Description
The “gform_signature_show_in_all_fields” filter in the Gravity Forms Signature Add-On allows the inclusion of the signature image in the {all_fields} merge tag output to be toggled on/off. The default is true.
Usage
add_filter( 'gform_signature_show_in_all_fields', 'your_function_name', 10, 4 );
Parameters
- $include_signature bool
The current value that indicates whether the signature image should be included. The default is true. - $field Field Object
The Field Object. - $options string
The merge tag modifiers. e.g. “value,nohidden” would be the modifiers for{all_fields:value,nohidden}. - $value
The value of the field currently being processed.
Examples
The example below turns off the inclusion of the signature image in the {all_fields} merge tag.
add_filter( 'gform_signature_show_in_all_fields', '__return_false' );
Placement
This code can be used in the functions.php file of the active theme, a custom functions plugin, a custom add-on, or with a code snippets plugin.
See also the PHP section in this article: Where Do I Put This Code?
Since
This filter was added in version 2.3.
Source Code
This filter is located in GFSignature::merge_tag_filter() in gravityformssignature/class-gf-signature.php.