gpro-enable-when-dynamically-populated.php

gpro-enable-when-dynamically-populated.php

<?php
add_filter( 'gform_pre_render', function ( $form, $ajax, $field_values ) {
    if ( ! session_id() ) {
        session_start();
    }
    if ( ! isset( $_SESSION['gwreadonly_disabled_fields'] ) ) {
        $_SESSION['gwreadonly_disabled_fields'] = array();
    }
    $gwreadonly_disabled_fields = $_SESSION['gwreadonly_disabled_fields'];

    foreach ( $form['fields'] as &$field ) {
        if ( ! $field->gwreadonly_enable ) {
            continue;
        }
        $value = GFFormsModel::get_field_value( $field, $field_values, false );
        if ( is_array( $value ) ) {
            $value = array_filter( $value );
        }
        if ( ! $value ) {
            $value = $field->gppa_hydrated_value;
            if ( is_array( $value ) ) {
                $value = array_filter( $value );
            }
        }
        if ( $value && ! empty( $field->choices ) ) {
            $has_matching_choice = false;
            foreach ( $field->choices as $choice ) {
                if ( $choice['value'] == $value ) {
                    $has_matching_choice = true;
                    break;
                }
            }
        }
        if ( isset( $gwreadonly_disabled_fields[ $field->id ] ) && $gwreadonly_disabled_fields[ $field->id ] ) {
            $field->gwreadonly_enable = false;
            continue;
        }
        if ( ! $value || ( isset( $has_matching_choice ) && ! $has_matching_choice ) ) {
            $field->gwreadonly_enable = false;
            $gwreadonly_disabled_fields[ $field->id ] = true;
        }
    }
    $_SESSION['gwreadonly_disabled_fields'] = $gwreadonly_disabled_fields;
    return $form;
}, 10, 3 );