php代码注入攻击预防

逃脱特殊字符以防止SQL注入。将数据插入数据库时​​使用。 htmlentities：

htmlspecialchars：

directory traversal data tampering

为了有效防止代码注入攻击，请遵循以下准则：

htmlspecialchars provides similar protection as htmlentities but with different character handling.
• strip_tags removes HTML tags, preventing malicious scripts from executing.
addslashes escapes special characters for database queries (though database-specific functions are通常优先）。