ACF Frontend Form Change Locale

add_shortcode('register', function () {
  
  	if(!function_exists("pll_current_language"))
		return;
	  
	  if(pll_current_language() == "pt") {
		$post = get_post(493);
		$register_form_id = "tickets_pt";
	  } else {
		$post = get_post(495);
		$register_form_id = "tickets_en";
	  }
	  $post_title = $post->post_title;
	  $post_content = do_shortcode($post->post_content);	  

  	ob_start();

	echo '<div class="ui container" id="' . pll__("Register") . '">
	<div class="ui basic center aligned section segment" id="' . pll__("Register") . '">
		<div class="ui text">
			<h1>' . pll__("Page Tickets") . '</h1>
		</div>
	</div>
	<div class="ui basic segment" id="register-inner">
		<div class="ui two column stackable doubling grid">
			<div class="column">
				<h2>' . $post_title . '</h2>
				<p>' . $post_content . '</p>
			</div>
			<div class="column">
					<h2>' . pll__("Registration") . '</h2>';
  
					acf_form(array(
							'id' => $register_form_id,
							'post_id'		=> 'new_post',
							'new_post'		=> array(
								'post_type'		=> 'ticket',
								'post_status'	=> 'publish'
							),
							'field_groups' => false,
							'fields' => false,
							'post_title'	=> false,
							'post_content'	=> false,
							'form' => true,
							'form_attributes' => array(
								'class' => 'ui form'
							),
							'return' => pll__("Register Backlink"),
							'html_before_fields' => '<input type="hidden" name="post_type" value="register">',
							'html_after_fields' => '',
							'submit_value' => pll__("Register"),
							'updated_message' =>  pll__("Registered"),
							'label_placement' => 'top',
							'instruction_placement' => 'field',
							'field_el' => 'div',
							'uploader' => 'wp'
						));
  
				echo'</div>
			</div>
		</div>
	</div>';

	$out = ob_get_contents();
	ob_end_clean();

  	return $out;
});