I am using this code to return the title of the post on a gravity form field.

add_filter('gform_field_value_page_name', 'page_name_filler');
    function page_name_filler($value){
        return get_the_title() ; 

However, usually the title of the post is too long and it overfills the field. Hence I would only like to retain the first portion of the title before a comma "," if it exists on the title. Usually I will have multiple commas on my titles.

If a comma doesn't exist then the full title should be displayed.


Use strtok():

return strtok( get_the_title(), ',' );

You could also use my function utf8_truncate(). This is a little bit more flexible and it can handle long strings without a comma.

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