filter_var 函数（）绕过执行命令- -Zad- - 博客园
PHP Filters are used to sanitize data coming from outside world inside your application.
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Filtrando e validando dados no PHP com filter_var() - PHPit
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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
How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium
php - filter_var and validating integer values - Stack Overflow
How To Filter Variable in PHP - filter_var() Function - Tech Fry
Typing `filter_var(FILTER_VALIDATE_INT)` when specified `min_range` and/or `max_range` · Issue #7494 · phpstan/phpstan · GitHub
php - Does chaining filter_input() and filter_var() cause the problem? - Stack Overflow
filter_var/filter_var.php at master · javazac/filter_var · GitHub
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What is PHP Filter | How to Use PHP Filter | PHP Filter List
GitHub - Xib3rR4dAr/filter-var-sqli: Bypassing FILTER_SANITIZE_EMAIL & FILTER_VALIDATE_EMAIL filters in filter_var for SQL Injection ( xD )
PHP filter_var - YouTube
