How to comment code in blades like laravel 4?

问题

I have migrated my app from laravel 4.2 to laravel 5

I am currently having this problem, when even I have old comments like this:

{{--{{link_to_route('language.select', 'English', array('en'))}}--}}

Will result into error at laravel 5, I will have this error:

FatalErrorException in 18b6386ebc018eb0c0e76f105eba4286 line 263:
syntax error, unexpected '{'

which is compiled into:

 <?php echo --{{link_to_route('language.select', 'English', array('en')); ?>--}}

I already added laravel 4 backward comparability support at register@ServiceProvider as:

\Blade::setRawTags('{{', '}}');
\Blade::setContentTags('{{{', '}}}');
\Blade::setEscapedContentTags('{{{', '}}}');

but how can I add laravel 4 backward comparability for comments {{-- --}} ?

edit:

how to comment this in laravel 5:

<li {{ (Request::is('/') ? ' class="active"' : '') }}><a href="{{{ URL::to('') }}}">{{trans('messages.Home')}}</a></li>

回答1:

Since you change your content tags from {{ to {{{ comment tags are now {{{-- not {{--

回答2:

From lavarel 5 doc

Note: Be very careful when echoing content that is supplied by users of your application. Always use the double curly brace syntax to escape any HTML entities in the content.

{{-- This comment will not be in the rendered HTML --}}

So I think this should works :

<li {{-- (Request::is('/') ? ' class="active"' : '') --}}>
     <a href="{{-- URL::to('') --}}">{{--trans('messages.Home')--}}</a>
</li>

And to comment the whole HTML add :

{{{-- HTML --}}}

回答3:

In general the comment syntax has not changed in Laravel 5, however...

The characters for comments are derived by the content tags. Since you set them to {{{ and }}} with Blade::setContentTags('{{{', '}}}'); you have to use them now for your comments as well:

{{{-- {{link_to_route('language.select', 'English', array('en'))}} --}}}

来源：https://stackoverflow.com/questions/30217795/how-to-comment-code-in-blades-like-laravel-4