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Gravity Wiz // Merge Tags as Dynamic Population Parameters
<?php
/**
* Merge Tags as Dynamic Population Parameters
* http://gravitywiz.com/dynamic-products-via-post-meta/
* @version 1.3
*/
add_filter( 'gform_pre_render', 'gw_prepopluate_merge_tags' );
function gw_prepopluate_merge_tags( $form ) {
global $gw_filter_names;
$gw_filter_names = array();
foreach( $form['fields'] as &$field ) {
if( ! rgar( $field, 'allowsPrepopulate' ) ) {
continue;
}
// complex fields store inputName in the "name" property of the inputs array
if( is_array( rgar( $field, 'inputs' ) ) && $field['type'] != 'checkbox' ) {
foreach( $field->inputs as $input ) {
if( $input['name'] ) {
$gw_filter_names[ $input['name'] ] = GFCommon::replace_variables_prepopulate( $input['name'] );
}
}
} else {
$gw_filter_names[ $field->inputName ] = GFCommon::replace_variables_prepopulate( $field->inputName );
}
}
foreach( $gw_filter_names as $filter_name => $filter_value ) {
if( $filter_value && $filter_name != $filter_value ) {
add_filter( "gform_field_value_{$filter_name}", function( $value, $field, $name ) {
global $gw_filter_names;
$value = $gw_filter_names[ $name ];
/** @var GF_Field $field */
if( $field->get_input_type() == 'list' ) {
remove_all_filters( "gform_field_value_{$name}" );
$value = GFFormsModel::get_parameter_value( $name, array( $name => $value ), $field );
}
return $value;
}, 10, 3 );
}
}
return $form;
}
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