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/home/tahkoom/public_html/wp-content/plugins/ninja-forms/includes/AJAX/Controllers/Submission.php
<?php if ( ! defined( 'ABSPATH' ) ) exit;
class NF_AJAX_Controllers_Submission extends NF_Abstracts_Controller
{
protected $_form_data = array();
protected $_form_cache = array();
protected $_preview_data = array();
protected $_form_id = '';
public function __construct()
{
if( isset( $_POST[ 'nf_resume' ] ) && isset( $_COOKIE[ 'nf_wp_session' ] ) ){
add_action( 'init', array( $this, 'resume' ) );
return;
}
if( isset( $_POST['formData'] ) ) {
$this->_form_data = json_decode( $_POST['formData'], TRUE );
// php5.2 fallback
if( ! $this->_form_data ) $this->_form_data = json_decode( stripslashes( $_POST['formData'] ), TRUE );
}
// Ajax calls here are both handled by 'submit' in this file
add_action( 'wp_ajax_nf_ajax_submit', array( $this, 'submit' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_submit', array( $this, 'submit' ) );
/**
* Ajax calls here are handled by 'resume' in this file. These calls
* are normally made by the application when returning from 'PayPal' or
* 'Stripe'.
*/
add_action( 'wp_ajax_nf_ajax_resume', array( $this, 'resume' ) );
add_action( 'wp_ajax_nopriv_nf_ajax_resume', array( $this, 'resume' ) );
}
public function submit()
{
$nonce_name = 'ninja_forms_display_nonce';
/**
* We've got to get the 'nonce_ts' to append to the nonce name to get
* the unique nonce we created
* */
if( isset( $_REQUEST[ 'nonce_ts' ] ) && 0 < strlen( $_REQUEST[ 'nonce_ts' ] ) ) {
$nonce_name = $nonce_name . "_" . $_REQUEST[ 'nonce_ts' ];
}
$check_ajax_referer = check_ajax_referer( $nonce_name, 'security', $die = false );
if(!$check_ajax_referer){
/**
* "Just in Time Nonce".
* If the nonce fails, then send back a new nonce for the form to resubmit.
* This supports the edge-case of 11:59:59 form submissions, while avoiding the form load nonce request.
*/
$current_time_stamp = time();
$new_nonce_name = 'ninja_forms_display_nonce_' . $current_time_stamp;
$this->_errors['nonce'] = array(
'new_nonce' => wp_create_nonce( $new_nonce_name ),
'nonce_ts' => $current_time_stamp
);
$this->_respond();
}
register_shutdown_function( array( $this, 'shutdown' ) );
$this->form_data_check();
$this->_form_id = $this->_form_data['id'];
/* Render Instance Fix */
if(strpos($this->_form_id, '_')){
$this->_form_instance_id = $this->_form_id;
list($this->_form_id, $this->_instance_id) = explode('_', $this->_form_id);
$updated_fields = array();
foreach($this->_form_data['fields'] as $field_id => $field ){
list($field_id) = explode('_', $field_id);
list($field['id']) = explode('_', $field['id']);
$updated_fields[$field_id] = $field;
}
$this->_form_data['fields'] = $updated_fields;
}
/* END Render Instance Fix */
// If we don't have a numeric form ID...
if ( ! is_numeric( $this->_form_id ) ) {
// Kick the request out without processing.
$this->_errors[] = esc_html__( 'Form does not exist.', 'ninja-forms' );
$this->_respond();
}
// Check to see if our form is maintenance mode.
$is_maintenance = WPN_Helper::form_in_maintenance( $this->_form_id );
/*
* If our form is in maintenance mode then, stop processing and throw an error with a link
* back to the form.
*/
if ( $is_maintenance ) {
$message = sprintf(
esc_html__( 'This form is currently undergoing maintenance. Please %sclick here%s to reload the form and try again.', 'ninja-forms' )
,'<a href="' . esc_html($_SERVER[ 'HTTP_REFERER' ]) . '">', '</a>'
);
$this->_errors[ 'form' ][] = apply_filters( 'nf_maintenance_message', $message ) ;
$this->_respond();
}
if( $this->is_preview() ) {
$this->_form_cache = get_user_option( 'nf_form_preview_' . $this->_form_id );
if( ! $this->_form_cache ){
$this->_errors[ 'preview' ] = esc_html__( 'Preview does not exist.', 'ninja-forms' );
$this->_respond();
}
} else {
if( WPN_Helper::use_cache() ) {
$this->_form_cache = WPN_Helper::get_nf_cache( $this->_form_id );
}
}
// Add Field Keys to _form_data
if(! $this->is_preview()){
// Make sure we don't have any field ID mismatches.
foreach( $this->_form_data[ 'fields' ] as $id => $settings ){
if( $id != $settings[ 'id' ] ){
$this->_errors[ 'fields' ][ $id ] = esc_html__( 'The submitted data is invalid.', 'ninja-forms' );
$this->_respond();
}
}
$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();
foreach ($form_fields as $id => $field) {
$this->_form_data['fields'][$id]['key'] = $field->get_setting('key');
}
}
// TODO: Update Conditional Logic to preserve field ID => [ Settings, ID ] structure.
$this->_form_data = apply_filters( 'ninja_forms_submit_data', $this->_form_data );
$this->process();
}
public function resume()
{
$this->_form_data = Ninja_Forms()->session()->get( 'nf_processing_form_data' );
$this->_form_cache = Ninja_Forms()->session()->get( 'nf_processing_form_cache' );
$this->_data = Ninja_Forms()->session()->get( 'nf_processing_data' );
$this->_data[ 'resume' ] = WPN_Helper::sanitize_text_field($_POST[ 'nf_resume' ]);
$this->_form_id = $this->_data[ 'form_id' ];
unset( $this->_data[ 'halt' ] );
unset( $this->_data[ 'actions' ][ 'redirect' ] );
$this->process();
}
protected function process()
{
// Init Field Merge Tags.
$field_merge_tags = Ninja_Forms()->merge_tags[ 'fields' ];
$field_merge_tags->set_form_id( $this->_form_id );
// Init Calc Merge Tags.
$calcs_merge_tags = Ninja_Forms()->merge_tags[ 'calcs' ];
if(isset($this->_form_cache[ 'settings' ] ) ) {
$form_settings = $this->_form_cache[ 'settings' ];
} else {
$form_settings = false;
}
if( ! $form_settings ){
$form = Ninja_Forms()->form( $this->_form_id )->get();
$form_settings = $form->get_settings();
}
// Init Form Merge Tags.
$form_merge_tags = Ninja_Forms()->merge_tags[ 'form' ];
$form_merge_tags->set_form_id( $this->_form_id );
$form_merge_tags->set_form_title( $form_settings['title'] );
$this->_data[ 'form_id' ] = $this->_form_data[ 'form_id' ] = $this->_form_id;
$this->_data[ 'settings' ] = $form_settings;
$this->_data[ 'settings' ][ 'is_preview' ] = $this->is_preview();
$this->maybePreserveExtraData();
$this->_data[ 'extra' ] = $this->_form_data[ 'extra' ];
/*
|--------------------------------------------------------------------------
| Fields
|--------------------------------------------------------------------------
*/
if( $this->is_preview() ){
$form_fields = $this->_form_cache[ 'fields' ];
} else {
$form_fields = Ninja_Forms()->form($this->_form_id)->get_fields();
}
/**
* The Field Processing Loop.
*
* There can only be one!
* For performance reasons, this should be the only time that the fields array is traversed.
* Anything needing to loop through fields should integrate here.
*/
$validate_fields = apply_filters( 'ninja_forms_validate_fields', true, $this->_data );
foreach( $form_fields as $key => $field ){
if( is_object( $field ) ) {
//Process Merge tags on Repeater fields values
if( $field->get_setting('type' )=== "repeater" ){
$this->process_repeater_fields_merge_tags( $field );
}
$field = array(
'id' => $field->get_id(),
'settings' => $field->get_settings()
);
}
/** Get the field ID */
/*
* TODO: Refactor data structures to match.
* Preview: Field IDs are stored as the associated array key.
* Publish: Field IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$field[ 'id' ] = $key;
}
// Duplicate field ID as single variable for more readable array access.
$field_id = $field[ 'id' ];
// Check that the field ID exists in the submitted for data and has a submitted value.
if( isset( $this->_form_data[ 'fields' ][ $field_id ] ) && isset( $this->_form_data[ 'fields' ][ $field_id ][ 'value' ] ) ){
$field[ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
} else {
$field[ 'value' ] = '';
}
// Duplicate field value to settings and top level array item for backwards compatible access (ie Save Action).
$field[ 'settings' ][ 'value' ] = $field[ 'value' ];
// Duplicate field value to form cache for passing to the action filter.
$this->_form_cache[ 'fields' ][ $key ][ 'settings' ][ 'value' ] = $this->_form_data[ 'fields' ][ $field_id ][ 'value' ];
// Duplicate the Field ID for access as a setting.
$field[ 'settings' ][ 'id' ] = $field[ 'id' ];
// Combine with submitted data.
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Flatten the field array.
$field = array_merge( $field, $field[ 'settings' ] );
/** Prepare Fields in repeater for Validation and Process */
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field_value ){
foreach( $field['fields'] as $i => $child_field ) {
if(strpos($index, $child_field['id']) !== false){
$field['value'][$index] = array_merge($child_field, $child_field_value);
}
}
}
}
/** Validate the Field */
if( $validate_fields && ! isset( $this->_data[ 'resume' ] ) ){
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field ){
$this->validate_field( $field["value"][$index] );
}
} else {
$this->validate_field( $field );
}
}
/** Process the Field */
if( ! isset( $this->_data[ 'resume' ] ) ) {
if( $field["type"] === "repeater" ){
foreach( $field["value"] as $index => $child_field ){
$this->process_field( $field["value"][$index] );
}
} else {
$this->process_field($field);
}
}
$field = array_merge( $field, $this->_form_data[ 'fields' ][ $field_id ] );
// Check for field errors after processing.
if ( isset( $this->_form_data['errors']['fields'][ $field_id ] ) ) {
$this->_errors['fields'][ $field_id ] = $this->_form_data['errors']['fields'][ $field_id ];
$this->_respond();
}
/** Populate Field Merge Tag */
$field_merge_tags->add_field( $field );
$this->_data[ 'fields' ][ $field_id ] = $field;
$this->_data[ 'fields_by_key' ][ $field[ 'key' ] ] = $field;
}
/*
|--------------------------------------------------------------------------
| Check for unique field settings.
|--------------------------------------------------------------------------
*/
if ( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){
// On Resume Submission, we don't need to run this check again.
// This section intentionally left blank.
} elseif ( isset ( $this->_data[ 'settings' ][ 'unique_field' ] ) && ! empty( $this->_data[ 'settings' ][ 'unique_field' ] ) ) {
/*
* Get our unique field
*/
$unique_field_key = $this->_data[ 'settings' ][ 'unique_field' ];
$unique_field_error = $this->_data[ 'settings' ][ 'unique_field_error' ];
$unique_field_id = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'id' ];
$unique_field_value = $this->_data[ 'fields_by_key' ][ $unique_field_key ][ 'value' ];
if ( is_array( $unique_field_value ) ) {
$unique_field_value = serialize( $unique_field_value );
}
if ( ! empty($unique_field_value) ) {
/*
* Check our db for the value submitted.
*/
global $wpdb;
// @TODO: Rewrite this to use our submissions API.
$sql = $wpdb->prepare( "SELECT COUNT(m.meta_id) FROM `" . $wpdb->prefix . "postmeta` AS m LEFT JOIN `" . $wpdb->prefix . "posts` AS p ON p.id = m.post_id WHERE m.meta_key = '_field_%d' AND m.meta_value = '%s' AND p.post_status = 'publish'", $unique_field_id, $unique_field_value );
$result = $wpdb->get_results( $sql, 'ARRAY_N' );
if ( intval( $result[ 0 ][ 0 ] ) > 0 ) {
$this->_errors['fields'][ $unique_field_id ] = array( 'slug' => 'unique_field', 'message' => $unique_field_error );
$this->_respond();
}
}
}
/*
|--------------------------------------------------------------------------
| Verify the submission limit.
|--------------------------------------------------------------------------
*/
if ( isset( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) && ! empty( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {
global $wpdb;
$result = $wpdb->get_row( "SELECT COUNT(DISTINCT(p.ID)) AS count FROM `$wpdb->posts` AS p
LEFT JOIN `$wpdb->postmeta` AS m
ON p.ID = m.post_id
WHERE m.meta_key = '_form_id'
AND m.meta_value = $this->_form_id
AND p.post_status = 'publish'");
if ( intval( $result->count ) >= intval( $this->_data[ 'settings' ][ 'sub_limit_number' ] ) ) {
$this->_errors[ 'form' ][] = $this->_data[ 'settings' ][ 'sub_limit_msg' ];
$this->_respond();
}
}
/*
|--------------------------------------------------------------------------
| Calculations
|--------------------------------------------------------------------------
*/
/**
* We shouldn't have anything in here before processing.
* So, clear out the trash.
*/
if( isset( $this->_data['extra']['calculations'] ) ) {
unset( $this->_data['extra']['calculations']);
unset( $this->_form_data['extra']['calculations']);
}
if( isset( $this->_form_cache[ 'settings' ][ 'calculations' ] ) ) {
/**
* The Calculation Processing Loop
*/
foreach( $this->_form_cache[ 'settings' ][ 'calculations' ] as $calc ){
$eq = apply_filters( 'ninja_forms_calc_setting', $calc[ 'eq' ] );
// Scrub unmerged tags (ie deleted/non-existent fields/calcs, etc).
$eq = preg_replace( '/{([a-zA-Z0-9]|:|_|-)*}/', 0, $eq);
/**
* PHP doesn't evaluate empty strings to numbers. So check
* for any string for the decimal place
**/
$dec = ( isset( $calc[ 'dec' ] ) && '' != $calc[ 'dec' ] ) ?
$calc[ 'dec' ] : 2;
$calcs_merge_tags->set_merge_tags( $calc[ 'name' ], $eq, $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] );
$this->_data[ 'extra' ][ 'calculations' ][ $calc[ 'name' ] ] = array(
'raw' => $calc[ 'eq' ],
'parsed' => $eq,
'value' => $calcs_merge_tags->get_formatted_calc_value( $calc[ 'name' ], $dec, $this->_form_data['settings']['decimal_point'], $this->_form_data['settings']['thousands_sep'] ),
);
}
}
/*
|--------------------------------------------------------------------------
| Actions
|--------------------------------------------------------------------------
*/
/*
* TODO: This section has become convoluted, but will be refactored along with the submission controller.
*/
if( isset( $this->_data[ 'resume' ] ) && $this->_data[ 'resume' ] ){
// On Resume Submission, the action data is loaded form the session.
// This section intentionally left blank.
} elseif( ! $this->is_preview() ) {
// Published forms rely on the Database for the "truth" about Actions.
$actions = Ninja_Forms()->form($this->_form_id)->get_actions();
$this->_form_cache[ 'actions' ] = array();
foreach( $actions as $action ){
$action_id = $action->get_id();
$this->_form_cache[ 'actions' ][ $action_id ] = array(
'id' => $action_id,
'settings' => $action->get_settings()
);
}
} else {
// Previews uses user option for stored data.
$preview_data = get_user_option( 'nf_form_preview_' . $this->_form_id );
$this->_form_cache[ 'actions' ] = $preview_data[ 'actions' ];
}
/* END form cache bypass. */
// Sort Actions by Timing Order, then by Priority Order.
usort( $this->_form_cache[ 'actions' ], array( $this, 'sort_form_actions' ) );
/*
* Filter Actions so that they can be pragmatically disabled by add-ons.
*
* ninja_forms_submission_actions
* ninja_forms_submission_actions_preview
*/
$this->_form_cache[ 'actions' ] = apply_filters( 'ninja_forms_submission_actions', $this->_form_cache[ 'actions' ], $this->_form_cache, $this->_form_data );
if( $this->is_preview() ) {
$this->_form_cache['actions'] = apply_filters('ninja_forms_submission_actions_preview', $this->_form_cache['actions'], $this->_form_cache);
}
// Initialize the process actions log.
if( ! isset( $this->_data[ 'processed_actions' ] ) ) $this->_data[ 'processed_actions' ] = array();
/*
* Merging extra data that may have been added by fields during processing so that the values aren't lost when we enter the action loop.
*/
$this->_data[ 'extra' ] = array_merge( $this->_data[ 'extra' ], $this->_form_data[ 'extra' ] );
/**
* The Action Processing Loop
*/
foreach( $this->_form_cache[ 'actions' ] as $key => $action ){
/** Get the action ID */
/*
* TODO: Refactor data structures to match.
* Preview: Action IDs are stored as the associated array key.
* Publish: Action IDs are stored as an array key=>value pair.
*/
if( $this->is_preview() ){
$action[ 'id' ] = $key;
}
// Duplicate the Action ID for access as a setting.
$action[ 'settings' ][ 'id' ] = $action[ 'id' ];
// Duplicate action ID as single variable for more readable array access.
$action_id = $action[ 'id' ];
// If an action has already run (ie resume submission), do not re-process.
if( in_array( $action[ 'id' ], $this->_data[ 'processed_actions' ] ) ) continue;
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
if( $this->is_preview() ){
$action[ 'settings' ] = apply_filters( 'ninja_forms_run_action_settings_preview', $action[ 'settings' ], $this->_form_id, $action[ 'id' ], $this->_form_data['settings'] );
}
if( ! $action[ 'settings' ][ 'active' ] ) continue;
if( ! apply_filters( 'ninja_forms_run_action_type_' . $action[ 'settings' ][ 'type' ], TRUE ) ) continue;
$type = $action[ 'settings' ][ 'type' ];
if( ! is_string( $type ) ) continue;
/*
* test if Ninja_Forms()->actions[ $type ] is not empty
*/
if(isset(Ninja_Forms()->actions[ $type ]))
{
$action_class = Ninja_Forms()->actions[ $type ];
if( ! method_exists( $action_class, 'process' ) ) continue;
if( $data = $action_class->process($action[ 'settings' ], $this->_form_id, $this->_data ) )
{
$this->_data = apply_filters( 'ninja_forms_post_run_action_type_' . $action[ 'settings' ][ 'type' ], $data );
}
}
// $this->_data[ 'actions' ][ $type ][] = $action;
$this->maybe_halt( $action[ 'id' ] );
}
do_action( 'ninja_forms_after_submission', $this->_data );
$this->_respond();
}
/**
* Upon request, preserve a resumed action's extra data from before halt
*
* @return void
*/
private function maybePreserveExtraData(): void
{
if (
isset($this->_data['resume']) &&
isset($this->_data['resume']['preserve_extra_data'])
) {
$preservedKey = $this->_data['resume']['preserve_extra_data'];
if (isset($this->_data['extra'][$preservedKey])) {
$this->_form_data['extra'][$preservedKey] = $this->_data['extra'][$preservedKey];
}
}
}
protected function validate_field( $field_settings )
{
$field_settings = apply_filters( 'ninja_forms_pre_validate_field_settings', $field_settings );
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
// if field_class is neither object nor string return before method_exists call
if(!is_object($field_class) && !is_string($field_class)){
return;
}
if( ! method_exists( $field_class, 'validate' ) ) return;
if( $errors = $field_class->validate( $field_settings, $this->_form_data ) ){
$field_id = $field_settings[ 'id' ];
$this->_errors[ 'fields' ][ $field_id ] = $errors;
$this->_respond();
}
}
protected function process_field( $field_settings )
{
if( ! is_string( $field_settings['type'] ) ) return;
$field_class = Ninja_Forms()->fields[ $field_settings['type'] ];
// If $field_class is not object or string, return w/o checking for method_exists
if(!is_object($field_class) && !is_string($field_class)){
return;
}
if( ! method_exists( $field_class, 'process' ) ) return;
if( $data = $field_class->process( $field_settings, $this->_form_data ) ){
$this->_form_data = $data;
}
}
protected function maybe_halt( $action_id )
{
if( isset( $this->_data[ 'errors' ] ) && $this->_data[ 'errors' ] ){
$this->_respond();
}
if( isset( $this->_data[ 'halt' ] ) && $this->_data[ 'halt' ] ){
Ninja_Forms()->session()->set( 'nf_processing_data', $this->_data );
Ninja_Forms()->session()->set( 'nf_processing_form_data', $this->_form_data );
Ninja_Forms()->session()->set( 'nf_processing_form_cache', $this->_form_cache );
$this->_respond();
}
array_push( $this->_data[ 'processed_actions' ], $action_id );
}
protected function sort_form_actions( $a, $b )
{
if( is_object( $a ) ) {
if( ! isset( Ninja_Forms()->actions[ $a->get_setting( 'type' ) ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ] ) ) return -1;
$a = Ninja_Forms()->actions[ $a[ 'settings' ][ 'type' ] ];
}
if( is_object( $b ) ) {
if( ! isset( Ninja_Forms()->actions[ $b->get_setting( 'type' ) ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b->get_setting( 'type' ) ];
} else {
if( ! isset( Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ] ) ) return 1;
$b = Ninja_Forms()->actions[ $b[ 'settings' ][ 'type' ] ];
}
if ( $a->get_timing() == $b->get_timing() ) {
if ( $a->get_priority() == $b->get_priority() ) {
return 0;
}
return ( $a->get_priority() < $b->get_priority() ) ? -1 : 1;
}
return ( $a->get_timing() < $b->get_timing() ) ? -1 : 1;
}
public function shutdown()
{
$error = error_get_last();
if( $error !== NULL && in_array( $error[ 'type' ], array( E_ERROR, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR ) ) ) {
$this->_errors[ 'form' ][ 'last' ] = esc_html__( 'The server encountered an error during processing.', 'ninja-forms' );
if( current_user_can( 'manage_options' ) && isset( $error[ 'message' ] ) ){
$this->_errors[ 'form' ][ 'last_admin' ] = '<pre>' . $error[ 'message' ] . '</pre>';
}
$this->_errors[ 'last' ] = $error;
Ninja_Forms()->logger()->emergency( $error[ 'message' ] );
$this->_respond();
}
}
protected function form_data_check()
{
if( $this->_form_data ) return;
if( function_exists( 'json_last_error' ) // Function not supported in php5.2
&& function_exists( 'json_last_error_msg' )// Function not supported in php5.4
&& json_last_error() ){
$this->_errors[] = json_last_error_msg();
} else {
$this->_errors[] = esc_html__( 'An unexpected error occurred.', 'ninja-forms' );
}
$this->_respond();
}
protected function is_preview()
{
if( ! isset( $this->_form_data[ 'settings' ][ 'is_preview' ] ) ) return false;
return $this->_form_data[ 'settings' ][ 'is_preview' ];
}
/*
* Overwrite method for parent class.
*/
protected function _respond( $data = array() )
{
// Restore form instance ID.
if(property_exists($this, '_form_instance_id')
&& $this->_form_instance_id){
$this->_data[ 'form_id' ] = $this->_form_instance_id;
// Maybe update IDs for field errors, if there are field errors.
if(isset($this->_errors['fields']) && $this->_errors['fields']){
$field_errors = array();
foreach($this->_errors['fields'] as $field_id => $error){
$field_errors[$field_id . '_' . $this->_instance_id] = $error;
}
$this->_errors['fields'] = $field_errors;
}
}
// Set a content type of JSON for the purpose of previnting XSS attacks.
header( 'Content-Type: application/json' );
// Call the parent method.
parent::_respond();
}
/**
* Process fields merge tags for fields inside a repeater fieldset
*
* @param object $field The Repeater Fieldset
*
*/
protected function process_repeater_fields_merge_tags( $field ){
//Compare the Repeater field passed calling the function with the array of fields values from the submission object
foreach( $this->_form_data['fields'][$field->get_id()]['value'] as $id => $data ){
//Check if field is a Repeater Field
if( Ninja_Forms()->fieldsetRepeater->isRepeaterFieldByFieldReference($id) && !empty($data['value']) && is_string($data['value']) ) {
//Merge tags in the Repeater Field Sub Fields values
$this->_form_data['fields'][$field->get_id()]['value'][$id]['value'] = apply_filters( 'ninja_forms_merge_tags', $data['value'] );
}
}
}
}
رواية “موسم صيد الغزلان “أدب يقرأ الغد: فكيف توقّعت رواية مراد تقنيات اليوم؟ – tahkoom.com
كتبت: فرح سمير
في عام 2017، أصدر الكاتب المصري أحمد مراد روايته “موسم صيد الغزلان”، التي جاءت خارج المألوف في السرد العربي، واصطحبت القارئ في رحلة إلى مستقبل تحكمه التكنولوجيا، وتختفي فيه ملامح الحياة التقليدية. رواية استباقية طرحت أسئلة علمية وفلسفية بلغة أدبية مشوقة، وتنبأت بواقع نبدأ اليوم في ملامسته.
في الرواية، نتتبع رحلة “نديم”، أستاذ بيولوجيا شاب يؤمن بالعلم المطلق وينكر الأديان، يلتقي بـ”تُقى”، فتاة تنتمي إلى جماعة سرّية ما زالت تؤمن بالروحانيات والإيمان. ينطلق الصراع بين العقل والإيمان في قالب حواري وفلسفي داخل عالم مستقبلي متطور تقنيًا، تُستخدم فيه تقنيات زرع الذاكرة، والعلاج بالروبوت، والتعليم بالنقل العصبي. وبين أسئلة الإيمان، والحب، والمعرفة، يكشف مراد عالماً يُخضع الإنسان للآلة ويطرح تساؤلات وجودية عميقة عن المستقبل ومعنى الحياة.
مراد لم يكتب من فراغ، بل بنى روايته على بحث علمي مكثف. وقال مراد في أحد تصريحاته:
ما كتبه أحمد مراد عن أدوات الاتصال الذكية، التعليم القائم على زراعة المعرفة في الدماغ، والطب القادر على استبدال أعضاء الإنسان بالكامل، لم يعد ضرباً من الخيال. فالواقع الافتراضي والمعزز، والهولوجرام، والروبوتات الجراحية، وواجهات زرع المعلومات في الدماغ مثل Neuralink، كلها تقنيات بدأت تظهر في حياتنا المعاصرة. حتى التقدم في مجالات تعديل الأجنة وزراعة الأعضاء الصناعية الذكية أصبح اليوم محط نقاش وتجربة.
ورغم سيطرة الخط التكنولوجي، لم تغب الكوارث البيئية عن الرواية. فقد أشار مراد إلى جفاف نهر النيل، وغرق مناطق الدلتا والإسكندرية بسبب ذوبان الجليد القطبي. وهي مشاهد روائية تنسجم بشكل مقلق مع التحذيرات العلمية الراهنة من آثار تغيّر المناخ على المدن الساحلية.
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