filter input - PHP filter_input(INPUT_SERVER, 'REQUEST_METHOD') returns null? - Stack Overflow
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PHP filter
php - Sanitize user input if input has html - Stack Overflow
PHP filter_input() - WayToLearnX
filter_input_simple - Qiita
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Sanitise and Validate data, Escape Output
XSS in Limited Input Formats - Brute XSS
Simple input filtering in PHP | by John Morris | Medium
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Change http to https in Azure hosted WordPress Website when option grayed out | Arlan Blogs
How to Create an Email-Based Password Reset Feature For Your Login Script | by John Morris | Hackmamba | Medium
PHP tips - Фильтрация входных данных - функция filter_input() - simple-training.com
QA - filter_input - LCOV - FILTER_NULL_ON_FAILURE by juan-morales · Pull Request #9737 · php/php-src · GitHub
