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form_display.php
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<?php
if ( ! class_exists( 'GFForms' ) ) {
die();
}
class GFFormDisplay {
public static $submission = array();
public static $init_scripts = array();
public static $hooks_js_printed = false;
public static $sidebar_has_widget = false;
public static $submission_initiated_by = '';
public static $processed = array();
const ON_PAGE_RENDER = 1;
const ON_CONDITIONAL_LOGIC = 2;
const SUBMISSION_INITIATED_BY_WEBFORM = 1;
const SUBMISSION_INITIATED_BY_API = 2;
const SUBMISSION_INITIATED_BY_API_VALIDATION = 3;
const SUBMISSION_METHOD_POSTBACK = 'postback';
const SUBMISSION_METHOD_AJAX = 'ajax';
const SUBMISSION_METHOD_IFRAME = 'iframe';
const SUBMISSION_METHOD_CUSTOM = 'custom';
/**
* Starting point for the form submission process. Handles the following tasks: Form validation, save for later logic, entry creation, notification and confirmation.
*
* @since unknown
* @since 2.6.4 Added the $initiated_by param.
*
* @param int $form_id The form ID being submitted.
* @param int $initiated_by What process initiated the form submission. Possible options are self::SUBMISSION_INITIATED_BY_WEBFORM = 1 or self::SUBMISSION_INITIATED_BY_API = 2.
*/
public static function process_form( $form_id, $initiated_by = self::SUBMISSION_INITIATED_BY_API ) {
GFCommon::timer_start( __METHOD__ );
GFCommon::log_debug( "GFFormDisplay::process_form(): Starting to process form (#{$form_id}) submission." );
self::$submission_initiated_by = $initiated_by;
$form = GFAPI::get_form( $form_id );
$gform_pre_process_args = array( 'gform_pre_process', $form_id );
if ( gf_has_filter( $gform_pre_process_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_pre_process.' );
/**
* Filter the form before GF begins to process the submission.
*
* @param array $form The Form Object
*/
$filtered_form = gf_apply_filters( array( 'gform_pre_process', $form['id'] ), $form );
if ( $filtered_form !== null ) {
$form = $filtered_form;
}
GFCommon::log_debug( __METHOD__ . '(): Completed gform_pre_process.' );
}
// Set files that have been uploaded to temp folder
$files = GFFormsModel::set_uploaded_files( $form_id );
//reading form metadata
$form = self::maybe_add_review_page( $form );
if ( ! rgar( $form, 'is_active' ) ) {
GFCommon::log_debug( __METHOD__ . '(): Aborting. Form is inactive.' );
return;
}
if ( rgar( $form, 'is_trash' ) ) {
GFCommon::log_debug( __METHOD__ . '(): Aborting. Form has been trashed.' );
return;
}
if ( GFCommon::form_requires_login( $form ) ) {
if ( ! is_user_logged_in() ) {
GFCommon::log_debug( __METHOD__ . '(): Aborting. User is not logged in.' );
return;
}
// Bypass nonce check for requests coming from the REST API
$is_rest_request = defined( 'REST_REQUEST' ) && REST_REQUEST;
if ( ! $is_rest_request ) {
check_admin_referer( 'gform_submit_' . $form_id, '_gform_submit_nonce_' . $form_id );
}
}
$lead = array();
$field_values = RGForms::post( 'gform_field_values' );
$confirmation_message = '';
$source_page_number = self::get_source_page( $form_id );
$page_number = $source_page_number;
$target_page = self::get_target_page( $form, $page_number, $field_values );
GFCommon::log_debug( "GFFormDisplay::process_form(): Source page number: {$source_page_number}. Target page number: {$target_page}." );
$saving_for_later = rgpost( 'gform_save' ) ? true : false;
$is_valid = true;
$failed_validation_page = $page_number;
//don't validate when going to previous page or saving for later
if ( ! $saving_for_later && ( empty( $target_page ) || $target_page >= $page_number ) ) {
$is_valid = self::validate( $form, $field_values, $page_number, $failed_validation_page );
}
$log_is_valid = $is_valid ? 'Yes' : 'No';
GFCommon::log_debug( __METHOD__ . "(): After validation. Is submission valid? {$log_is_valid}." );
// Upload files to temp folder when going to the next page or when submitting the form and it failed validation
if ( $target_page > $page_number || $target_page == 0 ) {
if ( ! empty( $_FILES ) && ! $saving_for_later ) {
// When saving, ignore files with single file upload fields as they have not been validated.
GFCommon::log_debug( 'GFFormDisplay::process_form(): Uploading files...' );
// Uploading files to temporary folder.
$files = self::upload_files( $form, $files );
RGFormsModel::$uploaded_files[ $form_id ] = $files;
}
}
// Load target page if it did not fail validation or if going to the previous page
if ( ! $saving_for_later && $is_valid ) {
$page_number = $target_page;
} else {
$page_number = $failed_validation_page;
}
$confirmation = '';
if ( ( $is_valid && $page_number == 0 ) || $saving_for_later ) {
// Make sure submit button isn't hidden by conditional logic.
if ( GFFormsModel::is_submit_button_hidden( $form ) && ! $saving_for_later ) {
// Ignore submission.
return;
}
$ajax = isset( $_POST['gform_ajax'] );
/**
* Adds support for aborting submission, displaying the confirmation page/text to the user. This filter is useful for Spam Filters that want to abort submissions that flagged as spam.
*
* @since 2.7
*
* @see https://docs.gravityforms.com/gform_abort_submission_with_confirmation/
*
* @param bool $do_abort The value being filtered. True to abort submission and display the confirmation. False to continue with submission. Defaults to false.
* @param array $form The current form object.
*/
$abort_with_confirmation = gf_apply_filters( array( 'gform_abort_submission_with_confirmation', $form['id'] ), false, $form );
if ( $abort_with_confirmation ) {
GFCommon::log_debug( 'GFFormDisplay::process_form(): Aborting early via gform_abort_submission_with_confirmation filter.' );
// Display confirmation but doesn't process the form. Useful for spam filters.
$confirmation = self::handle_confirmation( $form, $lead, $ajax );
$is_valid = false;
} elseif ( ! $saving_for_later ) {
GFCommon::log_debug( 'GFFormDisplay::process_form(): Submission is valid. Moving forward.' );
$gform_pre_submission_args = array( 'gform_pre_submission', $form_id );
if ( gf_has_action( $gform_pre_submission_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_pre_submission.' );
/**
* Fires before form submission is handled
*
* Typically used to modify values before the submission is processed.
*
* @since 1.0
*
* @param array $form The Form object
*/
gf_do_action( $gform_pre_submission_args, $form );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_pre_submission.' );
}
$gform_pre_submission_filter_args = array( 'gform_pre_submission_filter', $form_id );
if ( gf_has_filter( $gform_pre_submission_filter_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_pre_submission_filter.' );
/**
* Allows the form object to be modified before the entry is saved.
*
* @since Unknown.
*
* @param array $form The form currently being processed.
*/
$form = gf_apply_filters( $gform_pre_submission_filter_args, $form );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_pre_submission_filter.' );
}
$confirmation = self::handle_submission( $form, $lead, $ajax );
$gform_after_submission_args = array( 'gform_after_submission', $form_id );
if ( gf_has_action( $gform_after_submission_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_after_submission.' );
/**
* Allows additional actions to be performed after successful form submission.
*
* @since 1.6
*
* @param array $lead The Entry object.
* @param array $form The Form object.
*/
gf_do_action( $gform_after_submission_args, $lead, $form );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_after_submission.' );
}
} elseif ( $saving_for_later ) {
GFCommon::log_debug( 'GFFormDisplay::process_form(): Saving for later.' );
$lead = GFFormsModel::get_current_lead();
$form = self::update_confirmation( $form, $lead, 'form_saved' );
$confirmation = rgar( $form['confirmation'], 'message' );
$nl2br = rgar( $form['confirmation'], 'disableAutoformat' ) ? false : true;
$confirmation = GFCommon::replace_variables( $confirmation, $form, $lead, false, true, $nl2br );
$form_unique_id = GFFormsModel::get_form_unique_id( $form_id );
$ip = rgars( $form, 'personalData/preventIP' ) ? '' : GFFormsModel::get_ip();
$source_url = GFFormsModel::get_current_page_url();
$source_url = esc_url_raw( $source_url );
$resume_token = rgpost( 'gform_resume_token' );
$resume_token = sanitize_key( $resume_token );
$resume_token = GFFormsModel::save_draft_submission( $form, $lead, $field_values, $page_number, $files, $form_unique_id, $ip, $source_url, $resume_token );
$notifications_to_send = GFCommon::get_notifications_to_send( 'form_saved', $form, $lead );
$log_notification_event = empty( $notifications_to_send ) ? 'No notifications to process' : 'Processing notifications';
GFCommon::log_debug( "GFFormDisplay::process_form(): {$log_notification_event} for form_saved event." );
foreach ( $notifications_to_send as $notification ) {
if ( isset( $notification['isActive'] ) && ! $notification['isActive'] ) {
GFCommon::log_debug( "GFFormDisplay::process_form(): Notification is inactive, not processing notification (#{$notification['id']} - {$notification['name']})." );
continue;
}
$notification['message'] = self::replace_save_variables( $notification['message'], $form, $resume_token );
GFCommon::send_notification( $notification, $form, $lead );
}
self::set_submission_if_null( $form_id, 'saved_for_later', true );
self::set_submission_if_null( $form_id, 'resume_token', $resume_token );
GFCommon::log_debug( 'GFFormDisplay::process_form(): Saved incomplete submission.' );
}
/**
* Allows the confirmation redirect header to be suppressed. Required by GFAPI::submit_form().
*
* @since 2.3
*
* @param bool $suppress_redirect
*/
$suppress_redirect = apply_filters( 'gform_suppress_confirmation_redirect', false );
if ( is_array( $confirmation ) && isset( $confirmation['redirect'] ) && ! $suppress_redirect ) {
header( "Location: {$confirmation["redirect"]}" );
$gform_post_submission_args = array( 'gform_post_submission', $form_id );
if ( gf_has_action( $gform_post_submission_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_post_submission.' );
/**
* Allows additional actions to be performed after form submission when the confirmation is a redirect.
*
* @param array $lead The Entry object.
* @param array $form The Form object.
*/
gf_do_action( $gform_post_submission_args, $lead, $form );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_post_submission.' );
}
GFCommon::log_debug( __METHOD__ . sprintf( '(): Processing completed in %F seconds.', GFCommon::timer_end( __METHOD__ ) ) );
exit;
}
}
if ( ! isset( self::$submission[ $form_id ] ) ) {
self::$submission[ $form_id ] = array();
}
self::set_submission_if_null( $form_id, 'is_valid', $is_valid );
self::set_submission_if_null( $form_id, 'form', $form );
self::set_submission_if_null( $form_id, 'lead', $lead );
self::set_submission_if_null( $form_id, 'confirmation_message', $confirmation );
self::set_submission_if_null( $form_id, 'page_number', $page_number );
self::set_submission_if_null( $form_id, 'source_page_number', $source_page_number );
$gform_post_process_args = array( 'gform_post_process', $form_id );
if ( gf_has_action( $gform_post_process_args ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_post_process.' );
/**
* Fires after the form processing is completed. Form processing happens when submitting a page on a multi-page form (i.e. going to the "Next" or "Previous" page), or
* when submitting a single page form.
*
* @param array $form The Form Object
* @param int $page_number In a multi-page form, this variable contains the current page number.
* @param int $source_page_number In a multi-page form, this parameters contains the number of the page that the submission came from.
* For example, when clicking "Next" on page 1, this parameter will be set to 1. When clicking "Previous" on page 2, this parameter will be set to 2.
*/
gf_do_action( $gform_post_process_args, $form, $page_number, $source_page_number );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_post_process.' );
}
GFCommon::log_debug( __METHOD__ . sprintf( '(): Processing completed in %F seconds.', GFCommon::timer_end( __METHOD__ ) ) );
}
/**
* Get form object and insert review page, if necessary.
*
* @since 2.1.1.25 Added $partial_entry parameter.
* @since 1.9.15
*
* @param array $form The current Form object.
* @param array $partial_entry The partial entry from the resumed incomplete submission. Defaults to an empty array.
*
* @return array The form object.
*/
public static function maybe_add_review_page( $form, $partial_entry = array() ) {
/* Setup default review page parameters. */
$review_page = array(
'content' => '',
'cssClass' => '',
'is_enabled' => false,
'nextButton' => array(
'type' => 'text',
'text' => __( 'Review Form', 'gravityforms' ),
'imageUrl' => '',
'imageAlt' => '',
),
'previousButton' => array(
'type' => 'text',
'text' => __( 'Previous', 'gravityforms' ),
'imageUrl' => '',
'imageAlt' => '',
),
);
$gform_review_page_args = array( 'gform_review_page', rgar( $form, 'id' ) );
if ( gf_has_filter( $gform_review_page_args ) ) {
if ( empty( $partial_entry ) ) {
// Prepare partial entry for review page.
$partial_entry = GFFormsModel::get_current_lead();
}
/**
* GFFormsModel::create_lead() caches the field value and conditional logic visibility which can create
* issues when 3rd parties use hooks later in the process to modify the form. Let's flush the cache avoid
* any weirdness.
*/
GFCache::flush();
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_review_page.' );
/**
* A filter for setting up the review page.
*
* @since 2.4.5
*
* @param array $review_page The review page parameters
* @param array $form The current form object
* @param array|false $partial_entry The partial entry for the form or false on initial form display.
*/
$review_page = gf_apply_filters( $gform_review_page_args, $review_page, $form, $partial_entry );
GFCommon::log_debug( __METHOD__ . '(): Completed gform_review_page.' );
if ( ! rgempty( 'button_text', $review_page ) ) {
$review_page['nextButton']['text'] = $review_page['button_text'];
}
}
if ( rgar( $review_page, 'is_enabled' ) ) {
$form = self::insert_review_page( $form, $review_page );
}
return $form;
}
private static function set_submission_if_null( $form_id, $key, $val ) {
if ( ! isset( self::$submission[ $form_id ][ $key ] ) ) {
self::$submission[ $form_id ][ $key ] = $val;
}
}
private static function upload_files( $form, $files ) {
$form_upload_path = GFFormsModel::get_upload_path( $form['id'] );
GFCommon::log_debug( "GFFormDisplay::upload_files(): Upload path {$form_upload_path}" );
//Creating temp folder if it does not exist
$target_path = $form_upload_path . '/tmp/';
if ( ! is_dir( $target_path ) && wp_mkdir_p( $target_path ) ) {
GFCommon::recursive_add_index_file( $target_path );
}
foreach ( $form['fields'] as $field ) {
$input_name = "input_{$field->id}";
//skip fields that are not file upload fields or that don't have a file to be uploaded or that have failed validation
$input_type = RGFormsModel::get_input_type( $field );
if ( ! in_array( $input_type, array( 'fileupload', 'post_image' ) ) || $field->multipleFiles ) {
continue;
}
/*if ( $field->failed_validation || empty( $_FILES[ $input_name ]['name'] ) ) {
GFCommon::log_debug( "GFFormDisplay::upload_files(): Skipping field: {$field->label}({$field->id} - {$field->type})." );
continue;
}*/
if ( $field->failed_validation ) {
GFCommon::log_debug( "GFFormDisplay::upload_files(): Skipping field because it failed validation: {$field->label}({$field->id} - {$field->type})." );
continue;
}
if ( empty( $_FILES[ $input_name ]['name'] ) ) {
GFCommon::log_debug( "GFFormDisplay::upload_files(): Skipping field because a file could not be found: {$field->label}({$field->id} - {$field->type})." );
continue;
}
$file_name = $_FILES[ $input_name ]['name'];
if ( GFCommon::file_name_has_disallowed_extension( $file_name ) ) {
GFCommon::log_debug( __METHOD__ . "(): Illegal file extension: {$file_name}" );
continue;
}
$allowed_extensions = ! empty( $field->allowedExtensions ) ? GFCommon::clean_extensions( explode( ',', strtolower( $field->allowedExtensions ) ) ) : array();
if ( ! empty( $allowed_extensions ) ) {
if ( ! GFCommon::match_file_extension( $file_name, $allowed_extensions ) ) {
GFCommon::log_debug( __METHOD__ . "(): The uploaded file type is not allowed: {$file_name}" );
continue;
}
}
/**
* Allows the disabling of file upload whitelisting
*
* @param bool false Set to 'true' to disable whitelisting. Defaults to 'false'.
*/
$whitelisting_disabled = apply_filters( 'gform_file_upload_whitelisting_disabled', false );
if ( empty( $allowed_extensions ) && ! $whitelisting_disabled ) {
// Whitelist the file type
$valid_file_name = GFCommon::check_type_and_ext( $_FILES[ $input_name ], $file_name );
if ( is_wp_error( $valid_file_name ) ) {
GFCommon::log_debug( __METHOD__ . "(): The uploaded file type is not allowed: {$file_name}" );
continue;
}
}
$file_info = RGFormsModel::get_temp_filename( $form['id'], $input_name );
GFCommon::log_debug( 'GFFormDisplay::upload_files(): Temp file info: ' . print_r( $file_info, true ) );
if ( $file_info && move_uploaded_file( $_FILES[ $input_name ]['tmp_name'], $target_path . $file_info['temp_filename'] ) ) {
GFFormsModel::set_permissions( $target_path . $file_info['temp_filename'] );
$files[ $input_name ] = $file_info['uploaded_filename'];
GFCommon::log_debug( "GFFormDisplay::upload_files(): File uploaded successfully: {$file_info['uploaded_filename']}" );
} else {
GFCommon::log_error( "GFFormDisplay::upload_files(): File could not be uploaded: tmp_name: {$_FILES[ $input_name ]['tmp_name']} - target location: " . $target_path . $file_info['temp_filename'] );
}
}
return $files;
}
public static function get_state( $form, $field_values ) {
$fields = array();
foreach ( $form['fields'] as $field ) {
/* @var GF_Field $field */
if ( $field->is_state_validation_supported() ) {
$value = RGFormsModel::get_field_value( $field, $field_values, false );
$value = $field->get_value_default_if_empty( $value );
switch ( $field->get_input_type() ) {
case 'calculation' :
case 'singleproduct' :
case 'hiddenproduct' :
$price = ! is_array( $value ) || empty( $value[ $field->id . '.2' ] ) ? $field->basePrice : $value[ $field->id . '.2' ];
if ( empty( $price ) ) {
$price = 0;
}
$price = GFCommon::to_number( $price );
$product_name = ! is_array( $value ) || empty( $value[ $field->id . '.1' ] ) ? $field->label : $value[ $field->id . '.1' ];
$fields[ $field->id . '.1' ] = wp_hash( GFFormsModel::maybe_trim_input( $product_name, $form['id'], $field ) );
$fields[ $field->id . '.2' ] = wp_hash( GFFormsModel::maybe_trim_input( $price, $form['id'], $field ) );
break;
case 'singleshipping' :
$price = ! empty( $value ) ? $value : $field->basePrice;
$price = ! empty( $price ) ? GFCommon::to_number( $price ) : 0;
$fields[ $field->id ] = wp_hash( GFFormsModel::maybe_trim_input( $price, $form['id'], $field ) );
break;
case 'radio' :
case 'select' :
$fields[ $field->id ] = array();
foreach ( $field->choices as $choice ) {
$field_value = ! empty( $choice['value'] ) || $field->enableChoiceValue ? $choice['value'] : $choice['text'];
if ( $field->enablePrice ) {
$price = rgempty( 'price', $choice ) ? 0 : GFCommon::to_number( rgar( $choice, 'price' ) );
$field_value .= '|' . $price;
}
$fields[ $field->id ][] = wp_hash( GFFormsModel::maybe_trim_input( $field_value, $form['id'], $field ) );
}
break;
case 'checkbox' :
$index = 1;
foreach ( $field->choices as $choice ) {
$field_value = ! empty( $choice['value'] ) || $field->enableChoiceValue ? $choice['value'] : $choice['text'];
if ( $field->enablePrice ) {
$price = rgempty( 'price', $choice ) ? 0 : GFCommon::to_number( rgar( $choice, 'price' ) );
$field_value .= '|' . $price;
}
// Checkboxes for Choice fields already have a unique ID.
if ( $field->has_persistent_choices() ) {
$input_id = $field->get_input_id_from_choice_key( $choice['key'] );
$fields[ $input_id ] = wp_hash( GFFormsModel::maybe_trim_input( $field_value, $form['id'], $field ) );
} else {
if ( $index % 10 == 0 ) { //hack to skip numbers ending in 0. so that 5.1 doesn't conflict with 5.10
$index ++;
}
$fields[ $field->id . '.' . $index ++ ] = wp_hash( GFFormsModel::maybe_trim_input( $field_value, $form['id'], $field ) );
}
}
break;
case 'consent':
$text = $field->checkboxLabel;
$description = GFFormsModel::get_latest_form_revisions_id( $form['id'] );
$fields[ $field->id . '.1' ] = wp_hash( 1 );
$fields[ $field->id . '.2' ] = wp_hash( GFFormsModel::maybe_trim_input( $text, $form['id'], $field ) );
$fields[ $field->id . '.3' ] = wp_hash( GFFormsModel::maybe_trim_input( $description, $form['id'], $field ) );
break;
}
}
}
$hash = json_encode( $fields );
$checksum = wp_hash( crc32( $hash ) );
return base64_encode( json_encode( array( $hash, $checksum ) ) );
}
/**
* Determine if form has any pages.
*
* @access private
*
* @param array $form The form object
*
* @return bool If form object has any pages
*/
private static function has_pages( $form ) {
return GFCommon::has_pages( $form );
}
private static function has_character_counter( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( $field->maxLength && ! $field->inputMask ) {
return true;
}
}
return false;
}
private static function has_placeholder( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( $field->placeholder != '' ) {
return true;
}
if ( is_array( $field->inputs ) ) {
foreach ( $field->inputs as $input ) {
if ( rgar( $input, 'placeholder' ) != '' ) {
return true;
}
}
}
}
return false;
}
private static function has_enhanced_dropdown( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( in_array( RGFormsModel::get_input_type( $field ), array( 'select', 'multiselect' ) ) && $field->enableEnhancedUI ) {
return true;
}
}
return false;
}
private static function has_password_strength( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( $field->type == 'password' && $field->passwordStrengthEnabled ) {
return true;
}
}
return false;
}
/**
* Determines if form has a Password field with the Password Visibility Toggle enabled.
*
* @since 2.4.15
*
* @param array $form Form object.
*
* @return bool
*/
private static function has_password_visibility( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( $field->type == 'password' && $field->passwordVisibilityEnabled ) {
return true;
}
}
return false;
}
private static function has_other_choice( $form ) {
if ( ! is_array( $form['fields'] ) ) {
return false;
}
foreach ( $form['fields'] as $field ) {
if ( $field->type == 'radio' && $field->enableOtherChoice ) {
return true;
}
}
return false;
}
public static function get_target_page( $form, $current_page, $field_values ) {
$page_number = RGForms::post( "gform_target_page_number_{$form['id']}" );
$page_number = ! is_numeric( $page_number ) ? 1 : $page_number;
// cast to an integer since page numbers can only be whole numbers
$page_number = absint( $page_number );
$direction = $page_number >= $current_page ? 1 : - 1;
//Finding next page that is not hidden by conditional logic
while ( RGFormsModel::is_page_hidden( $form, $page_number, $field_values ) ) {
$page_number += $direction;
}
//If all following pages are hidden, submit the form
if ( $page_number > self::get_max_page_number( $form ) ) {
$page_number = 0;
}
/**
* Modify the target page.
*
* @since 2.1.2.13
*
* @see https://docs.gravityforms.com/gform_target_page/
*
* @param int $page_number The target page number.
* @param array $form The current form object.
* @param int $current_page The page that was submitted.
* @param array $field_values Dynamic population values that were provided when loading the form.
*/
return gf_apply_filters( array( 'gform_target_page', $form['id'] ), $page_number, $form, $current_page, $field_values );
}
public static function get_source_page( $form_id ) {
$page_number = RGForms::post( "gform_source_page_number_{$form_id}" );
return ! is_numeric( $page_number ) ? 1 : $page_number;
}
public static function set_current_page( $form_id, $page_number ) {
self::$submission[ $form_id ]['page_number'] = $page_number;
}
public static function get_current_page( $form_id ) {
$page_number = isset( self::$submission[ $form_id ] ) ? intval( self::$submission[ $form_id ]['page_number'] ) : 1;
return $page_number;
}
private static function is_page_active( $form_id, $page_number ) {
return intval( self::get_current_page( $form_id ) ) == intval( $page_number );
}
/**
* Determine if the last page for the current form object is being submitted or rendered (depending on the provided $mode).
*
* @param array $form A Gravity Forms form object.
* @param string $mode Mode to check for: 'submit' or 'render'
*
* @return boolean
*/
public static function is_last_page( $form, $mode = 'submit' ) {
$page_number = self::get_source_page( $form['id'] );
$field_values = GFForms::post( 'gform_field_values' );
$target_page = self::get_target_page( $form, $page_number, $field_values );
if ( $mode == 'render' ) {
$is_valid = rgars( self::$submission, "{$form['id']}/is_valid" );
$is_last_page = ( $is_valid && $target_page == self::get_max_page_number( $form ) ) || (string) $target_page === '0';
} else {
$is_last_page = (string) $target_page === '0';
}
return $is_last_page;
}
/**
* Returns the entry limit date range for the given period.
*
* @since unknown
* @since 2.4.15 Updated the day period to use the local time.
*
* @param string $period The eriod for the entry limit.
*
* @return array
*/
private static function get_limit_period_dates( $period ) {
if ( empty( $period ) ) {
return array( 'start_date' => null, 'end_date' => null );
}
switch ( $period ) {
case 'day':
return array(
'start_date' => current_time( 'Y-m-d' ),
'end_date' => current_time( 'Y-m-d 23:59:59' ),
);
break;
case 'week':
return array(
'start_date' => gmdate( 'Y-m-d', strtotime( 'Monday this week' ) ),
'end_date' => gmdate( 'Y-m-d 23:59:59', strtotime( 'Sunday this week' ) ),
);
break;
case 'month':
$month_start = gmdate( 'Y-m-1');
return array(
'start_date' => $month_start,
'end_date' => gmdate( 'Y-m-d H:i:s', strtotime( "{$month_start} +1 month -1 second" ) ),
);
break;
case 'year':
return array(
'start_date' => gmdate( 'Y-1-1' ),
'end_date' => gmdate( 'Y-12-31 23:59:59' ),
);
break;
}
}
/**
* Get the slug for the form's theme
*
* @since 2.7
*
* @param $form
*
* @return string The theme slug
*/
public static function get_form_theme_slug( $form ) {
$form = (array) $form;
$slug = '';
$is_wp_dashboard = is_admin() && ! defined( 'DOING_AJAX' );
// If form is legacy, return that early to avoid calculating orbital styles.
if ( GFCommon::is_legacy_markup_enabled( $form ) ) {
$slug = 'legacy';
} elseif ( $is_wp_dashboard || GFCommon::is_preview() ) {
$slug = 'gravity-theme';
} elseif ( GFCommon::is_form_editor() ) {
$slug = 'orbital';
} elseif ( isset( $form['theme'] ) ) {
$slug = $form['theme'];
} else {
$instance = rgar( $form, 'page_instance', 0 );
$all_blocks = apply_filters( 'gform_form_block_attribute_values', array() );
$block_settings = rgars( $all_blocks, rgar( $form, 'id', 0 ) . '/' . $instance, array() );
// If a theme is selected for this block or shortcode, return that.
if ( isset( $block_settings['theme'] ) ) {
$slug = $block_settings['theme'];
}
}
// allow using the short version in shortcodes.
if ( $slug == 'gravity' ) {
$slug = 'gravity-theme';
}
if ( empty( $slug ) || ! in_array( $slug, array( 'legacy', 'gravity-theme', 'orbital' ) ) ) {
$slug = GFForms::get_default_theme();
}
/**
* Allow users to filter the theme slug returned for a given form.
*
* @since 2.7
*
* @param string $slug The current theme slug for the form.
* @param array $form The form object being processed.
*
* @return string
*/
return apply_filters( 'gform_form_theme_slug', $slug, $form );
}
/**
* Determines which themes to enqueue based on the form context and current page.
*
* @since 2.9
*
* @param array $form Current form object.
* @param string|array $field_types Optional. If specified, only load themes for forms with fields of these types. Can be a string with a single field type or an array of strings with multiple field types.
*
* @return array|string[] Returns an array of theme slugs to enqueue
*/
public static function get_themes_to_enqueue( $form, $field_types = '' ) {
// In the form editor, enqueue the theme framework.
if ( GFCommon::is_form_editor() ) {
return array( 'orbital' );
}
// Enqueues Gravity and Theme Framework themes in the block editor
if ( GFCommon::is_block_editor_page() ) {
return array( 'gravity-theme', 'orbital' );
}
// Enqueues Gravity theme in the entry detail views
if ( GFCommon::is_entry_detail() ) {
return array( 'gravity-theme' );
}
// On pages other than the form editor and block editor, if a field type is specified, only enqueue a theme if the form has the specified field type.
if ( ! empty( $field_types ) && ! GFCommon::get_fields_by_type( $form, $field_types ) ) {
return array();
}
$selected_theme = self::get_form_theme_slug( $form );
return array( $selected_theme );
}
/**
* Fire the post render events for a form instance when the form is visible on the page.
*
* @since 2.8.4
*
* @param $form_id
* @param $current_page
*
* @return string
*/
public static function post_render_script( $form_id, $current_page = 'current_page' ) {
$post_render_script = '
jQuery(document).trigger("gform_pre_post_render", [{ formId: "' . $form_id . '", currentPage: "' . $current_page . '", abort: function() { this.preventDefault(); } }]);
if (event && event.defaultPrevented) {
return;
}
const gformWrapperDiv = document.getElementById( "gform_wrapper_' . $form_id . '" );
if ( gformWrapperDiv ) {
const visibilitySpan = document.createElement( "span" );
visibilitySpan.id = "gform_visibility_test_' . $form_id . '";
gformWrapperDiv.insertAdjacentElement( "afterend", visibilitySpan );
}
const visibilityTestDiv = document.getElementById( "gform_visibility_test_' . $form_id . '" );
let postRenderFired = false;
function triggerPostRender() {
if ( postRenderFired ) {
return;
}
postRenderFired = true;
jQuery( document ).trigger( \'gform_post_render\', [' . $form_id . ', ' . $current_page . '] );
gform.utils.trigger( { event: \'gform/postRender\', native: false, data: { formId: ' . $form_id . ', currentPage: ' . $current_page . ' } } );
gform.utils.trigger( { event: \'gform/post_render\', native: false, data: { formId: ' . $form_id . ', currentPage: ' . $current_page . ' } } );
if ( visibilityTestDiv ) {
visibilityTestDiv.parentNode.removeChild( visibilityTestDiv );
}
}
function debounce( func, wait, immediate ) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if ( !immediate ) func.apply( context, args );
};
var callNow = immediate && !timeout;
clearTimeout( timeout );
timeout = setTimeout( later, wait );
if ( callNow ) func.apply( context, args );
};
}
const debouncedTriggerPostRender = debounce( function() {
triggerPostRender();
}, 200 );
if ( visibilityTestDiv && visibilityTestDiv.offsetParent === null ) {
const observer = new MutationObserver( ( mutations ) => {
mutations.forEach( ( mutation ) => {
if ( mutation.type === \'attributes\' && visibilityTestDiv.offsetParent !== null ) {
debouncedTriggerPostRender();
observer.disconnect();
}
});
});
observer.observe( document.body, {
attributes: true,
childList: false,
subtree: true,
attributeFilter: [ \'style\', \'class\' ],
});
} else {
triggerPostRender();
}
';
$post_render_script = gf_apply_filters( array( 'gform_post_render_script', $form_id ), $post_render_script, $form_id, $current_page );
return str_replace( [ "\t", "\n", "\r" ], '', $post_render_script );
}
/**
* Get a form for display.
*
* @since unknown
* @since 2.7.15 Added the $form_theme and $style_settings parameters.
*
* @param int $form_id The id of the form.
* @param bool $display_title Whether to display the form title.
* @param bool $display_description Whether to display the form description.
* @param bool $force_display Whether to force the form to display even if it is inactive.
* @param array $field_values Array of field values.
* @param bool $ajax Whether ajax is enabled.
* @param int $tabindex Tabindex for the form.
* @param string $form_theme Form theme slug.
* @param string $style_settings JSON-encoded style settings. Passing false will bypass the gform_default_styles filter.
*
* @return mixed|string|WP_Error