Description
Filter the calculated word count for the current field.
This filter must be used with its JS counterpart to handle filtering the word count on submission.
Usage
add_filter( 'gpppw_word_count', 'my_custom_function' );Parameters
word_count int
The calculated word count.
words string
The string of words to be counted.
price_field \GF_Field_SingleProduct
The Single Product field that has been configured to charge per word.
word_field \GF_Field
The field for which the number of words will be counted.
form array
The current form object.
Examples
Pay Per Character
Change Pay Per Word’s behavior to charge per character instead of per word. This snippet must be paired with its JS counterpart.
<?php
/**
* Gravity Perks // Pay Per Word // Surprise, Pay Per Character! (PHP)
* https://gravitywiz.com/documentation/gravity-forms-pay-per-word/
*
* This snippet requires the JS counterpart gpppw-pay-per-character.js
*/
add_filter( 'gpppw_word_count', function( $word_count, $words ) {
// Pay per character instead of words.
return mb_strlen( trim( $words ) );
}, 10, 2 );Split Words on Specific Characters
In this example, Pay Per Word splits words on periods, underscores, and asterisks. This snippet must be paired with its JS counterpart.
<?php
/**
* Gravity Perks // Pay Per Word // Split Words on Specific Characters (PHP)
* https://gravitywiz.com/documentation/gravity-forms-pay-per-word/
*
* This snippet requires the JS counterpart gpppw-split-words-on-specific-characters.js
*/
add_filter( 'gpppw_word_count', function( $word_count, $words ) {
// Splits words on periods, underscores and asterisks.
$words = preg_replace( '/[\.\_\*]/', ' ', $words );
return count( array_filter( preg_split( '/[ \n\r]+/', trim( $words ) ) ) );
}, 10, 2 );Since
This filter is available since Gravity Forms Pay Per Word 1.1.4.