigniter.com>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
use Config\Services;
// CodeIgniter Security Helpers
if (! function_exists('sanitize_filename')) {
/**
* Sanitize a filename to use in a URI.
*/
function sanitize_filename(string $filename): string
{
return Services::security()->sanitizeFilename($filename);
}
}
if (! function_exists('strip_image_tags')) {
/**
* Strip Image Tags
*/
function strip_image_tags(string $str): string
{
return preg_replace(
[
'#<img[\s/]+.*?src\s*=\s*(["\'])([^\\1]+?)\\1.*?\>#i',
'#<img[\s/]+.*?src\s*=\s*?(([^\s"\'=<>`]+)).*?\>#i',
],
'\\2',
$str
);
}
}
if (! function_exists('encode_php_tags')) {
/**
* Convert PHP tags to entities
*/
function encode_php_tags(string $str): string
{
return str_replace(['<?', '?>'], ['<?', '?>'], $str);
}
}
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