src/AbstractFontAwesome.php
protected function normalizeIconClass( $icon_class ) {
		$icon_class = trim( $icon_class );

		if ( stripos( $icon_class, 'fa-' ) === false ) {
			$icon_class = 'fa-' . $icon_class;
		}

		return $icon_class;
	}
protected function normalizeIconClass( $icon_class ) {
		$icon_class = trim( $icon_class );

		if ( stripos( $icon_class, 'fa-' ) === false ) {
			$icon_class = 'fa-' . $icon_class;
		}

		return $icon_class;
	}
protected function normalizeIconClass ( $ icon_class ) { $ icon_class = trim ( $ icon_class ) ; if ( stripos ( $ icon_class , 'fa-' ) === false ) { $ icon_class = 'fa-' . $ icon_class ; } return $ icon_class ; }
Make sure to have a class that starts with `fa-`.

@param string $icon_class

@return string
Make sure to have a class that starts with fa - .