gw-capitilize-submitted-data.php: Fixed an issue with processing hidden list field.

[saifsultanc]

Context

⛑️ Ticket(s): https://secure.helpscout.net/conversation/2943198385/83618

Summary

https://gravitywiz.com/snippet-library/gw-capitilize-submitted-data/

The snippet above is causing a fatal error if the form is submitted with a conditionally hidden List field.

PHP Fatal error:  Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, null given in ...

Loom (Samuel):
https://www.loom.com/share/f13287a7c9b84a8d9950bc2878fbf567

[coderabbitai]

Walkthrough

A conditional check was added to the data capitalization process to skip empty or unset submitted values in the Gravity Forms processing script. This ensures that empty or hidden fields are not processed for capitalization, while the rest of the logic remains unchanged.

Changes

File	Change Summary
gravity-forms/gw-capitilize-submitted-data.php	Added a check to skip capitalization for empty or unset submitted data

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant GravityFormsScript

    User->>GravityFormsScript: Submit form data (POST)
    GravityFormsScript->>GravityFormsScript: For each input key
    alt Value is empty or not set
        GravityFormsScript-->>GravityFormsScript: Skip capitalization
    else Value present
        GravityFormsScript->>GravityFormsScript: Capitalize value
    end
    GravityFormsScript-->>User: Continue processing form

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Reviewing files that changed from the base of the PR and between 0797abf and 10f3023.

📒 Files selected for processing (1)

• gravity-forms/gw-capitilize-submitted-data.php (1 hunks)

🔇 Additional comments (1)

gravity-forms/gw-capitilize-submitted-data.php (1)

31-34: Excellent fix for the hidden list field fatal error!

This conditional check directly addresses the root cause described in the PR objectives. When a List field is conditionally hidden, $_POST[$input_key] becomes null, which would cause the array_map() function on line 37 to throw a fatal TypeError. By checking empty() and using continue, the code properly skips processing these hidden/empty fields and prevents the fatal error.

The placement is perfect - it occurs after the input key is set up but before the type-specific processing, ensuring hidden fields are handled gracefully.

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