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Fix- fixes plugin so it doesn't break stripe #34

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Fix- fixes plugin so it doesn't break stripe #34

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12 changes: 12 additions & 0 deletions gravityforms-multiple-form-instances.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@
* The main plugin class.
*/
class Gravity_Forms_Multiple_Form_Instances {
/**
* array $previous_forms track the previous forms so we know if we need to change the id
*/
protected $previous_forms = [];

/**
* Constructor.
Expand Down Expand Up @@ -43,6 +47,12 @@ public function gform_get_form_filter( $form_string, $form ) {
// if form has been submitted, use the submitted ID, otherwise generate a new unique ID
if ( isset( $_POST['gform_random_id'] ) ) {
$random_id = absint( $_POST['gform_random_id'] ); // Input var okay.
} elseif ( !in_array($form['id'], $this->previous_forms) ) {
// if this is the first time we are seeing this form id then don't change the id
// this allows for add-ons like Stripe to still work since their JS depends on
// the form id.
$random_id = $form['id'];
array_push($this->previous_forms, $form['id']);
} else {
$random_id = mt_rand();
}
Expand Down Expand Up @@ -95,6 +105,8 @@ public function gform_get_form_filter( $form_string, $form ) {
'GFCalc(' . $form['id'] . ',' => 'GFCalc(' . $random_id . ',',
'gf_global["number_formats"][' . $form['id'] . ']' => 'gf_global["number_formats"][' . $random_id . ']',
'gform_next_button_' . $form['id'] . '_' => 'gform_next_button_' . $random_id . '_',
'gform_source_page_number_' . $form['id'] => 'gform_source_page_number_' . $random_id,
'gform_target_page_number_' . $form['id'] => 'gform_target_page_number_' . $random_id,
$hidden_field => "<input type='hidden' name='gform_random_id' value='" . $random_id . "' />" . $hidden_field,
);

Expand Down