AnsPress_Process_Form::edit_question()

	public function edit_question() {
		global $ap_errors, $validate;

		// Return if user do not have permission to edit this question.
		if ( ! ap_user_can_edit_question( $this->fields['edit_post_id'] ) ) {
			return;
		}

		$filter = apply_filters( 'ap_before_updating_question', false, $this->fields['description'] );
		if ( true === $filter || is_array( $filter ) ) {
			if ( is_array( $filter ) ) {
				$this->result = $filter;
			}
			return;
		}

		$post = ap_get_post( $this->fields['edit_post_id'] );
		$user_id = get_current_user_id();

		$question_array = array(
			'ID'				=> $post->ID,
			'post_title'		=> $this->fields['title'],
			'post_content' 		=> $this->fields['description'],
			'attach_uploads' 	=> true,
			'post_author' 		=> $post->post_author,
		);

		$question_array['post_status'] = ap_new_edit_post_status( $user_id, 'question', true );

		if ( isset( $this->fields['is_private'] ) && $this->fields['is_private'] ) {
			$question_array['is_private'] = true;
		}

		// Check if anonymous post and have name.
		if ( ! is_user_logged_in() && ap_opt( 'allow_anonymous' ) && ! empty( $this->fields['anonymous_name'] ) ) {
			$question_array['anonymous_name'] = $this->fields['anonymous_name'];
		}

		$post_id = ap_save_question( $question_array );

		if ( $post_id ) {
			ap_clear_unattached_media();
			$this->redirect = get_permalink( $post_id );

			// Trigger update hook.
			ap_trigger_qa_update_hook( $post_id, 'edited' );

			ap_ajax_json( array(
				'success' => true,
				'action' 		=> 'edited_question',
				'redirect' => get_permalink( $post_id ),
				'snackbar' => [
					'message' => __( 'Question updated successfully', 'anspress-question-answer' ),
				],
			) );
		}
	}