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What’s the best practice for sanitizing user input in WordPress?

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What’s the best practice for sanitizing user input in WordPress?

Asked on Sep 20, 2025

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Sanitizing user input in WordPress is crucial for security and data integrity, ensuring that any data received from users is cleaned and safe for use. WordPress provides several built-in functions to help developers sanitize input effectively.

Example Concept: Use WordPress's built-in functions like sanitize_text_field(), esc_html(), and sanitize_email() to clean user input. These functions strip out harmful code and ensure data is safe before storing it in the database or displaying it on the site.

Additional Comment:

Use "sanitize_text_field()" for general text input to remove unwanted HTML tags.
Apply "esc_html()" when outputting data to prevent HTML injection.
Use "sanitize_email()" specifically for email inputs to ensure valid email format.
Always validate and sanitize data both on input and output for maximum security.

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What’s the best practice for sanitizing user input in WordPress?

Asked on Sep 20, 2025

Answer

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