gwp_sanitize
The gwp_sanitize modifier is a merge tag modifier that allows to display sanitized values.
Usage
The modifier can be used within any Gravity Forms merge tag by appending it with specific attributes that define the sanitization behavior. The basic syntax is as follows:
{field:1:gwp_sanitize type="sanitize_text_field"}
Attributes
- type – Specifies the sanitization method to be applied. Options include
sanitize_text_field,sanitize_title_with_dashes, andtrim.
Supported Sanitization Types
- sanitize_text_field – Utilizes WordPress’s
sanitize_text_field()function to strip all tags and encode special characters from the string. - sanitize_title_with_dashes – Employs
sanitize_title_with_dashes()to sanitize a title or slug, replacing whitespace and a few other characters with dashes. - trim – Simply trims whitespace from the beginning and end of the string using PHP’s
trim()function. - absint – Converts a value to non-negative integer.
Frequently Asked Questions
The :gwp_sanitize modifier lets you clean up a field’s value by removing tags, extra spaces, or unsafe characters before displaying it. It uses WordPress’s built-in sanitization functions like sanitize_text_field, trim, and others to make your output safer and more readable.{Raw Input:1:gwp_sanitize}
You can pass a type attribute inside the merge tag to choose how the text should be cleaned. Available options include sanitize_text_field (default), sanitize_title_with_dashes, trim, absint, and wp_strip_all_tags.{Raw Input:1:gwp_sanitize type="sanitize_title_with_dashes"}
Both remove HTML, but in different ways. sanitize_text_field keeps text content and encodes special characters, while wp_strip_all_tags removes all HTML, XML, and PHP tags completely.{Raw Input:1:gwp_sanitize type="wp_strip_all_tags"}
Yes. Use absint to convert a value to a non-negative integer, and sanitize_title_with_dashes to turn a sentence into a URL-safe slug with dashes.{Raw Input:1:gwp_sanitize type="absint"}
Use an HTML field or a confirmation message to show both the original and sanitized values. Try inputting tags or extra spaces, then compare the sanitized output to see the difference in real time.<p>Original: {Raw Input:1}</p><p>Sanitized: {Raw Input:1:gwp_sanitize type="sanitize_title_with_dashes"}</p>
Last updated: 18-07-2025
