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