gpfup-update-filename-markup.php: Added new snippet.
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gp-file-upload-pro/gpfup-update-filename-marklup.php (4)
1-12: Possible file naming discrepancy.
The file is named "gpfup-update-filename-marklup.php" whereas references in the docblock say "update the filename markup." If this is unintentional, consider renaming for clarity (e.g., "markup" instead of "marklup").
44-68: Use WordPress-specific JSON helpers for better encoding.
When printing dynamic data in inline JavaScript, it’s safer to usewp_json_encode()rather thanjson_encode()to properly handle special characters and adhere to WordPress best practices.- var fileData = " . json_encode( $file_upload_data ) . "; + var fileData = " . wp_json_encode( $file_upload_data ) . ";
79-121: Add security attributes to links opened in new tabs.
When usingtarget="_blank", includerel="noopener noreferrer"to protect from potential reverse tabnabbing attacks.- return fileUrl ? `<a href="${fileUrl}" target="__blank">${fileName}</a>` : fileName; + return fileUrl ? `<a href="${fileUrl}" target="_blank" rel="noopener noreferrer">${fileName}</a>` : fileName;
123-137: Use WordPress-compatible JSON encoding for init script.
Similar to above, consider replacingjson_encode()withwp_json_encode()when generating inline scripts.- $script = 'new ' . __CLASS__ . '( ' . json_encode( $args ) . ' );'; + $script = 'new ' . __CLASS__ . '( ' . wp_json_encode( $args ) . ' );';
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139-143: No issues found with the applicability check.
The logic properly checks whether the form ID is specified, or if it matches the class configuration.
147-153: Instantiating for a specific form and field.
Providing these IDs directly is valid if you only intend to support a single form or field. If you plan to support multiple forms, consider instantiating the class dynamically or in a loop for each form.
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gpfup-update-filename-marklup.php: Added new snippet.gpfup-update-filename-markup.php: Added new snippet.
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gp-file-upload-pro/gpfup-update-filename-markup.php (3)
24-25: Note on missing version check implementation.
The inline comment indicates a version check for Gravity Forms, but there is no actual check in the code. If Gravity Forms (or the relevant add-ons) is not available or at a certain version, this snippet may produce errors.
86-116: Add security attributes when opening links in new tabs.
Currently, links are opened in a new window withtarget="__blank". For consistency and security, consider usingtarget="_blank"together withrel="noopener noreferrer"to protect against reverse tabnabbing.- return fileUrl ? `<a href="${fileUrl}" target="__blank">${fileName}</a>` : fileName; + return fileUrl ? `<a href="${fileUrl}" target="_blank" rel="noopener noreferrer">${fileName}</a>` : fileName;
123-133: Use wp_json_encode() for safer initialization scripts.
Switching fromjson_encode()towp_json_encode()here improves data escaping and line-break handling to reduce potential security or formatting issues in embedded scripts.- $script = 'new ' . __CLASS__ . '( ' . json_encode( $args ) . ' );'; + $script = 'new ' . __CLASS__ . '( ' . wp_json_encode( $args ) . ' );';
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
109-109: Use the conventional_blanktarget.Using
target="__blank"is non-standard. Update it to_blankfor broader consistency and compatibility.-return fileUrl ? `<a href="${fileUrl}" target="__blank">${fileName}</a>` : fileName; +return fileUrl ? `<a href="${fileUrl}" target="_blank">${fileName}</a>` : fileName;
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gp-file-upload-pro/gpfup-update-filename-markup.php (3)
1-16: Looks good so far!The class declaration and constructor logic are straightforward. Storing
_argswithwp_parse_args()for form ID and field ID is a neat way to keep the snippet configurable without hardcoding.
58-66: Escape data in JavaScript output to prevent potential XSS.The code still uses
json_encode($file_upload_data). Even if the file metadata is trusted, it is best practice to sanitize or escape user-generated data for safe rendering. Consider usingwp_json_encode()with JSON_HEX flags or a similar approach:- var fileData = " . json_encode( $file_upload_data ) . "; + var fileData = " . wp_json_encode( $file_upload_data, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS ) . ";
139-143: Form applicability check looks solid!Your
is_applicable_formlogic is a concise way to apply the snippet conditionally based on form ID. This ensures minimal overhead for unrelated forms.
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59-72:⚠️ Potential issueSecurity vulnerability: Unescaped JSON data in JavaScript output.
The code directly outputs JSON data to JavaScript without proper escaping, which could lead to XSS vulnerabilities if the file data contains malicious content.
- var fileData = " . json_encode( $file_upload_data ) . "; + var fileData = " . wp_json_encode( $file_upload_data, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS ) . ";
138-138: 🛠️ Refactor suggestionImprove security by escaping JSON output in script initialization.
Similar to the earlier issue, JSON is being output without proper escaping.
- $script = 'new ' . __CLASS__ . '( ' . json_encode( $args ) . ' );'; + $script = 'new ' . __CLASS__ . '( ' . wp_json_encode( $args, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS ) . ' );';
🧹 Nitpick comments (3)
gp-file-upload-pro/gpfup-update-filename-markup.php (3)
44-44: Fix method name casing inconsistency.There's a casing inconsistency in the method name reference - 'populate_file_Data' has a capital 'D', but the actual method declaration uses the same inconsistent casing.
- 'populate_file_Data', + 'populate_file_data',
49-58: Method name casing inconsistency in function declaration.The PHPDoc is well structured, but the method name follows an inconsistent casing pattern.
- public function populate_file_Data( $file_upload_data, $form, $field ) { + public function populate_file_data( $file_upload_data, $form, $field ) {
84-126: Well-structured JavaScript implementation with potential security improvement.The JavaScript code is well-structured and adds a useful filter to enhance filename markup with URLs. The code handles various scenarios to find the file URL.
Consider adding some sanitization or validation of the URL before outputting it to the DOM to prevent potential XSS:
- return fileUrl ? `<a href="${fileUrl}" target="__blank">${fileName}</a>` : fileName; + return fileUrl ? `<a href="${fileUrl.replace(/[<>"'&]/g, function(c) { return '&#' + c.charCodeAt(0) + ';'; })}" target="_blank" rel="noopener">${fileName}</a>` : fileName;Also, note the typo in
__blank(should be_blank) and missingrel="noopener"for security.
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gp-file-upload-pro/gpfup-update-filename-markup.php (7)
1-12: Well-documented header with clear purpose and installation instructions.The file header clearly explains the snippet's purpose, where it can be used, and provides links to documentation for installation. This follows good documentation practices.
13-16: LGTM: Clear class definition with private property for arguments.The class is appropriately named to match its functionality, and the private property for arguments follows good OOP practices.
17-31: Constructor correctly handles arguments and checks for dependencies.The constructor follows best practices by:
- Using
wp_parse_args()to merge with defaults- Checking for the existence of required dependency (GFCommon)
- Using the WordPress init hook to ensure Gravity Forms is loaded
33-47: Init method appropriately sets up hooks and filters.The method correctly:
- Extracts needed arguments
- Registers filters for form rendering
- Sets up hooks for form script initialization
- Conditionally adds the action for file population when form_id and field_id are provided
75-82: LGTM: load_form_script method prevents duplicate script output.The method correctly:
- Checks if the current form is applicable
- Uses has_action to prevent adding the action multiple times
- Registers the script for both standard and preview contexts
- Returns the form to maintain the filter chain
128-142: LGTM: add_init_script method correctly registers initialization script.The method:
- Checks if the form is applicable
- Prepares arguments for the script
- Creates a unique slug for the script
- Uses the GFFormDisplay API correctly
144-148: LGTM: is_applicable_form method handles different input formats.The method correctly handles both the form array and form ID integer inputs.
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58-73:⚠️ Potential issueEscape JSON with additional flags for safer JavaScript output.
Althoughwp_json_encode()is used, consider passing the JSON_HEX_* flags (e.g.,JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS) to further reduce the risk of injecting malicious code via$file_upload_data.- var fileData = " . wp_json_encode( $file_upload_data ) . "; + var fileData = " . wp_json_encode( $file_upload_data, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS ) . ";
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gp-file-upload-pro/gpfup-update-filename-markup.php (6)
17-31: Constructor looks good.
No concerns regarding the argument parsing and class loading check for Gravity Forms here.
33-48: Initialization logic is appropriate.
The class correctly defers the version check to the'init'hook, ensuring Gravity Forms is fully loaded first.
75-83: Form script loading is well-structured for multi-step hooking.
Ensuring the script runs only once by checking! has_action( 'wp_footer', ... )is a good best practice.
128-143: Initialization script registration is solid.
The approach of generating a unique slug per form/field combination helps avoid collisions.
152-164: Usage example is clearly documented.
Instantiating the class in this snippet is helpful for demonstration, and the inline comments are concise.
144-149:❓ Verification inconclusive
Confirm that defaulting to all forms is intentional.
Ifform_idis empty, the snippet will apply to every form. Verify that this behavior is desired.
🏁 Script executed:
#!/bin/bash # Description: This script checks how often the snippet runs on forms other than the specified form ID. rg -A 5 $'GFFormDisplay::add_form\(' echo "Manually verify whether the snippet is instantiated for multiple forms without specifying form_id."Length of output: 244
Action Required: Confirm Default All-Forms Behavior
The code ingp-file-upload-pro/gpfup-update-filename-markup.php(lines 144-149) defaults to applying the functionality to all forms when theform_idparameter is empty. Please verify that this behavior is intentional. If this design decision is deliberate, consider adding a clarifying comment in the code. Otherwise, update the logic as needed to restrict the behavior only to specified forms.
- File:
gp-file-upload-pro/gpfup-update-filename-markup.php- Lines: 144-149
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@malayladu I left a few suggested changes and questions. I'm here or in Slack if you have any questions 🙂
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gp-file-upload-pro/gpfup-update-filename-markup.php (3)
42-42: 🛠️ Refactor suggestionUpdate hook name to match latest GP Easy Passthrough change.
As noted in a previous review comment, there was a small typo in the GP Easy Passthrough hook name.
- add_action( "gpep_post_file_population_{$form_id}_{$field_id}", array( + add_action( "gpeb_post_file_population_{$form_id}_{$field_id}", array(
58-58:⚠️ Potential issueCorrect method name to match its usage.
The method signature should be updated to match how it's called elsewhere in the code.
- public function populate_file_Data( $file_upload_data, $form, $field ) { + public function populate_file_data( $file_upload_data, $form, $field ) {
17-22: 🛠️ Refactor suggestionAdd validation for required parameters.
As suggested in a previous review comment, if
form_idandfield_idare required parameters, you should validate them and throw an exception if they're not provided.public function __construct( $args = array() ) { // Set our default arguments, parse against the provided arguments, and store for use throughout the class. $this->_args = wp_parse_args( $args, array( 'form_id' => false, 'field_id' => false, ) ); + + // If these parameters are required, uncomment the following: + // if ( empty( $this->_args['form_id'] ) || empty( $this->_args['field_id'] ) ) { + // throw new \Exception( 'Both form_id and field_id are required for GPFUP_Update_Filename_Markup.' ); + // }
🧹 Nitpick comments (5)
gp-file-upload-pro/gpfup-update-filename-markup.php (5)
41-46: Consider supporting more flexible application of this functionality.Currently, this hook is only added when both
form_idandfield_idare specified. As noted in a previous review comment, it would be more flexible to allow this functionality to work even without specific form/field IDs.- if ( $form_id && $field_id ) { - add_action( "gpep_post_file_population_{$form_id}_{$field_id}", array( - $this, - 'populate_file_data', - ), 10, 3 ); - } + $args = [ 'gpep_post_file_population' ]; + if ( $form_id ) $args[] = $form_id; + if ( $form_id && $field_id ) $args[] = $field_id; + + add_action( implode( '_', $args ), array( + $this, + 'populate_file_data', + ), 10, 3 );
29-30: Consider usinggform_loadedhook instead of version check.As noted in a previous review comment, the
gform_loadedhook might be more appropriate here as it ensures that Gravity Forms is fully loaded before your code executes.- // Do version check in the init to make sure if GF is going to be loaded, it is already loaded. - add_action( 'init', array( $this, 'init' ) ); + // Use gform_loaded hook to ensure Gravity Forms is fully loaded + add_action( 'gform_loaded', array( $this, 'init' ) );
100-100: Fix whitespace in conditional statement.There's an inconsistent whitespace in the conditional check.
- if ( !fileUrl) { + if (!fileUrl) {
114-114: Fix target attribute value in anchor tag.The target attribute value should be "_blank" instead of "__blank" (with a single underscore).
- return fileUrl ? `<a href="${fileUrl}" target="__blank" rel="noopener noreferrer">${fileName}</a>` : fileName; + return fileUrl ? `<a href="${fileUrl}" target="_blank" rel="noopener noreferrer">${fileName}</a>` : fileName;
152-164: Update example usage comment.The example usage comment should explicitly mention that the instantiation should be removed or commented out in production environments.
/* * Example Usage (for demonstration purposes only): * * - Update 'form_id' and 'field_id' to match your specific requirements. + * - Remove or comment out this instantiation in production to prevent duplicate initialization. */
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PR: gravitywiz/snippet-library#1050
File: gp-file-upload-pro/gpfup-update-filename-markup.php:84-127
Timestamp: 2025-03-19T12:16:10.791Z
Learning: In the GP File Upload Pro plugin, user-generated content like filenames and URLs should be sanitized before being output in HTML to prevent XSS attacks. File URLs should be encoded with encodeURI() and filenames should have special characters replaced with HTML entities.
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
84-115: Ensure proper sanitization of user-generated content.Based on the retrieved learning, it's important to sanitize user-generated content like filenames and URLs before outputting them in HTML to prevent XSS attacks. Though this was addressed in a previous commit, ensuring this sanitization is critical:
The following pattern should be implemented to protect against XSS:
- return fileUrl ? `<a href="${fileUrl}" target="__blank" rel="noopener noreferrer">${fileName}</a>` : fileName; + const sanitizedFileUrl = encodeURI(fileUrl || ''); + const sanitizedFileName = fileName.replace(/[<>&"']/g, (c) => { + const escapes = {'<':'<','>':'>','&':'&','"':'"',"'":'''}; + return escapes[c]; + }); + return fileUrl + ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>` + : sanitizedFileName;
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
29-29: Clarify or remove the version check comment.There's a comment referencing a version check, but no actual version checking logic is implemented. Either remove the comment or implement a genuine version check to maintain clarity.
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
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PR: gravitywiz/snippet-library#1050
File: gp-file-upload-pro/gpfup-update-filename-markup.php:84-127
Timestamp: 2025-03-19T13:19:26.987Z
Learning: In the GP File Upload Pro plugin, user-generated content like filenames and URLs should be sanitized before being output in HTML to prevent XSS attacks. File URLs should be encoded with encodeURI() and filenames should have special characters replaced with HTML entities.
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
114-114: Sanitize file URLs and filenames to prevent XSS attacks.Since filenames and URLs might contain user-generated content, you should encode them to avoid potential malicious injections. Also, replace
target="__blank"with the standard_blank.- return fileUrl ? `<a href="${fileUrl}" target="__blank" rel="noopener noreferrer">${fileName}</a>` : fileName; + const sanitizedUrl = encodeURI(fileUrl || ''); + const sanitizedName = fileName.replace(/[<>&"']/g, c => { + const escapes = { '<': '<', '>': '>', '&': '&', '"': '"', "'": ''' }; + return escapes[c] || c; + }); + return fileUrl + ? `<a href="${sanitizedUrl}" target="_blank" rel="noopener noreferrer">${sanitizedName}</a>` + : sanitizedName;
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17-34: Consider using thegform_loadedhook if necessary.
Currently, the constructor checksclass_exists( 'GFCommon' )and returns early if Gravity Forms is unavailable. If a version check is needed, consider hooking intogform_loadedfor more reliable plugin load ordering. Otherwise, this is acceptable as is.
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PR: gravitywiz/snippet-library#1050
File: gp-file-upload-pro/gpfup-update-filename-markup.php:84-127
Timestamp: 2025-03-26T17:10:38.154Z
Learning: In the GP File Upload Pro plugin, user-generated content like filenames and URLs should be sanitized before being output in HTML to prevent XSS attacks. File URLs should be encoded with encodeURI() and filenames should have special characters replaced with HTML entities.
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gp-file-upload-pro/gpfup-update-filename-markup.php (4)
1-16: No concerns on the opening section.
The file header and class declaration look fine.
68-68: Escape data in JavaScript output to prevent potential XSS.
Use JSON_HEX flags withwp_json_encode()to reduce the risk of script injection.- var fileData = " . wp_json_encode( $file_upload_data ) . "; + var fileData = " . wp_json_encode( $file_upload_data, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT | JSON_HEX_APOS ) . ";
117-117: Sanitize file URL and filename to prevent potential XSS.
Additionally, replacetarget="__blank"with the correct_blank.- return fileUrl ? `<a href="${fileUrl}" target="__blank" rel="noopener noreferrer">${fileName}</a>` : fileName; + const sanitizedFileUrl = encodeURI(fileUrl || ''); + const sanitizedFileName = fileName.replace(/[<>&"']/g, (c) => { + const escapes = {'<':'<','>':'>','&':'&','"':'"',"'":'''}; + return escapes[c]; + }); + return fileUrl + ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>` + : sanitizedFileName;
157-167: Clarify usage example to avoid duplicate instantiation.
Add a note that the example usage is for demonstration and should be removed or commented out in production if not needed./* * Example Usage (for demonstration purposes only): + * - Remove or comment out this instantiation in production to avoid duplicate initialization. * - Update 'form_id' and 'field_id' to match your specific requirements. */ new GPFUP_Update_Filename_Markup(
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@malayladu following up on this comment: https://github.com/gravitywiz/snippet-library/pull/1050/files#r2003176733
I'd like to see this snippet work even if $form_id and $field_id aren't passed. That way, it can optionally be applied to all forms OR all fields on a form.
I checked out the branch and looked around the snippet as well as how the gpeb_post_file_population filter works and I think this should be possible.
So to summarize, I'm suggesting there would be three potential ways to instantiate / configure this:
- no arguments — apply to all forms and fields
$form_idonly — apply to all fields on a form$form_idand$field_id— apply to specific form and field
Please let me know if I missed something and if this is not possible with this snippet.
Sorry for all the back and forth, I know this has been a really lengthy ticket. I really appreciate your perseverance 🙂
Further checking on this, I think you are right. It can be worked with or without Modifying the code according to your feedback. |
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
178-188: Clarify usage instructions for production.The example usage at the bottom of the file might inadvertently re-instantiate the class with hardcoded parameters. Consider adding a comment reminding users to remove or comment out the example to avoid duplicate initializations in real deployments.
178 /* 179 * Example Usage (for demonstration purposes only): 180 * 181 * - Update 'form_id' and 'field_id' to match your specific requirements. 182 * + * - Remove or comment out this block in production to avoid duplicating the class instantiation.
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gp-file-upload-pro/gpfup-update-filename-markup.php (1)
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PR: gravitywiz/snippet-library#1050
File: gp-file-upload-pro/gpfup-update-filename-markup.php:84-127
Timestamp: 2025-04-03T10:06:58.484Z
Learning: In the GP File Upload Pro plugin, user-generated content like filenames and URLs should be sanitized before being output in HTML to prevent XSS attacks. File URLs should be encoded with encodeURI() and filenames should have special characters replaced with HTML entities.
🔇 Additional comments (2)
gp-file-upload-pro/gpfup-update-filename-markup.php (2)
131-135: Great job on sanitizing user-generated content!Using
encodeURIfor the URL and replacing special characters in the filename strongly mitigates potential XSS attacks. This aligns well with the recommended security measures for user-generated content.
172-173: Confirm desired behavior for emptyform_id.
is_applicable_form()treats an emptyform_idin the constructor as applying to all forms. Verify that this is intended. If you wish to scope to only certain forms, ensure_args['form_id']is set accordingly.
| return fileUrl | ||
| ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>` | ||
| + : sanitizedFileName; |
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Fix ternary operator syntax error.
The extra + at line 139 causes a syntax error in JavaScript. Remove the + so that the ternary is valid.
137 return fileUrl
138 ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>`
-139 + : sanitizedFileName;
+139 : sanitizedFileName;📝 Committable suggestion
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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| return fileUrl | |
| ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>` | |
| + : sanitizedFileName; | |
| return fileUrl | |
| ? `<a href="${sanitizedFileUrl}" target="_blank" rel="noopener noreferrer">${sanitizedFileName}</a>` | |
| : sanitizedFileName; |
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Context
⛑️ Ticket(s): https://secure.helpscout.net/conversation/2736841634/72809
💬 Slack: https://gravitywiz.slack.com/archives/C03T0CNL8AV/p1742222792311989
Summary
This snippet will help update the filename markup of uploaded files through GP File Upload PRO.