filter_var() 验证邮箱、ip、url的格式php_十年砍柴---小火苗的博客-CSDN博客
filter_var 函数（）绕过执行命令- -Zad- - 博客园
PHP's filter_var Method - YouTube
Validating User Input With the filter_var() Function
PHP Filters Advanced
PHP Filters are used to sanitize data coming from outside world inside your application.
PHP Filters - filter_var(), filter_list() | jobtensor
GitHub - Xib3rR4dAr/filter-var-sqli: Bypassing FILTER_SANITIZE_EMAIL & FILTER_VALIDATE_EMAIL filters in filter_var for SQL Injection ( xD )
PHP: filter_var - Manual
What is a PHP Filter? | PHP Filter Functions Tutorial - PhpGurukul
How To Filter Variable in PHP - filter_var() Function - Tech Fry
How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium
PHP filter_var | How does the filter_var function work in Php?
PHP filter_var() - WayToLearnX
PHP filter_var - YouTube
Typing `filter_var(FILTER_VALIDATE_INT)` when specified `min_range` and/or `max_range` · Issue #7494 · phpstan/phpstan · GitHub
filter_var函数缺陷(原理+实践)_Le叶a子f的博客-CSDN博客_filter_var
filter_var関数を使ってIPアドレスかどうかをチェックする - Qiita
