how to echo strings and variable simultaneously in laravel blade template engine?

Question

I am using this code inside my PHP file:

layout.blade.php

{{ HTML::script('js/abc.js'); }}

The problem is abc will be different for different pages, so I need to change it to a variable (i.e. $js) to make the value dynamic.

Currently I am using:

{{ HTML::script('js/'.$js.'.min.js') }} to achieve this.

I was wondering whether this is the regular way to do this? Or is there any better way?

And I tried to use {{ HTML::script('js/'.$js.'.min.js') or ''}} to check the existence of $js, but it's not working. Is @if (isset($js)) my only solution?

Thanks.

how is $js set? do you scan directories for this? or just simple string assignment? — user1978142
– user1978142, Commented Apr 29, 2014 at 4:39
@kevinabelita using with method in routes.php i.e. ->with('js', 'index') — Harrison
– Harrison, Commented Apr 29, 2014 at 4:52

Tim Groeneveld · Accepted Answer · 2014-04-29 07:00:17Z

1

The way that you are using HTML::script is not horrible, and it is an acceptable way of getting the job done!

I would however recommend using a Form macro, if for any other reason then it just looks nicer when reading the template, as I try to avoid using as little PHP as possible in my views.

Inside your app/start.php file, enter something like this:

 Form::macro('javascript_file', function($js = null) {
    if ($js === null) return;

    return HTML::script( 'js/'.$js.'.min.js');
 }

Then inside your templates you can just go:

@if isset($js)
{{ Form::javascript_file($js); }}
@endif

Sadly there is no way to check if $js is set before calling javascript_file without it looking more ugly...

answered Apr 29, 2014 at 7:00

Tim Groeneveld

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