Upload::prepare()

	protected function prepare() {
		$this->args = wp_parse_args(
			$this->args,
			array(
				'label'          => __( 'AnsPress Upload Field', 'anspress-question-answer' ),
				'upload_options' => array(),
				'browse_label'   => __( 'Select file(s) to upload', 'anspress-question-answer' ),
			)
		);

		$this->args['upload_options'] = wp_parse_args(
			$this->args['upload_options'],
			array(
				'allowed_mimes'   => ap_allowed_mimes(),
				'max_files'       => 1,
				'multiple'        => false,
				'label_deny_type' => __( 'This file type is not allowed to upload.', 'anspress-question-answer' ),
				'async_upload'    => false,
			)
		);

		if ( ! isset( $this->args['upload_options']['label_max_added'] ) ) {
			$this->args['upload_options']['label_max_added'] = sprintf(
				// Translators: %d contains maximum files allowed to upload.
				__( 'You cannot add more then %d files', 'anspress-question-answer' ),
				$this->args['upload_options']['max_files']
			);
		}

		// Call parent prepare().
		parent::prepare();
	}