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form_display.php
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<?php
if ( ! class_exists( 'GFForms' ) ) {
die();
}
class GFFormDisplay {
public static $submission = array();
private static $init_scripts = array();
const ON_PAGE_RENDER = 1;
const ON_CONDITIONAL_LOGIC = 2;
public static function process_form( $form_id ) {
GFCommon::log_debug( "GFFormDisplay::process_form(): Starting to process form (#{$form_id}) submission." );
$form = GFAPI::get_form( $form_id );
/**
* 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;
}
//reading form metadata
$form = self::maybe_add_review_page( $form );
if ( ! $form['is_active'] || $form['is_trash'] ) {
return;
}
if ( rgar( $form, 'requireLogin' ) ) {
if ( ! is_user_logged_in() ) {
return;
}
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}." );
//Loading files that have been uploaded to temp folder
$files = GFCommon::json_decode( stripslashes( RGForms::post( 'gform_uploaded_files' ) ) );
if ( ! is_array( $files ) ) {
$files = array();
}
RGFormsModel::$uploaded_files[ $form_id ] = $files;
$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 = $is_valid ? 'Yes' : 'No';
GFCommon::log_debug( "GFFormDisplay::process_form(): After validation. Is submission valid? {$log_is_valid}." );
//Upload files to temp folder when saving for later, going to the next page or when submitting the form and it failed validation
if ( $saving_for_later || $target_page >= $page_number || ( $target_page == 0 && ! $is_valid ) ) {
if ( ! empty( $_FILES ) ) {
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 ) {
$ajax = isset( $_POST['gform_ajax'] );
//adds honeypot field if configured
if ( rgar( $form, 'enableHoneypot' ) ) {
$form['fields'][] = self::get_honeypot_field( $form );
}
$failed_honeypot = rgar( $form, 'enableHoneypot' ) && ! self::validate_honeypot( $form );
if ( $failed_honeypot ) {
GFCommon::log_debug( 'GFFormDisplay::process_form(): Failed Honeypot validation. Displaying confirmation and aborting.' );
//display confirmation but doesn't process the form when honeypot fails
$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.' );
$form = self::update_confirmation( $form );
//pre submission action
gf_do_action( array( 'gform_pre_submission', $form['id'] ), $form );
//pre submission filter
$form = gf_apply_filters( array( 'gform_pre_submission_filter', $form_id ), $form );
//handle submission
$confirmation = self::handle_submission( $form, $lead, $ajax );
//after submission hook
if ( has_filter( 'gform_after_submission' ) || has_filter( "gform_after_submission_{$form['id']}" ) ) {
GFCommon::log_debug( __METHOD__ . '(): Executing functions hooked to gform_after_submission.' );
}
gf_do_action( array( 'gform_after_submission', $form['id'] ), $lead, $form );
} 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 = 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_incomplete_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.' );
}
if ( is_array( $confirmation ) && isset( $confirmation['redirect'] ) ){
header( "Location: {$confirmation["redirect"]}" );
gf_do_action( array( 'gform_post_submission', $form['id'] ), $lead, $form );
exit;
}
}
if ( ! isset( self::$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 );
/**
* 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( array( 'gform_post_process', $form['id'] ), $form, $page_number, $source_page_number );
}
/**
* Get form object and insert review page, if necessary.
*
* @param array $form The current Form object
* @return mixed The form meta array or false
*/
public static function maybe_add_review_page( $form ) {
/* Setup default review page parameters. */
$review_page = array(
'content' => '',
'is_enabled' => false,
'nextButton' => array(
'type' => 'text',
'text' => __( 'Review Form', 'gravityforms' ),
'imageUrl' => '',
'imageAlt' => '',
),
'previousButton' => array(
'type' => 'text',
'text' => __( 'Previous', 'gravityforms' ),
'imageUrl' => '',
'imageAlt' => '',
),
);
if ( has_filter( 'gform_review_page' ) || has_filter( "gform_review_page_{$form['id']}" ) ) {
// 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();
/**
* A filter for setting up the review page
*
* @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( array( 'gform_review_page', $form['id'] ), $review_page, $form, $partial_entry );
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'] );
//Creating temp folder if it does not exist
$target_path = $form_upload_path . '/tmp/';
wp_mkdir_p( $target_path );
GFCommon::recursive_add_index_file( $form_upload_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;
}
$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 ) {
$product_fields = array();
foreach ( $form['fields'] as $field ) {
/* @var GF_Field $field */
if ( GFCommon::is_product_field( $field->type ) || $field->type == 'donation' ) {
$value = RGFormsModel::get_field_value( $field, $field_values, false );
$value = $field->get_value_default_if_empty( $value );
switch ( $field->inputType ) {
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' ];
$product_fields[ $field->id . '.1' ] = wp_hash( GFFormsModel::maybe_trim_input( $product_name, $form['id'], $field ) );
$product_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;
$product_fields[ $field->id ] = wp_hash( GFFormsModel::maybe_trim_input( $price, $form['id'], $field ) );
break;
case 'radio' :
case 'select' :
$product_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;
}
$product_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;
}
if ( $index % 10 == 0 ) { //hack to skip numbers ending in 0. so that 5.1 doesn't conflict with 5.10
$index ++;
}
$product_fields[ $field->id . '.' . $index ++ ] = wp_hash( GFFormsModel::maybe_trim_input( $field_value, $form['id'], $field ) );
}
break;
}
}
}
$hash = json_encode( $product_fields );
$checksum = wp_hash( crc32( $hash ) );
return base64_encode( json_encode( array( $hash, $checksum ) ) );
}
/**
* Determine if form has any pages.
*
* @access private
* @static
* @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;
}
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;
$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;
}
return $page_number;
}
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 );
} else {
$is_last_page = (string) $target_page === '0';
}
return $is_last_page;
}
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' => gmdate( 'Y-m-d' ),
'end_date' => gmdate( '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( 'next Sunday' ) )
);
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;
}
}
public static function get_form( $form_id, $display_title = true, $display_description = true, $force_display = false, $field_values = null, $ajax = false, $tabindex = 1 ) {
/**
* Provides the ability to modify the options used to display the form
*
* @param array An array of Form Arguments when adding it to a page/post (Like the ID, Title, AJAX or not, etc)
*/
$form_args = apply_filters( 'gform_form_args', compact( 'form_id', 'display_title', 'display_description', 'force_display', 'field_values', 'ajax', 'tabindex' ) );
extract( $form_args );
//looking up form id by form name
if ( ! is_numeric( $form_id ) ) {
$form_id = RGFormsModel::get_form_id( $form_id );
}
//reading form metadata
$form = GFAPI::get_form( $form_id );
$form = self::maybe_add_review_page( $form );
$action = remove_query_arg( 'gf_token' );
//disable ajax if form has a reCAPTCHA field (not supported).
if ( $ajax && self::has_recaptcha_field( $form ) ) {
$ajax = false;
}
if ( isset( $_POST['gform_send_resume_link'] ) ) {
$save_email_confirmation = self::handle_save_email_confirmation( $form, $ajax );
if ( is_wp_error( $save_email_confirmation ) ) { // Failed email validation
$resume_token = rgpost( 'gform_resume_token' );
$resume_token = sanitize_key( $resume_token );
$incomplete_submission_info = GFFormsModel::get_incomplete_submission_values( $resume_token );
if ( $incomplete_submission_info['form_id'] == $form_id ) {
$submission_details_json = $incomplete_submission_info['submission'];
$submission_details = json_decode( $submission_details_json, true );
$partial_entry = $submission_details['partial_entry'];
$form = self::update_confirmation( $form, $partial_entry, 'form_saved' );
$confirmation_message = rgar( $form['confirmation'], 'message' );
$nl2br = rgar( $form['confirmation'], 'disableAutoformat' ) ? false : true;
$confirmation_message = GFCommon::replace_variables( $confirmation_message, $form, $partial_entry, false, true, $nl2br );
return self::handle_save_confirmation( $form, $resume_token, $confirmation_message, $ajax );
}
} else {
return $save_email_confirmation;
}
}
$is_postback = false;
$is_valid = true;
$confirmation_message = '';
//If form was submitted, read variables set during form submission procedure
$submission_info = isset( self::$submission[ $form_id ] ) ? self::$submission[ $form_id ] : false;
if ( rgar( $submission_info, 'saved_for_later' ) == true ) {
$resume_token = $submission_info['resume_token'];
$confirmation_message = rgar( $submission_info, 'confirmation_message' );
return self::handle_save_confirmation( $form, $resume_token, $confirmation_message, $ajax );
}
$partial_entry = $submitted_values = false;
if ( isset( $_GET['gf_token'] ) ) {
$incomplete_submission_info = GFFormsModel::get_incomplete_submission_values( $_GET['gf_token'] );
if ( $incomplete_submission_info['form_id'] == $form_id ) {
$submission_details_json = $incomplete_submission_info['submission'];
$submission_details = json_decode( $submission_details_json, true );
$partial_entry = $submission_details['partial_entry'];
$submitted_values = $submission_details['submitted_values'];
$field_values = $submission_details['field_values'];
GFFormsModel::$unique_ids[ $form_id ] = $submission_details['gform_unique_id'];
GFFormsModel::$uploaded_files[ $form_id ] = $submission_details['files'];
self::set_submission_if_null( $form_id, 'resuming_incomplete_submission', true );
self::set_submission_if_null( $form_id, 'form_id', $form_id );
$max_page_number = self::get_max_page_number( $form );
$page_number = $submission_details['page_number'] > $max_page_number ? $max_page_number : $submission_details['page_number'];
self::set_submission_if_null( $form_id, 'page_number', $page_number );
}
}
if ( ! is_array( $partial_entry ) ) {
/**
* A filter that allows disabling of the form view counter
*
* @param int $form_id The Form ID to filter when disabling the form view counter
* @param bool Default set to false (view counter enabled), can be set to true to disable the counter
*/
$view_counter_disabled = gf_apply_filters( array( 'gform_disable_view_counter', $form_id ), false );
if ( $submission_info ) {
$is_postback = true;
$is_valid = rgar( $submission_info, 'is_valid' ) || rgar( $submission_info, 'is_confirmation' );
$form = $submission_info['form'];
$lead = $submission_info['lead'];
$confirmation_message = rgget( 'confirmation_message', $submission_info );
if ( $is_valid && ! RGForms::get( 'is_confirmation', $submission_info ) ) {
if ( $submission_info['page_number'] == 0 ) {
//post submission hook
gf_do_action( array( 'gform_post_submission', $form['id'] ), $lead, $form );
} else {
//change page hook
gf_do_action( array( 'gform_post_paging', $form['id'] ), $form, $submission_info['source_page_number'], $submission_info['page_number'] );
}
}
} elseif ( ! current_user_can( 'administrator' ) && ! $view_counter_disabled ) {
RGFormsModel::insert_form_view( $form_id, $_SERVER['REMOTE_ADDR'] );
}
}
if ( rgar( $form, 'enableHoneypot' ) ) {
$form['fields'][] = self::get_honeypot_field( $form );
}
//Fired right before the form rendering process. Allow users to manipulate the form object before it gets displayed in the front end
$form = gf_apply_filters( array( 'gform_pre_render', $form_id ), $form, $ajax, $field_values );
if ( $form == null ) {
return '<p>' . esc_html__( 'Oops! We could not locate your form.', 'gravityforms' ) . '</p>';
}
$has_pages = self::has_pages( $form );
//calling tab index filter
GFCommon::$tab_index = gf_apply_filters( array( 'gform_tabindex', $form_id ), $tabindex, $form );
//Don't display inactive forms
if ( ! $force_display && ! $is_postback ) {
$form_info = RGFormsModel::get_form( $form_id );
if ( empty( $form_info ) || ! $form_info->is_active ) {
return '';
}
// If form requires login, check if user is logged in
if ( rgar( $form, 'requireLogin' ) ) {
if ( ! is_user_logged_in() ) {
return empty( $form['requireLoginMessage'] ) ? '<p>' . esc_html__( 'Sorry. You must be logged in to view this form.', 'gravityforms' ) . '</p>' : '<p>' . GFCommon::gform_do_shortcode( $form['requireLoginMessage'] ) . '</p>';
}
}
}
// show the form regardless of the following validations when force display is set to true
if ( ! $force_display || $is_postback ) {
$form_schedule_validation = self::validate_form_schedule( $form );
// if form schedule validation fails AND this is not a postback, display the validation error
// if form schedule validation fails AND this is a postback, make sure is not a valid submission (enables display of confirmation message)
if ( ( $form_schedule_validation && ! $is_postback ) || ( $form_schedule_validation && $is_postback && ! $is_valid ) ) {
return $form_schedule_validation;
}
$entry_limit_validation = self::validate_entry_limit( $form );
// refer to form schedule condition notes above
if ( ( $entry_limit_validation && ! $is_postback ) || ( $entry_limit_validation && $is_postback && ! $is_valid ) ) {
return $entry_limit_validation;
}
}
$form_string = '';
//When called via a template, this will enqueue the proper scripts
//When called via a shortcode, this will be ignored (too late to enqueue), but the scripts will be enqueued via the enqueue_scripts event
self::enqueue_form_scripts( $form, $ajax );
$is_form_editor = GFCommon::is_form_editor();
$is_entry_detail = GFCommon::is_entry_detail();
$is_admin = $is_form_editor || $is_entry_detail;
if ( empty( $confirmation_message ) ) {
$wrapper_css_class = GFCommon::get_browser_class() . ' gform_wrapper';
if ( ! $is_valid ) {
$wrapper_css_class .= ' gform_validation_error';
}
$form_css_class = esc_attr( rgar( $form, 'cssClass' ) );
//Hiding entire form if conditional logic is on to prevent 'hidden' fields from blinking. Form will be set to visible in the conditional_logic.php after the rules have been applied.
$style = self::has_conditional_logic( $form ) ? "style='display:none'" : '';
$custom_wrapper_css_class = ! empty( $form_css_class ) ? " {$form_css_class}_wrapper" : '';
$form_string .= "
<div class='{$wrapper_css_class}{$custom_wrapper_css_class}' id='gform_wrapper_$form_id' " . $style . '>';
$default_anchor = $has_pages || $ajax ? true : false;
$use_anchor = gf_apply_filters( array( 'gform_confirmation_anchor', $form_id ), $default_anchor );
if ( $use_anchor !== false ) {
$form_string .= "<a id='gf_$form_id' class='gform_anchor' ></a>";
$action .= "#gf_$form_id";
}
$target = $ajax ? "target='gform_ajax_frame_{$form_id}'" : '';
$form_css_class = ! empty( $form['cssClass'] ) ? "class='{$form_css_class}'" : '';
$action = esc_url( $action );
$form_string .= gf_apply_filters( array( 'gform_form_tag', $form_id ), "<form method='post' enctype='multipart/form-data' {$target} id='gform_{$form_id}' {$form_css_class} action='{$action}'>", $form );
if ( $display_title || $display_description ) {
$form_string .= "
<div class='gform_heading'>";
if ( $display_title ) {
$form_string .= "
<h3 class='gform_title'>" . $form['title'] . '</h3>';
}
if ( $display_description ) {
$form_string .= "
<span class='gform_description'>" . rgar( $form, 'description' ) . '</span>';
}
$form_string .= '
</div>';
}
$current_page = self::get_current_page( $form_id );
if ( $has_pages && ! $is_admin ) {
if ( $form['pagination']['type'] == 'percentage' ) {
$form_string .= self::get_progress_bar( $form, $form_id, $confirmation_message );
} else if ( $form['pagination']['type'] == 'steps' ) {
$form_string .= "
<div id='gf_page_steps_{$form_id}' class='gf_page_steps'>";
$pages = isset( $form['pagination']['pages'] ) ? $form['pagination']['pages'] : array();
for ( $i = 0, $count = sizeof( $pages ); $i < $count; $i ++ ) {
$step_number = $i + 1;
$active_class = $step_number == $current_page ? ' gf_step_active' : '';
$first_class = $i == 0 ? ' gf_step_first' : '';
$last_class = $i + 1 == $count ? ' gf_step_last' : '';
$complete_class = $step_number < $current_page ? ' gf_step_completed' : '';
$previous_class = $step_number + 1 == $current_page ? ' gf_step_previous' : '';
$next_class = $step_number - 1 == $current_page ? ' gf_step_next' : '';
$pending_class = $step_number > $current_page ? ' gf_step_pending' : '';
$classes = 'gf_step' . $active_class . $first_class . $last_class . $complete_class . $previous_class . $next_class . $pending_class;
$classes = GFCommon::trim_all( $classes );
$form_string .= "
<div id='gf_step_{$form_id}_{$step_number}' class='{$classes}'><span class='gf_step_number'>{$step_number}</span> <span class='gf_step_label'>{$pages[ $i ]}</span></div>";
}
$form_string .= "
<div class='gf_step_clear'></div>
</div>";
}
}
if ( $is_postback && ! $is_valid ) {
$validation_message = "<div class='validation_error'>" . esc_html__( 'There was a problem with your submission.', 'gravityforms' ) . ' ' . esc_html__( 'Errors have been highlighted below.', 'gravityforms' ) . '</div>';
$form_string .= gf_apply_filters( array( 'gform_validation_message', $form_id ), $validation_message, $form );
}
$form_string .= "
<div class='gform_body'>";
//add first page if this form has any page fields
if ( $has_pages ) {
$style = self::is_page_active( $form_id, 1 ) ? '' : "style='display:none;'";
$class = ! empty( $form['firstPageCssClass'] ) ? " {$form['firstPageCssClass']}" : '';
$class = esc_attr( $class );
$form_string .= "<div id='gform_page_{$form_id}_1' class='gform_page{$class}' {$style}>
<div class='gform_page_fields'>";
}
$description_class = rgar( $form, 'descriptionPlacement' ) == 'above' ? 'description_above' : 'description_below';
$sublabel_class = rgar( $form, 'subLabelPlacement' ) == 'above' ? 'form_sublabel_above' : 'form_sublabel_below';
$form_string .= "<ul id='gform_fields_{$form_id}' class='" . GFCommon::get_ul_classes( $form ) . "'>";
if ( is_array( $form['fields'] ) ) {
foreach ( $form['fields'] as $field ) {
/* @var GF_Field $field */
$field->conditionalLogicFields = self::get_conditional_logic_fields( $form, $field->id );
if ( is_array( $submitted_values ) ) {
$field_value = rgar( $submitted_values, $field->id );
} else {
$field_value = GFFormsModel::get_field_value( $field, $field_values );
}
$form_string .= self::get_field( $field, $field_value, false, $form, $field_values );
}
}
$form_string .= '
</ul>';
if ( $has_pages ) {
$previous_button_alt = rgempty( 'imageAlt', $form['lastPageButton'] ) ? __( 'Previous Page', 'gravityforms' ) : $form['lastPageButton']['imageAlt'];
$previous_button = self::get_form_button( $form['id'], "gform_previous_button_{$form['id']}", $form['lastPageButton'], __( 'Previous', 'gravityforms' ), 'gform_previous_button', $previous_button_alt, self::get_current_page( $form_id ) - 1 );
/**
* Filter through the form previous button when paged
*
* @param int $form_id The Form ID to filter through
* @param string $previous_button The HTML rendered button (rendered with the form ID and the function get_form_button)
* @param array $form The Form object to filter through
*/
$previous_button = gf_apply_filters( array( 'gform_previous_button', $form_id ), $previous_button, $form );
$form_string .= '</div>' . self::gform_footer( $form, 'gform_page_footer ' . $form['labelPlacement'], $ajax, $field_values, $previous_button, $display_title, $display_description, $is_postback ) . '
</div>'; //closes gform_page
}
$form_string .= '</div>'; //closes gform_body
//suppress form footer for multi-page forms (footer will be included on the last page
if ( ! $has_pages ) {
$form_string .= self::gform_footer( $form, 'gform_footer ' . $form['labelPlacement'], $ajax, $field_values, '', $display_title, $display_description, $tabindex );
}
$form_string .= '
</form>
</div>';
if ( $ajax && $is_postback ) {
global $wp_scripts;
$form_string = apply_filters(
'gform_ajax_iframe_content', '<!DOCTYPE html><html><head>' .
"<meta charset='UTF-8' /></head><body class='GF_AJAX_POSTBACK'>" . $form_string . '</body></html>'
);
}
if ( $ajax && ! $is_postback ) {
$spinner_url = gf_apply_filters( array( 'gform_ajax_spinner_url', $form_id ), GFCommon::get_base_url() . '/images/spinner.gif', $form );
$scroll_position = array( 'default' => '', 'confirmation' => '' );
if ( $use_anchor !== false ) {
$scroll_position['default'] = is_numeric( $use_anchor ) ? 'jQuery(document).scrollTop(' . intval( $use_anchor ) . ');' : "jQuery(document).scrollTop(jQuery('#gform_wrapper_{$form_id}').offset().top);";
$scroll_position['confirmation'] = is_numeric( $use_anchor ) ? 'jQuery(document).scrollTop(' . intval( $use_anchor ) . ');' : "jQuery(document).scrollTop(jQuery('#gforms_confirmation_message_{$form_id}').offset().top);";
}
$iframe_style = defined( 'GF_DEBUG' ) && GF_DEBUG ? 'display:block;width:600px;height:300px;border:1px solid #eee;' : 'display:none;width:0px;height:0px;';
$is_html5 = RGFormsModel::is_html5_enabled();
$iframe_title = $is_html5 ? " title='Ajax Frame'" : '';
$form_string .= "
<iframe style='{$iframe_style}' src='about:blank' name='gform_ajax_frame_{$form_id}' id='gform_ajax_frame_{$form_id}'" . $iframe_title . "></iframe>
<script type='text/javascript'>" . apply_filters( 'gform_cdata_open', '' ) . '' .
'jQuery(document).ready(function($){' .
"gformInitSpinner( {$form_id}, '{$spinner_url}' );" .
"jQuery('#gform_ajax_frame_{$form_id}').load( function(){" .
"var contents = jQuery(this).contents().find('*').html();" .
"var is_postback = contents.indexOf('GF_AJAX_POSTBACK') >= 0;" .
'if(!is_postback){return;}' .
"var form_content = jQuery(this).contents().find('#gform_wrapper_{$form_id}');" .
"var is_confirmation = jQuery(this).contents().find('#gform_confirmation_wrapper_{$form_id}').length > 0;" .
"var is_redirect = contents.indexOf('gformRedirect(){') >= 0;" .
'var is_form = form_content.length > 0 && ! is_redirect && ! is_confirmation;' .
'if(is_form){' .
"jQuery('#gform_wrapper_{$form_id}').html(form_content.html());" .
"setTimeout( function() { /* delay the scroll by 50 milliseconds to fix a bug in chrome */ {$scroll_position['default']} }, 50 );" .
"if(window['gformInitDatepicker']) {gformInitDatepicker();}" .
"if(window['gformInitPriceFields']) {gformInitPriceFields();}" .
"var current_page = jQuery('#gform_source_page_number_{$form_id}').val();" .
"gformInitSpinner( {$form_id}, '{$spinner_url}' );" .
"jQuery(document).trigger('gform_page_loaded', [{$form_id}, current_page]);" .
"window['gf_submitting_{$form_id}'] = false;" .
'}' .
'else if(!is_redirect){' .
"var confirmation_content = jQuery(this).contents().find('#gforms_confirmation_message_{$form_id}').html();" .
'if(!confirmation_content){' .
'confirmation_content = contents;' .
'}' .
'setTimeout(function(){' .
"jQuery('#gform_wrapper_{$form_id}').replaceWith('<' + 'div id=\'gforms_confirmation_message_{$form_id}\' class=\'gform_confirmation_message_{$form_id} gforms_confirmation_message\'' + '>' + confirmation_content + '<' + '/div' + '>');" .
"{$scroll_position['confirmation']}" .
"jQuery(document).trigger('gform_confirmation_loaded', [{$form_id}]);" .
"window['gf_submitting_{$form_id}'] = false;" .
'}, 50);' .
'}' .
'else{' .
"jQuery('#gform_{$form_id}').append(contents);" .
"if(window['gformRedirect']) {gformRedirect();}" .
'}' .
"jQuery(document).trigger('gform_post_render', [{$form_id}, current_page]);" .
'} );' .
'} );' . apply_filters( 'gform_cdata_close', '' ) . '</script>';
}
$is_first_load = ! $is_postback;
if ( ( ! $ajax || $is_first_load ) ) {
self::register_form_init_scripts( $form, $field_values, $ajax );
if ( apply_filters( 'gform_init_scripts_footer', false ) ) {
add_action( 'wp_footer', create_function( '', 'GFFormDisplay::footer_init_scripts(' . $form['id'] . ');' ), 20 );
add_action( 'gform_preview_footer', create_function( '', 'GFFormDisplay::footer_init_scripts(' . $form['id'] . ');' ) );
} else {
$form_string .= self::get_form_init_scripts( $form );
$form_string .= "<script type='text/javascript'>" . apply_filters( 'gform_cdata_open', '' ) . " jQuery(document).ready(function(){jQuery(document).trigger('gform_post_render', [{$form_id}, {$current_page}]) } ); " . apply_filters( 'gform_cdata_close', '' ) . '</script>';
}
}
return gf_apply_filters( array( 'gform_get_form_filter', $form_id ), $form_string, $form );
} else {
$progress_confirmation = '';
//check admin setting for whether the progress bar should start at zero
$start_at_zero = rgars( $form, 'pagination/display_progressbar_on_confirmation' );
$start_at_zero = apply_filters( 'gform_progressbar_start_at_zero', $start_at_zero, $form );
//show progress bar on confirmation
if ( $start_at_zero && $has_pages && ! $is_admin && ( $form['confirmation']['type'] == 'message' && $form['pagination']['type'] == 'percentage' ) ) {
$progress_confirmation = self::get_progress_bar( $form, $form_id, $confirmation_message );
if ( $ajax ) {
$progress_confirmation = apply_filters( 'gform_ajax_iframe_content', "<!DOCTYPE html><html><head><meta charset='UTF-8' /></head><body class='GF_AJAX_POSTBACK'>" . $progress_confirmation . '</body></html>' );
}
} else {
//return regular confirmation message
if ( $ajax ) {