What are best practices for sanitizing $_POST data?
Sanitizing $_POST data is crucial for security and data integrity:
- Use Built-in PHP Functions: Functions like
htmlspecialcharsandfilter_varare useful for sanitizing user input. - Validate Data Formats: Ensure that data meets expected formats, such as email addresses or numeric values.
- Strip Dangerous Characters: Remove or escape characters that could be used in XSS or SQL injection attacks.
- Sanitize Data Before Output: Always sanitize data before outputting it to the browser to avoid security issues.
03 Aug 2024 | 9
asked by ~ Megha
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