Validate::file_have_error( object $field )

	private static function file_have_error( $field ) {
		$args  = $field->get( 'upload_options' );
		$value = $field->value();

		$errors = array(
			0 => __( 'There is no error, the file uploaded with success', 'anspress-question-answer' ),
			1 => __( 'The uploaded file exceeds the upload_max_filesize directive in php.ini', 'anspress-question-answer' ),
			2 => __( 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form', 'anspress-question-answer' ),
			3 => __( 'The uploaded file was only partially uploaded', 'anspress-question-answer' ),
			4 => __( 'No file was uploaded', 'anspress-question-answer' ),
			6 => __( 'Missing a temporary folder', 'anspress-question-answer' ),
			7 => __( 'Failed to write file to disk.', 'anspress-question-answer' ),
			8 => __( 'A PHP extension stopped the file upload.', 'anspress-question-answer' ),
		);

		$have_error = false;

		if ( true === $args['multiple'] && wp_is_numeric_array( $value ) ) {
			foreach ( $value as $key => $file ) {
				if ( 0 !== $file['error'] ) {
					$have_error = $errors[ $file['error'] ];
				}
			}
		} else {
			if ( 0 !== $value['error'] ) {
				$have_error = $errors[ $value['error'] ];
			}
		}

		return $have_error;
	}